| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2021 Rockchip Electronics Co., Ltd |
| * Author: Elaine Zhang <zhangqing@rock-chips.com> |
| */ |
| |
| #include <bitfield.h> |
| #include <clk-uclass.h> |
| #include <dm.h> |
| #include <errno.h> |
| #include <syscon.h> |
| #include <asm/arch-rockchip/cru_rk3568.h> |
| #include <asm/arch-rockchip/clock.h> |
| #include <asm/arch-rockchip/hardware.h> |
| #include <dm/device-internal.h> |
| #include <dm/lists.h> |
| #include <dt-bindings/clock/rk3568-cru.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #if CONFIG_IS_ENABLED(OF_PLATDATA) |
| struct rk3568_clk_plat { |
| struct dtd_rockchip_rk3568_cru dtd; |
| }; |
| |
| struct rk3568_pmuclk_plat { |
| struct dtd_rockchip_rk3568_pmucru dtd; |
| }; |
| #endif |
| |
| #define RK3568_CPUCLK_RATE(_rate, _aclk_div, _pclk_div) \ |
| { \ |
| .rate = _rate##U, \ |
| .aclk_div = _aclk_div, \ |
| .pclk_div = _pclk_div, \ |
| } |
| |
| #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1)) |
| |
| static struct rockchip_cpu_rate_table rk3568_cpu_rates[] = { |
| RK3568_CPUCLK_RATE(1416000000, 1, 5), |
| RK3568_CPUCLK_RATE(1296000000, 1, 5), |
| RK3568_CPUCLK_RATE(1200000000, 1, 3), |
| RK3568_CPUCLK_RATE(1104000000, 1, 3), |
| RK3568_CPUCLK_RATE(1008000000, 1, 3), |
| RK3568_CPUCLK_RATE(912000000, 1, 3), |
| RK3568_CPUCLK_RATE(816000000, 1, 3), |
| RK3568_CPUCLK_RATE(600000000, 1, 1), |
| RK3568_CPUCLK_RATE(408000000, 1, 1), |
| { /* sentinel */ }, |
| }; |
| |
| static struct rockchip_pll_rate_table rk3568_pll_rates[] = { |
| /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ |
| RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), |
| RK3036_PLL_RATE(1416000000, 1, 118, 2, 1, 1, 0), |
| RK3036_PLL_RATE(1296000000, 1, 108, 2, 1, 1, 0), |
| RK3036_PLL_RATE(1200000000, 1, 100, 2, 1, 1, 0), |
| RK3036_PLL_RATE(1188000000, 1, 99, 2, 1, 1, 0), |
| RK3036_PLL_RATE(1104000000, 1, 92, 2, 1, 1, 0), |
| RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0), |
| RK3036_PLL_RATE(1000000000, 3, 250, 2, 1, 1, 0), |
| RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0), |
| RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0), |
| RK3036_PLL_RATE(600000000, 1, 100, 4, 1, 1, 0), |
| RK3036_PLL_RATE(594000000, 1, 99, 4, 1, 1, 0), |
| RK3036_PLL_RATE(500000000, 1, 125, 6, 1, 1, 0), |
| RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0), |
| RK3036_PLL_RATE(400000000, 1, 100, 6, 1, 1, 0), |
| RK3036_PLL_RATE(200000000, 1, 100, 6, 2, 1, 0), |
| RK3036_PLL_RATE(100000000, 1, 150, 6, 6, 1, 0), |
| { /* sentinel */ }, |
| }; |
| |
| static struct rockchip_pll_clock rk3568_pll_clks[] = { |
| [APLL] = PLL(pll_rk3328, PLL_APLL, RK3568_PLL_CON(0), |
| RK3568_MODE_CON, 0, 10, 0, rk3568_pll_rates), |
| [DPLL] = PLL(pll_rk3328, PLL_DPLL, RK3568_PLL_CON(8), |
| RK3568_MODE_CON, 2, 10, 0, NULL), |
| [CPLL] = PLL(pll_rk3328, PLL_CPLL, RK3568_PLL_CON(24), |
| RK3568_MODE_CON, 4, 10, 0, rk3568_pll_rates), |
| [GPLL] = PLL(pll_rk3328, PLL_HPLL, RK3568_PLL_CON(16), |
| RK3568_MODE_CON, 6, 10, 0, rk3568_pll_rates), |
| [NPLL] = PLL(pll_rk3328, PLL_NPLL, RK3568_PLL_CON(32), |
| RK3568_MODE_CON, 10, 10, 0, rk3568_pll_rates), |
| [VPLL] = PLL(pll_rk3328, PLL_VPLL, RK3568_PLL_CON(40), |
| RK3568_MODE_CON, 12, 10, 0, rk3568_pll_rates), |
| [PPLL] = PLL(pll_rk3328, PLL_PPLL, RK3568_PMU_PLL_CON(0), |
| RK3568_PMU_MODE, 0, 10, 0, rk3568_pll_rates), |
| [HPLL] = PLL(pll_rk3328, PLL_HPLL, RK3568_PMU_PLL_CON(16), |
| RK3568_PMU_MODE, 2, 10, 0, rk3568_pll_rates), |
| }; |
| |
| #ifndef CONFIG_XPL_BUILD |
| static ulong |
| rk3568_pmu_pll_set_rate(struct rk3568_clk_priv *priv, |
| ulong pll_id, ulong rate) |
| { |
| struct udevice *pmucru_dev; |
| struct rk3568_pmuclk_priv *pmu_priv; |
| int ret; |
| |
| ret = uclass_get_device_by_driver(UCLASS_CLK, |
| DM_DRIVER_GET(rockchip_rk3568_pmucru), |
| &pmucru_dev); |
| if (ret) { |
| printf("%s: could not find pmucru device\n", __func__); |
| return ret; |
| } |
| pmu_priv = dev_get_priv(pmucru_dev); |
| |
| rockchip_pll_set_rate(&rk3568_pll_clks[pll_id], |
| pmu_priv->pmucru, pll_id, rate); |
| |
| return 0; |
| } |
| #endif |
| |
| static ulong rk3568_pmu_pll_get_rate(struct rk3568_clk_priv *priv, |
| ulong pll_id) |
| { |
| struct udevice *pmucru_dev; |
| struct rk3568_pmuclk_priv *pmu_priv; |
| int ret; |
| |
| ret = uclass_get_device_by_driver(UCLASS_CLK, |
| DM_DRIVER_GET(rockchip_rk3568_pmucru), |
| &pmucru_dev); |
| if (ret) { |
| printf("%s: could not find pmucru device\n", __func__); |
| return ret; |
| } |
| pmu_priv = dev_get_priv(pmucru_dev); |
| |
| return rockchip_pll_get_rate(&rk3568_pll_clks[pll_id], |
| pmu_priv->pmucru, pll_id); |
| } |
| |
| /* |
| * |
| * rational_best_approximation(31415, 10000, |
| * (1 << 8) - 1, (1 << 5) - 1, &n, &d); |
| * |
| * you may look at given_numerator as a fixed point number, |
| * with the fractional part size described in given_denominator. |
| * |
| * for theoretical background, see: |
| * http://en.wikipedia.org/wiki/Continued_fraction |
| */ |
| static void rational_best_approximation(unsigned long given_numerator, |
| unsigned long given_denominator, |
| unsigned long max_numerator, |
| unsigned long max_denominator, |
| unsigned long *best_numerator, |
| unsigned long *best_denominator) |
| { |
| unsigned long n, d, n0, d0, n1, d1; |
| |
| n = given_numerator; |
| d = given_denominator; |
| n0 = 0; |
| d1 = 0; |
| n1 = 1; |
| d0 = 1; |
| for (;;) { |
| unsigned long t, a; |
| |
| if (n1 > max_numerator || d1 > max_denominator) { |
| n1 = n0; |
| d1 = d0; |
| break; |
| } |
| if (d == 0) |
| break; |
| t = d; |
| a = n / d; |
| d = n % d; |
| n = t; |
| t = n0 + a * n1; |
| n0 = n1; |
| n1 = t; |
| t = d0 + a * d1; |
| d0 = d1; |
| d1 = t; |
| } |
| *best_numerator = n1; |
| *best_denominator = d1; |
| } |
| |
| static ulong rk3568_rtc32k_get_pmuclk(struct rk3568_pmuclk_priv *priv) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| unsigned long m, n; |
| u32 fracdiv; |
| |
| fracdiv = readl(&pmucru->pmu_clksel_con[1]); |
| m = fracdiv & RTC32K_FRAC_NUMERATOR_MASK; |
| m >>= RTC32K_FRAC_NUMERATOR_SHIFT; |
| n = fracdiv & RTC32K_FRAC_DENOMINATOR_MASK; |
| n >>= RTC32K_FRAC_DENOMINATOR_SHIFT; |
| |
| return OSC_HZ * m / n; |
| } |
| |
| static ulong rk3568_rtc32k_set_pmuclk(struct rk3568_pmuclk_priv *priv, |
| ulong rate) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| unsigned long m, n, val; |
| |
| rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK, |
| RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT); |
| |
| rational_best_approximation(rate, OSC_HZ, |
| GENMASK(16 - 1, 0), |
| GENMASK(16 - 1, 0), |
| &m, &n); |
| val = m << RTC32K_FRAC_NUMERATOR_SHIFT | n; |
| writel(val, &pmucru->pmu_clksel_con[1]); |
| |
| return rk3568_rtc32k_get_pmuclk(priv); |
| } |
| |
| static ulong rk3568_i2c_get_pmuclk(struct rk3568_pmuclk_priv *priv, |
| ulong clk_id) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| u32 div, con; |
| |
| switch (clk_id) { |
| case CLK_I2C0: |
| con = readl(&pmucru->pmu_clksel_con[3]); |
| div = (con & CLK_I2C0_DIV_MASK) >> CLK_I2C0_DIV_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return DIV_TO_RATE(priv->ppll_hz, div); |
| } |
| |
| static ulong rk3568_i2c_set_pmuclk(struct rk3568_pmuclk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| int src_clk_div; |
| |
| src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate); |
| assert(src_clk_div - 1 <= 127); |
| |
| switch (clk_id) { |
| case CLK_I2C0: |
| rk_clrsetreg(&pmucru->pmu_clksel_con[3], CLK_I2C0_DIV_MASK, |
| (src_clk_div - 1) << CLK_I2C0_DIV_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_i2c_get_pmuclk(priv, clk_id); |
| } |
| |
| static ulong rk3568_pwm_get_pmuclk(struct rk3568_pmuclk_priv *priv, |
| ulong clk_id) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| u32 div, sel, con, parent; |
| |
| switch (clk_id) { |
| case CLK_PWM0: |
| con = readl(&pmucru->pmu_clksel_con[6]); |
| sel = (con & CLK_PWM0_SEL_MASK) >> CLK_PWM0_SEL_SHIFT; |
| div = (con & CLK_PWM0_DIV_MASK) >> CLK_PWM0_DIV_SHIFT; |
| if (sel == CLK_PWM0_SEL_XIN24M) |
| parent = OSC_HZ; |
| else |
| parent = priv->ppll_hz; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return DIV_TO_RATE(parent, div); |
| } |
| |
| static ulong rk3568_pwm_set_pmuclk(struct rk3568_pmuclk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| int src_clk_div; |
| |
| switch (clk_id) { |
| case CLK_PWM0: |
| if (rate == OSC_HZ) { |
| rk_clrsetreg(&pmucru->pmu_clksel_con[6], |
| CLK_PWM0_SEL_MASK | CLK_PWM0_DIV_MASK, |
| (CLK_PWM0_SEL_XIN24M << |
| CLK_PWM0_SEL_SHIFT) | |
| 0 << CLK_PWM0_SEL_SHIFT); |
| } else { |
| src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate); |
| assert(src_clk_div - 1 <= 127); |
| rk_clrsetreg(&pmucru->pmu_clksel_con[6], |
| CLK_PWM0_DIV_MASK | CLK_PWM0_DIV_MASK, |
| (CLK_PWM0_SEL_PPLL << CLK_PWM0_SEL_SHIFT) | |
| (src_clk_div - 1) << CLK_PWM0_DIV_SHIFT); |
| } |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_pwm_get_pmuclk(priv, clk_id); |
| } |
| |
| static ulong rk3568_pmu_get_pmuclk(struct rk3568_pmuclk_priv *priv) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| u32 div, con, sel, parent; |
| |
| con = readl(&pmucru->pmu_clksel_con[2]); |
| sel = (con & PCLK_PDPMU_SEL_MASK) >> PCLK_PDPMU_SEL_SHIFT; |
| div = (con & PCLK_PDPMU_DIV_MASK) >> PCLK_PDPMU_DIV_SHIFT; |
| if (sel) |
| parent = GPLL_HZ; |
| else |
| parent = priv->ppll_hz; |
| |
| return DIV_TO_RATE(parent, div); |
| } |
| |
| static ulong rk3568_pmu_set_pmuclk(struct rk3568_pmuclk_priv *priv, |
| ulong rate) |
| { |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| int src_clk_div; |
| |
| src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate); |
| assert(src_clk_div - 1 <= 31); |
| |
| rk_clrsetreg(&pmucru->pmu_clksel_con[2], |
| PCLK_PDPMU_DIV_MASK | PCLK_PDPMU_SEL_MASK, |
| (PCLK_PDPMU_SEL_PPLL << PCLK_PDPMU_SEL_SHIFT) | |
| ((src_clk_div - 1) << PCLK_PDPMU_DIV_SHIFT)); |
| |
| return rk3568_pmu_get_pmuclk(priv); |
| } |
| |
| static ulong rk3568_pmuclk_get_rate(struct clk *clk) |
| { |
| struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev); |
| ulong rate = 0; |
| |
| if (!priv->ppll_hz) { |
| printf("%s ppll=%lu\n", __func__, priv->ppll_hz); |
| return -ENOENT; |
| } |
| |
| debug("%s %ld\n", __func__, clk->id); |
| switch (clk->id) { |
| case PLL_PPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[PPLL], |
| priv->pmucru, PPLL); |
| break; |
| case PLL_HPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[HPLL], |
| priv->pmucru, HPLL); |
| break; |
| case CLK_RTC_32K: |
| case CLK_RTC32K_FRAC: |
| rate = rk3568_rtc32k_get_pmuclk(priv); |
| break; |
| case CLK_I2C0: |
| rate = rk3568_i2c_get_pmuclk(priv, clk->id); |
| break; |
| case CLK_PWM0: |
| rate = rk3568_pwm_get_pmuclk(priv, clk->id); |
| break; |
| case PCLK_PMU: |
| rate = rk3568_pmu_get_pmuclk(priv); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3568_pmuclk_set_rate(struct clk *clk, ulong rate) |
| { |
| struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev); |
| ulong ret = 0; |
| |
| if (!priv->ppll_hz) { |
| printf("%s ppll=%lu\n", __func__, priv->ppll_hz); |
| return -ENOENT; |
| } |
| |
| debug("%s %ld %ld\n", __func__, clk->id, rate); |
| switch (clk->id) { |
| case PLL_PPLL: |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[PPLL], |
| priv->pmucru, PPLL, rate); |
| priv->ppll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[PPLL], |
| priv->pmucru, PPLL); |
| break; |
| case PLL_HPLL: |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[HPLL], |
| priv->pmucru, HPLL, rate); |
| priv->hpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[HPLL], |
| priv->pmucru, HPLL); |
| break; |
| case CLK_RTC_32K: |
| case CLK_RTC32K_FRAC: |
| ret = rk3568_rtc32k_set_pmuclk(priv, rate); |
| break; |
| case CLK_I2C0: |
| ret = rk3568_i2c_set_pmuclk(priv, clk->id, rate); |
| break; |
| case CLK_PWM0: |
| ret = rk3568_pwm_set_pmuclk(priv, clk->id, rate); |
| break; |
| case PCLK_PMU: |
| ret = rk3568_pmu_set_pmuclk(priv, rate); |
| break; |
| case CLK_PCIEPHY0_REF: |
| case CLK_PCIEPHY1_REF: |
| case CLK_PCIEPHY2_REF: |
| return 0; |
| default: |
| return -ENOENT; |
| } |
| |
| return ret; |
| } |
| |
| static int rk3568_rtc32k_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_pmucru *pmucru = priv->pmucru; |
| |
| if (parent->id == CLK_RTC32K_FRAC) |
| rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK, |
| RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT); |
| else |
| rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK, |
| RTC32K_SEL_OSC1_32K << RTC32K_SEL_SHIFT); |
| |
| return 0; |
| } |
| |
| static int rk3568_pmuclk_set_parent(struct clk *clk, struct clk *parent) |
| { |
| switch (clk->id) { |
| case CLK_RTC_32K: |
| return rk3568_rtc32k_set_parent(clk, parent); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static struct clk_ops rk3568_pmuclk_ops = { |
| .get_rate = rk3568_pmuclk_get_rate, |
| .set_rate = rk3568_pmuclk_set_rate, |
| .set_parent = rk3568_pmuclk_set_parent, |
| }; |
| |
| static int rk3568_pmuclk_probe(struct udevice *dev) |
| { |
| struct rk3568_pmuclk_priv *priv = dev_get_priv(dev); |
| int ret = 0; |
| |
| if (priv->ppll_hz != PPLL_HZ) { |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[PPLL], |
| priv->pmucru, |
| PPLL, PPLL_HZ); |
| if (!ret) |
| priv->ppll_hz = PPLL_HZ; |
| } |
| |
| /* Ungate PCIe30phy refclk_m and refclk_n */ |
| rk_clrsetreg(&priv->pmucru->pmu_clkgate_con[2], 0x3 << 13, 0 << 13); |
| return 0; |
| } |
| |
| static int rk3568_pmuclk_ofdata_to_platdata(struct udevice *dev) |
| { |
| struct rk3568_pmuclk_priv *priv = dev_get_priv(dev); |
| |
| priv->pmucru = dev_read_addr_ptr(dev); |
| |
| return 0; |
| } |
| |
| static int rk3568_pmuclk_bind(struct udevice *dev) |
| { |
| #if CONFIG_IS_ENABLED(RESET_ROCKCHIP) |
| int ret = 0; |
| |
| ret = offsetof(struct rk3568_pmucru, pmu_softrst_con[0]); |
| ret = rockchip_reset_bind(dev, ret, 1); |
| if (ret) |
| debug("Warning: pmucru software reset driver bind failed\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| static const struct udevice_id rk3568_pmuclk_ids[] = { |
| { .compatible = "rockchip,rk3568-pmucru" }, |
| { } |
| }; |
| |
| U_BOOT_DRIVER(rockchip_rk3568_pmucru) = { |
| .name = "rockchip_rk3568_pmucru", |
| .id = UCLASS_CLK, |
| .of_match = rk3568_pmuclk_ids, |
| .priv_auto = sizeof(struct rk3568_pmuclk_priv), |
| .of_to_plat = rk3568_pmuclk_ofdata_to_platdata, |
| .ops = &rk3568_pmuclk_ops, |
| .bind = rk3568_pmuclk_bind, |
| .probe = rk3568_pmuclk_probe, |
| #if CONFIG_IS_ENABLED(OF_PLATDATA) |
| .plat_auto = sizeof(struct rk3568_pmuclk_plat), |
| #endif |
| |
| }; |
| |
| static int rk3568_armclk_set_clk(struct rk3568_clk_priv *priv, ulong hz) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| const struct rockchip_cpu_rate_table *rate; |
| ulong old_rate; |
| |
| rate = rockchip_get_cpu_settings(rk3568_cpu_rates, hz); |
| if (!rate) { |
| printf("%s unsupported rate\n", __func__); |
| return -EINVAL; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[0], |
| CLK_CORE_PRE_SEL_MASK, |
| (CLK_CORE_PRE_SEL_SRC << CLK_CORE_PRE_SEL_SHIFT)); |
| rk_clrsetreg(&cru->clksel_con[2], |
| SCLK_CORE_PRE_SEL_MASK | |
| SCLK_CORE_SRC_SEL_MASK | |
| SCLK_CORE_SRC_DIV_MASK, |
| (SCLK_CORE_PRE_SEL_SRC << |
| SCLK_CORE_PRE_SEL_SHIFT) | |
| (SCLK_CORE_SRC_SEL_APLL << |
| SCLK_CORE_SRC_SEL_SHIFT) | |
| (1 << SCLK_CORE_SRC_DIV_SHIFT)); |
| |
| /* |
| * set up dependent divisors for DBG and ACLK clocks. |
| */ |
| old_rate = rockchip_pll_get_rate(&rk3568_pll_clks[APLL], |
| priv->cru, APLL); |
| if (old_rate > hz) { |
| if (rockchip_pll_set_rate(&rk3568_pll_clks[APLL], |
| priv->cru, APLL, hz)) |
| return -EINVAL; |
| rk_clrsetreg(&cru->clksel_con[3], |
| GICCLK_CORE_DIV_MASK | ATCLK_CORE_DIV_MASK, |
| rate->pclk_div << GICCLK_CORE_DIV_SHIFT | |
| rate->pclk_div << ATCLK_CORE_DIV_SHIFT); |
| rk_clrsetreg(&cru->clksel_con[4], |
| PERIPHCLK_CORE_PRE_DIV_MASK | |
| PCLK_CORE_PRE_DIV_MASK, |
| rate->pclk_div << PCLK_CORE_PRE_DIV_SHIFT | |
| rate->pclk_div << PERIPHCLK_CORE_PRE_DIV_SHIFT); |
| rk_clrsetreg(&cru->clksel_con[5], |
| ACLK_CORE_NDFT_DIV_MASK, |
| rate->aclk_div << ACLK_CORE_NDFT_DIV_SHIFT); |
| } else if (old_rate < hz) { |
| rk_clrsetreg(&cru->clksel_con[3], |
| GICCLK_CORE_DIV_MASK | ATCLK_CORE_DIV_MASK, |
| rate->pclk_div << GICCLK_CORE_DIV_SHIFT | |
| rate->pclk_div << ATCLK_CORE_DIV_SHIFT); |
| rk_clrsetreg(&cru->clksel_con[4], |
| PERIPHCLK_CORE_PRE_DIV_MASK | |
| PCLK_CORE_PRE_DIV_MASK, |
| rate->pclk_div << PCLK_CORE_PRE_DIV_SHIFT | |
| rate->pclk_div << PERIPHCLK_CORE_PRE_DIV_SHIFT); |
| rk_clrsetreg(&cru->clksel_con[5], |
| ACLK_CORE_NDFT_DIV_MASK, |
| rate->aclk_div << ACLK_CORE_NDFT_DIV_SHIFT); |
| if (rockchip_pll_set_rate(&rk3568_pll_clks[APLL], |
| priv->cru, APLL, hz)) |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static ulong rk3568_cpll_div_get_rate(struct rk3568_clk_priv *priv, |
| ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int div, mask, shift, con; |
| |
| switch (clk_id) { |
| case CPLL_500M: |
| con = 78; |
| mask = CPLL_500M_DIV_MASK; |
| shift = CPLL_500M_DIV_SHIFT; |
| break; |
| case CPLL_333M: |
| con = 79; |
| mask = CPLL_333M_DIV_MASK; |
| shift = CPLL_333M_DIV_SHIFT; |
| break; |
| case CPLL_250M: |
| con = 79; |
| mask = CPLL_250M_DIV_MASK; |
| shift = CPLL_250M_DIV_SHIFT; |
| break; |
| case CPLL_125M: |
| con = 80; |
| mask = CPLL_125M_DIV_MASK; |
| shift = CPLL_125M_DIV_SHIFT; |
| break; |
| case CPLL_100M: |
| con = 82; |
| mask = CPLL_100M_DIV_MASK; |
| shift = CPLL_100M_DIV_SHIFT; |
| break; |
| case CPLL_62P5M: |
| con = 80; |
| mask = CPLL_62P5M_DIV_MASK; |
| shift = CPLL_62P5M_DIV_SHIFT; |
| break; |
| case CPLL_50M: |
| con = 81; |
| mask = CPLL_50M_DIV_MASK; |
| shift = CPLL_50M_DIV_SHIFT; |
| break; |
| case CPLL_25M: |
| con = 81; |
| mask = CPLL_25M_DIV_MASK; |
| shift = CPLL_25M_DIV_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| div = (readl(&cru->clksel_con[con]) & mask) >> shift; |
| return DIV_TO_RATE(priv->cpll_hz, div); |
| } |
| |
| static ulong rk3568_cpll_div_set_rate(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int div, mask, shift, con; |
| |
| switch (clk_id) { |
| case CPLL_500M: |
| con = 78; |
| mask = CPLL_500M_DIV_MASK; |
| shift = CPLL_500M_DIV_SHIFT; |
| break; |
| case CPLL_333M: |
| con = 79; |
| mask = CPLL_333M_DIV_MASK; |
| shift = CPLL_333M_DIV_SHIFT; |
| break; |
| case CPLL_250M: |
| con = 79; |
| mask = CPLL_250M_DIV_MASK; |
| shift = CPLL_250M_DIV_SHIFT; |
| break; |
| case CPLL_125M: |
| con = 80; |
| mask = CPLL_125M_DIV_MASK; |
| shift = CPLL_125M_DIV_SHIFT; |
| break; |
| case CPLL_100M: |
| con = 82; |
| mask = CPLL_100M_DIV_MASK; |
| shift = CPLL_100M_DIV_SHIFT; |
| break; |
| case CPLL_62P5M: |
| con = 80; |
| mask = CPLL_62P5M_DIV_MASK; |
| shift = CPLL_62P5M_DIV_SHIFT; |
| break; |
| case CPLL_50M: |
| con = 81; |
| mask = CPLL_50M_DIV_MASK; |
| shift = CPLL_50M_DIV_SHIFT; |
| break; |
| case CPLL_25M: |
| con = 81; |
| mask = CPLL_25M_DIV_MASK; |
| shift = CPLL_25M_DIV_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| if (clk_id == CPLL_25M) |
| assert(div - 1 <= 63); |
| else |
| assert(div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[con], |
| mask, (div - 1) << shift); |
| return rk3568_cpll_div_get_rate(priv, clk_id); |
| } |
| |
| static ulong rk3568_bus_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 con, sel, rate; |
| |
| switch (clk_id) { |
| case ACLK_BUS: |
| con = readl(&cru->clksel_con[50]); |
| sel = (con & ACLK_BUS_SEL_MASK) >> ACLK_BUS_SEL_SHIFT; |
| if (sel == ACLK_BUS_SEL_200M) |
| rate = 200 * MHz; |
| else if (sel == ACLK_BUS_SEL_150M) |
| rate = 150 * MHz; |
| else if (sel == ACLK_BUS_SEL_100M) |
| rate = 100 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case PCLK_BUS: |
| case PCLK_WDT_NS: |
| con = readl(&cru->clksel_con[50]); |
| sel = (con & PCLK_BUS_SEL_MASK) >> PCLK_BUS_SEL_SHIFT; |
| if (sel == PCLK_BUS_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == PCLK_BUS_SEL_75M) |
| rate = 75 * MHz; |
| else if (sel == PCLK_BUS_SEL_50M) |
| rate = 50 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3568_bus_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (clk_id) { |
| case ACLK_BUS: |
| if (rate == 200 * MHz) |
| src_clk = ACLK_BUS_SEL_200M; |
| else if (rate == 150 * MHz) |
| src_clk = ACLK_BUS_SEL_150M; |
| else if (rate == 100 * MHz) |
| src_clk = ACLK_BUS_SEL_100M; |
| else |
| src_clk = ACLK_BUS_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[50], |
| ACLK_BUS_SEL_MASK, |
| src_clk << ACLK_BUS_SEL_SHIFT); |
| break; |
| case PCLK_BUS: |
| case PCLK_WDT_NS: |
| if (rate == 100 * MHz) |
| src_clk = PCLK_BUS_SEL_100M; |
| else if (rate == 75 * MHz) |
| src_clk = PCLK_BUS_SEL_75M; |
| else if (rate == 50 * MHz) |
| src_clk = PCLK_BUS_SEL_50M; |
| else |
| src_clk = PCLK_BUS_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[50], |
| PCLK_BUS_SEL_MASK, |
| src_clk << PCLK_BUS_SEL_SHIFT); |
| break; |
| |
| default: |
| printf("do not support this bus freq\n"); |
| return -EINVAL; |
| } |
| |
| return rk3568_bus_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_perimid_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 con, sel, rate; |
| |
| switch (clk_id) { |
| case ACLK_PERIMID: |
| con = readl(&cru->clksel_con[10]); |
| sel = (con & ACLK_PERIMID_SEL_MASK) >> ACLK_PERIMID_SEL_SHIFT; |
| if (sel == ACLK_PERIMID_SEL_300M) |
| rate = 300 * MHz; |
| else if (sel == ACLK_PERIMID_SEL_200M) |
| rate = 200 * MHz; |
| else if (sel == ACLK_PERIMID_SEL_100M) |
| rate = 100 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case HCLK_PERIMID: |
| con = readl(&cru->clksel_con[10]); |
| sel = (con & HCLK_PERIMID_SEL_MASK) >> HCLK_PERIMID_SEL_SHIFT; |
| if (sel == HCLK_PERIMID_SEL_150M) |
| rate = 150 * MHz; |
| else if (sel == HCLK_PERIMID_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == HCLK_PERIMID_SEL_75M) |
| rate = 75 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3568_perimid_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (clk_id) { |
| case ACLK_PERIMID: |
| if (rate == 300 * MHz) |
| src_clk = ACLK_PERIMID_SEL_300M; |
| else if (rate == 200 * MHz) |
| src_clk = ACLK_PERIMID_SEL_200M; |
| else if (rate == 100 * MHz) |
| src_clk = ACLK_PERIMID_SEL_100M; |
| else |
| src_clk = ACLK_PERIMID_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[10], |
| ACLK_PERIMID_SEL_MASK, |
| src_clk << ACLK_PERIMID_SEL_SHIFT); |
| break; |
| case HCLK_PERIMID: |
| if (rate == 150 * MHz) |
| src_clk = HCLK_PERIMID_SEL_150M; |
| else if (rate == 100 * MHz) |
| src_clk = HCLK_PERIMID_SEL_100M; |
| else if (rate == 75 * MHz) |
| src_clk = HCLK_PERIMID_SEL_75M; |
| else |
| src_clk = HCLK_PERIMID_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[10], |
| HCLK_PERIMID_SEL_MASK, |
| src_clk << HCLK_PERIMID_SEL_SHIFT); |
| break; |
| |
| default: |
| printf("do not support this permid freq\n"); |
| return -EINVAL; |
| } |
| |
| return rk3568_perimid_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_top_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 con, sel, rate; |
| |
| switch (clk_id) { |
| case ACLK_TOP_HIGH: |
| con = readl(&cru->clksel_con[73]); |
| sel = (con & ACLK_TOP_HIGH_SEL_MASK) >> ACLK_TOP_HIGH_SEL_SHIFT; |
| if (sel == ACLK_TOP_HIGH_SEL_500M) |
| rate = 500 * MHz; |
| else if (sel == ACLK_TOP_HIGH_SEL_400M) |
| rate = 400 * MHz; |
| else if (sel == ACLK_TOP_HIGH_SEL_300M) |
| rate = 300 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case ACLK_TOP_LOW: |
| con = readl(&cru->clksel_con[73]); |
| sel = (con & ACLK_TOP_LOW_SEL_MASK) >> ACLK_TOP_LOW_SEL_SHIFT; |
| if (sel == ACLK_TOP_LOW_SEL_400M) |
| rate = 400 * MHz; |
| else if (sel == ACLK_TOP_LOW_SEL_300M) |
| rate = 300 * MHz; |
| else if (sel == ACLK_TOP_LOW_SEL_200M) |
| rate = 200 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case HCLK_TOP: |
| con = readl(&cru->clksel_con[73]); |
| sel = (con & HCLK_TOP_SEL_MASK) >> HCLK_TOP_SEL_SHIFT; |
| if (sel == HCLK_TOP_SEL_150M) |
| rate = 150 * MHz; |
| else if (sel == HCLK_TOP_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == HCLK_TOP_SEL_75M) |
| rate = 75 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case PCLK_TOP: |
| con = readl(&cru->clksel_con[73]); |
| sel = (con & PCLK_TOP_SEL_MASK) >> PCLK_TOP_SEL_SHIFT; |
| if (sel == PCLK_TOP_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == PCLK_TOP_SEL_75M) |
| rate = 75 * MHz; |
| else if (sel == PCLK_TOP_SEL_50M) |
| rate = 50 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3568_top_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (clk_id) { |
| case ACLK_TOP_HIGH: |
| if (rate == 500 * MHz) |
| src_clk = ACLK_TOP_HIGH_SEL_500M; |
| else if (rate == 400 * MHz) |
| src_clk = ACLK_TOP_HIGH_SEL_400M; |
| else if (rate == 300 * MHz) |
| src_clk = ACLK_TOP_HIGH_SEL_300M; |
| else |
| src_clk = ACLK_TOP_HIGH_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[73], |
| ACLK_TOP_HIGH_SEL_MASK, |
| src_clk << ACLK_TOP_HIGH_SEL_SHIFT); |
| break; |
| case ACLK_TOP_LOW: |
| if (rate == 400 * MHz) |
| src_clk = ACLK_TOP_LOW_SEL_400M; |
| else if (rate == 300 * MHz) |
| src_clk = ACLK_TOP_LOW_SEL_300M; |
| else if (rate == 200 * MHz) |
| src_clk = ACLK_TOP_LOW_SEL_200M; |
| else |
| src_clk = ACLK_TOP_LOW_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[73], |
| ACLK_TOP_LOW_SEL_MASK, |
| src_clk << ACLK_TOP_LOW_SEL_SHIFT); |
| break; |
| case HCLK_TOP: |
| if (rate == 150 * MHz) |
| src_clk = HCLK_TOP_SEL_150M; |
| else if (rate == 100 * MHz) |
| src_clk = HCLK_TOP_SEL_100M; |
| else if (rate == 75 * MHz) |
| src_clk = HCLK_TOP_SEL_75M; |
| else |
| src_clk = HCLK_TOP_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[73], |
| HCLK_TOP_SEL_MASK, |
| src_clk << HCLK_TOP_SEL_SHIFT); |
| break; |
| case PCLK_TOP: |
| if (rate == 100 * MHz) |
| src_clk = PCLK_TOP_SEL_100M; |
| else if (rate == 75 * MHz) |
| src_clk = PCLK_TOP_SEL_75M; |
| else if (rate == 50 * MHz) |
| src_clk = PCLK_TOP_SEL_50M; |
| else |
| src_clk = PCLK_TOP_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[73], |
| PCLK_TOP_SEL_MASK, |
| src_clk << PCLK_TOP_SEL_SHIFT); |
| break; |
| |
| default: |
| printf("do not support this permid freq\n"); |
| return -EINVAL; |
| } |
| |
| return rk3568_top_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_i2c_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| ulong rate; |
| |
| switch (clk_id) { |
| case CLK_I2C1: |
| case CLK_I2C2: |
| case CLK_I2C3: |
| case CLK_I2C4: |
| case CLK_I2C5: |
| con = readl(&cru->clksel_con[71]); |
| sel = (con & CLK_I2C_SEL_MASK) >> CLK_I2C_SEL_SHIFT; |
| if (sel == CLK_I2C_SEL_200M) |
| rate = 200 * MHz; |
| else if (sel == CLK_I2C_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == CLK_I2C_SEL_CPLL_100M) |
| rate = 100 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3568_i2c_set_clk(struct rk3568_clk_priv *priv, ulong clk_id, |
| ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate == 200 * MHz) |
| src_clk = CLK_I2C_SEL_200M; |
| else if (rate == 100 * MHz) |
| src_clk = CLK_I2C_SEL_100M; |
| else |
| src_clk = CLK_I2C_SEL_24M; |
| |
| switch (clk_id) { |
| case CLK_I2C1: |
| case CLK_I2C2: |
| case CLK_I2C3: |
| case CLK_I2C4: |
| case CLK_I2C5: |
| rk_clrsetreg(&cru->clksel_con[71], CLK_I2C_SEL_MASK, |
| src_clk << CLK_I2C_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_i2c_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_spi_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[72]); |
| |
| switch (clk_id) { |
| case CLK_SPI0: |
| sel = (con & CLK_SPI0_SEL_MASK) >> CLK_SPI0_SEL_SHIFT; |
| break; |
| case CLK_SPI1: |
| sel = (con & CLK_SPI1_SEL_MASK) >> CLK_SPI1_SEL_SHIFT; |
| break; |
| case CLK_SPI2: |
| sel = (con & CLK_SPI2_SEL_MASK) >> CLK_SPI2_SEL_SHIFT; |
| break; |
| case CLK_SPI3: |
| sel = (con & CLK_SPI3_SEL_MASK) >> CLK_SPI3_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (sel) { |
| case CLK_SPI_SEL_200M: |
| return 200 * MHz; |
| case CLK_SPI_SEL_24M: |
| return OSC_HZ; |
| case CLK_SPI_SEL_CPLL_100M: |
| return 100 * MHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_spi_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate == 200 * MHz) |
| src_clk = CLK_SPI_SEL_200M; |
| else if (rate == 100 * MHz) |
| src_clk = CLK_SPI_SEL_CPLL_100M; |
| else |
| src_clk = CLK_SPI_SEL_24M; |
| |
| switch (clk_id) { |
| case CLK_SPI0: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_SPI0_SEL_MASK, |
| src_clk << CLK_SPI0_SEL_SHIFT); |
| break; |
| case CLK_SPI1: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_SPI1_SEL_MASK, |
| src_clk << CLK_SPI1_SEL_SHIFT); |
| break; |
| case CLK_SPI2: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_SPI2_SEL_MASK, |
| src_clk << CLK_SPI2_SEL_SHIFT); |
| break; |
| case CLK_SPI3: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_SPI3_SEL_MASK, |
| src_clk << CLK_SPI3_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_spi_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_pwm_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[72]); |
| |
| switch (clk_id) { |
| case CLK_PWM1: |
| sel = (con & CLK_PWM1_SEL_MASK) >> CLK_PWM1_SEL_SHIFT; |
| break; |
| case CLK_PWM2: |
| sel = (con & CLK_PWM2_SEL_MASK) >> CLK_PWM2_SEL_SHIFT; |
| break; |
| case CLK_PWM3: |
| sel = (con & CLK_PWM3_SEL_MASK) >> CLK_PWM3_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (sel) { |
| case CLK_PWM_SEL_100M: |
| return 100 * MHz; |
| case CLK_PWM_SEL_24M: |
| return OSC_HZ; |
| case CLK_PWM_SEL_CPLL_100M: |
| return 100 * MHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_pwm_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate == 100 * MHz) |
| src_clk = CLK_PWM_SEL_100M; |
| else |
| src_clk = CLK_PWM_SEL_24M; |
| |
| switch (clk_id) { |
| case CLK_PWM1: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_PWM1_SEL_MASK, |
| src_clk << CLK_PWM1_SEL_SHIFT); |
| break; |
| case CLK_PWM2: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_PWM2_SEL_MASK, |
| src_clk << CLK_PWM2_SEL_SHIFT); |
| break; |
| case CLK_PWM3: |
| rk_clrsetreg(&cru->clksel_con[72], |
| CLK_PWM3_SEL_MASK, |
| src_clk << CLK_PWM3_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_pwm_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_adc_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 div, sel, con, prate; |
| |
| switch (clk_id) { |
| case CLK_SARADC: |
| return OSC_HZ; |
| case CLK_TSADC_TSEN: |
| con = readl(&cru->clksel_con[51]); |
| div = (con & CLK_TSADC_TSEN_DIV_MASK) >> |
| CLK_TSADC_TSEN_DIV_SHIFT; |
| sel = (con & CLK_TSADC_TSEN_SEL_MASK) >> |
| CLK_TSADC_TSEN_SEL_SHIFT; |
| if (sel == CLK_TSADC_TSEN_SEL_24M) |
| prate = OSC_HZ; |
| else |
| prate = 100 * MHz; |
| return DIV_TO_RATE(prate, div); |
| case CLK_TSADC: |
| con = readl(&cru->clksel_con[51]); |
| div = (con & CLK_TSADC_DIV_MASK) >> CLK_TSADC_DIV_SHIFT; |
| prate = rk3568_adc_get_clk(priv, CLK_TSADC_TSEN); |
| return DIV_TO_RATE(prate, div); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_adc_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk_div; |
| ulong prate = 0; |
| |
| switch (clk_id) { |
| case CLK_SARADC: |
| return OSC_HZ; |
| case CLK_TSADC_TSEN: |
| if (!(OSC_HZ % rate)) { |
| src_clk_div = DIV_ROUND_UP(OSC_HZ, rate); |
| assert(src_clk_div - 1 <= 7); |
| rk_clrsetreg(&cru->clksel_con[51], |
| CLK_TSADC_TSEN_SEL_MASK | |
| CLK_TSADC_TSEN_DIV_MASK, |
| (CLK_TSADC_TSEN_SEL_24M << |
| CLK_TSADC_TSEN_SEL_SHIFT) | |
| (src_clk_div - 1) << |
| CLK_TSADC_TSEN_DIV_SHIFT); |
| } else { |
| src_clk_div = DIV_ROUND_UP(100 * MHz, rate); |
| assert(src_clk_div - 1 <= 7); |
| rk_clrsetreg(&cru->clksel_con[51], |
| CLK_TSADC_TSEN_SEL_MASK | |
| CLK_TSADC_TSEN_DIV_MASK, |
| (CLK_TSADC_TSEN_SEL_100M << |
| CLK_TSADC_TSEN_SEL_SHIFT) | |
| (src_clk_div - 1) << |
| CLK_TSADC_TSEN_DIV_SHIFT); |
| } |
| break; |
| case CLK_TSADC: |
| prate = rk3568_adc_get_clk(priv, CLK_TSADC_TSEN); |
| src_clk_div = DIV_ROUND_UP(prate, rate); |
| assert(src_clk_div - 1 <= 128); |
| rk_clrsetreg(&cru->clksel_con[51], |
| CLK_TSADC_DIV_MASK, |
| (src_clk_div - 1) << CLK_TSADC_DIV_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| return rk3568_adc_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_crypto_get_rate(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| switch (clk_id) { |
| case ACLK_SECURE_FLASH: |
| case ACLK_CRYPTO_NS: |
| con = readl(&cru->clksel_con[27]); |
| sel = (con & ACLK_SECURE_FLASH_SEL_MASK) >> |
| ACLK_SECURE_FLASH_SEL_SHIFT; |
| if (sel == ACLK_SECURE_FLASH_SEL_200M) |
| return 200 * MHz; |
| else if (sel == ACLK_SECURE_FLASH_SEL_150M) |
| return 150 * MHz; |
| else if (sel == ACLK_SECURE_FLASH_SEL_100M) |
| return 100 * MHz; |
| else |
| return 24 * MHz; |
| case HCLK_SECURE_FLASH: |
| case HCLK_CRYPTO_NS: |
| case CLK_CRYPTO_NS_RNG: |
| con = readl(&cru->clksel_con[27]); |
| sel = (con & HCLK_SECURE_FLASH_SEL_MASK) >> |
| HCLK_SECURE_FLASH_SEL_SHIFT; |
| if (sel == HCLK_SECURE_FLASH_SEL_150M) |
| return 150 * MHz; |
| else if (sel == HCLK_SECURE_FLASH_SEL_100M) |
| return 100 * MHz; |
| else if (sel == HCLK_SECURE_FLASH_SEL_75M) |
| return 75 * MHz; |
| else |
| return 24 * MHz; |
| case CLK_CRYPTO_NS_CORE: |
| con = readl(&cru->clksel_con[27]); |
| sel = (con & CLK_CRYPTO_CORE_SEL_MASK) >> |
| CLK_CRYPTO_CORE_SEL_SHIFT; |
| if (sel == CLK_CRYPTO_CORE_SEL_200M) |
| return 200 * MHz; |
| else if (sel == CLK_CRYPTO_CORE_SEL_150M) |
| return 150 * MHz; |
| else |
| return 100 * MHz; |
| case CLK_CRYPTO_NS_PKA: |
| con = readl(&cru->clksel_con[27]); |
| sel = (con & CLK_CRYPTO_PKA_SEL_MASK) >> |
| CLK_CRYPTO_PKA_SEL_SHIFT; |
| if (sel == CLK_CRYPTO_PKA_SEL_300M) |
| return 300 * MHz; |
| else if (sel == CLK_CRYPTO_PKA_SEL_200M) |
| return 200 * MHz; |
| else |
| return 100 * MHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_crypto_set_rate(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 src_clk, mask, shift; |
| |
| switch (clk_id) { |
| case ACLK_SECURE_FLASH: |
| case ACLK_CRYPTO_NS: |
| mask = ACLK_SECURE_FLASH_SEL_MASK; |
| shift = ACLK_SECURE_FLASH_SEL_SHIFT; |
| if (rate == 200 * MHz) |
| src_clk = ACLK_SECURE_FLASH_SEL_200M; |
| else if (rate == 150 * MHz) |
| src_clk = ACLK_SECURE_FLASH_SEL_150M; |
| else if (rate == 100 * MHz) |
| src_clk = ACLK_SECURE_FLASH_SEL_100M; |
| else |
| src_clk = ACLK_SECURE_FLASH_SEL_24M; |
| break; |
| case HCLK_SECURE_FLASH: |
| case HCLK_CRYPTO_NS: |
| case CLK_CRYPTO_NS_RNG: |
| mask = HCLK_SECURE_FLASH_SEL_MASK; |
| shift = HCLK_SECURE_FLASH_SEL_SHIFT; |
| if (rate == 150 * MHz) |
| src_clk = HCLK_SECURE_FLASH_SEL_150M; |
| else if (rate == 100 * MHz) |
| src_clk = HCLK_SECURE_FLASH_SEL_100M; |
| else if (rate == 75 * MHz) |
| src_clk = HCLK_SECURE_FLASH_SEL_75M; |
| else |
| src_clk = HCLK_SECURE_FLASH_SEL_24M; |
| break; |
| case CLK_CRYPTO_NS_CORE: |
| mask = CLK_CRYPTO_CORE_SEL_MASK; |
| shift = CLK_CRYPTO_CORE_SEL_SHIFT; |
| if (rate == 200 * MHz) |
| src_clk = CLK_CRYPTO_CORE_SEL_200M; |
| else if (rate == 150 * MHz) |
| src_clk = CLK_CRYPTO_CORE_SEL_150M; |
| else |
| src_clk = CLK_CRYPTO_CORE_SEL_100M; |
| break; |
| case CLK_CRYPTO_NS_PKA: |
| mask = CLK_CRYPTO_PKA_SEL_MASK; |
| shift = CLK_CRYPTO_PKA_SEL_SHIFT; |
| if (rate == 300 * MHz) |
| src_clk = CLK_CRYPTO_PKA_SEL_300M; |
| else if (rate == 200 * MHz) |
| src_clk = CLK_CRYPTO_PKA_SEL_200M; |
| else |
| src_clk = CLK_CRYPTO_PKA_SEL_100M; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[27], mask, src_clk << shift); |
| |
| return rk3568_crypto_get_rate(priv, clk_id); |
| } |
| |
| static ulong rk3568_sdmmc_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| switch (clk_id) { |
| case HCLK_SDMMC0: |
| case CLK_SDMMC0: |
| con = readl(&cru->clksel_con[30]); |
| sel = (con & CLK_SDMMC0_SEL_MASK) >> CLK_SDMMC0_SEL_SHIFT; |
| break; |
| case CLK_SDMMC1: |
| con = readl(&cru->clksel_con[30]); |
| sel = (con & CLK_SDMMC1_SEL_MASK) >> CLK_SDMMC1_SEL_SHIFT; |
| break; |
| case CLK_SDMMC2: |
| con = readl(&cru->clksel_con[32]); |
| sel = (con & CLK_SDMMC2_SEL_MASK) >> CLK_SDMMC2_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (sel) { |
| case CLK_SDMMC_SEL_24M: |
| return OSC_HZ; |
| case CLK_SDMMC_SEL_400M: |
| return 400 * MHz; |
| case CLK_SDMMC_SEL_300M: |
| return 300 * MHz; |
| case CLK_SDMMC_SEL_100M: |
| return 100 * MHz; |
| case CLK_SDMMC_SEL_50M: |
| return 50 * MHz; |
| case CLK_SDMMC_SEL_750K: |
| return 750 * KHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_sdmmc_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case OSC_HZ: |
| case 26 * MHz: |
| case 25 * MHz: |
| src_clk = CLK_SDMMC_SEL_24M; |
| break; |
| case 400 * MHz: |
| src_clk = CLK_SDMMC_SEL_400M; |
| break; |
| case 300 * MHz: |
| src_clk = CLK_SDMMC_SEL_300M; |
| break; |
| case 100 * MHz: |
| src_clk = CLK_SDMMC_SEL_100M; |
| break; |
| case 52 * MHz: |
| case 50 * MHz: |
| src_clk = CLK_SDMMC_SEL_50M; |
| break; |
| case 750 * KHz: |
| case 400 * KHz: |
| src_clk = CLK_SDMMC_SEL_750K; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (clk_id) { |
| case HCLK_SDMMC0: |
| case CLK_SDMMC0: |
| rk_clrsetreg(&cru->clksel_con[30], |
| CLK_SDMMC0_SEL_MASK, |
| src_clk << CLK_SDMMC0_SEL_SHIFT); |
| break; |
| case CLK_SDMMC1: |
| rk_clrsetreg(&cru->clksel_con[30], |
| CLK_SDMMC1_SEL_MASK, |
| src_clk << CLK_SDMMC1_SEL_SHIFT); |
| break; |
| case CLK_SDMMC2: |
| rk_clrsetreg(&cru->clksel_con[32], |
| CLK_SDMMC2_SEL_MASK, |
| src_clk << CLK_SDMMC2_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_sdmmc_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_sfc_get_clk(struct rk3568_clk_priv *priv) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[28]); |
| sel = (con & SCLK_SFC_SEL_MASK) >> SCLK_SFC_SEL_SHIFT; |
| switch (sel) { |
| case SCLK_SFC_SEL_24M: |
| return OSC_HZ; |
| case SCLK_SFC_SEL_50M: |
| return 50 * MHz; |
| case SCLK_SFC_SEL_75M: |
| return 75 * MHz; |
| case SCLK_SFC_SEL_100M: |
| return 100 * MHz; |
| case SCLK_SFC_SEL_125M: |
| return 125 * MHz; |
| case SCLK_SFC_SEL_150M: |
| return 150 * MHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_sfc_set_clk(struct rk3568_clk_priv *priv, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate >= 150 * MHz) |
| src_clk = SCLK_SFC_SEL_150M; |
| else if (rate >= 125 * MHz) |
| src_clk = SCLK_SFC_SEL_125M; |
| else if (rate >= 100 * MHz) |
| src_clk = SCLK_SFC_SEL_100M; |
| else if (rate >= 75 * MHz) |
| src_clk = SCLK_SFC_SEL_75M; |
| else if (rate >= 50 * MHz) |
| src_clk = SCLK_SFC_SEL_50M; |
| else if (rate >= OSC_HZ) |
| src_clk = SCLK_SFC_SEL_24M; |
| else |
| return -ENOENT; |
| |
| rk_clrsetreg(&cru->clksel_con[28], |
| SCLK_SFC_SEL_MASK, |
| src_clk << SCLK_SFC_SEL_SHIFT); |
| |
| return rk3568_sfc_get_clk(priv); |
| } |
| |
| static ulong rk3568_nand_get_clk(struct rk3568_clk_priv *priv) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[28]); |
| sel = (con & NCLK_NANDC_SEL_MASK) >> NCLK_NANDC_SEL_SHIFT; |
| switch (sel) { |
| case NCLK_NANDC_SEL_200M: |
| return 200 * MHz; |
| case NCLK_NANDC_SEL_150M: |
| return 150 * MHz; |
| case NCLK_NANDC_SEL_100M: |
| return 100 * MHz; |
| case NCLK_NANDC_SEL_24M: |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_nand_set_clk(struct rk3568_clk_priv *priv, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case OSC_HZ: |
| src_clk = NCLK_NANDC_SEL_24M; |
| break; |
| case 100 * MHz: |
| src_clk = NCLK_NANDC_SEL_100M; |
| break; |
| case 150 * MHz: |
| src_clk = NCLK_NANDC_SEL_150M; |
| break; |
| case 200 * MHz: |
| src_clk = NCLK_NANDC_SEL_200M; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[28], |
| NCLK_NANDC_SEL_MASK, |
| src_clk << NCLK_NANDC_SEL_SHIFT); |
| |
| return rk3568_nand_get_clk(priv); |
| } |
| |
| static ulong rk3568_emmc_get_clk(struct rk3568_clk_priv *priv) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[28]); |
| sel = (con & CCLK_EMMC_SEL_MASK) >> CCLK_EMMC_SEL_SHIFT; |
| switch (sel) { |
| case CCLK_EMMC_SEL_200M: |
| return 200 * MHz; |
| case CCLK_EMMC_SEL_150M: |
| return 150 * MHz; |
| case CCLK_EMMC_SEL_100M: |
| return 100 * MHz; |
| case CCLK_EMMC_SEL_50M: |
| return 50 * MHz; |
| case CCLK_EMMC_SEL_375K: |
| return 375 * KHz; |
| case CCLK_EMMC_SEL_24M: |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_emmc_set_clk(struct rk3568_clk_priv *priv, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case OSC_HZ: |
| case 26 * MHz: |
| case 25 * MHz: |
| src_clk = CCLK_EMMC_SEL_24M; |
| break; |
| case 52 * MHz: |
| case 50 * MHz: |
| src_clk = CCLK_EMMC_SEL_50M; |
| break; |
| case 100 * MHz: |
| src_clk = CCLK_EMMC_SEL_100M; |
| break; |
| case 150 * MHz: |
| src_clk = CCLK_EMMC_SEL_150M; |
| break; |
| case 200 * MHz: |
| src_clk = CCLK_EMMC_SEL_200M; |
| break; |
| case 400 * KHz: |
| case 375 * KHz: |
| src_clk = CCLK_EMMC_SEL_375K; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[28], |
| CCLK_EMMC_SEL_MASK, |
| src_clk << CCLK_EMMC_SEL_SHIFT); |
| |
| return rk3568_emmc_get_clk(priv); |
| } |
| |
| static ulong rk3568_emmc_get_bclk(struct rk3568_clk_priv *priv) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[28]); |
| sel = (con & BCLK_EMMC_SEL_MASK) >> BCLK_EMMC_SEL_SHIFT; |
| switch (sel) { |
| case BCLK_EMMC_SEL_200M: |
| return 200 * MHz; |
| case BCLK_EMMC_SEL_150M: |
| return 150 * MHz; |
| case BCLK_EMMC_SEL_125M: |
| return 125 * MHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_emmc_set_bclk(struct rk3568_clk_priv *priv, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case 200 * MHz: |
| src_clk = BCLK_EMMC_SEL_200M; |
| break; |
| case 150 * MHz: |
| src_clk = BCLK_EMMC_SEL_150M; |
| break; |
| case 125 * MHz: |
| src_clk = BCLK_EMMC_SEL_125M; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[28], |
| BCLK_EMMC_SEL_MASK, |
| src_clk << BCLK_EMMC_SEL_SHIFT); |
| |
| return rk3568_emmc_get_bclk(priv); |
| } |
| |
| #ifndef CONFIG_XPL_BUILD |
| static ulong rk3568_aclk_vop_get_clk(struct rk3568_clk_priv *priv) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 div, sel, con, parent; |
| |
| con = readl(&cru->clksel_con[38]); |
| div = (con & ACLK_VOP_PRE_DIV_MASK) >> ACLK_VOP_PRE_DIV_SHIFT; |
| sel = (con & ACLK_VOP_PRE_SEL_MASK) >> ACLK_VOP_PRE_SEL_SHIFT; |
| if (sel == ACLK_VOP_PRE_SEL_GPLL) |
| parent = priv->gpll_hz; |
| else if (sel == ACLK_VOP_PRE_SEL_CPLL) |
| parent = priv->cpll_hz; |
| else if (sel == ACLK_VOP_PRE_SEL_VPLL) |
| parent = priv->vpll_hz; |
| else |
| parent = priv->hpll_hz; |
| |
| return DIV_TO_RATE(parent, div); |
| } |
| |
| static ulong rk3568_aclk_vop_set_clk(struct rk3568_clk_priv *priv, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk_div, src_clk_mux; |
| |
| if ((priv->cpll_hz % rate) == 0) { |
| src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| src_clk_mux = ACLK_VOP_PRE_SEL_CPLL; |
| } else { |
| src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| src_clk_mux = ACLK_VOP_PRE_SEL_GPLL; |
| } |
| assert(src_clk_div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[38], |
| ACLK_VOP_PRE_SEL_MASK | ACLK_VOP_PRE_DIV_MASK, |
| src_clk_mux << ACLK_VOP_PRE_SEL_SHIFT | |
| (src_clk_div - 1) << ACLK_VOP_PRE_DIV_SHIFT); |
| |
| return rk3568_aclk_vop_get_clk(priv); |
| } |
| |
| static ulong rk3568_dclk_vop_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 conid, div, sel, con, parent; |
| |
| switch (clk_id) { |
| case DCLK_VOP0: |
| conid = 39; |
| break; |
| case DCLK_VOP1: |
| conid = 40; |
| break; |
| case DCLK_VOP2: |
| conid = 41; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| con = readl(&cru->clksel_con[conid]); |
| div = (con & DCLK0_VOP_DIV_MASK) >> DCLK0_VOP_DIV_SHIFT; |
| sel = (con & DCLK0_VOP_SEL_MASK) >> DCLK0_VOP_SEL_SHIFT; |
| if (sel == DCLK_VOP_SEL_HPLL) |
| parent = rk3568_pmu_pll_get_rate(priv, HPLL); |
| else if (sel == DCLK_VOP_SEL_VPLL) |
| parent = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL], |
| priv->cru, VPLL); |
| else if (sel == DCLK_VOP_SEL_GPLL) |
| parent = priv->gpll_hz; |
| else if (sel == DCLK_VOP_SEL_CPLL) |
| parent = priv->cpll_hz; |
| else |
| return -ENOENT; |
| |
| return DIV_TO_RATE(parent, div); |
| } |
| |
| #define RK3568_VOP_PLL_LIMIT_FREQ 600000000 |
| |
| static ulong rk3568_dclk_vop_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| ulong pll_rate, now, best_rate = 0; |
| u32 i, conid, con, sel, div, best_div = 0, best_sel = 0; |
| |
| switch (clk_id) { |
| case DCLK_VOP0: |
| conid = 39; |
| break; |
| case DCLK_VOP1: |
| conid = 40; |
| break; |
| case DCLK_VOP2: |
| conid = 41; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| con = readl(&cru->clksel_con[conid]); |
| sel = (con & DCLK0_VOP_SEL_MASK) >> DCLK0_VOP_SEL_SHIFT; |
| |
| if (sel == DCLK_VOP_SEL_HPLL) { |
| div = 1; |
| rk_clrsetreg(&cru->clksel_con[conid], |
| DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK, |
| (DCLK_VOP_SEL_HPLL << DCLK0_VOP_SEL_SHIFT) | |
| ((div - 1) << DCLK0_VOP_DIV_SHIFT)); |
| rk3568_pmu_pll_set_rate(priv, HPLL, div * rate); |
| } else if (sel == DCLK_VOP_SEL_VPLL) { |
| div = DIV_ROUND_UP(RK3568_VOP_PLL_LIMIT_FREQ, rate); |
| rk_clrsetreg(&cru->clksel_con[conid], |
| DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK, |
| (DCLK_VOP_SEL_VPLL << DCLK0_VOP_SEL_SHIFT) | |
| ((div - 1) << DCLK0_VOP_DIV_SHIFT)); |
| rockchip_pll_set_rate(&rk3568_pll_clks[VPLL], |
| priv->cru, VPLL, div * rate); |
| } else { |
| for (i = sel; i <= DCLK_VOP_SEL_CPLL; i++) { |
| switch (i) { |
| case DCLK_VOP_SEL_GPLL: |
| pll_rate = priv->gpll_hz; |
| break; |
| case DCLK_VOP_SEL_CPLL: |
| pll_rate = priv->cpll_hz; |
| break; |
| default: |
| printf("do not support this vop pll sel\n"); |
| return -EINVAL; |
| } |
| |
| div = DIV_ROUND_UP(pll_rate, rate); |
| if (div > 255) |
| continue; |
| now = pll_rate / div; |
| if (abs(rate - now) < abs(rate - best_rate)) { |
| best_rate = now; |
| best_div = div; |
| best_sel = i; |
| } |
| debug("p_rate=%lu, best_rate=%lu, div=%u, sel=%u\n", |
| pll_rate, best_rate, best_div, best_sel); |
| } |
| |
| if (best_rate) { |
| rk_clrsetreg(&cru->clksel_con[conid], |
| DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK, |
| best_sel << DCLK0_VOP_SEL_SHIFT | |
| (best_div - 1) << DCLK0_VOP_DIV_SHIFT); |
| } else { |
| printf("do not support this vop freq %lu\n", rate); |
| return -EINVAL; |
| } |
| } |
| return rk3568_dclk_vop_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3568_gmac_src_get_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[31 + mac_id * 2]); |
| sel = (con & CLK_MAC0_2TOP_SEL_MASK) >> CLK_MAC0_2TOP_SEL_SHIFT; |
| |
| switch (sel) { |
| case CLK_MAC0_2TOP_SEL_125M: |
| return 125 * MHz; |
| case CLK_MAC0_2TOP_SEL_50M: |
| return 50 * MHz; |
| case CLK_MAC0_2TOP_SEL_25M: |
| return 25 * MHz; |
| case CLK_MAC0_2TOP_SEL_PPLL: |
| return rk3568_pmu_pll_get_rate(priv, HPLL); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_gmac_src_set_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case 125 * MHz: |
| src_clk = CLK_MAC0_2TOP_SEL_125M; |
| break; |
| case 50 * MHz: |
| src_clk = CLK_MAC0_2TOP_SEL_50M; |
| break; |
| case 25 * MHz: |
| src_clk = CLK_MAC0_2TOP_SEL_25M; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2], |
| CLK_MAC0_2TOP_SEL_MASK, |
| src_clk << CLK_MAC0_2TOP_SEL_SHIFT); |
| |
| return rk3568_gmac_src_get_clk(priv, mac_id); |
| } |
| |
| static ulong rk3568_gmac_out_get_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[31 + mac_id * 2]); |
| sel = (con & CLK_MAC0_OUT_SEL_MASK) >> CLK_MAC0_OUT_SEL_SHIFT; |
| |
| switch (sel) { |
| case CLK_MAC0_OUT_SEL_125M: |
| return 125 * MHz; |
| case CLK_MAC0_OUT_SEL_50M: |
| return 50 * MHz; |
| case CLK_MAC0_OUT_SEL_25M: |
| return 25 * MHz; |
| case CLK_MAC0_OUT_SEL_24M: |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_gmac_out_set_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case 125 * MHz: |
| src_clk = CLK_MAC0_OUT_SEL_125M; |
| break; |
| case 50 * MHz: |
| src_clk = CLK_MAC0_OUT_SEL_50M; |
| break; |
| case 25 * MHz: |
| src_clk = CLK_MAC0_OUT_SEL_25M; |
| break; |
| case 24 * MHz: |
| src_clk = CLK_MAC0_OUT_SEL_24M; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2], |
| CLK_MAC0_OUT_SEL_MASK, |
| src_clk << CLK_MAC0_OUT_SEL_SHIFT); |
| |
| return rk3568_gmac_out_get_clk(priv, mac_id); |
| } |
| |
| static ulong rk3568_gmac_ptp_ref_get_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[31 + mac_id * 2]); |
| sel = (con & CLK_GMAC0_PTP_REF_SEL_MASK) >> CLK_GMAC0_PTP_REF_SEL_SHIFT; |
| |
| switch (sel) { |
| case CLK_GMAC0_PTP_REF_SEL_62_5M: |
| return 62500 * KHz; |
| case CLK_GMAC0_PTP_REF_SEL_100M: |
| return 100 * MHz; |
| case CLK_GMAC0_PTP_REF_SEL_50M: |
| return 50 * MHz; |
| case CLK_GMAC0_PTP_REF_SEL_24M: |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_gmac_ptp_ref_set_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (rate) { |
| case 62500 * KHz: |
| src_clk = CLK_GMAC0_PTP_REF_SEL_62_5M; |
| break; |
| case 100 * MHz: |
| src_clk = CLK_GMAC0_PTP_REF_SEL_100M; |
| break; |
| case 50 * MHz: |
| src_clk = CLK_GMAC0_PTP_REF_SEL_50M; |
| break; |
| case 24 * MHz: |
| src_clk = CLK_GMAC0_PTP_REF_SEL_24M; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2], |
| CLK_GMAC0_PTP_REF_SEL_MASK, |
| src_clk << CLK_GMAC0_PTP_REF_SEL_SHIFT); |
| |
| return rk3568_gmac_ptp_ref_get_clk(priv, mac_id); |
| } |
| |
| static ulong rk3568_gmac_tx_rx_set_clk(struct rk3568_clk_priv *priv, |
| ulong mac_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 con, sel, div_sel; |
| |
| con = readl(&cru->clksel_con[31 + mac_id * 2]); |
| sel = (con & RMII0_MODE_MASK) >> RMII0_MODE_SHIFT; |
| |
| if (sel == RMII0_MODE_SEL_RGMII) { |
| if (rate == 2500000) |
| div_sel = RGMII0_CLK_SEL_2_5M; |
| else if (rate == 25000000) |
| div_sel = RGMII0_CLK_SEL_25M; |
| else |
| div_sel = RGMII0_CLK_SEL_125M; |
| rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2], |
| RGMII0_CLK_SEL_MASK, |
| div_sel << RGMII0_CLK_SEL_SHIFT); |
| } else if (sel == RMII0_MODE_SEL_RMII) { |
| if (rate == 2500000) |
| div_sel = RMII0_CLK_SEL_2_5M; |
| else |
| div_sel = RMII0_CLK_SEL_25M; |
| rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2], |
| RMII0_CLK_SEL_MASK, |
| div_sel << RMII0_CLK_SEL_SHIFT); |
| } |
| |
| return 0; |
| } |
| |
| static ulong rk3568_ebc_get_clk(struct rk3568_clk_priv *priv) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 con, div, p_rate; |
| |
| con = readl(&cru->clksel_con[79]); |
| div = (con & CPLL_333M_DIV_MASK) >> CPLL_333M_DIV_SHIFT; |
| p_rate = DIV_TO_RATE(priv->cpll_hz, div); |
| |
| con = readl(&cru->clksel_con[43]); |
| div = (con & DCLK_EBC_SEL_MASK) >> DCLK_EBC_SEL_SHIFT; |
| switch (div) { |
| case DCLK_EBC_SEL_GPLL_400M: |
| return 400 * MHz; |
| case DCLK_EBC_SEL_CPLL_333M: |
| return p_rate; |
| case DCLK_EBC_SEL_GPLL_200M: |
| return 200 * MHz; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_ebc_set_clk(struct rk3568_clk_priv *priv, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk_div; |
| |
| src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| assert(src_clk_div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[79], |
| CPLL_333M_DIV_MASK, |
| (src_clk_div - 1) << CPLL_333M_DIV_SHIFT); |
| rk_clrsetreg(&cru->clksel_con[43], |
| DCLK_EBC_SEL_MASK, |
| DCLK_EBC_SEL_CPLL_333M << DCLK_EBC_SEL_SHIFT); |
| |
| return rk3568_ebc_get_clk(priv); |
| } |
| |
| static ulong rk3568_rkvdec_get_clk(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 con, div, src, p_rate; |
| |
| switch (clk_id) { |
| case ACLK_RKVDEC_PRE: |
| case ACLK_RKVDEC: |
| con = readl(&cru->clksel_con[47]); |
| src = (con & ACLK_RKVDEC_SEL_MASK) >> ACLK_RKVDEC_SEL_SHIFT; |
| div = (con & ACLK_RKVDEC_DIV_MASK) >> ACLK_RKVDEC_DIV_SHIFT; |
| if (src == ACLK_RKVDEC_SEL_CPLL) |
| p_rate = priv->cpll_hz; |
| else |
| p_rate = priv->gpll_hz; |
| return DIV_TO_RATE(p_rate, div); |
| case CLK_RKVDEC_CORE: |
| con = readl(&cru->clksel_con[49]); |
| src = (con & CLK_RKVDEC_CORE_SEL_MASK) |
| >> CLK_RKVDEC_CORE_SEL_SHIFT; |
| div = (con & CLK_RKVDEC_CORE_DIV_MASK) |
| >> CLK_RKVDEC_CORE_DIV_SHIFT; |
| if (src == CLK_RKVDEC_CORE_SEL_CPLL) |
| p_rate = priv->cpll_hz; |
| else if (src == CLK_RKVDEC_CORE_SEL_NPLL) |
| p_rate = priv->npll_hz; |
| else if (src == CLK_RKVDEC_CORE_SEL_VPLL) |
| p_rate = priv->vpll_hz; |
| else |
| p_rate = priv->gpll_hz; |
| return DIV_TO_RATE(p_rate, div); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3568_rkvdec_set_clk(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| int src_clk_div, src, p_rate; |
| |
| switch (clk_id) { |
| case ACLK_RKVDEC_PRE: |
| case ACLK_RKVDEC: |
| src = (readl(&cru->clksel_con[47]) & ACLK_RKVDEC_SEL_MASK) |
| >> ACLK_RKVDEC_SEL_SHIFT; |
| if (src == ACLK_RKVDEC_SEL_CPLL) |
| p_rate = priv->cpll_hz; |
| else |
| p_rate = priv->gpll_hz; |
| src_clk_div = DIV_ROUND_UP(p_rate, rate); |
| assert(src_clk_div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[47], |
| ACLK_RKVDEC_SEL_MASK | |
| ACLK_RKVDEC_DIV_MASK, |
| (src << ACLK_RKVDEC_SEL_SHIFT) | |
| (src_clk_div - 1) << ACLK_RKVDEC_DIV_SHIFT); |
| break; |
| case CLK_RKVDEC_CORE: |
| src = (readl(&cru->clksel_con[49]) & CLK_RKVDEC_CORE_SEL_MASK) |
| >> CLK_RKVDEC_CORE_SEL_SHIFT; |
| if (src == CLK_RKVDEC_CORE_SEL_CPLL) |
| p_rate = priv->cpll_hz; |
| else if (src == CLK_RKVDEC_CORE_SEL_NPLL) |
| p_rate = priv->npll_hz; |
| else if (src == CLK_RKVDEC_CORE_SEL_VPLL) |
| p_rate = priv->vpll_hz; |
| else |
| p_rate = priv->gpll_hz; |
| src_clk_div = DIV_ROUND_UP(p_rate, rate); |
| assert(src_clk_div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[49], |
| CLK_RKVDEC_CORE_SEL_MASK | |
| CLK_RKVDEC_CORE_DIV_MASK, |
| (src << CLK_RKVDEC_CORE_SEL_SHIFT) | |
| (src_clk_div - 1) << CLK_RKVDEC_CORE_DIV_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3568_rkvdec_get_clk(priv, clk_id); |
| } |
| #endif |
| |
| static ulong rk3568_uart_get_rate(struct rk3568_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 reg, con, fracdiv, div, src, p_src, p_rate; |
| unsigned long m, n; |
| |
| switch (clk_id) { |
| case SCLK_UART1: |
| reg = 52; |
| break; |
| case SCLK_UART2: |
| reg = 54; |
| break; |
| case SCLK_UART3: |
| reg = 56; |
| break; |
| case SCLK_UART4: |
| reg = 58; |
| break; |
| case SCLK_UART5: |
| reg = 60; |
| break; |
| case SCLK_UART6: |
| reg = 62; |
| break; |
| case SCLK_UART7: |
| reg = 64; |
| break; |
| case SCLK_UART8: |
| reg = 66; |
| break; |
| case SCLK_UART9: |
| reg = 68; |
| break; |
| default: |
| return -ENOENT; |
| } |
| con = readl(&cru->clksel_con[reg]); |
| src = (con & CLK_UART_SEL_MASK) >> CLK_UART_SEL_SHIFT; |
| div = (con & CLK_UART_SRC_DIV_MASK) >> CLK_UART_SRC_DIV_SHIFT; |
| p_src = (con & CLK_UART_SRC_SEL_MASK) >> CLK_UART_SRC_SEL_SHIFT; |
| if (p_src == CLK_UART_SRC_SEL_GPLL) |
| p_rate = priv->gpll_hz; |
| else if (p_src == CLK_UART_SRC_SEL_CPLL) |
| p_rate = priv->cpll_hz; |
| else |
| p_rate = 480000000; |
| if (src == CLK_UART_SEL_SRC) { |
| return DIV_TO_RATE(p_rate, div); |
| } else if (src == CLK_UART_SEL_FRAC) { |
| fracdiv = readl(&cru->clksel_con[reg + 1]); |
| n = fracdiv & CLK_UART_FRAC_NUMERATOR_MASK; |
| n >>= CLK_UART_FRAC_NUMERATOR_SHIFT; |
| m = fracdiv & CLK_UART_FRAC_DENOMINATOR_MASK; |
| m >>= CLK_UART_FRAC_DENOMINATOR_SHIFT; |
| return DIV_TO_RATE(p_rate, div) * n / m; |
| } else { |
| return OSC_HZ; |
| } |
| } |
| |
| static ulong rk3568_uart_set_rate(struct rk3568_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3568_cru *cru = priv->cru; |
| u32 reg, clk_src, uart_src, div; |
| unsigned long m = 0, n = 0, val; |
| |
| if (priv->gpll_hz % rate == 0) { |
| clk_src = CLK_UART_SRC_SEL_GPLL; |
| uart_src = CLK_UART_SEL_SRC; |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } else if (priv->cpll_hz % rate == 0) { |
| clk_src = CLK_UART_SRC_SEL_CPLL; |
| uart_src = CLK_UART_SEL_SRC; |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } else if (rate == OSC_HZ) { |
| clk_src = CLK_UART_SRC_SEL_GPLL; |
| uart_src = CLK_UART_SEL_XIN24M; |
| div = 2; |
| } else { |
| clk_src = CLK_UART_SRC_SEL_GPLL; |
| uart_src = CLK_UART_SEL_FRAC; |
| div = 2; |
| rational_best_approximation(rate, priv->gpll_hz / div, |
| GENMASK(16 - 1, 0), |
| GENMASK(16 - 1, 0), |
| &m, &n); |
| } |
| |
| switch (clk_id) { |
| case SCLK_UART1: |
| reg = 52; |
| break; |
| case SCLK_UART2: |
| reg = 54; |
| break; |
| case SCLK_UART3: |
| reg = 56; |
| break; |
| case SCLK_UART4: |
| reg = 58; |
| break; |
| case SCLK_UART5: |
| reg = 60; |
| break; |
| case SCLK_UART6: |
| reg = 62; |
| break; |
| case SCLK_UART7: |
| reg = 64; |
| break; |
| case SCLK_UART8: |
| reg = 66; |
| break; |
| case SCLK_UART9: |
| reg = 68; |
| break; |
| default: |
| return -ENOENT; |
| } |
| rk_clrsetreg(&cru->clksel_con[reg], |
| CLK_UART_SEL_MASK | CLK_UART_SRC_SEL_MASK | |
| CLK_UART_SRC_DIV_MASK, |
| (clk_src << CLK_UART_SRC_SEL_SHIFT) | |
| (uart_src << CLK_UART_SEL_SHIFT) | |
| ((div - 1) << CLK_UART_SRC_DIV_SHIFT)); |
| if (m && n) { |
| val = m << CLK_UART_FRAC_NUMERATOR_SHIFT | n; |
| writel(val, &cru->clksel_con[reg + 1]); |
| } |
| |
| return rk3568_uart_get_rate(priv, clk_id); |
| } |
| |
| static ulong rk3568_clk_get_rate(struct clk *clk) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| ulong rate = 0; |
| |
| if (!priv->gpll_hz) { |
| printf("%s gpll=%lu\n", __func__, priv->gpll_hz); |
| return -ENOENT; |
| } |
| |
| switch (clk->id) { |
| case PLL_APLL: |
| case ARMCLK: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[APLL], priv->cru, |
| APLL); |
| break; |
| case PLL_CPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[CPLL], priv->cru, |
| CPLL); |
| break; |
| case PLL_GPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[GPLL], priv->cru, |
| GPLL); |
| break; |
| case PLL_NPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[NPLL], priv->cru, |
| NPLL); |
| break; |
| case PLL_VPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL], priv->cru, |
| VPLL); |
| break; |
| case PLL_DPLL: |
| rate = rockchip_pll_get_rate(&rk3568_pll_clks[DPLL], priv->cru, |
| DPLL); |
| break; |
| case ACLK_BUS: |
| case PCLK_BUS: |
| case PCLK_WDT_NS: |
| rate = rk3568_bus_get_clk(priv, clk->id); |
| break; |
| case ACLK_PERIMID: |
| case HCLK_PERIMID: |
| rate = rk3568_perimid_get_clk(priv, clk->id); |
| break; |
| case ACLK_TOP_HIGH: |
| case ACLK_TOP_LOW: |
| case HCLK_TOP: |
| case PCLK_TOP: |
| rate = rk3568_top_get_clk(priv, clk->id); |
| break; |
| case CLK_I2C1: |
| case CLK_I2C2: |
| case CLK_I2C3: |
| case CLK_I2C4: |
| case CLK_I2C5: |
| rate = rk3568_i2c_get_clk(priv, clk->id); |
| break; |
| case CLK_SPI0: |
| case CLK_SPI1: |
| case CLK_SPI2: |
| case CLK_SPI3: |
| rate = rk3568_spi_get_clk(priv, clk->id); |
| break; |
| case CLK_PWM1: |
| case CLK_PWM2: |
| case CLK_PWM3: |
| rate = rk3568_pwm_get_clk(priv, clk->id); |
| break; |
| case CLK_SARADC: |
| case CLK_TSADC_TSEN: |
| case CLK_TSADC: |
| rate = rk3568_adc_get_clk(priv, clk->id); |
| break; |
| case HCLK_SDMMC0: |
| case CLK_SDMMC0: |
| case CLK_SDMMC1: |
| case CLK_SDMMC2: |
| rate = rk3568_sdmmc_get_clk(priv, clk->id); |
| break; |
| case SCLK_SFC: |
| rate = rk3568_sfc_get_clk(priv); |
| break; |
| case NCLK_NANDC: |
| rate = rk3568_nand_get_clk(priv); |
| break; |
| case CCLK_EMMC: |
| rate = rk3568_emmc_get_clk(priv); |
| break; |
| case BCLK_EMMC: |
| rate = rk3568_emmc_get_bclk(priv); |
| break; |
| case CLK_USB3OTG0_REF: |
| case CLK_USB3OTG1_REF: |
| case TCLK_EMMC: |
| rate = OSC_HZ; |
| break; |
| #ifndef CONFIG_XPL_BUILD |
| case ACLK_VOP: |
| rate = rk3568_aclk_vop_get_clk(priv); |
| break; |
| case DCLK_VOP0: |
| case DCLK_VOP1: |
| case DCLK_VOP2: |
| rate = rk3568_dclk_vop_get_clk(priv, clk->id); |
| break; |
| case SCLK_GMAC0: |
| case CLK_MAC0_2TOP: |
| case CLK_MAC0_REFOUT: |
| rate = rk3568_gmac_src_get_clk(priv, 0); |
| break; |
| case CLK_MAC0_OUT: |
| rate = rk3568_gmac_out_get_clk(priv, 0); |
| break; |
| case CLK_GMAC0_PTP_REF: |
| rate = rk3568_gmac_ptp_ref_get_clk(priv, 0); |
| break; |
| case SCLK_GMAC1: |
| case CLK_MAC1_2TOP: |
| case CLK_MAC1_REFOUT: |
| rate = rk3568_gmac_src_get_clk(priv, 1); |
| break; |
| case CLK_MAC1_OUT: |
| rate = rk3568_gmac_out_get_clk(priv, 1); |
| break; |
| case CLK_GMAC1_PTP_REF: |
| rate = rk3568_gmac_ptp_ref_get_clk(priv, 1); |
| break; |
| case DCLK_EBC: |
| rate = rk3568_ebc_get_clk(priv); |
| break; |
| case ACLK_RKVDEC_PRE: |
| case ACLK_RKVDEC: |
| case CLK_RKVDEC_CORE: |
| rate = rk3568_rkvdec_get_clk(priv, clk->id); |
| break; |
| case TCLK_WDT_NS: |
| rate = OSC_HZ; |
| break; |
| #endif |
| case SCLK_UART1: |
| case SCLK_UART2: |
| case SCLK_UART3: |
| case SCLK_UART4: |
| case SCLK_UART5: |
| case SCLK_UART6: |
| case SCLK_UART7: |
| case SCLK_UART8: |
| case SCLK_UART9: |
| rate = rk3568_uart_get_rate(priv, clk->id); |
| break; |
| case ACLK_SECURE_FLASH: |
| case ACLK_CRYPTO_NS: |
| case HCLK_SECURE_FLASH: |
| case HCLK_CRYPTO_NS: |
| case CLK_CRYPTO_NS_RNG: |
| case CLK_CRYPTO_NS_CORE: |
| case CLK_CRYPTO_NS_PKA: |
| rate = rk3568_crypto_get_rate(priv, clk->id); |
| break; |
| case CPLL_500M: |
| case CPLL_333M: |
| case CPLL_250M: |
| case CPLL_125M: |
| case CPLL_100M: |
| case CPLL_62P5M: |
| case CPLL_50M: |
| case CPLL_25M: |
| rate = rk3568_cpll_div_get_rate(priv, clk->id); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| }; |
| |
| static ulong rk3568_clk_set_rate(struct clk *clk, ulong rate) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| ulong ret = 0; |
| |
| if (!priv->gpll_hz) { |
| printf("%s gpll=%lu\n", __func__, priv->gpll_hz); |
| return -ENOENT; |
| } |
| |
| switch (clk->id) { |
| case PLL_APLL: |
| case ARMCLK: |
| if (priv->armclk_hz) |
| rk3568_armclk_set_clk(priv, rate); |
| priv->armclk_hz = rate; |
| break; |
| case PLL_CPLL: |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[CPLL], priv->cru, |
| CPLL, rate); |
| priv->cpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[CPLL], |
| priv->cru, CPLL); |
| break; |
| case PLL_GPLL: |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[GPLL], priv->cru, |
| GPLL, rate); |
| priv->gpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[GPLL], |
| priv->cru, GPLL); |
| break; |
| case PLL_NPLL: |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[NPLL], priv->cru, |
| NPLL, rate); |
| break; |
| case PLL_VPLL: |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[VPLL], priv->cru, |
| VPLL, rate); |
| priv->vpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL], |
| priv->cru, |
| VPLL); |
| break; |
| case ACLK_BUS: |
| case PCLK_BUS: |
| case PCLK_WDT_NS: |
| ret = rk3568_bus_set_clk(priv, clk->id, rate); |
| break; |
| case ACLK_PERIMID: |
| case HCLK_PERIMID: |
| ret = rk3568_perimid_set_clk(priv, clk->id, rate); |
| break; |
| case ACLK_TOP_HIGH: |
| case ACLK_TOP_LOW: |
| case HCLK_TOP: |
| case PCLK_TOP: |
| ret = rk3568_top_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_I2C1: |
| case CLK_I2C2: |
| case CLK_I2C3: |
| case CLK_I2C4: |
| case CLK_I2C5: |
| ret = rk3568_i2c_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_SPI0: |
| case CLK_SPI1: |
| case CLK_SPI2: |
| case CLK_SPI3: |
| ret = rk3568_spi_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_PWM1: |
| case CLK_PWM2: |
| case CLK_PWM3: |
| ret = rk3568_pwm_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_SARADC: |
| case CLK_TSADC_TSEN: |
| case CLK_TSADC: |
| ret = rk3568_adc_set_clk(priv, clk->id, rate); |
| break; |
| case HCLK_SDMMC0: |
| case CLK_SDMMC0: |
| case CLK_SDMMC1: |
| case CLK_SDMMC2: |
| ret = rk3568_sdmmc_set_clk(priv, clk->id, rate); |
| break; |
| case SCLK_SFC: |
| ret = rk3568_sfc_set_clk(priv, rate); |
| break; |
| case NCLK_NANDC: |
| ret = rk3568_nand_set_clk(priv, rate); |
| break; |
| case CCLK_EMMC: |
| ret = rk3568_emmc_set_clk(priv, rate); |
| break; |
| case BCLK_EMMC: |
| ret = rk3568_emmc_set_bclk(priv, rate); |
| break; |
| case CLK_USB3OTG0_REF: |
| case CLK_USB3OTG1_REF: |
| case TCLK_EMMC: |
| ret = OSC_HZ; |
| break; |
| #ifndef CONFIG_XPL_BUILD |
| case ACLK_VOP: |
| ret = rk3568_aclk_vop_set_clk(priv, rate); |
| break; |
| case DCLK_VOP0: |
| case DCLK_VOP1: |
| case DCLK_VOP2: |
| ret = rk3568_dclk_vop_set_clk(priv, clk->id, rate); |
| break; |
| case SCLK_GMAC0: |
| case CLK_MAC0_2TOP: |
| case CLK_MAC0_REFOUT: |
| ret = rk3568_gmac_src_set_clk(priv, 0, rate); |
| break; |
| case CLK_MAC0_OUT: |
| ret = rk3568_gmac_out_set_clk(priv, 0, rate); |
| break; |
| case SCLK_GMAC0_RX_TX: |
| ret = rk3568_gmac_tx_rx_set_clk(priv, 0, rate); |
| break; |
| case CLK_GMAC0_PTP_REF: |
| ret = rk3568_gmac_ptp_ref_set_clk(priv, 0, rate); |
| break; |
| case SCLK_GMAC1: |
| case CLK_MAC1_2TOP: |
| case CLK_MAC1_REFOUT: |
| ret = rk3568_gmac_src_set_clk(priv, 1, rate); |
| break; |
| case CLK_MAC1_OUT: |
| ret = rk3568_gmac_out_set_clk(priv, 1, rate); |
| break; |
| case SCLK_GMAC1_RX_TX: |
| ret = rk3568_gmac_tx_rx_set_clk(priv, 1, rate); |
| break; |
| case CLK_GMAC1_PTP_REF: |
| ret = rk3568_gmac_ptp_ref_set_clk(priv, 1, rate); |
| break; |
| case DCLK_EBC: |
| ret = rk3568_ebc_set_clk(priv, rate); |
| break; |
| case ACLK_RKVDEC_PRE: |
| case ACLK_RKVDEC: |
| case CLK_RKVDEC_CORE: |
| ret = rk3568_rkvdec_set_clk(priv, clk->id, rate); |
| break; |
| case TCLK_WDT_NS: |
| ret = OSC_HZ; |
| break; |
| #endif |
| case SCLK_UART1: |
| case SCLK_UART2: |
| case SCLK_UART3: |
| case SCLK_UART4: |
| case SCLK_UART5: |
| case SCLK_UART6: |
| case SCLK_UART7: |
| case SCLK_UART8: |
| case SCLK_UART9: |
| ret = rk3568_uart_set_rate(priv, clk->id, rate); |
| break; |
| case ACLK_SECURE_FLASH: |
| case ACLK_CRYPTO_NS: |
| case HCLK_SECURE_FLASH: |
| case HCLK_CRYPTO_NS: |
| case CLK_CRYPTO_NS_RNG: |
| case CLK_CRYPTO_NS_CORE: |
| case CLK_CRYPTO_NS_PKA: |
| ret = rk3568_crypto_set_rate(priv, clk->id, rate); |
| break; |
| case CPLL_500M: |
| case CPLL_333M: |
| case CPLL_250M: |
| case CPLL_125M: |
| case CPLL_100M: |
| case CPLL_62P5M: |
| case CPLL_50M: |
| case CPLL_25M: |
| ret = rk3568_cpll_div_set_rate(priv, clk->id, rate); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return ret; |
| }; |
| |
| #if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA)) |
| static int rk3568_gmac0_src_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_cru *cru = priv->cru; |
| |
| if (parent->id == CLK_MAC0_2TOP) |
| rk_clrsetreg(&cru->clksel_con[31], |
| RMII0_EXTCLK_SEL_MASK, |
| RMII0_EXTCLK_SEL_MAC0_TOP << |
| RMII0_EXTCLK_SEL_SHIFT); |
| else |
| rk_clrsetreg(&cru->clksel_con[31], |
| RMII0_EXTCLK_SEL_MASK, |
| RMII0_EXTCLK_SEL_IO << RMII0_EXTCLK_SEL_SHIFT); |
| return 0; |
| } |
| |
| static int rk3568_gmac1_src_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_cru *cru = priv->cru; |
| |
| if (parent->id == CLK_MAC1_2TOP) |
| rk_clrsetreg(&cru->clksel_con[33], |
| RMII0_EXTCLK_SEL_MASK, |
| RMII0_EXTCLK_SEL_MAC0_TOP << |
| RMII0_EXTCLK_SEL_SHIFT); |
| else |
| rk_clrsetreg(&cru->clksel_con[33], |
| RMII0_EXTCLK_SEL_MASK, |
| RMII0_EXTCLK_SEL_IO << RMII0_EXTCLK_SEL_SHIFT); |
| return 0; |
| } |
| |
| static int rk3568_gmac0_tx_rx_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_cru *cru = priv->cru; |
| |
| if (parent->id == SCLK_GMAC0_RGMII_SPEED) |
| rk_clrsetreg(&cru->clksel_con[31], |
| RMII0_MODE_MASK, |
| RMII0_MODE_SEL_RGMII << RMII0_MODE_SHIFT); |
| else if (parent->id == SCLK_GMAC0_RMII_SPEED) |
| rk_clrsetreg(&cru->clksel_con[31], |
| RMII0_MODE_MASK, |
| RMII0_MODE_SEL_RMII << RMII0_MODE_SHIFT); |
| else |
| rk_clrsetreg(&cru->clksel_con[31], |
| RMII0_MODE_MASK, |
| RMII0_MODE_SEL_GMII << RMII0_MODE_SHIFT); |
| |
| return 0; |
| } |
| |
| static int rk3568_gmac1_tx_rx_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_cru *cru = priv->cru; |
| |
| if (parent->id == SCLK_GMAC1_RGMII_SPEED) |
| rk_clrsetreg(&cru->clksel_con[33], |
| RMII0_MODE_MASK, |
| RMII0_MODE_SEL_RGMII << RMII0_MODE_SHIFT); |
| else if (parent->id == SCLK_GMAC1_RMII_SPEED) |
| rk_clrsetreg(&cru->clksel_con[33], |
| RMII0_MODE_MASK, |
| RMII0_MODE_SEL_RMII << RMII0_MODE_SHIFT); |
| else |
| rk_clrsetreg(&cru->clksel_con[33], |
| RMII0_MODE_MASK, |
| RMII0_MODE_SEL_GMII << RMII0_MODE_SHIFT); |
| |
| return 0; |
| } |
| |
| static int rk3568_dclk_vop_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_cru *cru = priv->cru; |
| u32 con_id; |
| |
| switch (clk->id) { |
| case DCLK_VOP0: |
| con_id = 39; |
| break; |
| case DCLK_VOP1: |
| con_id = 40; |
| break; |
| case DCLK_VOP2: |
| con_id = 41; |
| break; |
| default: |
| return -EINVAL; |
| } |
| if (parent->id == PLL_VPLL) { |
| rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK, |
| DCLK_VOP_SEL_VPLL << DCLK0_VOP_SEL_SHIFT); |
| } else if (parent->id == PLL_HPLL) { |
| rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK, |
| DCLK_VOP_SEL_HPLL << DCLK0_VOP_SEL_SHIFT); |
| } else if (parent->id == PLL_CPLL) { |
| rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK, |
| DCLK_VOP_SEL_CPLL << DCLK0_VOP_SEL_SHIFT); |
| } else { |
| rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK, |
| DCLK_VOP_SEL_GPLL << DCLK0_VOP_SEL_SHIFT); |
| } |
| |
| return 0; |
| } |
| |
| static int rk3568_rkvdec_set_parent(struct clk *clk, struct clk *parent) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3568_cru *cru = priv->cru; |
| u32 con_id, mask, shift; |
| |
| switch (clk->id) { |
| case ACLK_RKVDEC_PRE: |
| con_id = 47; |
| mask = ACLK_RKVDEC_SEL_MASK; |
| shift = ACLK_RKVDEC_SEL_SHIFT; |
| break; |
| case CLK_RKVDEC_CORE: |
| con_id = 49; |
| mask = CLK_RKVDEC_CORE_SEL_MASK; |
| shift = CLK_RKVDEC_CORE_SEL_SHIFT; |
| break; |
| default: |
| return -EINVAL; |
| } |
| if (parent->id == PLL_CPLL) { |
| rk_clrsetreg(&cru->clksel_con[con_id], mask, |
| ACLK_RKVDEC_SEL_CPLL << shift); |
| } else { |
| rk_clrsetreg(&cru->clksel_con[con_id], mask, |
| ACLK_RKVDEC_SEL_GPLL << shift); |
| } |
| |
| return 0; |
| } |
| |
| static int rk3568_clk_set_parent(struct clk *clk, struct clk *parent) |
| { |
| switch (clk->id) { |
| case SCLK_GMAC0: |
| return rk3568_gmac0_src_set_parent(clk, parent); |
| case SCLK_GMAC1: |
| return rk3568_gmac1_src_set_parent(clk, parent); |
| case SCLK_GMAC0_RX_TX: |
| return rk3568_gmac0_tx_rx_set_parent(clk, parent); |
| case SCLK_GMAC1_RX_TX: |
| return rk3568_gmac1_tx_rx_set_parent(clk, parent); |
| case DCLK_VOP0: |
| case DCLK_VOP1: |
| case DCLK_VOP2: |
| return rk3568_dclk_vop_set_parent(clk, parent); |
| case ACLK_RKVDEC_PRE: |
| case CLK_RKVDEC_CORE: |
| return rk3568_rkvdec_set_parent(clk, parent); |
| case I2S1_MCLKOUT_TX: |
| case SCLK_GMAC0_RGMII_SPEED: |
| case SCLK_GMAC0_RMII_SPEED: |
| case SCLK_GMAC1_RGMII_SPEED: |
| case SCLK_GMAC1_RMII_SPEED: |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static struct clk_ops rk3568_clk_ops = { |
| .get_rate = rk3568_clk_get_rate, |
| .set_rate = rk3568_clk_set_rate, |
| #if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA)) |
| .set_parent = rk3568_clk_set_parent, |
| #endif |
| }; |
| |
| static void rk3568_clk_init(struct rk3568_clk_priv *priv) |
| { |
| int ret; |
| |
| priv->sync_kernel = false; |
| if (!priv->armclk_enter_hz) { |
| priv->armclk_enter_hz = |
| rockchip_pll_get_rate(&rk3568_pll_clks[APLL], |
| priv->cru, APLL); |
| priv->armclk_init_hz = priv->armclk_enter_hz; |
| } |
| |
| if (priv->armclk_init_hz != APLL_HZ) { |
| ret = rk3568_armclk_set_clk(priv, APLL_HZ); |
| if (!ret) |
| priv->armclk_init_hz = APLL_HZ; |
| } |
| if (priv->cpll_hz != CPLL_HZ) { |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[CPLL], priv->cru, |
| CPLL, CPLL_HZ); |
| if (!ret) |
| priv->cpll_hz = CPLL_HZ; |
| } |
| if (priv->gpll_hz != GPLL_HZ) { |
| ret = rockchip_pll_set_rate(&rk3568_pll_clks[GPLL], priv->cru, |
| GPLL, GPLL_HZ); |
| if (!ret) |
| priv->gpll_hz = GPLL_HZ; |
| } |
| |
| #ifdef CONFIG_XPL_BUILD |
| ret = rk3568_bus_set_clk(priv, ACLK_BUS, 150000000); |
| if (ret < 0) |
| printf("Fail to set the ACLK_BUS clock.\n"); |
| #endif |
| |
| priv->ppll_hz = rk3568_pmu_pll_get_rate(priv, PPLL); |
| priv->hpll_hz = rk3568_pmu_pll_get_rate(priv, HPLL); |
| } |
| |
| static int rk3568_clk_probe(struct udevice *dev) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(dev); |
| int ret; |
| |
| priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| if (IS_ERR(priv->grf)) |
| return PTR_ERR(priv->grf); |
| |
| rk3568_clk_init(priv); |
| |
| /* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */ |
| ret = clk_set_defaults(dev, 1); |
| if (ret) |
| debug("%s clk_set_defaults failed %d\n", __func__, ret); |
| else |
| priv->sync_kernel = true; |
| |
| return 0; |
| } |
| |
| static int rk3568_clk_ofdata_to_platdata(struct udevice *dev) |
| { |
| struct rk3568_clk_priv *priv = dev_get_priv(dev); |
| |
| priv->cru = dev_read_addr_ptr(dev); |
| |
| return 0; |
| } |
| |
| static int rk3568_clk_bind(struct udevice *dev) |
| { |
| int ret; |
| struct udevice *sys_child; |
| struct sysreset_reg *priv; |
| |
| /* The reset driver does not have a device node, so bind it here */ |
| ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset", |
| &sys_child); |
| if (ret) { |
| debug("Warning: No sysreset driver: ret=%d\n", ret); |
| } else { |
| priv = malloc(sizeof(struct sysreset_reg)); |
| priv->glb_srst_fst_value = offsetof(struct rk3568_cru, |
| glb_srst_fst); |
| priv->glb_srst_snd_value = offsetof(struct rk3568_cru, |
| glb_srsr_snd); |
| dev_set_priv(sys_child, priv); |
| } |
| |
| #if CONFIG_IS_ENABLED(RESET_ROCKCHIP) |
| ret = offsetof(struct rk3568_cru, softrst_con[0]); |
| ret = rockchip_reset_bind(dev, ret, 30); |
| if (ret) |
| debug("Warning: software reset driver bind failed\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| static const struct udevice_id rk3568_clk_ids[] = { |
| { .compatible = "rockchip,rk3568-cru" }, |
| { } |
| }; |
| |
| U_BOOT_DRIVER(rockchip_rk3568_cru) = { |
| .name = "rockchip_rk3568_cru", |
| .id = UCLASS_CLK, |
| .of_match = rk3568_clk_ids, |
| .priv_auto = sizeof(struct rk3568_clk_priv), |
| .of_to_plat = rk3568_clk_ofdata_to_platdata, |
| .ops = &rk3568_clk_ops, |
| .bind = rk3568_clk_bind, |
| .probe = rk3568_clk_probe, |
| #if CONFIG_IS_ENABLED(OF_PLATDATA) |
| .plat_auto = sizeof(struct rk3568_clk_plat), |
| #endif |
| }; |