| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2021 Fuzhou Rockchip Electronics Co., Ltd |
| * Author: Elaine Zhang <zhangqing@rock-chips.com> |
| */ |
| |
| #include <common.h> |
| #include <bitfield.h> |
| #include <clk-uclass.h> |
| #include <dm.h> |
| #include <errno.h> |
| #include <scmi_protocols.h> |
| #include <syscon.h> |
| #include <asm/arch-rockchip/cru_rk3588.h> |
| #include <asm/arch-rockchip/clock.h> |
| #include <asm/arch-rockchip/hardware.h> |
| #include <asm/io.h> |
| #include <dm/device-internal.h> |
| #include <dm/lists.h> |
| #include <dt-bindings/clock/rockchip,rk3588-cru.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1)) |
| |
| static struct rockchip_pll_rate_table rk3588_pll_rates[] = { |
| /* _mhz, _p, _m, _s, _k */ |
| RK3588_PLL_RATE(1500000000, 2, 250, 1, 0), |
| RK3588_PLL_RATE(1200000000, 2, 200, 1, 0), |
| RK3588_PLL_RATE(1188000000, 2, 198, 1, 0), |
| RK3588_PLL_RATE(1100000000, 3, 550, 2, 0), |
| RK3588_PLL_RATE(1008000000, 2, 336, 2, 0), |
| RK3588_PLL_RATE(1000000000, 3, 500, 2, 0), |
| RK3588_PLL_RATE(900000000, 2, 300, 2, 0), |
| RK3588_PLL_RATE(850000000, 3, 425, 2, 0), |
| RK3588_PLL_RATE(816000000, 2, 272, 2, 0), |
| RK3588_PLL_RATE(786432000, 2, 262, 2, 9437), |
| RK3588_PLL_RATE(786000000, 1, 131, 2, 0), |
| RK3588_PLL_RATE(742500000, 4, 495, 2, 0), |
| RK3588_PLL_RATE(722534400, 8, 963, 2, 24850), |
| RK3588_PLL_RATE(600000000, 2, 200, 2, 0), |
| RK3588_PLL_RATE(594000000, 2, 198, 2, 0), |
| RK3588_PLL_RATE(200000000, 3, 400, 4, 0), |
| RK3588_PLL_RATE(100000000, 3, 400, 5, 0), |
| { /* sentinel */ }, |
| }; |
| |
| static struct rockchip_pll_clock rk3588_pll_clks[] = { |
| [B0PLL] = PLL(pll_rk3588, PLL_B0PLL, RK3588_B0_PLL_CON(0), |
| RK3588_B0_PLL_MODE_CON, 0, 15, 0, |
| rk3588_pll_rates), |
| [B1PLL] = PLL(pll_rk3588, PLL_B1PLL, RK3588_B1_PLL_CON(8), |
| RK3588_B1_PLL_MODE_CON, 0, 15, 0, |
| rk3588_pll_rates), |
| [LPLL] = PLL(pll_rk3588, PLL_LPLL, RK3588_LPLL_CON(16), |
| RK3588_LPLL_MODE_CON, 0, 15, 0, rk3588_pll_rates), |
| [V0PLL] = PLL(pll_rk3588, PLL_V0PLL, RK3588_PLL_CON(88), |
| RK3588_MODE_CON0, 4, 15, 0, rk3588_pll_rates), |
| [AUPLL] = PLL(pll_rk3588, PLL_AUPLL, RK3588_PLL_CON(96), |
| RK3588_MODE_CON0, 6, 15, 0, rk3588_pll_rates), |
| [CPLL] = PLL(pll_rk3588, PLL_CPLL, RK3588_PLL_CON(104), |
| RK3588_MODE_CON0, 8, 15, 0, rk3588_pll_rates), |
| [GPLL] = PLL(pll_rk3588, PLL_GPLL, RK3588_PLL_CON(112), |
| RK3588_MODE_CON0, 2, 15, 0, rk3588_pll_rates), |
| [NPLL] = PLL(pll_rk3588, PLL_NPLL, RK3588_PLL_CON(120), |
| RK3588_MODE_CON0, 0, 15, 0, rk3588_pll_rates), |
| [PPLL] = PLL(pll_rk3588, PLL_PPLL, RK3588_PMU_PLL_CON(128), |
| RK3588_MODE_CON0, 10, 15, 0, rk3588_pll_rates), |
| }; |
| |
| #ifndef CONFIG_SPL_BUILD |
| /* |
| * |
| * 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; |
| } |
| #endif |
| |
| static ulong rk3588_center_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 con, sel, rate; |
| |
| switch (clk_id) { |
| case ACLK_CENTER_ROOT: |
| con = readl(&cru->clksel_con[165]); |
| sel = (con & ACLK_CENTER_ROOT_SEL_MASK) >> |
| ACLK_CENTER_ROOT_SEL_SHIFT; |
| if (sel == ACLK_CENTER_ROOT_SEL_700M) |
| rate = 702 * MHz; |
| else if (sel == ACLK_CENTER_ROOT_SEL_400M) |
| rate = 396 * MHz; |
| else if (sel == ACLK_CENTER_ROOT_SEL_200M) |
| rate = 200 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case ACLK_CENTER_LOW_ROOT: |
| con = readl(&cru->clksel_con[165]); |
| sel = (con & ACLK_CENTER_LOW_ROOT_SEL_MASK) >> |
| ACLK_CENTER_LOW_ROOT_SEL_SHIFT; |
| if (sel == ACLK_CENTER_LOW_ROOT_SEL_500M) |
| rate = 500 * MHz; |
| else if (sel == ACLK_CENTER_LOW_ROOT_SEL_250M) |
| rate = 250 * MHz; |
| else if (sel == ACLK_CENTER_LOW_ROOT_SEL_100M) |
| rate = 100 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case HCLK_CENTER_ROOT: |
| con = readl(&cru->clksel_con[165]); |
| sel = (con & HCLK_CENTER_ROOT_SEL_MASK) >> |
| HCLK_CENTER_ROOT_SEL_SHIFT; |
| if (sel == HCLK_CENTER_ROOT_SEL_400M) |
| rate = 396 * MHz; |
| else if (sel == HCLK_CENTER_ROOT_SEL_200M) |
| rate = 200 * MHz; |
| else if (sel == HCLK_CENTER_ROOT_SEL_100M) |
| rate = 100 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| case PCLK_CENTER_ROOT: |
| con = readl(&cru->clksel_con[165]); |
| sel = (con & PCLK_CENTER_ROOT_SEL_MASK) >> |
| PCLK_CENTER_ROOT_SEL_SHIFT; |
| if (sel == PCLK_CENTER_ROOT_SEL_200M) |
| rate = 200 * MHz; |
| else if (sel == PCLK_CENTER_ROOT_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == PCLK_CENTER_ROOT_SEL_50M) |
| rate = 50 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3588_center_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk; |
| |
| switch (clk_id) { |
| case ACLK_CENTER_ROOT: |
| if (rate >= 700 * MHz) |
| src_clk = ACLK_CENTER_ROOT_SEL_700M; |
| else if (rate >= 396 * MHz) |
| src_clk = ACLK_CENTER_ROOT_SEL_400M; |
| else if (rate >= 200 * MHz) |
| src_clk = ACLK_CENTER_ROOT_SEL_200M; |
| else |
| src_clk = ACLK_CENTER_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[165], |
| ACLK_CENTER_ROOT_SEL_MASK, |
| src_clk << ACLK_CENTER_ROOT_SEL_SHIFT); |
| break; |
| case ACLK_CENTER_LOW_ROOT: |
| if (rate >= 500 * MHz) |
| src_clk = ACLK_CENTER_LOW_ROOT_SEL_500M; |
| else if (rate >= 250 * MHz) |
| src_clk = ACLK_CENTER_LOW_ROOT_SEL_250M; |
| else if (rate >= 99 * MHz) |
| src_clk = ACLK_CENTER_LOW_ROOT_SEL_100M; |
| else |
| src_clk = ACLK_CENTER_LOW_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[165], |
| ACLK_CENTER_LOW_ROOT_SEL_MASK, |
| src_clk << ACLK_CENTER_LOW_ROOT_SEL_SHIFT); |
| break; |
| case HCLK_CENTER_ROOT: |
| if (rate >= 396 * MHz) |
| src_clk = HCLK_CENTER_ROOT_SEL_400M; |
| else if (rate >= 198 * MHz) |
| src_clk = HCLK_CENTER_ROOT_SEL_200M; |
| else if (rate >= 99 * MHz) |
| src_clk = HCLK_CENTER_ROOT_SEL_100M; |
| else |
| src_clk = HCLK_CENTER_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[165], |
| HCLK_CENTER_ROOT_SEL_MASK, |
| src_clk << HCLK_CENTER_ROOT_SEL_SHIFT); |
| break; |
| case PCLK_CENTER_ROOT: |
| if (rate >= 198 * MHz) |
| src_clk = PCLK_CENTER_ROOT_SEL_200M; |
| else if (rate >= 99 * MHz) |
| src_clk = PCLK_CENTER_ROOT_SEL_100M; |
| else if (rate >= 50 * MHz) |
| src_clk = PCLK_CENTER_ROOT_SEL_50M; |
| else |
| src_clk = PCLK_CENTER_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[165], |
| PCLK_CENTER_ROOT_SEL_MASK, |
| src_clk << PCLK_CENTER_ROOT_SEL_SHIFT); |
| break; |
| default: |
| printf("do not support this center freq\n"); |
| return -EINVAL; |
| } |
| |
| return rk3588_center_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_top_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 con, sel, div, rate, prate; |
| |
| switch (clk_id) { |
| case ACLK_TOP_ROOT: |
| con = readl(&cru->clksel_con[8]); |
| div = (con & ACLK_TOP_ROOT_DIV_MASK) >> |
| ACLK_TOP_ROOT_DIV_SHIFT; |
| sel = (con & ACLK_TOP_ROOT_SRC_SEL_MASK) >> |
| ACLK_TOP_ROOT_SRC_SEL_SHIFT; |
| if (sel == ACLK_TOP_ROOT_SRC_SEL_CPLL) |
| prate = priv->cpll_hz; |
| else |
| prate = priv->gpll_hz; |
| return DIV_TO_RATE(prate, div); |
| case ACLK_LOW_TOP_ROOT: |
| con = readl(&cru->clksel_con[8]); |
| div = (con & ACLK_LOW_TOP_ROOT_DIV_MASK) >> |
| ACLK_LOW_TOP_ROOT_DIV_SHIFT; |
| sel = (con & ACLK_LOW_TOP_ROOT_SRC_SEL_MASK) >> |
| ACLK_LOW_TOP_ROOT_SRC_SEL_SHIFT; |
| if (sel == ACLK_LOW_TOP_ROOT_SRC_SEL_CPLL) |
| prate = priv->cpll_hz; |
| else |
| prate = priv->gpll_hz; |
| return DIV_TO_RATE(prate, div); |
| case PCLK_TOP_ROOT: |
| con = readl(&cru->clksel_con[8]); |
| sel = (con & PCLK_TOP_ROOT_SEL_MASK) >> PCLK_TOP_ROOT_SEL_SHIFT; |
| if (sel == PCLK_TOP_ROOT_SEL_100M) |
| rate = 100 * MHz; |
| else if (sel == PCLK_TOP_ROOT_SEL_50M) |
| rate = 50 * MHz; |
| else |
| rate = OSC_HZ; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| } |
| |
| static ulong rk3588_top_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk, src_clk_div; |
| |
| switch (clk_id) { |
| case ACLK_TOP_ROOT: |
| if (!(priv->cpll_hz % rate)) { |
| src_clk = ACLK_TOP_ROOT_SRC_SEL_CPLL; |
| src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| } else { |
| src_clk = ACLK_TOP_ROOT_SRC_SEL_GPLL; |
| src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } |
| assert(src_clk_div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[8], |
| ACLK_TOP_ROOT_DIV_MASK | |
| ACLK_TOP_ROOT_SRC_SEL_MASK, |
| (src_clk << |
| ACLK_TOP_ROOT_SRC_SEL_SHIFT) | |
| (src_clk_div - 1) << ACLK_TOP_ROOT_DIV_SHIFT); |
| break; |
| case ACLK_LOW_TOP_ROOT: |
| src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| assert(src_clk_div - 1 <= 31); |
| rk_clrsetreg(&cru->clksel_con[8], |
| ACLK_LOW_TOP_ROOT_DIV_MASK | |
| ACLK_LOW_TOP_ROOT_SRC_SEL_MASK, |
| (ACLK_LOW_TOP_ROOT_SRC_SEL_GPLL << |
| ACLK_LOW_TOP_ROOT_SRC_SEL_SHIFT) | |
| (src_clk_div - 1) << ACLK_LOW_TOP_ROOT_DIV_SHIFT); |
| break; |
| case PCLK_TOP_ROOT: |
| if (rate == 100 * MHz) |
| src_clk = PCLK_TOP_ROOT_SEL_100M; |
| else if (rate == 50 * MHz) |
| src_clk = PCLK_TOP_ROOT_SEL_50M; |
| else |
| src_clk = PCLK_TOP_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[8], |
| PCLK_TOP_ROOT_SEL_MASK, |
| src_clk << PCLK_TOP_ROOT_SEL_SHIFT); |
| break; |
| default: |
| printf("do not support this top freq\n"); |
| return -EINVAL; |
| } |
| |
| return rk3588_top_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_i2c_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 sel, con; |
| ulong rate; |
| |
| switch (clk_id) { |
| case CLK_I2C0: |
| con = readl(&cru->pmuclksel_con[3]); |
| sel = (con & CLK_I2C0_SEL_MASK) >> CLK_I2C0_SEL_SHIFT; |
| break; |
| case CLK_I2C1: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C1_SEL_MASK) >> CLK_I2C1_SEL_SHIFT; |
| break; |
| case CLK_I2C2: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C2_SEL_MASK) >> CLK_I2C2_SEL_SHIFT; |
| break; |
| case CLK_I2C3: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C3_SEL_MASK) >> CLK_I2C3_SEL_SHIFT; |
| break; |
| case CLK_I2C4: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C4_SEL_MASK) >> CLK_I2C4_SEL_SHIFT; |
| break; |
| case CLK_I2C5: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C5_SEL_MASK) >> CLK_I2C5_SEL_SHIFT; |
| break; |
| case CLK_I2C6: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C6_SEL_MASK) >> CLK_I2C6_SEL_SHIFT; |
| break; |
| case CLK_I2C7: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C7_SEL_MASK) >> CLK_I2C7_SEL_SHIFT; |
| break; |
| case CLK_I2C8: |
| con = readl(&cru->clksel_con[38]); |
| sel = (con & CLK_I2C8_SEL_MASK) >> CLK_I2C8_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| if (sel == CLK_I2C_SEL_200M) |
| rate = 200 * MHz; |
| else |
| rate = 100 * MHz; |
| |
| return rate; |
| } |
| |
| static ulong rk3588_i2c_set_clk(struct rk3588_clk_priv *priv, ulong clk_id, |
| ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate >= 198 * MHz) |
| src_clk = CLK_I2C_SEL_200M; |
| else |
| src_clk = CLK_I2C_SEL_100M; |
| |
| switch (clk_id) { |
| case CLK_I2C0: |
| rk_clrsetreg(&cru->pmuclksel_con[3], CLK_I2C0_SEL_MASK, |
| src_clk << CLK_I2C0_SEL_SHIFT); |
| break; |
| case CLK_I2C1: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C1_SEL_MASK, |
| src_clk << CLK_I2C1_SEL_SHIFT); |
| break; |
| case CLK_I2C2: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C2_SEL_MASK, |
| src_clk << CLK_I2C2_SEL_SHIFT); |
| break; |
| case CLK_I2C3: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C3_SEL_MASK, |
| src_clk << CLK_I2C3_SEL_SHIFT); |
| break; |
| case CLK_I2C4: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C4_SEL_MASK, |
| src_clk << CLK_I2C4_SEL_SHIFT); |
| break; |
| case CLK_I2C5: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C5_SEL_MASK, |
| src_clk << CLK_I2C5_SEL_SHIFT); |
| break; |
| case CLK_I2C6: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C6_SEL_MASK, |
| src_clk << CLK_I2C6_SEL_SHIFT); |
| break; |
| case CLK_I2C7: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C7_SEL_MASK, |
| src_clk << CLK_I2C7_SEL_SHIFT); |
| break; |
| case CLK_I2C8: |
| rk_clrsetreg(&cru->clksel_con[38], CLK_I2C8_SEL_MASK, |
| src_clk << CLK_I2C8_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_i2c_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_spi_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| con = readl(&cru->clksel_con[59]); |
| |
| 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; |
| case CLK_SPI4: |
| sel = (con & CLK_SPI4_SEL_MASK) >> CLK_SPI4_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (sel) { |
| case CLK_SPI_SEL_200M: |
| return 200 * MHz; |
| case CLK_SPI_SEL_150M: |
| return 150 * MHz; |
| case CLK_SPI_SEL_24M: |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_spi_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate >= 198 * MHz) |
| src_clk = CLK_SPI_SEL_200M; |
| else if (rate >= 140 * MHz) |
| src_clk = CLK_SPI_SEL_150M; |
| else |
| src_clk = CLK_SPI_SEL_24M; |
| |
| switch (clk_id) { |
| case CLK_SPI0: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_SPI0_SEL_MASK, |
| src_clk << CLK_SPI0_SEL_SHIFT); |
| break; |
| case CLK_SPI1: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_SPI1_SEL_MASK, |
| src_clk << CLK_SPI1_SEL_SHIFT); |
| break; |
| case CLK_SPI2: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_SPI2_SEL_MASK, |
| src_clk << CLK_SPI2_SEL_SHIFT); |
| break; |
| case CLK_SPI3: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_SPI3_SEL_MASK, |
| src_clk << CLK_SPI3_SEL_SHIFT); |
| break; |
| case CLK_SPI4: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_SPI4_SEL_MASK, |
| src_clk << CLK_SPI4_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_spi_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_pwm_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 sel, con; |
| |
| switch (clk_id) { |
| case CLK_PWM1: |
| con = readl(&cru->clksel_con[59]); |
| sel = (con & CLK_PWM1_SEL_MASK) >> CLK_PWM1_SEL_SHIFT; |
| break; |
| case CLK_PWM2: |
| con = readl(&cru->clksel_con[59]); |
| sel = (con & CLK_PWM2_SEL_MASK) >> CLK_PWM2_SEL_SHIFT; |
| break; |
| case CLK_PWM3: |
| con = readl(&cru->clksel_con[60]); |
| sel = (con & CLK_PWM3_SEL_MASK) >> CLK_PWM3_SEL_SHIFT; |
| break; |
| case CLK_PMU1PWM: |
| con = readl(&cru->pmuclksel_con[2]); |
| sel = (con & CLK_PMU1PWM_SEL_MASK) >> CLK_PMU1PWM_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (sel) { |
| case CLK_PWM_SEL_100M: |
| return 100 * MHz; |
| case CLK_PWM_SEL_50M: |
| return 50 * MHz; |
| case CLK_PWM_SEL_24M: |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_pwm_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk; |
| |
| if (rate >= 99 * MHz) |
| src_clk = CLK_PWM_SEL_100M; |
| else if (rate >= 50 * MHz) |
| src_clk = CLK_PWM_SEL_50M; |
| else |
| src_clk = CLK_PWM_SEL_24M; |
| |
| switch (clk_id) { |
| case CLK_PWM1: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_PWM1_SEL_MASK, |
| src_clk << CLK_PWM1_SEL_SHIFT); |
| break; |
| case CLK_PWM2: |
| rk_clrsetreg(&cru->clksel_con[59], |
| CLK_PWM2_SEL_MASK, |
| src_clk << CLK_PWM2_SEL_SHIFT); |
| break; |
| case CLK_PWM3: |
| rk_clrsetreg(&cru->clksel_con[60], |
| CLK_PWM3_SEL_MASK, |
| src_clk << CLK_PWM3_SEL_SHIFT); |
| break; |
| case CLK_PMU1PWM: |
| rk_clrsetreg(&cru->pmuclksel_con[2], |
| CLK_PMU1PWM_SEL_MASK, |
| src_clk << CLK_PMU1PWM_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_pwm_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_adc_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 div, sel, con, prate; |
| |
| switch (clk_id) { |
| case CLK_SARADC: |
| con = readl(&cru->clksel_con[40]); |
| div = (con & CLK_SARADC_DIV_MASK) >> CLK_SARADC_DIV_SHIFT; |
| sel = (con & CLK_SARADC_SEL_MASK) >> |
| CLK_SARADC_SEL_SHIFT; |
| if (sel == CLK_SARADC_SEL_24M) |
| prate = OSC_HZ; |
| else |
| prate = priv->gpll_hz; |
| return DIV_TO_RATE(prate, div); |
| case CLK_TSADC: |
| con = readl(&cru->clksel_con[41]); |
| div = (con & CLK_TSADC_DIV_MASK) >> |
| CLK_TSADC_DIV_SHIFT; |
| sel = (con & CLK_TSADC_SEL_MASK) >> |
| CLK_TSADC_SEL_SHIFT; |
| if (sel == CLK_TSADC_SEL_24M) |
| prate = OSC_HZ; |
| else |
| prate = 100 * MHz; |
| return DIV_TO_RATE(prate, div); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_adc_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk_div; |
| |
| switch (clk_id) { |
| case CLK_SARADC: |
| if (!(OSC_HZ % rate)) { |
| src_clk_div = DIV_ROUND_UP(OSC_HZ, rate); |
| assert(src_clk_div - 1 <= 255); |
| rk_clrsetreg(&cru->clksel_con[40], |
| CLK_SARADC_SEL_MASK | |
| CLK_SARADC_DIV_MASK, |
| (CLK_SARADC_SEL_24M << |
| CLK_SARADC_SEL_SHIFT) | |
| (src_clk_div - 1) << |
| CLK_SARADC_DIV_SHIFT); |
| } else { |
| src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| assert(src_clk_div - 1 <= 255); |
| rk_clrsetreg(&cru->clksel_con[40], |
| CLK_SARADC_SEL_MASK | |
| CLK_SARADC_DIV_MASK, |
| (CLK_SARADC_SEL_GPLL << |
| CLK_SARADC_SEL_SHIFT) | |
| (src_clk_div - 1) << |
| CLK_SARADC_DIV_SHIFT); |
| } |
| break; |
| case CLK_TSADC: |
| if (!(OSC_HZ % rate)) { |
| src_clk_div = DIV_ROUND_UP(OSC_HZ, rate); |
| assert(src_clk_div - 1 <= 255); |
| rk_clrsetreg(&cru->clksel_con[41], |
| CLK_TSADC_SEL_MASK | |
| CLK_TSADC_DIV_MASK, |
| (CLK_TSADC_SEL_24M << |
| CLK_TSADC_SEL_SHIFT) | |
| (src_clk_div - 1) << |
| CLK_TSADC_DIV_SHIFT); |
| } else { |
| src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| assert(src_clk_div - 1 <= 7); |
| rk_clrsetreg(&cru->clksel_con[41], |
| CLK_TSADC_SEL_MASK | |
| CLK_TSADC_DIV_MASK, |
| (CLK_TSADC_SEL_GPLL << |
| CLK_TSADC_SEL_SHIFT) | |
| (src_clk_div - 1) << |
| CLK_TSADC_DIV_SHIFT); |
| } |
| break; |
| default: |
| return -ENOENT; |
| } |
| return rk3588_adc_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_mmc_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 sel, con, div, prate; |
| |
| switch (clk_id) { |
| case CCLK_SRC_SDIO: |
| con = readl(&cru->clksel_con[172]); |
| div = (con & CCLK_SDIO_SRC_DIV_MASK) >> CCLK_SDIO_SRC_DIV_SHIFT; |
| sel = (con & CCLK_SDIO_SRC_SEL_MASK) >> |
| CCLK_SDIO_SRC_SEL_SHIFT; |
| if (sel == CCLK_SDIO_SRC_SEL_GPLL) |
| prate = priv->gpll_hz; |
| else if (sel == CCLK_SDIO_SRC_SEL_CPLL) |
| prate = priv->cpll_hz; |
| else |
| prate = OSC_HZ; |
| return DIV_TO_RATE(prate, div); |
| case CCLK_EMMC: |
| con = readl(&cru->clksel_con[77]); |
| div = (con & CCLK_EMMC_DIV_MASK) >> CCLK_EMMC_DIV_SHIFT; |
| sel = (con & CCLK_EMMC_SEL_MASK) >> |
| CCLK_EMMC_SEL_SHIFT; |
| if (sel == CCLK_EMMC_SEL_GPLL) |
| prate = priv->gpll_hz; |
| else if (sel == CCLK_EMMC_SEL_CPLL) |
| prate = priv->cpll_hz; |
| else |
| prate = OSC_HZ; |
| return DIV_TO_RATE(prate, div); |
| case BCLK_EMMC: |
| con = readl(&cru->clksel_con[78]); |
| div = (con & BCLK_EMMC_DIV_MASK) >> BCLK_EMMC_DIV_SHIFT; |
| sel = (con & BCLK_EMMC_SEL_MASK) >> |
| BCLK_EMMC_SEL_SHIFT; |
| if (sel == CCLK_EMMC_SEL_CPLL) |
| prate = priv->cpll_hz; |
| else |
| prate = priv->gpll_hz; |
| return DIV_TO_RATE(prate, div); |
| case SCLK_SFC: |
| con = readl(&cru->clksel_con[78]); |
| div = (con & SCLK_SFC_DIV_MASK) >> SCLK_SFC_DIV_SHIFT; |
| sel = (con & SCLK_SFC_SEL_MASK) >> |
| SCLK_SFC_SEL_SHIFT; |
| if (sel == SCLK_SFC_SEL_GPLL) |
| prate = priv->gpll_hz; |
| else if (sel == SCLK_SFC_SEL_CPLL) |
| prate = priv->cpll_hz; |
| else |
| prate = OSC_HZ; |
| return DIV_TO_RATE(prate, div); |
| case DCLK_DECOM: |
| con = readl(&cru->clksel_con[62]); |
| div = (con & DCLK_DECOM_DIV_MASK) >> DCLK_DECOM_DIV_SHIFT; |
| sel = (con & DCLK_DECOM_SEL_MASK) >> |
| DCLK_DECOM_SEL_SHIFT; |
| if (sel == DCLK_DECOM_SEL_SPLL) |
| prate = 702 * MHz; |
| else |
| prate = priv->gpll_hz; |
| return DIV_TO_RATE(prate, div); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_mmc_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk, div; |
| |
| switch (clk_id) { |
| case CCLK_SRC_SDIO: |
| case CCLK_EMMC: |
| case SCLK_SFC: |
| if (!(OSC_HZ % rate)) { |
| src_clk = SCLK_SFC_SEL_24M; |
| div = DIV_ROUND_UP(OSC_HZ, rate); |
| } else if (!(priv->cpll_hz % rate)) { |
| src_clk = SCLK_SFC_SEL_CPLL; |
| div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| } else { |
| src_clk = SCLK_SFC_SEL_GPLL; |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } |
| break; |
| case BCLK_EMMC: |
| if (!(priv->cpll_hz % rate)) { |
| src_clk = CCLK_EMMC_SEL_CPLL; |
| div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| } else { |
| src_clk = CCLK_EMMC_SEL_GPLL; |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } |
| break; |
| case DCLK_DECOM: |
| if (!(702 * MHz % rate)) { |
| src_clk = DCLK_DECOM_SEL_SPLL; |
| div = DIV_ROUND_UP(702 * MHz, rate); |
| } else { |
| src_clk = DCLK_DECOM_SEL_GPLL; |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| switch (clk_id) { |
| case CCLK_SRC_SDIO: |
| rk_clrsetreg(&cru->clksel_con[172], |
| CCLK_SDIO_SRC_SEL_MASK | |
| CCLK_SDIO_SRC_DIV_MASK, |
| (src_clk << CCLK_SDIO_SRC_SEL_SHIFT) | |
| (div - 1) << CCLK_SDIO_SRC_DIV_SHIFT); |
| break; |
| case CCLK_EMMC: |
| rk_clrsetreg(&cru->clksel_con[77], |
| CCLK_EMMC_SEL_MASK | |
| CCLK_EMMC_DIV_MASK, |
| (src_clk << CCLK_EMMC_SEL_SHIFT) | |
| (div - 1) << CCLK_EMMC_DIV_SHIFT); |
| break; |
| case BCLK_EMMC: |
| rk_clrsetreg(&cru->clksel_con[78], |
| BCLK_EMMC_DIV_MASK | |
| BCLK_EMMC_SEL_MASK, |
| (src_clk << BCLK_EMMC_SEL_SHIFT) | |
| (div - 1) << BCLK_EMMC_DIV_SHIFT); |
| break; |
| case SCLK_SFC: |
| rk_clrsetreg(&cru->clksel_con[78], |
| SCLK_SFC_DIV_MASK | |
| SCLK_SFC_SEL_MASK, |
| (src_clk << SCLK_SFC_SEL_SHIFT) | |
| (div - 1) << SCLK_SFC_DIV_SHIFT); |
| break; |
| case DCLK_DECOM: |
| rk_clrsetreg(&cru->clksel_con[62], |
| DCLK_DECOM_DIV_MASK | |
| DCLK_DECOM_SEL_MASK, |
| (src_clk << DCLK_DECOM_SEL_SHIFT) | |
| (div - 1) << DCLK_DECOM_DIV_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_mmc_get_clk(priv, clk_id); |
| } |
| |
| #ifndef CONFIG_SPL_BUILD |
| static ulong rk3588_aux16m_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 div, con, parent; |
| |
| parent = priv->gpll_hz; |
| con = readl(&cru->clksel_con[117]); |
| |
| switch (clk_id) { |
| case CLK_AUX16M_0: |
| div = (con & CLK_AUX16MHZ_0_DIV_MASK) >> CLK_AUX16MHZ_0_DIV_SHIFT; |
| return DIV_TO_RATE(parent, div); |
| case CLK_AUX16M_1: |
| div = (con & CLK_AUX16MHZ_1_DIV_MASK) >> CLK_AUX16MHZ_1_DIV_SHIFT; |
| return DIV_TO_RATE(parent, div); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_aux16m_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 div; |
| |
| if (!priv->gpll_hz) { |
| printf("%s gpll=%lu\n", __func__, priv->gpll_hz); |
| return -ENOENT; |
| } |
| |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| |
| switch (clk_id) { |
| case CLK_AUX16M_0: |
| rk_clrsetreg(&cru->clksel_con[117], CLK_AUX16MHZ_0_DIV_MASK, |
| (div - 1) << CLK_AUX16MHZ_0_DIV_SHIFT); |
| break; |
| case CLK_AUX16M_1: |
| rk_clrsetreg(&cru->clksel_con[117], CLK_AUX16MHZ_1_DIV_MASK, |
| (div - 1) << CLK_AUX16MHZ_1_DIV_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_aux16m_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_aclk_vop_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 div, sel, con, parent; |
| |
| switch (clk_id) { |
| case ACLK_VOP_ROOT: |
| case ACLK_VOP: |
| con = readl(&cru->clksel_con[110]); |
| div = (con & ACLK_VOP_ROOT_DIV_MASK) >> ACLK_VOP_ROOT_DIV_SHIFT; |
| sel = (con & ACLK_VOP_ROOT_SEL_MASK) >> ACLK_VOP_ROOT_SEL_SHIFT; |
| if (sel == ACLK_VOP_ROOT_SEL_GPLL) |
| parent = priv->gpll_hz; |
| else if (sel == ACLK_VOP_ROOT_SEL_CPLL) |
| parent = priv->cpll_hz; |
| else if (sel == ACLK_VOP_ROOT_SEL_AUPLL) |
| parent = priv->aupll_hz; |
| else if (sel == ACLK_VOP_ROOT_SEL_NPLL) |
| parent = priv->npll_hz; |
| else |
| parent = 702 * MHz; |
| return DIV_TO_RATE(parent, div); |
| case ACLK_VOP_LOW_ROOT: |
| con = readl(&cru->clksel_con[110]); |
| sel = (con & ACLK_VOP_LOW_ROOT_SEL_MASK) >> |
| ACLK_VOP_LOW_ROOT_SEL_SHIFT; |
| if (sel == ACLK_VOP_LOW_ROOT_SEL_400M) |
| return 396 * MHz; |
| else if (sel == ACLK_VOP_LOW_ROOT_SEL_200M) |
| return 200 * MHz; |
| else if (sel == ACLK_VOP_LOW_ROOT_SEL_100M) |
| return 100 * MHz; |
| else |
| return OSC_HZ; |
| case HCLK_VOP_ROOT: |
| con = readl(&cru->clksel_con[110]); |
| sel = (con & HCLK_VOP_ROOT_SEL_MASK) >> HCLK_VOP_ROOT_SEL_SHIFT; |
| if (sel == HCLK_VOP_ROOT_SEL_200M) |
| return 200 * MHz; |
| else if (sel == HCLK_VOP_ROOT_SEL_100M) |
| return 100 * MHz; |
| else if (sel == HCLK_VOP_ROOT_SEL_50M) |
| return 50 * MHz; |
| else |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_aclk_vop_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int src_clk, div; |
| |
| switch (clk_id) { |
| case ACLK_VOP_ROOT: |
| case ACLK_VOP: |
| if (rate >= 850 * MHz) { |
| src_clk = ACLK_VOP_ROOT_SEL_NPLL; |
| div = 1; |
| } else if (rate >= 750 * MHz) { |
| src_clk = ACLK_VOP_ROOT_SEL_CPLL; |
| div = 2; |
| } else if (rate >= 700 * MHz) { |
| src_clk = ACLK_VOP_ROOT_SEL_SPLL; |
| div = 1; |
| } else if (!(priv->cpll_hz % rate)) { |
| src_clk = ACLK_VOP_ROOT_SEL_CPLL; |
| div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| } else { |
| src_clk = ACLK_VOP_ROOT_SEL_GPLL; |
| div = DIV_ROUND_UP(priv->gpll_hz, rate); |
| } |
| rk_clrsetreg(&cru->clksel_con[110], |
| ACLK_VOP_ROOT_DIV_MASK | |
| ACLK_VOP_ROOT_SEL_MASK, |
| (src_clk << ACLK_VOP_ROOT_SEL_SHIFT) | |
| (div - 1) << ACLK_VOP_ROOT_DIV_SHIFT); |
| break; |
| case ACLK_VOP_LOW_ROOT: |
| if (rate == 400 * MHz || rate == 396 * MHz) |
| src_clk = ACLK_VOP_LOW_ROOT_SEL_400M; |
| else if (rate == 200 * MHz) |
| src_clk = ACLK_VOP_LOW_ROOT_SEL_200M; |
| else if (rate == 100 * MHz) |
| src_clk = ACLK_VOP_LOW_ROOT_SEL_100M; |
| else |
| src_clk = ACLK_VOP_LOW_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[110], |
| ACLK_VOP_LOW_ROOT_SEL_MASK, |
| src_clk << ACLK_VOP_LOW_ROOT_SEL_SHIFT); |
| break; |
| case HCLK_VOP_ROOT: |
| if (rate == 200 * MHz) |
| src_clk = HCLK_VOP_ROOT_SEL_200M; |
| else if (rate == 100 * MHz) |
| src_clk = HCLK_VOP_ROOT_SEL_100M; |
| else if (rate == 50 * MHz) |
| src_clk = HCLK_VOP_ROOT_SEL_50M; |
| else |
| src_clk = HCLK_VOP_ROOT_SEL_24M; |
| rk_clrsetreg(&cru->clksel_con[110], |
| HCLK_VOP_ROOT_SEL_MASK, |
| src_clk << HCLK_VOP_ROOT_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_aclk_vop_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_dclk_vop_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 div, sel, con, parent; |
| |
| switch (clk_id) { |
| case DCLK_VOP0: |
| case DCLK_VOP0_SRC: |
| con = readl(&cru->clksel_con[111]); |
| div = (con & DCLK0_VOP_SRC_DIV_MASK) >> DCLK0_VOP_SRC_DIV_SHIFT; |
| sel = (con & DCLK0_VOP_SRC_SEL_MASK) >> DCLK0_VOP_SRC_SEL_SHIFT; |
| break; |
| case DCLK_VOP1: |
| case DCLK_VOP1_SRC: |
| con = readl(&cru->clksel_con[111]); |
| div = (con & DCLK1_VOP_SRC_DIV_MASK) >> DCLK1_VOP_SRC_DIV_SHIFT; |
| sel = (con & DCLK1_VOP_SRC_SEL_MASK) >> DCLK1_VOP_SRC_SEL_SHIFT; |
| break; |
| case DCLK_VOP2: |
| case DCLK_VOP2_SRC: |
| con = readl(&cru->clksel_con[112]); |
| div = (con & DCLK2_VOP_SRC_DIV_MASK) >> DCLK2_VOP_SRC_DIV_SHIFT; |
| sel = (con & DCLK2_VOP_SRC_SEL_MASK) >> DCLK2_VOP_SRC_SEL_SHIFT; |
| break; |
| case DCLK_VOP3: |
| con = readl(&cru->clksel_con[113]); |
| div = (con & DCLK3_VOP_SRC_DIV_MASK) >> DCLK3_VOP_SRC_DIV_SHIFT; |
| sel = (con & DCLK3_VOP_SRC_SEL_MASK) >> DCLK3_VOP_SRC_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| if (sel == DCLK_VOP_SRC_SEL_AUPLL) |
| parent = priv->aupll_hz; |
| else if (sel == DCLK_VOP_SRC_SEL_V0PLL) |
| parent = rockchip_pll_get_rate(&rk3588_pll_clks[V0PLL], |
| priv->cru, V0PLL); |
| else if (sel == DCLK_VOP_SRC_SEL_GPLL) |
| parent = priv->gpll_hz; |
| else if (sel == DCLK_VOP_SRC_SEL_CPLL) |
| parent = priv->cpll_hz; |
| else |
| return -ENOENT; |
| |
| return DIV_TO_RATE(parent, div); |
| } |
| |
| #define RK3588_VOP_PLL_LIMIT_FREQ 600000000 |
| |
| static ulong rk3588_dclk_vop_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| ulong pll_rate, now, best_rate = 0; |
| u32 i, conid, con, sel, div, best_div = 0, best_sel = 0; |
| u32 mask, div_shift, sel_shift; |
| |
| switch (clk_id) { |
| case DCLK_VOP0: |
| case DCLK_VOP0_SRC: |
| conid = 111; |
| con = readl(&cru->clksel_con[111]); |
| sel = (con & DCLK0_VOP_SRC_SEL_MASK) >> DCLK0_VOP_SRC_SEL_SHIFT; |
| mask = DCLK0_VOP_SRC_SEL_MASK | DCLK0_VOP_SRC_DIV_MASK; |
| div_shift = DCLK0_VOP_SRC_DIV_SHIFT; |
| sel_shift = DCLK0_VOP_SRC_SEL_SHIFT; |
| break; |
| case DCLK_VOP1: |
| case DCLK_VOP1_SRC: |
| conid = 111; |
| con = readl(&cru->clksel_con[111]); |
| sel = (con & DCLK1_VOP_SRC_SEL_MASK) >> DCLK1_VOP_SRC_SEL_SHIFT; |
| mask = DCLK1_VOP_SRC_SEL_MASK | DCLK1_VOP_SRC_DIV_MASK; |
| div_shift = DCLK1_VOP_SRC_DIV_SHIFT; |
| sel_shift = DCLK1_VOP_SRC_SEL_SHIFT; |
| break; |
| case DCLK_VOP2: |
| case DCLK_VOP2_SRC: |
| conid = 112; |
| con = readl(&cru->clksel_con[112]); |
| sel = (con & DCLK2_VOP_SRC_SEL_MASK) >> DCLK2_VOP_SRC_SEL_SHIFT; |
| mask = DCLK2_VOP_SRC_SEL_MASK | DCLK2_VOP_SRC_DIV_MASK; |
| div_shift = DCLK2_VOP_SRC_DIV_SHIFT; |
| sel_shift = DCLK2_VOP_SRC_SEL_SHIFT; |
| break; |
| case DCLK_VOP3: |
| conid = 113; |
| con = readl(&cru->clksel_con[113]); |
| sel = (con & DCLK3_VOP_SRC_SEL_MASK) >> DCLK3_VOP_SRC_SEL_SHIFT; |
| mask = DCLK3_VOP_SRC_SEL_MASK | DCLK3_VOP_SRC_DIV_MASK; |
| div_shift = DCLK3_VOP_SRC_DIV_SHIFT; |
| sel_shift = DCLK3_VOP_SRC_SEL_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| if (sel == DCLK_VOP_SRC_SEL_V0PLL) { |
| div = DIV_ROUND_UP(RK3588_VOP_PLL_LIMIT_FREQ, rate); |
| rk_clrsetreg(&cru->clksel_con[conid], |
| mask, |
| DCLK_VOP_SRC_SEL_V0PLL << sel_shift | |
| ((div - 1) << div_shift)); |
| rockchip_pll_set_rate(&rk3588_pll_clks[V0PLL], |
| priv->cru, V0PLL, div * rate); |
| } else { |
| for (i = 0; i <= DCLK_VOP_SRC_SEL_AUPLL; i++) { |
| switch (i) { |
| case DCLK_VOP_SRC_SEL_GPLL: |
| pll_rate = priv->gpll_hz; |
| break; |
| case DCLK_VOP_SRC_SEL_CPLL: |
| pll_rate = priv->cpll_hz; |
| break; |
| case DCLK_VOP_SRC_SEL_AUPLL: |
| pll_rate = priv->aupll_hz; |
| break; |
| case DCLK_VOP_SRC_SEL_V0PLL: |
| pll_rate = 0; |
| 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], |
| mask, |
| best_sel << sel_shift | |
| (best_div - 1) << div_shift); |
| } else { |
| printf("do not support this vop freq %lu\n", rate); |
| return -EINVAL; |
| } |
| } |
| return rk3588_dclk_vop_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_gmac_get_clk(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 con, div; |
| |
| switch (clk_id) { |
| case CLK_GMAC0_PTP_REF: |
| con = readl(&cru->clksel_con[81]); |
| div = (con & CLK_GMAC0_PTP_DIV_MASK) >> CLK_GMAC0_PTP_DIV_SHIFT; |
| return DIV_TO_RATE(priv->cpll_hz, div); |
| case CLK_GMAC1_PTP_REF: |
| con = readl(&cru->clksel_con[81]); |
| div = (con & CLK_GMAC1_PTP_DIV_MASK) >> CLK_GMAC1_PTP_DIV_SHIFT; |
| return DIV_TO_RATE(priv->cpll_hz, div); |
| case CLK_GMAC_125M: |
| con = readl(&cru->clksel_con[83]); |
| div = (con & CLK_GMAC_125M_DIV_MASK) >> CLK_GMAC_125M_DIV_SHIFT; |
| return DIV_TO_RATE(priv->cpll_hz, div); |
| case CLK_GMAC_50M: |
| con = readl(&cru->clksel_con[84]); |
| div = (con & CLK_GMAC_50M_DIV_MASK) >> CLK_GMAC_50M_DIV_SHIFT; |
| return DIV_TO_RATE(priv->cpll_hz, div); |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_gmac_set_clk(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| int div; |
| |
| div = DIV_ROUND_UP(priv->cpll_hz, rate); |
| |
| switch (clk_id) { |
| case CLK_GMAC0_PTP_REF: |
| rk_clrsetreg(&cru->clksel_con[81], |
| CLK_GMAC0_PTP_DIV_MASK | CLK_GMAC0_PTP_SEL_MASK, |
| CLK_GMAC0_PTP_SEL_CPLL << CLK_GMAC0_PTP_SEL_SHIFT | |
| (div - 1) << CLK_GMAC0_PTP_DIV_SHIFT); |
| break; |
| case CLK_GMAC1_PTP_REF: |
| rk_clrsetreg(&cru->clksel_con[81], |
| CLK_GMAC1_PTP_DIV_MASK | CLK_GMAC1_PTP_SEL_MASK, |
| CLK_GMAC1_PTP_SEL_CPLL << CLK_GMAC1_PTP_SEL_SHIFT | |
| (div - 1) << CLK_GMAC1_PTP_DIV_SHIFT); |
| break; |
| |
| case CLK_GMAC_125M: |
| rk_clrsetreg(&cru->clksel_con[83], |
| CLK_GMAC_125M_DIV_MASK | CLK_GMAC_125M_SEL_MASK, |
| CLK_GMAC_125M_SEL_CPLL << CLK_GMAC_125M_SEL_SHIFT | |
| (div - 1) << CLK_GMAC_125M_DIV_SHIFT); |
| break; |
| case CLK_GMAC_50M: |
| rk_clrsetreg(&cru->clksel_con[84], |
| CLK_GMAC_50M_DIV_MASK | CLK_GMAC_50M_SEL_MASK, |
| CLK_GMAC_50M_SEL_CPLL << CLK_GMAC_50M_SEL_SHIFT | |
| (div - 1) << CLK_GMAC_50M_DIV_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_gmac_get_clk(priv, clk_id); |
| } |
| |
| static ulong rk3588_uart_get_rate(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_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 = 41; |
| break; |
| case SCLK_UART2: |
| reg = 43; |
| break; |
| case SCLK_UART3: |
| reg = 45; |
| break; |
| case SCLK_UART4: |
| reg = 47; |
| break; |
| case SCLK_UART5: |
| reg = 49; |
| break; |
| case SCLK_UART6: |
| reg = 51; |
| break; |
| case SCLK_UART7: |
| reg = 53; |
| break; |
| case SCLK_UART8: |
| reg = 55; |
| break; |
| case SCLK_UART9: |
| reg = 57; |
| break; |
| default: |
| return -ENOENT; |
| } |
| con = readl(&cru->clksel_con[reg + 2]); |
| src = (con & CLK_UART_SEL_MASK) >> CLK_UART_SEL_SHIFT; |
| con = readl(&cru->clksel_con[reg]); |
| 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 |
| p_rate = priv->cpll_hz; |
| |
| 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 rk3588_uart_set_rate(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_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 = 41; |
| break; |
| case SCLK_UART2: |
| reg = 43; |
| break; |
| case SCLK_UART3: |
| reg = 45; |
| break; |
| case SCLK_UART4: |
| reg = 47; |
| break; |
| case SCLK_UART5: |
| reg = 49; |
| break; |
| case SCLK_UART6: |
| reg = 51; |
| break; |
| case SCLK_UART7: |
| reg = 53; |
| break; |
| case SCLK_UART8: |
| reg = 55; |
| break; |
| case SCLK_UART9: |
| reg = 57; |
| break; |
| default: |
| return -ENOENT; |
| } |
| rk_clrsetreg(&cru->clksel_con[reg], |
| CLK_UART_SRC_SEL_MASK | |
| CLK_UART_SRC_DIV_MASK, |
| (clk_src << CLK_UART_SRC_SEL_SHIFT) | |
| ((div - 1) << CLK_UART_SRC_DIV_SHIFT)); |
| rk_clrsetreg(&cru->clksel_con[reg + 2], |
| CLK_UART_SEL_MASK, |
| (uart_src << CLK_UART_SEL_SHIFT)); |
| if (m && n) { |
| val = m << CLK_UART_FRAC_NUMERATOR_SHIFT | n; |
| writel(val, &cru->clksel_con[reg + 1]); |
| } |
| |
| return rk3588_uart_get_rate(priv, clk_id); |
| } |
| |
| static ulong rk3588_pciephy_get_rate(struct rk3588_clk_priv *priv, ulong clk_id) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 con, div, src; |
| |
| switch (clk_id) { |
| case CLK_REF_PIPE_PHY0: |
| con = readl(&cru->clksel_con[177]); |
| src = (con & CLK_PCIE_PHY0_REF_SEL_MASK) >> CLK_PCIE_PHY0_REF_SEL_SHIFT; |
| con = readl(&cru->clksel_con[176]); |
| div = (con & CLK_PCIE_PHY0_PLL_DIV_MASK) >> CLK_PCIE_PHY0_PLL_DIV_SHIFT; |
| break; |
| case CLK_REF_PIPE_PHY1: |
| con = readl(&cru->clksel_con[177]); |
| src = (con & CLK_PCIE_PHY1_REF_SEL_MASK) >> CLK_PCIE_PHY1_REF_SEL_SHIFT; |
| con = readl(&cru->clksel_con[176]); |
| div = (con & CLK_PCIE_PHY1_PLL_DIV_MASK) >> CLK_PCIE_PHY1_PLL_DIV_SHIFT; |
| break; |
| case CLK_REF_PIPE_PHY2: |
| con = readl(&cru->clksel_con[177]); |
| src = (con & CLK_PCIE_PHY2_REF_SEL_MASK) >> CLK_PCIE_PHY2_REF_SEL_SHIFT; |
| div = (con & CLK_PCIE_PHY2_PLL_DIV_MASK) >> CLK_PCIE_PHY2_PLL_DIV_SHIFT; |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| if (src == CLK_PCIE_PHY_REF_SEL_PPLL) |
| return DIV_TO_RATE(priv->ppll_hz, div); |
| else |
| return OSC_HZ; |
| } |
| |
| static ulong rk3588_pciephy_set_rate(struct rk3588_clk_priv *priv, |
| ulong clk_id, ulong rate) |
| { |
| struct rk3588_cru *cru = priv->cru; |
| u32 clk_src, div; |
| |
| if (rate == OSC_HZ) { |
| clk_src = CLK_PCIE_PHY_REF_SEL_24M; |
| div = 1; |
| } else { |
| clk_src = CLK_PCIE_PHY_REF_SEL_PPLL; |
| div = DIV_ROUND_UP(priv->ppll_hz, rate); |
| } |
| |
| switch (clk_id) { |
| case CLK_REF_PIPE_PHY0: |
| rk_clrsetreg(&cru->clksel_con[177], CLK_PCIE_PHY0_REF_SEL_MASK, |
| (clk_src << CLK_PCIE_PHY0_REF_SEL_SHIFT)); |
| rk_clrsetreg(&cru->clksel_con[176], CLK_PCIE_PHY0_PLL_DIV_MASK, |
| ((div - 1) << CLK_PCIE_PHY0_PLL_DIV_SHIFT)); |
| break; |
| case CLK_REF_PIPE_PHY1: |
| rk_clrsetreg(&cru->clksel_con[177], CLK_PCIE_PHY1_REF_SEL_MASK, |
| (clk_src << CLK_PCIE_PHY1_REF_SEL_SHIFT)); |
| rk_clrsetreg(&cru->clksel_con[176], CLK_PCIE_PHY1_PLL_DIV_MASK, |
| ((div - 1) << CLK_PCIE_PHY1_PLL_DIV_SHIFT)); |
| break; |
| case CLK_REF_PIPE_PHY2: |
| rk_clrsetreg(&cru->clksel_con[177], CLK_PCIE_PHY2_REF_SEL_MASK | |
| CLK_PCIE_PHY2_PLL_DIV_MASK, |
| (clk_src << CLK_PCIE_PHY2_REF_SEL_SHIFT) | |
| ((div - 1) << CLK_PCIE_PHY2_PLL_DIV_SHIFT)); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_pciephy_get_rate(priv, clk_id); |
| } |
| #endif |
| |
| static ulong rk3588_clk_get_rate(struct clk *clk) |
| { |
| struct rk3588_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; |
| } |
| |
| if (!priv->ppll_hz) { |
| priv->ppll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], |
| priv->cru, PPLL); |
| } |
| |
| switch (clk->id) { |
| case PLL_LPLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[LPLL], priv->cru, |
| LPLL); |
| break; |
| case PLL_B0PLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[B0PLL], priv->cru, |
| B0PLL); |
| break; |
| case PLL_B1PLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[B1PLL], priv->cru, |
| B1PLL); |
| break; |
| case PLL_GPLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[GPLL], priv->cru, |
| GPLL); |
| break; |
| case PLL_CPLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[CPLL], priv->cru, |
| CPLL); |
| break; |
| case PLL_NPLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[NPLL], priv->cru, |
| NPLL); |
| break; |
| case PLL_V0PLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[V0PLL], priv->cru, |
| V0PLL); |
| break; |
| case PLL_AUPLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[AUPLL], priv->cru, |
| AUPLL); |
| break; |
| case PLL_PPLL: |
| rate = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], priv->cru, |
| PPLL); |
| break; |
| case ACLK_CENTER_ROOT: |
| case PCLK_CENTER_ROOT: |
| case HCLK_CENTER_ROOT: |
| case ACLK_CENTER_LOW_ROOT: |
| rate = rk3588_center_get_clk(priv, clk->id); |
| break; |
| case ACLK_TOP_ROOT: |
| case PCLK_TOP_ROOT: |
| case ACLK_LOW_TOP_ROOT: |
| rate = rk3588_top_get_clk(priv, clk->id); |
| break; |
| case CLK_I2C0: |
| case CLK_I2C1: |
| case CLK_I2C2: |
| case CLK_I2C3: |
| case CLK_I2C4: |
| case CLK_I2C5: |
| case CLK_I2C6: |
| case CLK_I2C7: |
| case CLK_I2C8: |
| rate = rk3588_i2c_get_clk(priv, clk->id); |
| break; |
| case CLK_SPI0: |
| case CLK_SPI1: |
| case CLK_SPI2: |
| case CLK_SPI3: |
| case CLK_SPI4: |
| rate = rk3588_spi_get_clk(priv, clk->id); |
| break; |
| case CLK_PWM1: |
| case CLK_PWM2: |
| case CLK_PWM3: |
| case CLK_PMU1PWM: |
| rate = rk3588_pwm_get_clk(priv, clk->id); |
| break; |
| case CLK_SARADC: |
| case CLK_TSADC: |
| rate = rk3588_adc_get_clk(priv, clk->id); |
| break; |
| case CCLK_SRC_SDIO: |
| case CCLK_EMMC: |
| case BCLK_EMMC: |
| case SCLK_SFC: |
| case DCLK_DECOM: |
| rate = rk3588_mmc_get_clk(priv, clk->id); |
| break; |
| case TMCLK_EMMC: |
| case TCLK_WDT0: |
| rate = OSC_HZ; |
| break; |
| case PCLK_PMU0_ROOT: |
| rate = 100000000; |
| break; |
| case HCLK_PMU_CM0_ROOT: |
| rate = 200000000; |
| break; |
| case ACLK_BUS_ROOT: |
| rate = 375000000; |
| break; |
| case CLK_150M_SRC: |
| rate = 150000000; |
| break; |
| case CLK_GPU: |
| rate = 200000000; |
| break; |
| #ifndef CONFIG_SPL_BUILD |
| case CLK_AUX16M_0: |
| case CLK_AUX16M_1: |
| rate = rk3588_aux16m_get_clk(priv, clk->id); |
| break; |
| case ACLK_VOP_ROOT: |
| case ACLK_VOP: |
| case ACLK_VOP_LOW_ROOT: |
| case HCLK_VOP_ROOT: |
| rate = rk3588_aclk_vop_get_clk(priv, clk->id); |
| break; |
| case DCLK_VOP0: |
| case DCLK_VOP0_SRC: |
| case DCLK_VOP1: |
| case DCLK_VOP1_SRC: |
| case DCLK_VOP2: |
| case DCLK_VOP2_SRC: |
| case DCLK_VOP3: |
| rate = rk3588_dclk_vop_get_clk(priv, clk->id); |
| break; |
| case CLK_GMAC0_PTP_REF: |
| case CLK_GMAC1_PTP_REF: |
| case CLK_GMAC_125M: |
| case CLK_GMAC_50M: |
| rate = rk3588_gmac_get_clk(priv, clk->id); |
| break; |
| 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 = rk3588_uart_get_rate(priv, clk->id); |
| break; |
| case CLK_REF_PIPE_PHY0: |
| case CLK_REF_PIPE_PHY1: |
| case CLK_REF_PIPE_PHY2: |
| rate = rk3588_pciephy_get_rate(priv, clk->id); |
| break; |
| #endif |
| default: |
| return -ENOENT; |
| } |
| |
| return rate; |
| }; |
| |
| static ulong rk3588_clk_set_rate(struct clk *clk, ulong rate) |
| { |
| struct rk3588_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; |
| } |
| |
| if (!priv->ppll_hz) { |
| priv->ppll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], |
| priv->cru, PPLL); |
| } |
| |
| switch (clk->id) { |
| case PLL_CPLL: |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[CPLL], priv->cru, |
| CPLL, rate); |
| priv->cpll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[CPLL], |
| priv->cru, CPLL); |
| break; |
| case PLL_GPLL: |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[GPLL], priv->cru, |
| GPLL, rate); |
| priv->gpll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[GPLL], |
| priv->cru, GPLL); |
| break; |
| case PLL_NPLL: |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[NPLL], priv->cru, |
| NPLL, rate); |
| break; |
| case PLL_V0PLL: |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[V0PLL], priv->cru, |
| V0PLL, rate); |
| priv->v0pll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[V0PLL], |
| priv->cru, V0PLL); |
| break; |
| case PLL_AUPLL: |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[AUPLL], priv->cru, |
| AUPLL, rate); |
| priv->aupll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[AUPLL], |
| priv->cru, AUPLL); |
| break; |
| case PLL_PPLL: |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[PPLL], priv->cru, |
| PPLL, rate); |
| priv->ppll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], |
| priv->cru, PPLL); |
| break; |
| case ACLK_CENTER_ROOT: |
| case PCLK_CENTER_ROOT: |
| case HCLK_CENTER_ROOT: |
| case ACLK_CENTER_LOW_ROOT: |
| ret = rk3588_center_set_clk(priv, clk->id, rate); |
| break; |
| case ACLK_TOP_ROOT: |
| case PCLK_TOP_ROOT: |
| case ACLK_LOW_TOP_ROOT: |
| ret = rk3588_top_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_I2C0: |
| case CLK_I2C1: |
| case CLK_I2C2: |
| case CLK_I2C3: |
| case CLK_I2C4: |
| case CLK_I2C5: |
| case CLK_I2C6: |
| case CLK_I2C7: |
| case CLK_I2C8: |
| ret = rk3588_i2c_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_SPI0: |
| case CLK_SPI1: |
| case CLK_SPI2: |
| case CLK_SPI3: |
| case CLK_SPI4: |
| ret = rk3588_spi_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_PWM1: |
| case CLK_PWM2: |
| case CLK_PWM3: |
| case CLK_PMU1PWM: |
| ret = rk3588_pwm_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_SARADC: |
| case CLK_TSADC: |
| ret = rk3588_adc_set_clk(priv, clk->id, rate); |
| break; |
| case CCLK_SRC_SDIO: |
| case CCLK_EMMC: |
| case BCLK_EMMC: |
| case SCLK_SFC: |
| case DCLK_DECOM: |
| ret = rk3588_mmc_set_clk(priv, clk->id, rate); |
| break; |
| case TMCLK_EMMC: |
| case TCLK_WDT0: |
| ret = OSC_HZ; |
| break; |
| case PCLK_PMU0_ROOT: |
| case CLK_GPU: |
| case HCLK_PMU_CM0_ROOT: |
| case ACLK_BUS_ROOT: |
| case CLK_150M_SRC: |
| ret = 0; |
| break; |
| #ifndef CONFIG_SPL_BUILD |
| case CLK_AUX16M_0: |
| case CLK_AUX16M_1: |
| ret = rk3588_aux16m_set_clk(priv, clk->id, rate); |
| break; |
| case ACLK_VOP_ROOT: |
| case ACLK_VOP: |
| case ACLK_VOP_LOW_ROOT: |
| case HCLK_VOP_ROOT: |
| ret = rk3588_aclk_vop_set_clk(priv, clk->id, rate); |
| break; |
| case DCLK_VOP0: |
| case DCLK_VOP0_SRC: |
| case DCLK_VOP1: |
| case DCLK_VOP1_SRC: |
| case DCLK_VOP2: |
| case DCLK_VOP2_SRC: |
| case DCLK_VOP3: |
| ret = rk3588_dclk_vop_set_clk(priv, clk->id, rate); |
| break; |
| case CLK_GMAC0_PTP_REF: |
| case CLK_GMAC1_PTP_REF: |
| case CLK_GMAC_125M: |
| case CLK_GMAC_50M: |
| ret = rk3588_gmac_set_clk(priv, clk->id, rate); |
| break; |
| 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 = rk3588_uart_set_rate(priv, clk->id, rate); |
| break; |
| case CLK_REF_PIPE_PHY0: |
| case CLK_REF_PIPE_PHY1: |
| case CLK_REF_PIPE_PHY2: |
| ret = rk3588_pciephy_set_rate(priv, clk->id, rate); |
| break; |
| #endif |
| default: |
| return -ENOENT; |
| } |
| |
| return ret; |
| }; |
| |
| #define ROCKCHIP_MMC_DELAY_SEL BIT(10) |
| #define ROCKCHIP_MMC_DEGREE_MASK 0x3 |
| #define ROCKCHIP_MMC_DELAYNUM_OFFSET 2 |
| #define ROCKCHIP_MMC_DELAYNUM_MASK (0xff << ROCKCHIP_MMC_DELAYNUM_OFFSET) |
| |
| #define PSECS_PER_SEC 1000000000000LL |
| /* |
| * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to |
| * simplify calculations. So 45degs could be anywhere between 33deg and 57.8deg. |
| */ |
| #define ROCKCHIP_MMC_DELAY_ELEMENT_PSEC 60 |
| |
| #if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA)) |
| static int __maybe_unused rk3588_dclk_vop_set_parent(struct clk *clk, |
| struct clk *parent) |
| { |
| struct rk3588_clk_priv *priv = dev_get_priv(clk->dev); |
| struct rk3588_cru *cru = priv->cru; |
| u32 sel; |
| const char *clock_dev_name = parent->dev->name; |
| |
| if (parent->id == PLL_V0PLL) |
| sel = 2; |
| else if (parent->id == PLL_GPLL) |
| sel = 0; |
| else if (parent->id == PLL_CPLL) |
| sel = 1; |
| else |
| sel = 3; |
| |
| switch (clk->id) { |
| case DCLK_VOP0_SRC: |
| rk_clrsetreg(&cru->clksel_con[111], DCLK0_VOP_SRC_SEL_MASK, |
| sel << DCLK0_VOP_SRC_SEL_SHIFT); |
| break; |
| case DCLK_VOP1_SRC: |
| rk_clrsetreg(&cru->clksel_con[111], DCLK1_VOP_SRC_SEL_MASK, |
| sel << DCLK1_VOP_SRC_SEL_SHIFT); |
| break; |
| case DCLK_VOP2_SRC: |
| rk_clrsetreg(&cru->clksel_con[112], DCLK2_VOP_SRC_SEL_MASK, |
| sel << DCLK2_VOP_SRC_SEL_SHIFT); |
| break; |
| case DCLK_VOP3: |
| rk_clrsetreg(&cru->clksel_con[113], DCLK3_VOP_SRC_SEL_MASK, |
| sel << DCLK3_VOP_SRC_SEL_SHIFT); |
| break; |
| case DCLK_VOP0: |
| if (!strcmp(clock_dev_name, "hdmiphypll_clk0")) |
| sel = 1; |
| else if (!strcmp(clock_dev_name, "hdmiphypll_clk1")) |
| sel = 2; |
| else |
| sel = 0; |
| rk_clrsetreg(&cru->clksel_con[112], DCLK0_VOP_SEL_MASK, |
| sel << DCLK0_VOP_SEL_SHIFT); |
| break; |
| case DCLK_VOP1: |
| if (!strcmp(clock_dev_name, "hdmiphypll_clk0")) |
| sel = 1; |
| else if (!strcmp(clock_dev_name, "hdmiphypll_clk1")) |
| sel = 2; |
| else |
| sel = 0; |
| rk_clrsetreg(&cru->clksel_con[112], DCLK1_VOP_SEL_MASK, |
| sel << DCLK1_VOP_SEL_SHIFT); |
| break; |
| case DCLK_VOP2: |
| if (!strcmp(clock_dev_name, "hdmiphypll_clk0")) |
| sel = 1; |
| else if (!strcmp(clock_dev_name, "hdmiphypll_clk1")) |
| sel = 2; |
| else |
| sel = 0; |
| rk_clrsetreg(&cru->clksel_con[112], DCLK2_VOP_SEL_MASK, |
| sel << DCLK2_VOP_SEL_SHIFT); |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int rk3588_clk_set_parent(struct clk *clk, struct clk *parent) |
| { |
| switch (clk->id) { |
| case DCLK_VOP0_SRC: |
| case DCLK_VOP1_SRC: |
| case DCLK_VOP2_SRC: |
| case DCLK_VOP0: |
| case DCLK_VOP1: |
| case DCLK_VOP2: |
| case DCLK_VOP3: |
| return rk3588_dclk_vop_set_parent(clk, parent); |
| default: |
| return -ENOENT; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static struct clk_ops rk3588_clk_ops = { |
| .get_rate = rk3588_clk_get_rate, |
| .set_rate = rk3588_clk_set_rate, |
| #if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA)) |
| .set_parent = rk3588_clk_set_parent, |
| #endif |
| }; |
| |
| static void rk3588_clk_init(struct rk3588_clk_priv *priv) |
| { |
| int ret, div; |
| |
| div = DIV_ROUND_UP(GPLL_HZ, 300 * MHz); |
| rk_clrsetreg(&priv->cru->clksel_con[38], |
| ACLK_BUS_ROOT_SEL_MASK | |
| ACLK_BUS_ROOT_DIV_MASK, |
| div << ACLK_BUS_ROOT_DIV_SHIFT); |
| |
| if (priv->cpll_hz != CPLL_HZ) { |
| ret = rockchip_pll_set_rate(&rk3588_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(&rk3588_pll_clks[GPLL], priv->cru, |
| GPLL, GPLL_HZ); |
| if (!ret) |
| priv->gpll_hz = GPLL_HZ; |
| } |
| |
| #ifdef CONFIG_PCI |
| if (priv->ppll_hz != PPLL_HZ) { |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[PPLL], priv->cru, |
| PPLL, PPLL_HZ); |
| priv->ppll_hz = rockchip_pll_get_rate(&rk3588_pll_clks[PPLL], |
| priv->cru, PPLL); |
| } |
| #endif |
| rk_clrsetreg(&priv->cru->clksel_con[9], |
| ACLK_TOP_S400_SEL_MASK | |
| ACLK_TOP_S200_SEL_MASK, |
| (ACLK_TOP_S400_SEL_400M << ACLK_TOP_S400_SEL_SHIFT) | |
| (ACLK_TOP_S200_SEL_200M << ACLK_TOP_S200_SEL_SHIFT)); |
| } |
| |
| static int rk3588_clk_probe(struct udevice *dev) |
| { |
| struct rk3588_clk_priv *priv = dev_get_priv(dev); |
| int ret; |
| |
| priv->sync_kernel = false; |
| |
| #ifdef CONFIG_SPL_BUILD |
| rockchip_pll_set_rate(&rk3588_pll_clks[B0PLL], priv->cru, |
| B0PLL, LPLL_HZ); |
| rockchip_pll_set_rate(&rk3588_pll_clks[B1PLL], priv->cru, |
| B1PLL, LPLL_HZ); |
| if (!priv->armclk_enter_hz) { |
| ret = rockchip_pll_set_rate(&rk3588_pll_clks[LPLL], priv->cru, |
| LPLL, LPLL_HZ); |
| priv->armclk_enter_hz = |
| rockchip_pll_get_rate(&rk3588_pll_clks[LPLL], |
| priv->cru, LPLL); |
| priv->armclk_init_hz = priv->armclk_enter_hz; |
| } |
| #endif |
| |
| priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| if (IS_ERR(priv->grf)) |
| return PTR_ERR(priv->grf); |
| |
| rk3588_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 rk3588_clk_ofdata_to_platdata(struct udevice *dev) |
| { |
| struct rk3588_clk_priv *priv = dev_get_priv(dev); |
| |
| priv->cru = dev_read_addr_ptr(dev); |
| |
| return 0; |
| } |
| |
| static int rk3588_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 rk3588_cru, |
| glb_srst_fst); |
| priv->glb_srst_snd_value = offsetof(struct rk3588_cru, |
| glb_srsr_snd); |
| dev_set_priv(sys_child, priv); |
| } |
| |
| #if CONFIG_IS_ENABLED(RESET_ROCKCHIP) |
| ret = offsetof(struct rk3588_cru, softrst_con[0]); |
| ret = rk3588_reset_bind_lut(dev, ret, 49158); |
| if (ret) |
| debug("Warning: software reset driver bind failed\n"); |
| #endif |
| |
| return 0; |
| } |
| |
| static const struct udevice_id rk3588_clk_ids[] = { |
| { .compatible = "rockchip,rk3588-cru" }, |
| { } |
| }; |
| |
| U_BOOT_DRIVER(rockchip_rk3588_cru) = { |
| .name = "rockchip_rk3588_cru", |
| .id = UCLASS_CLK, |
| .of_match = rk3588_clk_ids, |
| .priv_auto = sizeof(struct rk3588_clk_priv), |
| .of_to_plat = rk3588_clk_ofdata_to_platdata, |
| .ops = &rk3588_clk_ops, |
| .bind = rk3588_clk_bind, |
| .probe = rk3588_clk_probe, |
| }; |
| |
| #ifdef CONFIG_SPL_BUILD |
| #define SCRU_BASE 0xfd7d0000 |
| |
| static ulong rk3588_scru_clk_get_rate(struct clk *clk) |
| { |
| u32 con, div, sel, parent; |
| |
| switch (clk->id) { |
| case SCMI_CCLK_SD: |
| con = readl(SCRU_BASE + RK3588_CLKSEL_CON(3)); |
| sel = (con & SCMI_CCLK_SD_SEL_MASK) >> SCMI_CCLK_SD_SEL_SHIFT; |
| div = (con & SCMI_CCLK_SD_DIV_MASK) >> SCMI_CCLK_SD_DIV_SHIFT; |
| if (sel == SCMI_CCLK_SD_SEL_GPLL) |
| parent = GPLL_HZ; |
| else if (sel == SCMI_CCLK_SD_SEL_SPLL) |
| parent = SPLL_HZ; |
| else |
| parent = OSC_HZ; |
| return DIV_TO_RATE(parent, div); |
| case SCMI_HCLK_SD: |
| con = readl(SCRU_BASE + RK3588_CLKSEL_CON(1)); |
| sel = (con & SCMI_HCLK_SD_SEL_MASK) >> SCMI_HCLK_SD_SEL_SHIFT; |
| if (sel == SCMI_HCLK_SD_SEL_150M) |
| return 150 * MHz; |
| else if (sel == SCMI_HCLK_SD_SEL_100M) |
| return 100 * MHz; |
| else if (sel == SCMI_HCLK_SD_SEL_50M) |
| return 50 * MHz; |
| else |
| return OSC_HZ; |
| default: |
| return -ENOENT; |
| } |
| } |
| |
| static ulong rk3588_scru_clk_set_rate(struct clk *clk, ulong rate) |
| { |
| u32 div, sel; |
| |
| switch (clk->id) { |
| case SCMI_CCLK_SD: |
| if ((OSC_HZ % rate) == 0) { |
| sel = SCMI_CCLK_SD_SEL_24M; |
| div = DIV_ROUND_UP(OSC_HZ, rate); |
| } else if ((SPLL_HZ % rate) == 0) { |
| sel = SCMI_CCLK_SD_SEL_SPLL; |
| div = DIV_ROUND_UP(SPLL_HZ, rate); |
| } else { |
| sel = SCMI_CCLK_SD_SEL_GPLL; |
| div = DIV_ROUND_UP(GPLL_HZ, rate); |
| } |
| rk_clrsetreg(SCRU_BASE + RK3588_CLKSEL_CON(3), |
| SCMI_CCLK_SD_SEL_MASK | SCMI_CCLK_SD_DIV_MASK, |
| sel << SCMI_CCLK_SD_SEL_SHIFT | |
| (div - 1) << SCMI_CCLK_SD_DIV_SHIFT); |
| break; |
| case SCMI_HCLK_SD: |
| if (rate >= 150 * MHz) |
| sel = SCMI_HCLK_SD_SEL_150M; |
| else if (rate >= 100 * MHz) |
| sel = SCMI_HCLK_SD_SEL_100M; |
| else if (rate >= 50 * MHz) |
| sel = SCMI_HCLK_SD_SEL_50M; |
| else |
| sel = SCMI_HCLK_SD_SEL_24M; |
| rk_clrsetreg(SCRU_BASE + RK3588_CLKSEL_CON(1), |
| SCMI_HCLK_SD_SEL_MASK, |
| sel << SCMI_HCLK_SD_SEL_SHIFT); |
| break; |
| default: |
| return -ENOENT; |
| } |
| |
| return rk3588_scru_clk_get_rate(clk); |
| } |
| |
| static const struct clk_ops rk3588_scru_clk_ops = { |
| .get_rate = rk3588_scru_clk_get_rate, |
| .set_rate = rk3588_scru_clk_set_rate, |
| }; |
| |
| U_BOOT_DRIVER(rockchip_rk3588_scru) = { |
| .name = "rockchip_rk3588_scru", |
| .id = UCLASS_CLK, |
| .ops = &rk3588_scru_clk_ops, |
| }; |
| |
| static int rk3588_scmi_spl_glue_bind(struct udevice *dev) |
| { |
| ofnode node; |
| u32 protocol_id; |
| const char *name; |
| |
| dev_for_each_subnode(node, dev) { |
| if (!ofnode_is_enabled(node)) |
| continue; |
| |
| if (ofnode_read_u32(node, "reg", &protocol_id)) |
| continue; |
| |
| if (protocol_id != SCMI_PROTOCOL_ID_CLOCK) |
| continue; |
| |
| name = ofnode_get_name(node); |
| return device_bind_driver_to_node(dev, "rockchip_rk3588_scru", |
| name, node, NULL); |
| } |
| |
| return -ENOENT; |
| } |
| |
| static const struct udevice_id rk3588_scmi_spl_glue_ids[] = { |
| { .compatible = "arm,scmi-smc" }, |
| { } |
| }; |
| |
| U_BOOT_DRIVER(rk3588_scmi_spl_glue) = { |
| .name = "rk3588_scmi_spl_glue", |
| .id = UCLASS_NOP, |
| .of_match = rk3588_scmi_spl_glue_ids, |
| .bind = rk3588_scmi_spl_glue_bind, |
| }; |
| #endif |