Jagan Teki | b38f7af | 2018-08-02 16:52:37 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * Copyright (C) 2018 Amarula Solutions. |
| 4 | * Author: Jagan Teki <jagan@amarulasolutions.com> |
| 5 | */ |
| 6 | |
| 7 | #include <common.h> |
| 8 | #include <clk-uclass.h> |
| 9 | #include <dm.h> |
| 10 | #include <errno.h> |
| 11 | #include <asm/arch/ccu.h> |
| 12 | #include <dt-bindings/clock/sun4i-a10-ccu.h> |
| 13 | #include <dt-bindings/reset/sun4i-a10-ccu.h> |
Simon Glass | 4dcacfc | 2020-05-10 11:40:13 -0600 | [diff] [blame] | 14 | #include <linux/bitops.h> |
Jagan Teki | b38f7af | 2018-08-02 16:52:37 +0530 | [diff] [blame] | 15 | |
| 16 | static struct ccu_clk_gate a10_gates[] = { |
| 17 | [CLK_AHB_OTG] = GATE(0x060, BIT(0)), |
| 18 | [CLK_AHB_EHCI0] = GATE(0x060, BIT(1)), |
| 19 | [CLK_AHB_OHCI0] = GATE(0x060, BIT(2)), |
| 20 | [CLK_AHB_EHCI1] = GATE(0x060, BIT(3)), |
| 21 | [CLK_AHB_OHCI1] = GATE(0x060, BIT(4)), |
Andre Przywara | ddf33c1 | 2019-01-29 15:54:09 +0000 | [diff] [blame] | 22 | [CLK_AHB_MMC0] = GATE(0x060, BIT(8)), |
| 23 | [CLK_AHB_MMC1] = GATE(0x060, BIT(9)), |
| 24 | [CLK_AHB_MMC2] = GATE(0x060, BIT(10)), |
| 25 | [CLK_AHB_MMC3] = GATE(0x060, BIT(11)), |
Jagan Teki | f4b29f4 | 2019-02-28 00:26:49 +0530 | [diff] [blame] | 26 | [CLK_AHB_EMAC] = GATE(0x060, BIT(17)), |
Jagan Teki | bc12313 | 2019-02-27 20:02:06 +0530 | [diff] [blame] | 27 | [CLK_AHB_SPI0] = GATE(0x060, BIT(20)), |
| 28 | [CLK_AHB_SPI1] = GATE(0x060, BIT(21)), |
| 29 | [CLK_AHB_SPI2] = GATE(0x060, BIT(22)), |
| 30 | [CLK_AHB_SPI3] = GATE(0x060, BIT(23)), |
Jagan Teki | b38f7af | 2018-08-02 16:52:37 +0530 | [diff] [blame] | 31 | |
Jagan Teki | 53698b2 | 2019-03-28 13:46:11 +0530 | [diff] [blame] | 32 | [CLK_AHB_GMAC] = GATE(0x064, BIT(17)), |
| 33 | |
Jagan Teki | 8cf08ea | 2018-12-30 21:29:24 +0530 | [diff] [blame] | 34 | [CLK_APB1_UART0] = GATE(0x06c, BIT(16)), |
| 35 | [CLK_APB1_UART1] = GATE(0x06c, BIT(17)), |
| 36 | [CLK_APB1_UART2] = GATE(0x06c, BIT(18)), |
| 37 | [CLK_APB1_UART3] = GATE(0x06c, BIT(19)), |
| 38 | [CLK_APB1_UART4] = GATE(0x06c, BIT(20)), |
| 39 | [CLK_APB1_UART5] = GATE(0x06c, BIT(21)), |
| 40 | [CLK_APB1_UART6] = GATE(0x06c, BIT(22)), |
| 41 | [CLK_APB1_UART7] = GATE(0x06c, BIT(23)), |
| 42 | |
Jagan Teki | bc12313 | 2019-02-27 20:02:06 +0530 | [diff] [blame] | 43 | [CLK_SPI0] = GATE(0x0a0, BIT(31)), |
| 44 | [CLK_SPI1] = GATE(0x0a4, BIT(31)), |
| 45 | [CLK_SPI2] = GATE(0x0a8, BIT(31)), |
| 46 | |
Jagan Teki | b38f7af | 2018-08-02 16:52:37 +0530 | [diff] [blame] | 47 | [CLK_USB_OHCI0] = GATE(0x0cc, BIT(6)), |
| 48 | [CLK_USB_OHCI1] = GATE(0x0cc, BIT(7)), |
| 49 | [CLK_USB_PHY] = GATE(0x0cc, BIT(8)), |
Jagan Teki | bc12313 | 2019-02-27 20:02:06 +0530 | [diff] [blame] | 50 | |
| 51 | [CLK_SPI3] = GATE(0x0d4, BIT(31)), |
Jagan Teki | b38f7af | 2018-08-02 16:52:37 +0530 | [diff] [blame] | 52 | }; |
| 53 | |
| 54 | static struct ccu_reset a10_resets[] = { |
| 55 | [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), |
| 56 | [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), |
| 57 | [RST_USB_PHY2] = RESET(0x0cc, BIT(2)), |
| 58 | }; |
| 59 | |
| 60 | static const struct ccu_desc a10_ccu_desc = { |
| 61 | .gates = a10_gates, |
| 62 | .resets = a10_resets, |
| 63 | }; |
| 64 | |
| 65 | static int a10_clk_bind(struct udevice *dev) |
| 66 | { |
| 67 | return sunxi_reset_bind(dev, ARRAY_SIZE(a10_resets)); |
| 68 | } |
| 69 | |
| 70 | static const struct udevice_id a10_ccu_ids[] = { |
| 71 | { .compatible = "allwinner,sun4i-a10-ccu", |
| 72 | .data = (ulong)&a10_ccu_desc }, |
| 73 | { .compatible = "allwinner,sun7i-a20-ccu", |
| 74 | .data = (ulong)&a10_ccu_desc }, |
| 75 | { } |
| 76 | }; |
| 77 | |
| 78 | U_BOOT_DRIVER(clk_sun4i_a10) = { |
| 79 | .name = "sun4i_a10_ccu", |
| 80 | .id = UCLASS_CLK, |
| 81 | .of_match = a10_ccu_ids, |
| 82 | .priv_auto_alloc_size = sizeof(struct ccu_priv), |
| 83 | .ops = &sunxi_clk_ops, |
| 84 | .probe = sunxi_clk_probe, |
| 85 | .bind = a10_clk_bind, |
| 86 | }; |