Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * Copyright (C) 2018 Amarula Solutions B.V. |
| 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> |
Samuel Holland | 12e3faa | 2021-09-12 11:48:43 -0500 | [diff] [blame^] | 11 | #include <clk/sunxi.h> |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 12 | #include <dt-bindings/clock/sun8i-a23-a33-ccu.h> |
| 13 | #include <dt-bindings/reset/sun8i-a23-a33-ccu.h> |
Simon Glass | 4dcacfc | 2020-05-10 11:40:13 -0600 | [diff] [blame] | 14 | #include <linux/bitops.h> |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 15 | |
| 16 | static struct ccu_clk_gate a23_gates[] = { |
Andre Przywara | ddf33c1 | 2019-01-29 15:54:09 +0000 | [diff] [blame] | 17 | [CLK_BUS_MMC0] = GATE(0x060, BIT(8)), |
| 18 | [CLK_BUS_MMC1] = GATE(0x060, BIT(9)), |
| 19 | [CLK_BUS_MMC2] = GATE(0x060, BIT(10)), |
Jagan Teki | bc12313 | 2019-02-27 20:02:06 +0530 | [diff] [blame] | 20 | [CLK_BUS_SPI0] = GATE(0x060, BIT(20)), |
| 21 | [CLK_BUS_SPI1] = GATE(0x060, BIT(21)), |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 22 | [CLK_BUS_OTG] = GATE(0x060, BIT(24)), |
| 23 | [CLK_BUS_EHCI] = GATE(0x060, BIT(26)), |
| 24 | [CLK_BUS_OHCI] = GATE(0x060, BIT(29)), |
| 25 | |
Jagan Teki | 8cf08ea | 2018-12-30 21:29:24 +0530 | [diff] [blame] | 26 | [CLK_BUS_UART0] = GATE(0x06c, BIT(16)), |
| 27 | [CLK_BUS_UART1] = GATE(0x06c, BIT(17)), |
| 28 | [CLK_BUS_UART2] = GATE(0x06c, BIT(18)), |
| 29 | [CLK_BUS_UART3] = GATE(0x06c, BIT(19)), |
| 30 | [CLK_BUS_UART4] = GATE(0x06c, BIT(20)), |
| 31 | |
Jagan Teki | bc12313 | 2019-02-27 20:02:06 +0530 | [diff] [blame] | 32 | [CLK_SPI0] = GATE(0x0a0, BIT(31)), |
| 33 | [CLK_SPI1] = GATE(0x0a4, BIT(31)), |
| 34 | |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 35 | [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), |
| 36 | [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), |
| 37 | [CLK_USB_HSIC] = GATE(0x0cc, BIT(10)), |
| 38 | [CLK_USB_HSIC_12M] = GATE(0x0cc, BIT(11)), |
| 39 | [CLK_USB_OHCI] = GATE(0x0cc, BIT(16)), |
| 40 | }; |
| 41 | |
| 42 | static struct ccu_reset a23_resets[] = { |
| 43 | [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), |
| 44 | [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), |
| 45 | [RST_USB_HSIC] = RESET(0x0cc, BIT(2)), |
| 46 | |
Andre Przywara | ddf33c1 | 2019-01-29 15:54:09 +0000 | [diff] [blame] | 47 | [RST_BUS_MMC0] = RESET(0x2c0, BIT(8)), |
| 48 | [RST_BUS_MMC1] = RESET(0x2c0, BIT(9)), |
| 49 | [RST_BUS_MMC2] = RESET(0x2c0, BIT(10)), |
Jagan Teki | bc12313 | 2019-02-27 20:02:06 +0530 | [diff] [blame] | 50 | [RST_BUS_SPI0] = RESET(0x2c0, BIT(20)), |
| 51 | [RST_BUS_SPI1] = RESET(0x2c0, BIT(21)), |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 52 | [RST_BUS_OTG] = RESET(0x2c0, BIT(24)), |
| 53 | [RST_BUS_EHCI] = RESET(0x2c0, BIT(26)), |
| 54 | [RST_BUS_OHCI] = RESET(0x2c0, BIT(29)), |
Jagan Teki | b490aa5 | 2018-12-30 21:37:31 +0530 | [diff] [blame] | 55 | |
| 56 | [RST_BUS_UART0] = RESET(0x2d8, BIT(16)), |
| 57 | [RST_BUS_UART1] = RESET(0x2d8, BIT(17)), |
| 58 | [RST_BUS_UART2] = RESET(0x2d8, BIT(18)), |
| 59 | [RST_BUS_UART3] = RESET(0x2d8, BIT(19)), |
| 60 | [RST_BUS_UART4] = RESET(0x2d8, BIT(20)), |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 61 | }; |
| 62 | |
| 63 | static const struct ccu_desc a23_ccu_desc = { |
| 64 | .gates = a23_gates, |
| 65 | .resets = a23_resets, |
| 66 | }; |
| 67 | |
| 68 | static int a23_clk_bind(struct udevice *dev) |
| 69 | { |
| 70 | return sunxi_reset_bind(dev, ARRAY_SIZE(a23_resets)); |
| 71 | } |
| 72 | |
| 73 | static const struct udevice_id a23_clk_ids[] = { |
| 74 | { .compatible = "allwinner,sun8i-a23-ccu", |
| 75 | .data = (ulong)&a23_ccu_desc }, |
| 76 | { .compatible = "allwinner,sun8i-a33-ccu", |
| 77 | .data = (ulong)&a23_ccu_desc }, |
| 78 | { } |
| 79 | }; |
| 80 | |
| 81 | U_BOOT_DRIVER(clk_sun8i_a23) = { |
| 82 | .name = "sun8i_a23_ccu", |
| 83 | .id = UCLASS_CLK, |
| 84 | .of_match = a23_clk_ids, |
Simon Glass | 8a2b47f | 2020-12-03 16:55:17 -0700 | [diff] [blame] | 85 | .priv_auto = sizeof(struct ccu_priv), |
Jagan Teki | 885abd8 | 2018-08-02 23:25:03 +0530 | [diff] [blame] | 86 | .ops = &sunxi_clk_ops, |
| 87 | .probe = sunxi_clk_probe, |
| 88 | .bind = a23_clk_bind, |
| 89 | }; |