Jernej Skrabec | e52dc3e | 2021-01-11 21:11:52 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * Copyright (C) 2021 Jernej Skrabec <jernej.skrabec@siol.net> |
| 4 | */ |
| 5 | |
| 6 | #include <common.h> |
| 7 | #include <clk-uclass.h> |
| 8 | #include <dm.h> |
| 9 | #include <errno.h> |
| 10 | #include <asm/arch/ccu.h> |
| 11 | #include <dt-bindings/clock/sun50i-h616-ccu.h> |
| 12 | #include <dt-bindings/reset/sun50i-h616-ccu.h> |
| 13 | #include <linux/bitops.h> |
| 14 | |
| 15 | static struct ccu_clk_gate h616_gates[] = { |
| 16 | [CLK_BUS_MMC0] = GATE(0x84c, BIT(0)), |
| 17 | [CLK_BUS_MMC1] = GATE(0x84c, BIT(1)), |
| 18 | [CLK_BUS_MMC2] = GATE(0x84c, BIT(2)), |
| 19 | |
| 20 | [CLK_BUS_UART0] = GATE(0x90c, BIT(0)), |
| 21 | [CLK_BUS_UART1] = GATE(0x90c, BIT(1)), |
| 22 | [CLK_BUS_UART2] = GATE(0x90c, BIT(2)), |
| 23 | [CLK_BUS_UART3] = GATE(0x90c, BIT(3)), |
| 24 | [CLK_BUS_UART4] = GATE(0x90c, BIT(4)), |
| 25 | [CLK_BUS_UART5] = GATE(0x90c, BIT(5)), |
| 26 | |
| 27 | [CLK_SPI0] = GATE(0x940, BIT(31)), |
| 28 | [CLK_SPI1] = GATE(0x944, BIT(31)), |
| 29 | |
| 30 | [CLK_BUS_SPI0] = GATE(0x96c, BIT(0)), |
| 31 | [CLK_BUS_SPI1] = GATE(0x96c, BIT(1)), |
| 32 | |
| 33 | [CLK_BUS_EMAC0] = GATE(0x97c, BIT(0)), |
| 34 | [CLK_BUS_EMAC1] = GATE(0x97c, BIT(1)), |
| 35 | |
| 36 | [CLK_USB_PHY0] = GATE(0xa70, BIT(29)), |
| 37 | [CLK_USB_OHCI0] = GATE(0xa70, BIT(31)), |
| 38 | |
| 39 | [CLK_USB_PHY1] = GATE(0xa74, BIT(29)), |
| 40 | [CLK_USB_OHCI1] = GATE(0xa74, BIT(31)), |
| 41 | |
| 42 | [CLK_USB_PHY2] = GATE(0xa78, BIT(29)), |
| 43 | [CLK_USB_OHCI2] = GATE(0xa78, BIT(31)), |
| 44 | |
| 45 | [CLK_USB_PHY3] = GATE(0xa7c, BIT(29)), |
| 46 | [CLK_USB_OHCI3] = GATE(0xa7c, BIT(31)), |
| 47 | |
| 48 | [CLK_BUS_OHCI0] = GATE(0xa8c, BIT(0)), |
| 49 | [CLK_BUS_OHCI1] = GATE(0xa8c, BIT(1)), |
| 50 | [CLK_BUS_OHCI2] = GATE(0xa8c, BIT(2)), |
| 51 | [CLK_BUS_OHCI3] = GATE(0xa8c, BIT(3)), |
| 52 | [CLK_BUS_EHCI0] = GATE(0xa8c, BIT(4)), |
| 53 | [CLK_BUS_EHCI1] = GATE(0xa8c, BIT(5)), |
| 54 | [CLK_BUS_EHCI2] = GATE(0xa8c, BIT(6)), |
| 55 | [CLK_BUS_EHCI3] = GATE(0xa8c, BIT(7)), |
| 56 | [CLK_BUS_OTG] = GATE(0xa8c, BIT(8)), |
| 57 | }; |
| 58 | |
| 59 | static struct ccu_reset h616_resets[] = { |
| 60 | [RST_BUS_MMC0] = RESET(0x84c, BIT(16)), |
| 61 | [RST_BUS_MMC1] = RESET(0x84c, BIT(17)), |
| 62 | [RST_BUS_MMC2] = RESET(0x84c, BIT(18)), |
| 63 | |
| 64 | [RST_BUS_UART0] = RESET(0x90c, BIT(16)), |
| 65 | [RST_BUS_UART1] = RESET(0x90c, BIT(17)), |
| 66 | [RST_BUS_UART2] = RESET(0x90c, BIT(18)), |
| 67 | [RST_BUS_UART3] = RESET(0x90c, BIT(19)), |
| 68 | [RST_BUS_UART4] = RESET(0x90c, BIT(20)), |
| 69 | [RST_BUS_UART5] = RESET(0x90c, BIT(21)), |
| 70 | |
| 71 | [RST_BUS_SPI0] = RESET(0x96c, BIT(16)), |
| 72 | [RST_BUS_SPI1] = RESET(0x96c, BIT(17)), |
| 73 | |
| 74 | [RST_BUS_EMAC0] = RESET(0x97c, BIT(16)), |
| 75 | [RST_BUS_EMAC1] = RESET(0x97c, BIT(17)), |
| 76 | |
| 77 | [RST_USB_PHY0] = RESET(0xa70, BIT(30)), |
| 78 | |
| 79 | [RST_USB_PHY1] = RESET(0xa74, BIT(30)), |
| 80 | |
| 81 | [RST_USB_PHY2] = RESET(0xa78, BIT(30)), |
| 82 | |
| 83 | [RST_USB_PHY3] = RESET(0xa7c, BIT(30)), |
| 84 | |
| 85 | [RST_BUS_OHCI0] = RESET(0xa8c, BIT(16)), |
| 86 | [RST_BUS_OHCI1] = RESET(0xa8c, BIT(17)), |
| 87 | [RST_BUS_OHCI2] = RESET(0xa8c, BIT(18)), |
| 88 | [RST_BUS_OHCI3] = RESET(0xa8c, BIT(19)), |
| 89 | [RST_BUS_EHCI0] = RESET(0xa8c, BIT(20)), |
| 90 | [RST_BUS_EHCI1] = RESET(0xa8c, BIT(21)), |
| 91 | [RST_BUS_EHCI2] = RESET(0xa8c, BIT(22)), |
| 92 | [RST_BUS_EHCI3] = RESET(0xa8c, BIT(23)), |
| 93 | [RST_BUS_OTG] = RESET(0xa8c, BIT(24)), |
| 94 | }; |
| 95 | |
| 96 | static const struct ccu_desc h616_ccu_desc = { |
| 97 | .gates = h616_gates, |
| 98 | .resets = h616_resets, |
| 99 | }; |
| 100 | |
| 101 | static int h616_clk_bind(struct udevice *dev) |
| 102 | { |
| 103 | return sunxi_reset_bind(dev, ARRAY_SIZE(h616_resets)); |
| 104 | } |
| 105 | |
| 106 | static const struct udevice_id h616_ccu_ids[] = { |
| 107 | { .compatible = "allwinner,sun50i-h616-ccu", |
| 108 | .data = (ulong)&h616_ccu_desc }, |
| 109 | { } |
| 110 | }; |
| 111 | |
| 112 | U_BOOT_DRIVER(clk_sun50i_h616) = { |
| 113 | .name = "sun50i_h616_ccu", |
| 114 | .id = UCLASS_CLK, |
| 115 | .of_match = h616_ccu_ids, |
| 116 | .priv_auto = sizeof(struct ccu_priv), |
| 117 | .ops = &sunxi_clk_ops, |
| 118 | .probe = sunxi_clk_probe, |
| 119 | .bind = h616_clk_bind, |
| 120 | }; |