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/sun8i-r40-ccu.h> 13 #include <dt-bindings/reset/sun8i-r40-ccu.h> 14 15 static struct ccu_clk_gate r40_gates[] = { 16 [CLK_BUS_MMC0] = GATE(0x060, BIT(8)), 17 [CLK_BUS_MMC1] = GATE(0x060, BIT(9)), 18 [CLK_BUS_MMC2] = GATE(0x060, BIT(10)), 19 [CLK_BUS_MMC3] = GATE(0x060, BIT(11)), 20 [CLK_BUS_SPI0] = GATE(0x060, BIT(20)), 21 [CLK_BUS_SPI1] = GATE(0x060, BIT(21)), 22 [CLK_BUS_SPI2] = GATE(0x060, BIT(22)), 23 [CLK_BUS_SPI3] = GATE(0x060, BIT(23)), 24 [CLK_BUS_OTG] = GATE(0x060, BIT(25)), 25 [CLK_BUS_EHCI0] = GATE(0x060, BIT(26)), 26 [CLK_BUS_EHCI1] = GATE(0x060, BIT(27)), 27 [CLK_BUS_EHCI2] = GATE(0x060, BIT(28)), 28 [CLK_BUS_OHCI0] = GATE(0x060, BIT(29)), 29 [CLK_BUS_OHCI1] = GATE(0x060, BIT(30)), 30 [CLK_BUS_OHCI2] = GATE(0x060, BIT(31)), 31 32 [CLK_BUS_UART0] = GATE(0x06c, BIT(16)), 33 [CLK_BUS_UART1] = GATE(0x06c, BIT(17)), 34 [CLK_BUS_UART2] = GATE(0x06c, BIT(18)), 35 [CLK_BUS_UART3] = GATE(0x06c, BIT(19)), 36 [CLK_BUS_UART4] = GATE(0x06c, BIT(20)), 37 [CLK_BUS_UART5] = GATE(0x06c, BIT(21)), 38 [CLK_BUS_UART6] = GATE(0x06c, BIT(22)), 39 [CLK_BUS_UART7] = GATE(0x06c, BIT(23)), 40 41 [CLK_SPI0] = GATE(0x0a0, BIT(31)), 42 [CLK_SPI1] = GATE(0x0a4, BIT(31)), 43 [CLK_SPI2] = GATE(0x0a8, BIT(31)), 44 [CLK_SPI3] = GATE(0x0ac, BIT(31)), 45 46 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), 47 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), 48 [CLK_USB_PHY2] = GATE(0x0cc, BIT(10)), 49 [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)), 50 [CLK_USB_OHCI1] = GATE(0x0cc, BIT(17)), 51 [CLK_USB_OHCI2] = GATE(0x0cc, BIT(18)), 52 }; 53 54 static struct ccu_reset r40_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 [RST_BUS_MMC0] = RESET(0x2c0, BIT(8)), 60 [RST_BUS_MMC1] = RESET(0x2c0, BIT(9)), 61 [RST_BUS_MMC2] = RESET(0x2c0, BIT(10)), 62 [RST_BUS_MMC3] = RESET(0x2c0, BIT(11)), 63 [RST_BUS_SPI0] = RESET(0x2c0, BIT(20)), 64 [RST_BUS_SPI1] = RESET(0x2c0, BIT(21)), 65 [RST_BUS_SPI2] = RESET(0x2c0, BIT(22)), 66 [RST_BUS_SPI3] = RESET(0x2c0, BIT(23)), 67 [RST_BUS_OTG] = RESET(0x2c0, BIT(25)), 68 [RST_BUS_EHCI0] = RESET(0x2c0, BIT(26)), 69 [RST_BUS_EHCI1] = RESET(0x2c0, BIT(27)), 70 [RST_BUS_EHCI2] = RESET(0x2c0, BIT(28)), 71 [RST_BUS_OHCI0] = RESET(0x2c0, BIT(29)), 72 [RST_BUS_OHCI1] = RESET(0x2c0, BIT(30)), 73 [RST_BUS_OHCI2] = RESET(0x2c0, BIT(31)), 74 75 [RST_BUS_UART0] = RESET(0x2d8, BIT(16)), 76 [RST_BUS_UART1] = RESET(0x2d8, BIT(17)), 77 [RST_BUS_UART2] = RESET(0x2d8, BIT(18)), 78 [RST_BUS_UART3] = RESET(0x2d8, BIT(19)), 79 [RST_BUS_UART4] = RESET(0x2d8, BIT(20)), 80 [RST_BUS_UART5] = RESET(0x2d8, BIT(21)), 81 [RST_BUS_UART6] = RESET(0x2d8, BIT(22)), 82 [RST_BUS_UART7] = RESET(0x2d8, BIT(23)), 83 }; 84 85 static const struct ccu_desc r40_ccu_desc = { 86 .gates = r40_gates, 87 .resets = r40_resets, 88 }; 89 90 static int r40_clk_bind(struct udevice *dev) 91 { 92 return sunxi_reset_bind(dev, ARRAY_SIZE(r40_resets)); 93 } 94 95 static const struct udevice_id r40_clk_ids[] = { 96 { .compatible = "allwinner,sun8i-r40-ccu", 97 .data = (ulong)&r40_ccu_desc }, 98 { } 99 }; 100 101 U_BOOT_DRIVER(clk_sun8i_r40) = { 102 .name = "sun8i_r40_ccu", 103 .id = UCLASS_CLK, 104 .of_match = r40_clk_ids, 105 .priv_auto_alloc_size = sizeof(struct ccu_priv), 106 .ops = &sunxi_clk_ops, 107 .probe = sunxi_clk_probe, 108 .bind = r40_clk_bind, 109 }; 110