1 // SPDX-License-Identifier: GPL-2.0+ 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/sun50i-a64-ccu.h> 13 #include <dt-bindings/reset/sun50i-a64-ccu.h> 14 15 static const struct ccu_clk_gate a64_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_OTG] = GATE(0x060, BIT(23)), 20 [CLK_BUS_EHCI0] = GATE(0x060, BIT(24)), 21 [CLK_BUS_EHCI1] = GATE(0x060, BIT(25)), 22 [CLK_BUS_OHCI0] = GATE(0x060, BIT(28)), 23 [CLK_BUS_OHCI1] = GATE(0x060, BIT(29)), 24 25 [CLK_BUS_UART0] = GATE(0x06c, BIT(16)), 26 [CLK_BUS_UART1] = GATE(0x06c, BIT(17)), 27 [CLK_BUS_UART2] = GATE(0x06c, BIT(18)), 28 [CLK_BUS_UART3] = GATE(0x06c, BIT(19)), 29 [CLK_BUS_UART4] = GATE(0x06c, BIT(20)), 30 31 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), 32 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), 33 [CLK_USB_HSIC] = GATE(0x0cc, BIT(10)), 34 [CLK_USB_HSIC_12M] = GATE(0x0cc, BIT(11)), 35 [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)), 36 [CLK_USB_OHCI1] = GATE(0x0cc, BIT(17)), 37 }; 38 39 static const struct ccu_reset a64_resets[] = { 40 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), 41 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), 42 [RST_USB_HSIC] = RESET(0x0cc, BIT(2)), 43 44 [RST_BUS_MMC0] = RESET(0x2c0, BIT(8)), 45 [RST_BUS_MMC1] = RESET(0x2c0, BIT(9)), 46 [RST_BUS_MMC2] = RESET(0x2c0, BIT(10)), 47 [RST_BUS_OTG] = RESET(0x2c0, BIT(23)), 48 [RST_BUS_EHCI0] = RESET(0x2c0, BIT(24)), 49 [RST_BUS_EHCI1] = RESET(0x2c0, BIT(25)), 50 [RST_BUS_OHCI0] = RESET(0x2c0, BIT(28)), 51 [RST_BUS_OHCI1] = RESET(0x2c0, BIT(29)), 52 53 [RST_BUS_UART0] = RESET(0x2d8, BIT(16)), 54 [RST_BUS_UART1] = RESET(0x2d8, BIT(17)), 55 [RST_BUS_UART2] = RESET(0x2d8, BIT(18)), 56 [RST_BUS_UART3] = RESET(0x2d8, BIT(19)), 57 [RST_BUS_UART4] = RESET(0x2d8, BIT(20)), 58 }; 59 60 static const struct ccu_desc a64_ccu_desc = { 61 .gates = a64_gates, 62 .resets = a64_resets, 63 }; 64 65 static int a64_clk_bind(struct udevice *dev) 66 { 67 return sunxi_reset_bind(dev, ARRAY_SIZE(a64_resets)); 68 } 69 70 static const struct udevice_id a64_ccu_ids[] = { 71 { .compatible = "allwinner,sun50i-a64-ccu", 72 .data = (ulong)&a64_ccu_desc }, 73 { } 74 }; 75 76 U_BOOT_DRIVER(clk_sun50i_a64) = { 77 .name = "sun50i_a64_ccu", 78 .id = UCLASS_CLK, 79 .of_match = a64_ccu_ids, 80 .priv_auto_alloc_size = sizeof(struct ccu_priv), 81 .ops = &sunxi_clk_ops, 82 .probe = sunxi_clk_probe, 83 .bind = a64_clk_bind, 84 }; 85