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-a83t-ccu.h> 13 #include <dt-bindings/reset/sun8i-a83t-ccu.h> 14 15 static struct ccu_clk_gate a83t_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(24)), 20 [CLK_BUS_EHCI0] = GATE(0x060, BIT(26)), 21 [CLK_BUS_EHCI1] = GATE(0x060, BIT(27)), 22 [CLK_BUS_OHCI0] = GATE(0x060, BIT(29)), 23 24 [CLK_BUS_UART0] = GATE(0x06c, BIT(16)), 25 [CLK_BUS_UART1] = GATE(0x06c, BIT(17)), 26 [CLK_BUS_UART2] = GATE(0x06c, BIT(18)), 27 [CLK_BUS_UART3] = GATE(0x06c, BIT(19)), 28 [CLK_BUS_UART4] = GATE(0x06c, BIT(20)), 29 30 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), 31 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), 32 [CLK_USB_HSIC] = GATE(0x0cc, BIT(10)), 33 [CLK_USB_HSIC_12M] = GATE(0x0cc, BIT(11)), 34 [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)), 35 }; 36 37 static struct ccu_reset a83t_resets[] = { 38 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), 39 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), 40 [RST_USB_HSIC] = RESET(0x0cc, BIT(2)), 41 42 [RST_BUS_MMC0] = RESET(0x2c0, BIT(8)), 43 [RST_BUS_MMC1] = RESET(0x2c0, BIT(9)), 44 [RST_BUS_MMC2] = RESET(0x2c0, BIT(10)), 45 [RST_BUS_OTG] = RESET(0x2c0, BIT(24)), 46 [RST_BUS_EHCI0] = RESET(0x2c0, BIT(26)), 47 [RST_BUS_EHCI1] = RESET(0x2c0, BIT(27)), 48 [RST_BUS_OHCI0] = RESET(0x2c0, BIT(29)), 49 50 [RST_BUS_UART0] = RESET(0x2d8, BIT(16)), 51 [RST_BUS_UART1] = RESET(0x2d8, BIT(17)), 52 [RST_BUS_UART2] = RESET(0x2d8, BIT(18)), 53 [RST_BUS_UART3] = RESET(0x2d8, BIT(19)), 54 [RST_BUS_UART4] = RESET(0x2d8, BIT(20)), 55 }; 56 57 static const struct ccu_desc a83t_ccu_desc = { 58 .gates = a83t_gates, 59 .resets = a83t_resets, 60 }; 61 62 static int a83t_clk_bind(struct udevice *dev) 63 { 64 return sunxi_reset_bind(dev, ARRAY_SIZE(a83t_resets)); 65 } 66 67 static const struct udevice_id a83t_clk_ids[] = { 68 { .compatible = "allwinner,sun8i-a83t-ccu", 69 .data = (ulong)&a83t_ccu_desc }, 70 { } 71 }; 72 73 U_BOOT_DRIVER(clk_sun8i_a83t) = { 74 .name = "sun8i_a83t_ccu", 75 .id = UCLASS_CLK, 76 .of_match = a83t_clk_ids, 77 .priv_auto_alloc_size = sizeof(struct ccu_priv), 78 .ops = &sunxi_clk_ops, 79 .probe = sunxi_clk_probe, 80 .bind = a83t_clk_bind, 81 }; 82