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