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/sun5i-ccu.h> 13 #include <dt-bindings/reset/sun5i-ccu.h> 14 15 static struct ccu_clk_gate a10s_gates[] = { 16 [CLK_AHB_OTG] = GATE(0x060, BIT(0)), 17 [CLK_AHB_EHCI] = GATE(0x060, BIT(1)), 18 [CLK_AHB_OHCI] = GATE(0x060, BIT(2)), 19 20 [CLK_APB1_UART0] = GATE(0x06c, BIT(16)), 21 [CLK_APB1_UART1] = GATE(0x06c, BIT(17)), 22 [CLK_APB1_UART2] = GATE(0x06c, BIT(18)), 23 [CLK_APB1_UART3] = GATE(0x06c, BIT(19)), 24 25 [CLK_USB_OHCI] = GATE(0x0cc, BIT(6)), 26 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), 27 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), 28 }; 29 30 static struct ccu_reset a10s_resets[] = { 31 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), 32 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), 33 }; 34 35 static const struct ccu_desc a10s_ccu_desc = { 36 .gates = a10s_gates, 37 .resets = a10s_resets, 38 }; 39 40 static int a10s_clk_bind(struct udevice *dev) 41 { 42 return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets)); 43 } 44 45 static const struct udevice_id a10s_ccu_ids[] = { 46 { .compatible = "allwinner,sun5i-a10s-ccu", 47 .data = (ulong)&a10s_ccu_desc }, 48 { .compatible = "allwinner,sun5i-a13-ccu", 49 .data = (ulong)&a10s_ccu_desc }, 50 { } 51 }; 52 53 U_BOOT_DRIVER(clk_sun5i_a10s) = { 54 .name = "sun5i_a10s_ccu", 55 .id = UCLASS_CLK, 56 .of_match = a10s_ccu_ids, 57 .priv_auto_alloc_size = sizeof(struct ccu_priv), 58 .ops = &sunxi_clk_ops, 59 .probe = sunxi_clk_probe, 60 .bind = a10s_clk_bind, 61 }; 62