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/sun50i-h6-ccu.h> 13 #include <dt-bindings/reset/sun50i-h6-ccu.h> 14 15 static struct ccu_clk_gate h6_gates[] = { 16 [CLK_BUS_UART0] = GATE(0x90c, BIT(0)), 17 [CLK_BUS_UART1] = GATE(0x90c, BIT(1)), 18 [CLK_BUS_UART2] = GATE(0x90c, BIT(2)), 19 [CLK_BUS_UART3] = GATE(0x90c, BIT(3)), 20 }; 21 22 static struct ccu_reset h6_resets[] = { 23 [RST_BUS_UART0] = RESET(0x90c, BIT(16)), 24 [RST_BUS_UART1] = RESET(0x90c, BIT(17)), 25 [RST_BUS_UART2] = RESET(0x90c, BIT(18)), 26 [RST_BUS_UART3] = RESET(0x90c, BIT(19)), 27 }; 28 29 static const struct ccu_desc h6_ccu_desc = { 30 .gates = h6_gates, 31 .resets = h6_resets, 32 }; 33 34 static int h6_clk_bind(struct udevice *dev) 35 { 36 return sunxi_reset_bind(dev, ARRAY_SIZE(h6_resets)); 37 } 38 39 static const struct udevice_id h6_ccu_ids[] = { 40 { .compatible = "allwinner,sun50i-h6-ccu", 41 .data = (ulong)&h6_ccu_desc }, 42 { } 43 }; 44 45 U_BOOT_DRIVER(clk_sun50i_h6) = { 46 .name = "sun50i_h6_ccu", 47 .id = UCLASS_CLK, 48 .of_match = h6_ccu_ids, 49 .priv_auto_alloc_size = sizeof(struct ccu_priv), 50 .ops = &sunxi_clk_ops, 51 .probe = sunxi_clk_probe, 52 .bind = h6_clk_bind, 53 }; 54