1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2 /* 3 * Copyright (C) 2018 Amarula Solutions B.V. 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-a23-a33-ccu.h> 13 #include <dt-bindings/reset/sun8i-a23-a33-ccu.h> 14 15 static struct ccu_clk_gate a23_gates[] = { 16 [CLK_BUS_OTG] = GATE(0x060, BIT(24)), 17 [CLK_BUS_EHCI] = GATE(0x060, BIT(26)), 18 [CLK_BUS_OHCI] = GATE(0x060, BIT(29)), 19 20 [CLK_BUS_UART0] = GATE(0x06c, BIT(16)), 21 [CLK_BUS_UART1] = GATE(0x06c, BIT(17)), 22 [CLK_BUS_UART2] = GATE(0x06c, BIT(18)), 23 [CLK_BUS_UART3] = GATE(0x06c, BIT(19)), 24 [CLK_BUS_UART4] = GATE(0x06c, BIT(20)), 25 26 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), 27 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), 28 [CLK_USB_HSIC] = GATE(0x0cc, BIT(10)), 29 [CLK_USB_HSIC_12M] = GATE(0x0cc, BIT(11)), 30 [CLK_USB_OHCI] = GATE(0x0cc, BIT(16)), 31 }; 32 33 static struct ccu_reset a23_resets[] = { 34 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), 35 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), 36 [RST_USB_HSIC] = RESET(0x0cc, BIT(2)), 37 38 [RST_BUS_OTG] = RESET(0x2c0, BIT(24)), 39 [RST_BUS_EHCI] = RESET(0x2c0, BIT(26)), 40 [RST_BUS_OHCI] = RESET(0x2c0, BIT(29)), 41 }; 42 43 static const struct ccu_desc a23_ccu_desc = { 44 .gates = a23_gates, 45 .resets = a23_resets, 46 }; 47 48 static int a23_clk_bind(struct udevice *dev) 49 { 50 return sunxi_reset_bind(dev, ARRAY_SIZE(a23_resets)); 51 } 52 53 static const struct udevice_id a23_clk_ids[] = { 54 { .compatible = "allwinner,sun8i-a23-ccu", 55 .data = (ulong)&a23_ccu_desc }, 56 { .compatible = "allwinner,sun8i-a33-ccu", 57 .data = (ulong)&a23_ccu_desc }, 58 { } 59 }; 60 61 U_BOOT_DRIVER(clk_sun8i_a23) = { 62 .name = "sun8i_a23_ccu", 63 .id = UCLASS_CLK, 64 .of_match = a23_clk_ids, 65 .priv_auto_alloc_size = sizeof(struct ccu_priv), 66 .ops = &sunxi_clk_ops, 67 .probe = sunxi_clk_probe, 68 .bind = a23_clk_bind, 69 }; 70