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/sun6i-a31-ccu.h> 13 #include <dt-bindings/reset/sun6i-a31-ccu.h> 14 15 static struct ccu_clk_gate a31_gates[] = { 16 [CLK_AHB1_OTG] = GATE(0x060, BIT(24)), 17 [CLK_AHB1_EHCI0] = GATE(0x060, BIT(26)), 18 [CLK_AHB1_EHCI1] = GATE(0x060, BIT(27)), 19 [CLK_AHB1_OHCI0] = GATE(0x060, BIT(29)), 20 [CLK_AHB1_OHCI1] = GATE(0x060, BIT(30)), 21 [CLK_AHB1_OHCI2] = GATE(0x060, BIT(31)), 22 23 [CLK_APB2_UART0] = GATE(0x06c, BIT(16)), 24 [CLK_APB2_UART1] = GATE(0x06c, BIT(17)), 25 [CLK_APB2_UART2] = GATE(0x06c, BIT(18)), 26 [CLK_APB2_UART3] = GATE(0x06c, BIT(19)), 27 [CLK_APB2_UART4] = GATE(0x06c, BIT(20)), 28 [CLK_APB2_UART5] = GATE(0x06c, BIT(21)), 29 30 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)), 31 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)), 32 [CLK_USB_PHY2] = GATE(0x0cc, BIT(10)), 33 [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)), 34 [CLK_USB_OHCI1] = GATE(0x0cc, BIT(17)), 35 [CLK_USB_OHCI2] = GATE(0x0cc, BIT(18)), 36 }; 37 38 static struct ccu_reset a31_resets[] = { 39 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)), 40 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)), 41 [RST_USB_PHY2] = RESET(0x0cc, BIT(2)), 42 43 [RST_AHB1_OTG] = RESET(0x2c0, BIT(24)), 44 [RST_AHB1_EHCI0] = RESET(0x2c0, BIT(26)), 45 [RST_AHB1_EHCI1] = RESET(0x2c0, BIT(27)), 46 [RST_AHB1_OHCI0] = RESET(0x2c0, BIT(29)), 47 [RST_AHB1_OHCI1] = RESET(0x2c0, BIT(30)), 48 [RST_AHB1_OHCI2] = RESET(0x2c0, BIT(31)), 49 50 [RST_APB2_UART0] = RESET(0x2d8, BIT(16)), 51 [RST_APB2_UART1] = RESET(0x2d8, BIT(17)), 52 [RST_APB2_UART2] = RESET(0x2d8, BIT(18)), 53 [RST_APB2_UART3] = RESET(0x2d8, BIT(19)), 54 [RST_APB2_UART4] = RESET(0x2d8, BIT(20)), 55 [RST_APB2_UART5] = RESET(0x2d8, BIT(21)), 56 }; 57 58 static const struct ccu_desc a31_ccu_desc = { 59 .gates = a31_gates, 60 .resets = a31_resets, 61 }; 62 63 static int a31_clk_bind(struct udevice *dev) 64 { 65 return sunxi_reset_bind(dev, ARRAY_SIZE(a31_resets)); 66 } 67 68 static const struct udevice_id a31_clk_ids[] = { 69 { .compatible = "allwinner,sun6i-a31-ccu", 70 .data = (ulong)&a31_ccu_desc }, 71 { } 72 }; 73 74 U_BOOT_DRIVER(clk_sun6i_a31) = { 75 .name = "sun6i_a31_ccu", 76 .id = UCLASS_CLK, 77 .of_match = a31_clk_ids, 78 .priv_auto_alloc_size = sizeof(struct ccu_priv), 79 .ops = &sunxi_clk_ops, 80 .probe = sunxi_clk_probe, 81 .bind = a31_clk_bind, 82 }; 83