xref: /openbmc/u-boot/drivers/clk/sunxi/clk_a10s.c (revision 0cd9465c)
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 	[CLK_AHB_MMC0]		= GATE(0x060, BIT(8)),
20 	[CLK_AHB_MMC1]		= GATE(0x060, BIT(9)),
21 	[CLK_AHB_MMC2]		= GATE(0x060, BIT(10)),
22 
23 	[CLK_APB1_UART0]	= GATE(0x06c, BIT(16)),
24 	[CLK_APB1_UART1]	= GATE(0x06c, BIT(17)),
25 	[CLK_APB1_UART2]	= GATE(0x06c, BIT(18)),
26 	[CLK_APB1_UART3]	= GATE(0x06c, BIT(19)),
27 
28 	[CLK_USB_OHCI]		= GATE(0x0cc, BIT(6)),
29 	[CLK_USB_PHY0]		= GATE(0x0cc, BIT(8)),
30 	[CLK_USB_PHY1]		= GATE(0x0cc, BIT(9)),
31 };
32 
33 static struct ccu_reset a10s_resets[] = {
34 	[RST_USB_PHY0]		= RESET(0x0cc, BIT(0)),
35 	[RST_USB_PHY1]		= RESET(0x0cc, BIT(1)),
36 };
37 
38 static const struct ccu_desc a10s_ccu_desc = {
39 	.gates = a10s_gates,
40 	.resets = a10s_resets,
41 };
42 
43 static int a10s_clk_bind(struct udevice *dev)
44 {
45 	return sunxi_reset_bind(dev, ARRAY_SIZE(a10s_resets));
46 }
47 
48 static const struct udevice_id a10s_ccu_ids[] = {
49 	{ .compatible = "allwinner,sun5i-a10s-ccu",
50 	  .data = (ulong)&a10s_ccu_desc },
51 	{ .compatible = "allwinner,sun5i-a13-ccu",
52 	  .data = (ulong)&a10s_ccu_desc },
53 	{ }
54 };
55 
56 U_BOOT_DRIVER(clk_sun5i_a10s) = {
57 	.name		= "sun5i_a10s_ccu",
58 	.id		= UCLASS_CLK,
59 	.of_match	= a10s_ccu_ids,
60 	.priv_auto_alloc_size	= sizeof(struct ccu_priv),
61 	.ops		= &sunxi_clk_ops,
62 	.probe		= sunxi_clk_probe,
63 	.bind		= a10s_clk_bind,
64 };
65