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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / bb3e5aa2896d69a6fe86861004d7d4e33824efbe / . / drivers / clk / sunxi / clk_a31.c
blob: 5bd8b7dcccfa935e7bad1448171a2f468a52c80c [file] [log] [blame]
Jagan Teki4927e2e2018-08-02 23:15:34 +0530[diff] [blame]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
15static struct ccu_clk_gate a31_gates[] = {
Andre Przywarabb3e5aa2019-01-29 15:54:09 +0000[diff] [blame^]16 [CLK_AHB1_MMC0] = GATE(0x060, BIT(8)),
17 [CLK_AHB1_MMC1] = GATE(0x060, BIT(9)),
18 [CLK_AHB1_MMC2] = GATE(0x060, BIT(10)),
19 [CLK_AHB1_MMC3] = GATE(0x060, BIT(11)),
Jagan Teki4927e2e2018-08-02 23:15:34 +0530[diff] [blame]20 [CLK_AHB1_OTG] = GATE(0x060, BIT(24)),
21 [CLK_AHB1_EHCI0] = GATE(0x060, BIT(26)),
22 [CLK_AHB1_EHCI1] = GATE(0x060, BIT(27)),
23 [CLK_AHB1_OHCI0] = GATE(0x060, BIT(29)),
24 [CLK_AHB1_OHCI1] = GATE(0x060, BIT(30)),
25 [CLK_AHB1_OHCI2] = GATE(0x060, BIT(31)),
26
Jagan Teki4acc7112018-12-30 21:29:24 +0530[diff] [blame]27 [CLK_APB2_UART0] = GATE(0x06c, BIT(16)),
28 [CLK_APB2_UART1] = GATE(0x06c, BIT(17)),
29 [CLK_APB2_UART2] = GATE(0x06c, BIT(18)),
30 [CLK_APB2_UART3] = GATE(0x06c, BIT(19)),
31 [CLK_APB2_UART4] = GATE(0x06c, BIT(20)),
32 [CLK_APB2_UART5] = GATE(0x06c, BIT(21)),
33
Jagan Teki4927e2e2018-08-02 23:15:34 +0530[diff] [blame]34 [CLK_USB_PHY0] = GATE(0x0cc, BIT(8)),
35 [CLK_USB_PHY1] = GATE(0x0cc, BIT(9)),
36 [CLK_USB_PHY2] = GATE(0x0cc, BIT(10)),
37 [CLK_USB_OHCI0] = GATE(0x0cc, BIT(16)),
38 [CLK_USB_OHCI1] = GATE(0x0cc, BIT(17)),
39 [CLK_USB_OHCI2] = GATE(0x0cc, BIT(18)),
40};
41
42static struct ccu_reset a31_resets[] = {
43 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
44 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
45 [RST_USB_PHY2] = RESET(0x0cc, BIT(2)),
46
Andre Przywarabb3e5aa2019-01-29 15:54:09 +0000[diff] [blame^]47 [RST_AHB1_MMC0] = RESET(0x2c0, BIT(8)),
48 [RST_AHB1_MMC1] = RESET(0x2c0, BIT(9)),
49 [RST_AHB1_MMC2] = RESET(0x2c0, BIT(10)),
50 [RST_AHB1_MMC3] = RESET(0x2c0, BIT(11)),
Jagan Teki4927e2e2018-08-02 23:15:34 +0530[diff] [blame]51 [RST_AHB1_OTG] = RESET(0x2c0, BIT(24)),
52 [RST_AHB1_EHCI0] = RESET(0x2c0, BIT(26)),
53 [RST_AHB1_EHCI1] = RESET(0x2c0, BIT(27)),
54 [RST_AHB1_OHCI0] = RESET(0x2c0, BIT(29)),
55 [RST_AHB1_OHCI1] = RESET(0x2c0, BIT(30)),
56 [RST_AHB1_OHCI2] = RESET(0x2c0, BIT(31)),
Jagan Teki8606f962018-12-30 21:37:31 +0530[diff] [blame]57
58 [RST_APB2_UART0] = RESET(0x2d8, BIT(16)),
59 [RST_APB2_UART1] = RESET(0x2d8, BIT(17)),
60 [RST_APB2_UART2] = RESET(0x2d8, BIT(18)),
61 [RST_APB2_UART3] = RESET(0x2d8, BIT(19)),
62 [RST_APB2_UART4] = RESET(0x2d8, BIT(20)),
63 [RST_APB2_UART5] = RESET(0x2d8, BIT(21)),
Jagan Teki4927e2e2018-08-02 23:15:34 +0530[diff] [blame]64};
65
66static const struct ccu_desc a31_ccu_desc = {
67 .gates = a31_gates,
68 .resets = a31_resets,
69};
70
71static int a31_clk_bind(struct udevice *dev)
72{
73 return sunxi_reset_bind(dev, ARRAY_SIZE(a31_resets));
74}
75
76static const struct udevice_id a31_clk_ids[] = {
77 { .compatible = "allwinner,sun6i-a31-ccu",
78 .data = (ulong)&a31_ccu_desc },
79 { }
80};
81
82U_BOOT_DRIVER(clk_sun6i_a31) = {
83 .name = "sun6i_a31_ccu",
84 .id = UCLASS_CLK,
85 .of_match = a31_clk_ids,
86 .priv_auto_alloc_size = sizeof(struct ccu_priv),
87 .ops = &sunxi_clk_ops,
88 .probe = sunxi_clk_probe,
89 .bind = a31_clk_bind,
90};