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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 234c1672a12f74141deab78b0bfcb37c886ba1b1 / . / drivers / clk / sunxi / clk_a10.c
blob: 90b929d3d3216f5581f624433363811105c156e0 [file] [log] [blame]
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]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>
Samuel Holland21d314a2021-09-12 11:48:43 -0500[diff] [blame]11#include <clk/sunxi.h>
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]12#include <dt-bindings/clock/sun4i-a10-ccu.h>
13#include <dt-bindings/reset/sun4i-a10-ccu.h>
Simon Glasscd93d622020-05-10 11:40:13 -0600[diff] [blame]14#include <linux/bitops.h>
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]15
16static struct ccu_clk_gate a10_gates[] = {
17 [CLK_AHB_OTG] = GATE(0x060, BIT(0)),
18 [CLK_AHB_EHCI0] = GATE(0x060, BIT(1)),
19 [CLK_AHB_OHCI0] = GATE(0x060, BIT(2)),
20 [CLK_AHB_EHCI1] = GATE(0x060, BIT(3)),
21 [CLK_AHB_OHCI1] = GATE(0x060, BIT(4)),
Andre Przywarabb3e5aa2019-01-29 15:54:09 +0000[diff] [blame]22 [CLK_AHB_MMC0] = GATE(0x060, BIT(8)),
23 [CLK_AHB_MMC1] = GATE(0x060, BIT(9)),
24 [CLK_AHB_MMC2] = GATE(0x060, BIT(10)),
25 [CLK_AHB_MMC3] = GATE(0x060, BIT(11)),
Jagan Teki3d83c4a2019-02-28 00:26:49 +0530[diff] [blame]26 [CLK_AHB_EMAC] = GATE(0x060, BIT(17)),
Jagan Teki82111462019-02-27 20:02:06 +0530[diff] [blame]27 [CLK_AHB_SPI0] = GATE(0x060, BIT(20)),
28 [CLK_AHB_SPI1] = GATE(0x060, BIT(21)),
29 [CLK_AHB_SPI2] = GATE(0x060, BIT(22)),
30 [CLK_AHB_SPI3] = GATE(0x060, BIT(23)),
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]31
Jagan Teki9d1e1362019-03-28 13:46:11 +0530[diff] [blame]32 [CLK_AHB_GMAC] = GATE(0x064, BIT(17)),
33
Samuel Hollandc61897b2021-09-12 09:47:24 -0500[diff] [blame]34 [CLK_APB1_I2C0] = GATE(0x06c, BIT(0)),
35 [CLK_APB1_I2C1] = GATE(0x06c, BIT(1)),
36 [CLK_APB1_I2C2] = GATE(0x06c, BIT(2)),
37 [CLK_APB1_I2C3] = GATE(0x06c, BIT(3)),
38 [CLK_APB1_I2C4] = GATE(0x06c, BIT(15)),
Jagan Teki4acc7112018-12-30 21:29:24 +0530[diff] [blame]39 [CLK_APB1_UART0] = GATE(0x06c, BIT(16)),
40 [CLK_APB1_UART1] = GATE(0x06c, BIT(17)),
41 [CLK_APB1_UART2] = GATE(0x06c, BIT(18)),
42 [CLK_APB1_UART3] = GATE(0x06c, BIT(19)),
43 [CLK_APB1_UART4] = GATE(0x06c, BIT(20)),
44 [CLK_APB1_UART5] = GATE(0x06c, BIT(21)),
45 [CLK_APB1_UART6] = GATE(0x06c, BIT(22)),
46 [CLK_APB1_UART7] = GATE(0x06c, BIT(23)),
47
Jagan Teki82111462019-02-27 20:02:06 +0530[diff] [blame]48 [CLK_SPI0] = GATE(0x0a0, BIT(31)),
49 [CLK_SPI1] = GATE(0x0a4, BIT(31)),
50 [CLK_SPI2] = GATE(0x0a8, BIT(31)),
51
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]52 [CLK_USB_OHCI0] = GATE(0x0cc, BIT(6)),
53 [CLK_USB_OHCI1] = GATE(0x0cc, BIT(7)),
54 [CLK_USB_PHY] = GATE(0x0cc, BIT(8)),
Jagan Teki82111462019-02-27 20:02:06 +0530[diff] [blame]55
56 [CLK_SPI3] = GATE(0x0d4, BIT(31)),
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]57};
58
59static struct ccu_reset a10_resets[] = {
60 [RST_USB_PHY0] = RESET(0x0cc, BIT(0)),
61 [RST_USB_PHY1] = RESET(0x0cc, BIT(1)),
62 [RST_USB_PHY2] = RESET(0x0cc, BIT(2)),
63};
64
65static const struct ccu_desc a10_ccu_desc = {
66 .gates = a10_gates,
67 .resets = a10_resets,
68};
69
70static int a10_clk_bind(struct udevice *dev)
71{
72 return sunxi_reset_bind(dev, ARRAY_SIZE(a10_resets));
73}
74
75static const struct udevice_id a10_ccu_ids[] = {
76 { .compatible = "allwinner,sun4i-a10-ccu",
77 .data = (ulong)&a10_ccu_desc },
78 { .compatible = "allwinner,sun7i-a20-ccu",
79 .data = (ulong)&a10_ccu_desc },
80 { }
81};
82
83U_BOOT_DRIVER(clk_sun4i_a10) = {
84 .name = "sun4i_a10_ccu",
85 .id = UCLASS_CLK,
86 .of_match = a10_ccu_ids,
Simon Glass41575d82020-12-03 16:55:17 -0700[diff] [blame]87 .priv_auto = sizeof(struct ccu_priv),
Jagan Teki6590bd82018-08-02 16:52:37 +0530[diff] [blame]88 .ops = &sunxi_clk_ops,
89 .probe = sunxi_clk_probe,
90 .bind = a10_clk_bind,
91};