clk: mediatek: Add MT8192 msdc clock support
[linux-block.git] / drivers / clk / mediatek / clk-mt8192-msdc.c
CommitLineData
a1a5b6b0
CJC
1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright (c) 2021 MediaTek Inc.
4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5
6#include <linux/clk-provider.h>
7#include <linux/of_device.h>
8#include <linux/platform_device.h>
9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13#include <dt-bindings/clock/mt8192-clk.h>
14
15static const struct mtk_gate_regs msdc_cg_regs = {
16 .set_ofs = 0xb4,
17 .clr_ofs = 0xb4,
18 .sta_ofs = 0xb4,
19};
20
21static const struct mtk_gate_regs msdc_top_cg_regs = {
22 .set_ofs = 0x0,
23 .clr_ofs = 0x0,
24 .sta_ofs = 0x0,
25};
26
27#define GATE_MSDC(_id, _name, _parent, _shift) \
28 GATE_MTK(_id, _name, _parent, &msdc_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
29
30#define GATE_MSDC_TOP(_id, _name, _parent, _shift) \
31 GATE_MTK(_id, _name, _parent, &msdc_top_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
32
33static const struct mtk_gate msdc_clks[] = {
34 GATE_MSDC(CLK_MSDC_AXI_WRAP, "msdc_axi_wrap", "axi_sel", 22),
35};
36
37static const struct mtk_gate msdc_top_clks[] = {
38 GATE_MSDC_TOP(CLK_MSDC_TOP_AES_0P, "msdc_top_aes_0p", "aes_msdcfde_sel", 0),
39 GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_0P, "msdc_top_src_0p", "infra_msdc0_src", 1),
40 GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_1P, "msdc_top_src_1p", "infra_msdc1_src", 2),
41 GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_2P, "msdc_top_src_2p", "infra_msdc2_src", 3),
42 GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC0, "msdc_top_p_msdc0", "axi_sel", 4),
43 GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC1, "msdc_top_p_msdc1", "axi_sel", 5),
44 GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC2, "msdc_top_p_msdc2", "axi_sel", 6),
45 GATE_MSDC_TOP(CLK_MSDC_TOP_P_CFG, "msdc_top_p_cfg", "axi_sel", 7),
46 GATE_MSDC_TOP(CLK_MSDC_TOP_AXI, "msdc_top_axi", "axi_sel", 8),
47 GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_0P, "msdc_top_h_mst_0p", "infra_msdc0", 9),
48 GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_1P, "msdc_top_h_mst_1p", "infra_msdc1", 10),
49 GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_2P, "msdc_top_h_mst_2p", "infra_msdc2", 11),
50 GATE_MSDC_TOP(CLK_MSDC_TOP_MEM_OFF_DLY_26M, "msdc_top_mem_off_dly_26m", "clk26m", 12),
51 GATE_MSDC_TOP(CLK_MSDC_TOP_32K, "msdc_top_32k", "clk32k", 13),
52 GATE_MSDC_TOP(CLK_MSDC_TOP_AHB2AXI_BRG_AXI, "msdc_top_ahb2axi_brg_axi", "axi_sel", 14),
53};
54
55static const struct mtk_clk_desc msdc_desc = {
56 .clks = msdc_clks,
57 .num_clks = ARRAY_SIZE(msdc_clks),
58};
59
60static const struct mtk_clk_desc msdc_top_desc = {
61 .clks = msdc_top_clks,
62 .num_clks = ARRAY_SIZE(msdc_top_clks),
63};
64
65static const struct of_device_id of_match_clk_mt8192_msdc[] = {
66 {
67 .compatible = "mediatek,mt8192-msdc",
68 .data = &msdc_desc,
69 }, {
70 .compatible = "mediatek,mt8192-msdc_top",
71 .data = &msdc_top_desc,
72 }, {
73 /* sentinel */
74 }
75};
76
77static struct platform_driver clk_mt8192_msdc_drv = {
78 .probe = mtk_clk_simple_probe,
79 .driver = {
80 .name = "clk-mt8192-msdc",
81 .of_match_table = of_match_clk_mt8192_msdc,
82 },
83};
84
85builtin_platform_driver(clk_mt8192_msdc_drv);