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gerrit-public.fairphone.software / kernel / msm-4.19 / ea01a31b90581a94cdeef7fda9e4522f15ef64f2 / . / drivers / clk / mediatek / clk-mt6797-mm.c
blob: c57d3eed270d28ae70a901f8b539d27c0eb71c70 [file] [log] [blame]
Kevin-CW Chen96596aa2017-04-08 09:20:30 +0800[diff] [blame]1/*
2 * Copyright (c) 2017 MediaTek Inc.
3 * Author: Kevin Chen <kevin-cw.chen@mediatek.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15#include <linux/clk-provider.h>
16#include <linux/platform_device.h>
17#include <dt-bindings/clock/mt6797-clk.h>
18
19#include "clk-mtk.h"
20#include "clk-gate.h"
21
22static const struct mtk_gate_regs mm0_cg_regs = {
23 .set_ofs = 0x0104,
24 .clr_ofs = 0x0108,
25 .sta_ofs = 0x0100,
26};
27
28static const struct mtk_gate_regs mm1_cg_regs = {
29 .set_ofs = 0x0114,
30 .clr_ofs = 0x0118,
31 .sta_ofs = 0x0110,
32};
33
34#define GATE_MM0(_id, _name, _parent, _shift) { \
35 .id = _id, \
36 .name = _name, \
37 .parent_name = _parent, \
38 .regs = &mm0_cg_regs, \
39 .shift = _shift, \
40 .ops = &mtk_clk_gate_ops_setclr, \
41}
42
43#define GATE_MM1(_id, _name, _parent, _shift) { \
44 .id = _id, \
45 .name = _name, \
46 .parent_name = _parent, \
47 .regs = &mm1_cg_regs, \
48 .shift = _shift, \
49 .ops = &mtk_clk_gate_ops_setclr, \
50}
51
52static const struct mtk_gate mm_clks[] = {
53 GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
54 GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
55 GATE_MM0(CLK_MM_SMI_LARB5, "mm_smi_larb5", "mm_sel", 2),
56 GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 3),
57 GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 4),
58 GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 5),
59 GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 6),
60 GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 7),
61 GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 8),
62 GATE_MM0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 9),
63 GATE_MM0(CLK_MM_MDP_COLOR, "mm_mdp_color", "mm_sel", 10),
64 GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
65 GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12),
66 GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13),
67 GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14),
68 GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 15),
69 GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 16),
70 GATE_MM0(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 17),
71 GATE_MM0(CLK_MM_DISP_OVL1_2L, "mm_disp_ovl1_2l", "mm_sel", 18),
72 GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 19),
73 GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 20),
74 GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21),
75 GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22),
76 GATE_MM0(CLK_MM_DISP_COLOR, "mm_disp_color", "mm_sel", 23),
77 GATE_MM0(CLK_MM_DISP_CCORR, "mm_disp_ccorr", "mm_sel", 24),
78 GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25),
79 GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26),
80 GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 27),
81 GATE_MM0(CLK_MM_DISP_DITHER, "mm_disp_dither", "mm_sel", 28),
82 GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 29),
83 GATE_MM0(CLK_MM_DISP_DSC, "mm_disp_dsc", "mm_sel", 30),
84 GATE_MM0(CLK_MM_DISP_SPLIT, "mm_disp_split", "mm_sel", 31),
85 GATE_MM1(CLK_MM_DSI0_MM_CLOCK, "mm_dsi0_mm_clock", "mm_sel", 0),
86 GATE_MM1(CLK_MM_DSI1_MM_CLOCK, "mm_dsi1_mm_clock", "mm_sel", 2),
87 GATE_MM1(CLK_MM_DPI_MM_CLOCK, "mm_dpi_mm_clock", "mm_sel", 4),
88 GATE_MM1(CLK_MM_DPI_INTERFACE_CLOCK, "mm_dpi_interface_clock",
89 "dpi0_sel", 5),
90 GATE_MM1(CLK_MM_LARB4_AXI_ASIF_MM_CLOCK, "mm_larb4_axi_asif_mm_clock",
91 "mm_sel", 6),
92 GATE_MM1(CLK_MM_LARB4_AXI_ASIF_MJC_CLOCK, "mm_larb4_axi_asif_mjc_clock",
93 "mjc_sel", 7),
94 GATE_MM1(CLK_MM_DISP_OVL0_MOUT_CLOCK, "mm_disp_ovl0_mout_clock",
95 "mm_sel", 8),
96 GATE_MM1(CLK_MM_FAKE_ENG2, "mm_fake_eng2", "mm_sel", 9),
97 GATE_MM1(CLK_MM_DSI0_INTERFACE_CLOCK, "mm_dsi0_interface_clock",
98 "clk26m", 1),
99 GATE_MM1(CLK_MM_DSI1_INTERFACE_CLOCK, "mm_dsi1_interface_clock",
100 "clk26m", 3),
101};
102
103static const struct of_device_id of_match_clk_mt6797_mm[] = {
104 { .compatible = "mediatek,mt6797-mmsys", },
105 {}
106};
107
108static int clk_mt6797_mm_probe(struct platform_device *pdev)
109{
110 struct clk_onecell_data *clk_data;
111 int r;
112 struct device_node *node = pdev->dev.of_node;
113
114 clk_data = mtk_alloc_clk_data(CLK_MM_NR);
115
116 mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
117 clk_data);
118
119 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
120 if (r)
121 dev_err(&pdev->dev,
122 "could not register clock provider: %s: %d\n",
123 pdev->name, r);
124
125 return r;
126}
127
128static struct platform_driver clk_mt6797_mm_drv = {
129 .probe = clk_mt6797_mm_probe,
130 .driver = {
131 .name = "clk-mt6797-mm",
132 .of_match_table = of_match_clk_mt6797_mm,
133 },
134};
135
136builtin_platform_driver(clk_mt6797_mm_drv);