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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / ea443e5e98b5b74e317ef3d26bcaea54931ccdee / . / drivers / clk / mediatek / clk-mt2712-mm.c
blob: 1c5948be35f3f20d6236e7435dea8c66112b1946 [file] [log] [blame]
Thomas Gleixner1802d0b2019-05-27 08:55:21 +0200[diff] [blame]1// SPDX-License-Identifier: GPL-2.0-only
weiyi.lu@mediatek.come2f744a2017-10-23 12:10:34 +0800[diff] [blame]2/*
3 * Copyright (c) 2017 MediaTek Inc.
4 * Author: Weiyi Lu <weiyi.lu@mediatek.com>
weiyi.lu@mediatek.come2f744a2017-10-23 12:10:34 +0800[diff] [blame]5 */
6
7#include <linux/clk-provider.h>
8#include <linux/platform_device.h>
9
10#include "clk-mtk.h"
11#include "clk-gate.h"
12
13#include <dt-bindings/clock/mt2712-clk.h>
14
15static const struct mtk_gate_regs mm0_cg_regs = {
16 .set_ofs = 0x104,
17 .clr_ofs = 0x108,
18 .sta_ofs = 0x100,
19};
20
21static const struct mtk_gate_regs mm1_cg_regs = {
22 .set_ofs = 0x114,
23 .clr_ofs = 0x118,
24 .sta_ofs = 0x110,
25};
26
27static const struct mtk_gate_regs mm2_cg_regs = {
28 .set_ofs = 0x224,
29 .clr_ofs = 0x228,
30 .sta_ofs = 0x220,
31};
32
33#define GATE_MM0(_id, _name, _parent, _shift) { \
34 .id = _id, \
35 .name = _name, \
36 .parent_name = _parent, \
37 .regs = &mm0_cg_regs, \
38 .shift = _shift, \
39 .ops = &mtk_clk_gate_ops_setclr, \
40 }
41
42#define GATE_MM1(_id, _name, _parent, _shift) { \
43 .id = _id, \
44 .name = _name, \
45 .parent_name = _parent, \
46 .regs = &mm1_cg_regs, \
47 .shift = _shift, \
48 .ops = &mtk_clk_gate_ops_setclr, \
49 }
50
51#define GATE_MM2(_id, _name, _parent, _shift) { \
52 .id = _id, \
53 .name = _name, \
54 .parent_name = _parent, \
55 .regs = &mm2_cg_regs, \
56 .shift = _shift, \
57 .ops = &mtk_clk_gate_ops_setclr, \
58 }
59
60static const struct mtk_gate mm_clks[] = {
61 /* MM0 */
62 GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
63 GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
64 GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 2),
65 GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3),
66 GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4),
67 GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5),
68 GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6),
69 GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7),
70 GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8),
71 GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9),
72 GATE_MM0(CLK_MM_MDP_CROP, "mm_mdp_crop", "mm_sel", 10),
73 GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
74 GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12),
75 GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13),
76 GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14),
77 GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "clk32k", 15),
78 GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16),
79 GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17),
80 GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18),
81 GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
82 GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20),
83 GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21),
84 GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22),
85 GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23),
86 GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24),
87 GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25),
88 GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26),
89 GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27),
90 GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28),
91 GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31),
92 /* MM1 */
93 GATE_MM1(CLK_MM_DISP_PWM0_MM, "mm_pwm0_mm", "mm_sel", 0),
94 GATE_MM1(CLK_MM_DISP_PWM0_26M, "mm_pwm0_26m", "pwm_sel", 1),
95 GATE_MM1(CLK_MM_DISP_PWM1_MM, "mm_pwm1_mm", "mm_sel", 2),
96 GATE_MM1(CLK_MM_DISP_PWM1_26M, "mm_pwm1_26m", "pwm_sel", 3),
97 GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4),
98 GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_lntc", 5),
99 GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6),
100 GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_lntc", 7),
101 GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "vpll_dpix", 8),
102 GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9),
103 GATE_MM1(CLK_MM_DPI1_PIXEL, "mm_dpi1_pixel", "vpll3_dpix", 10),
104 GATE_MM1(CLK_MM_DPI1_ENGINE, "mm_dpi1_engine", "mm_sel", 11),
105 GATE_MM1(CLK_MM_LVDS_PIXEL, "mm_lvds_pixel", "vpll_dpix", 16),
106 GATE_MM1(CLK_MM_LVDS_CTS, "mm_lvds_cts", "lvdstx", 17),
107 GATE_MM1(CLK_MM_SMI_LARB4, "mm_smi_larb4", "mm_sel", 18),
108 GATE_MM1(CLK_MM_SMI_COMMON1, "mm_smi_common1", "mm_sel", 21),
109 GATE_MM1(CLK_MM_SMI_LARB5, "mm_smi_larb5", "mm_sel", 22),
110 GATE_MM1(CLK_MM_MDP_RDMA2, "mm_mdp_rdma2", "mm_sel", 23),
111 GATE_MM1(CLK_MM_MDP_TDSHP2, "mm_mdp_tdshp2", "mm_sel", 24),
112 GATE_MM1(CLK_MM_DISP_OVL2, "mm_disp_ovl2", "mm_sel", 25),
113 GATE_MM1(CLK_MM_DISP_WDMA2, "mm_disp_wdma2", "mm_sel", 26),
114 GATE_MM1(CLK_MM_DISP_COLOR2, "mm_disp_color2", "mm_sel", 27),
115 GATE_MM1(CLK_MM_DISP_AAL1, "mm_disp_aal1", "mm_sel", 28),
116 GATE_MM1(CLK_MM_DISP_OD1, "mm_disp_od1", "mm_sel", 29),
117 GATE_MM1(CLK_MM_LVDS1_PIXEL, "mm_lvds1_pixel", "vpll3_dpix", 30),
118 GATE_MM1(CLK_MM_LVDS1_CTS, "mm_lvds1_cts", "lvdstx3", 31),
119 /* MM2 */
120 GATE_MM2(CLK_MM_SMI_LARB7, "mm_smi_larb7", "mm_sel", 0),
121 GATE_MM2(CLK_MM_MDP_RDMA3, "mm_mdp_rdma3", "mm_sel", 1),
122 GATE_MM2(CLK_MM_MDP_WROT2, "mm_mdp_wrot2", "mm_sel", 2),
123 GATE_MM2(CLK_MM_DSI2, "mm_dsi2", "mm_sel", 3),
124 GATE_MM2(CLK_MM_DSI2_DIGITAL, "mm_dsi2_digital", "dsi0_lntc", 4),
125 GATE_MM2(CLK_MM_DSI3, "mm_dsi3", "mm_sel", 5),
126 GATE_MM2(CLK_MM_DSI3_DIGITAL, "mm_dsi3_digital", "dsi1_lntc", 6),
127};
128
129static int clk_mt2712_mm_probe(struct platform_device *pdev)
130{
131 struct clk_onecell_data *clk_data;
132 int r;
133 struct device_node *node = pdev->dev.of_node;
134
135 clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
136
137 mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
138 clk_data);
139
140 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
141
142 if (r != 0)
143 pr_err("%s(): could not register clock provider: %d\n",
144 __func__, r);
145
146 return r;
147}
148
149static const struct of_device_id of_match_clk_mt2712_mm[] = {
150 { .compatible = "mediatek,mt2712-mmsys", },
151 {}
152};
153
154static struct platform_driver clk_mt2712_mm_drv = {
155 .probe = clk_mt2712_mm_probe,
156 .driver = {
157 .name = "clk-mt2712-mm",
158 .of_match_table = of_match_clk_mt2712_mm,
159 },
160};
161
162builtin_platform_driver(clk_mt2712_mm_drv);