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192.168.1.100 / T800 / 19f421ece02e978f016bb6ceca25d3d8846eeace / . / src / kernel / linux / v4.19 / drivers / clk / mediatek / clk-mt2712-mm.c
blob: 7a5679b10ed2cb970e06785c8ef98471ecc404ba [file] [log] [blame]
xjb04a4022021-11-25 15:01:52 +0800[diff] [blame]1/*
2 * Copyright (c) 2017 MediaTek Inc.
3 * Author: Weiyi Lu <weiyi.lu@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
18#include "clk-mtk.h"
19#include "clk-gate.h"
20
21#include <dt-bindings/clock/mt2712-clk.h>
22
23static const struct mtk_gate_regs mm0_cg_regs = {
24 .set_ofs = 0x104,
25 .clr_ofs = 0x108,
26 .sta_ofs = 0x100,
27};
28
29static const struct mtk_gate_regs mm1_cg_regs = {
30 .set_ofs = 0x114,
31 .clr_ofs = 0x118,
32 .sta_ofs = 0x110,
33};
34
35static const struct mtk_gate_regs mm2_cg_regs = {
36 .set_ofs = 0x224,
37 .clr_ofs = 0x228,
38 .sta_ofs = 0x220,
39};
40
41#define GATE_MM0(_id, _name, _parent, _shift) { \
42 .id = _id, \
43 .name = _name, \
44 .parent_name = _parent, \
45 .regs = &mm0_cg_regs, \
46 .shift = _shift, \
47 .ops = &mtk_clk_gate_ops_setclr, \
48 }
49
50#define GATE_MM1(_id, _name, _parent, _shift) { \
51 .id = _id, \
52 .name = _name, \
53 .parent_name = _parent, \
54 .regs = &mm1_cg_regs, \
55 .shift = _shift, \
56 .ops = &mtk_clk_gate_ops_setclr, \
57 }
58
59#define GATE_MM2(_id, _name, _parent, _shift) { \
60 .id = _id, \
61 .name = _name, \
62 .parent_name = _parent, \
63 .regs = &mm2_cg_regs, \
64 .shift = _shift, \
65 .ops = &mtk_clk_gate_ops_setclr, \
66 }
67
68static const struct mtk_gate mm_clks[] = {
69 /* MM0 */
70 GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
71 GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
72 GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 2),
73 GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3),
74 GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4),
75 GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5),
76 GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6),
77 GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7),
78 GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8),
79 GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9),
80 GATE_MM0(CLK_MM_MDP_CROP, "mm_mdp_crop", "mm_sel", 10),
81 GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
82 GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12),
83 GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13),
84 GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14),
85 GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "clk32k", 15),
86 GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16),
87 GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17),
88 GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18),
89 GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
90 GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20),
91 GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21),
92 GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22),
93 GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23),
94 GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24),
95 GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25),
96 GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26),
97 GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27),
98 GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28),
99 GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31),
100 /* MM1 */
101 GATE_MM1(CLK_MM_DISP_PWM0_MM, "mm_pwm0_mm", "mm_sel", 0),
102 GATE_MM1(CLK_MM_DISP_PWM0_26M, "mm_pwm0_26m", "pwm_sel", 1),
103 GATE_MM1(CLK_MM_DISP_PWM1_MM, "mm_pwm1_mm", "mm_sel", 2),
104 GATE_MM1(CLK_MM_DISP_PWM1_26M, "mm_pwm1_26m", "pwm_sel", 3),
105 GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4),
106 GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_lntc", 5),
107 GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6),
108 GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_lntc", 7),
109 GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "vpll_dpix", 8),
110 GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9),
111 GATE_MM1(CLK_MM_DPI1_PIXEL, "mm_dpi1_pixel", "vpll3_dpix", 10),
112 GATE_MM1(CLK_MM_DPI1_ENGINE, "mm_dpi1_engine", "mm_sel", 11),
113 GATE_MM1(CLK_MM_LVDS_PIXEL, "mm_lvds_pixel", "vpll_dpix", 16),
114 GATE_MM1(CLK_MM_LVDS_CTS, "mm_lvds_cts", "lvdstx", 17),
115 GATE_MM1(CLK_MM_SMI_LARB4, "mm_smi_larb4", "mm_sel", 18),
116 GATE_MM1(CLK_MM_SMI_COMMON1, "mm_smi_common1", "mm_sel", 21),
117 GATE_MM1(CLK_MM_SMI_LARB5, "mm_smi_larb5", "mm_sel", 22),
118 GATE_MM1(CLK_MM_MDP_RDMA2, "mm_mdp_rdma2", "mm_sel", 23),
119 GATE_MM1(CLK_MM_MDP_TDSHP2, "mm_mdp_tdshp2", "mm_sel", 24),
120 GATE_MM1(CLK_MM_DISP_OVL2, "mm_disp_ovl2", "mm_sel", 25),
121 GATE_MM1(CLK_MM_DISP_WDMA2, "mm_disp_wdma2", "mm_sel", 26),
122 GATE_MM1(CLK_MM_DISP_COLOR2, "mm_disp_color2", "mm_sel", 27),
123 GATE_MM1(CLK_MM_DISP_AAL1, "mm_disp_aal1", "mm_sel", 28),
124 GATE_MM1(CLK_MM_DISP_OD1, "mm_disp_od1", "mm_sel", 29),
125 GATE_MM1(CLK_MM_LVDS1_PIXEL, "mm_lvds1_pixel", "vpll3_dpix", 30),
126 GATE_MM1(CLK_MM_LVDS1_CTS, "mm_lvds1_cts", "lvdstx3", 31),
127 /* MM2 */
128 GATE_MM2(CLK_MM_SMI_LARB7, "mm_smi_larb7", "mm_sel", 0),
129 GATE_MM2(CLK_MM_MDP_RDMA3, "mm_mdp_rdma3", "mm_sel", 1),
130 GATE_MM2(CLK_MM_MDP_WROT2, "mm_mdp_wrot2", "mm_sel", 2),
131 GATE_MM2(CLK_MM_DSI2, "mm_dsi2", "mm_sel", 3),
132 GATE_MM2(CLK_MM_DSI2_DIGITAL, "mm_dsi2_digital", "dsi0_lntc", 4),
133 GATE_MM2(CLK_MM_DSI3, "mm_dsi3", "mm_sel", 5),
134 GATE_MM2(CLK_MM_DSI3_DIGITAL, "mm_dsi3_digital", "dsi1_lntc", 6),
135 GATE_MM2(CLK_MM_DISP_PWM2_MM, "mm_pwm2_mm", "mm_sel", 7),
136 GATE_MM2(CLK_MM_DISP_PWM2_26M, "mm_pwm2_26m", "pwm_sel", 8),
137};
138
139static int clk_mt2712_mm_probe(struct platform_device *pdev)
140{
141 struct clk_onecell_data *clk_data;
142 int r;
143 struct device_node *node = pdev->dev.of_node;
144
145 clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
146
147 mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
148 clk_data);
149
150 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
151
152 if (r != 0)
153 pr_err("%s(): could not register clock provider: %d\n",
154 __func__, r);
155
156 return r;
157}
158
159static const struct of_device_id of_match_clk_mt2712_mm[] = {
160 { .compatible = "mediatek,mt2712-mmsys", },
161 {}
162};
163
164static struct platform_driver clk_mt2712_mm_drv = {
165 .probe = clk_mt2712_mm_probe,
166 .driver = {
167 .name = "clk-mt2712-mm",
168 .of_match_table = of_match_clk_mt2712_mm,
169 },
170};
171
172builtin_platform_driver(clk_mt2712_mm_drv);