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 "clk-gate.h"
7 #include "clk-mtk.h"
8 
9 #include <dt-bindings/clock/mt8195-clk.h>
10 #include <linux/clk-provider.h>
11 #include <linux/platform_device.h>
12 
13 static const struct mtk_gate_regs wpe_cg_regs = {
14 	.set_ofs = 0x0,
15 	.clr_ofs = 0x0,
16 	.sta_ofs = 0x0,
17 };
18 
19 static const struct mtk_gate_regs wpe_vpp0_cg_regs = {
20 	.set_ofs = 0x58,
21 	.clr_ofs = 0x58,
22 	.sta_ofs = 0x58,
23 };
24 
25 static const struct mtk_gate_regs wpe_vpp1_cg_regs = {
26 	.set_ofs = 0x5c,
27 	.clr_ofs = 0x5c,
28 	.sta_ofs = 0x5c,
29 };
30 
31 #define GATE_WPE(_id, _name, _parent, _shift)			\
32 	GATE_MTK(_id, _name, _parent, &wpe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
33 
34 #define GATE_WPE_VPP0(_id, _name, _parent, _shift)			\
35 	GATE_MTK(_id, _name, _parent, &wpe_vpp0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
36 
37 #define GATE_WPE_VPP1(_id, _name, _parent, _shift)			\
38 	GATE_MTK(_id, _name, _parent, &wpe_vpp1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
39 
40 static const struct mtk_gate wpe_clks[] = {
41 	GATE_WPE(CLK_WPE_VPP0, "wpe_vpp0", "top_wpe_vpp", 16),
42 	GATE_WPE(CLK_WPE_VPP1, "wpe_vpp1", "top_wpe_vpp", 17),
43 	GATE_WPE(CLK_WPE_SMI_LARB7, "wpe_smi_larb7", "top_wpe_vpp", 18),
44 	GATE_WPE(CLK_WPE_SMI_LARB8, "wpe_smi_larb8", "top_wpe_vpp", 19),
45 	GATE_WPE(CLK_WPE_EVENT_TX, "wpe_event_tx", "top_wpe_vpp", 20),
46 	GATE_WPE(CLK_WPE_SMI_LARB7_P, "wpe_smi_larb7_p", "top_wpe_vpp", 24),
47 	GATE_WPE(CLK_WPE_SMI_LARB8_P, "wpe_smi_larb8_p", "top_wpe_vpp", 25),
48 };
49 
50 static const struct mtk_gate wpe_vpp0_clks[] = {
51 	/* WPE_VPP0 */
52 	GATE_WPE_VPP0(CLK_WPE_VPP0_VGEN, "wpe_vpp0_vgen", "top_img", 0),
53 	GATE_WPE_VPP0(CLK_WPE_VPP0_EXT, "wpe_vpp0_ext", "top_img", 1),
54 	GATE_WPE_VPP0(CLK_WPE_VPP0_VFC, "wpe_vpp0_vfc", "top_img", 2),
55 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH0_TOP, "wpe_vpp0_cach0_top", "top_img", 3),
56 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH0_DMA, "wpe_vpp0_cach0_dma", "top_img", 4),
57 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH1_TOP, "wpe_vpp0_cach1_top", "top_img", 5),
58 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH1_DMA, "wpe_vpp0_cach1_dma", "top_img", 6),
59 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH2_TOP, "wpe_vpp0_cach2_top", "top_img", 7),
60 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH2_DMA, "wpe_vpp0_cach2_dma", "top_img", 8),
61 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH3_TOP, "wpe_vpp0_cach3_top", "top_img", 9),
62 	GATE_WPE_VPP0(CLK_WPE_VPP0_CACH3_DMA, "wpe_vpp0_cach3_dma", "top_img", 10),
63 	GATE_WPE_VPP0(CLK_WPE_VPP0_PSP, "wpe_vpp0_psp", "top_img", 11),
64 	GATE_WPE_VPP0(CLK_WPE_VPP0_PSP2, "wpe_vpp0_psp2", "top_img", 12),
65 	GATE_WPE_VPP0(CLK_WPE_VPP0_SYNC, "wpe_vpp0_sync", "top_img", 13),
66 	GATE_WPE_VPP0(CLK_WPE_VPP0_C24, "wpe_vpp0_c24", "top_img", 14),
67 	GATE_WPE_VPP0(CLK_WPE_VPP0_MDP_CROP, "wpe_vpp0_mdp_crop", "top_img", 15),
68 	GATE_WPE_VPP0(CLK_WPE_VPP0_ISP_CROP, "wpe_vpp0_isp_crop", "top_img", 16),
69 	GATE_WPE_VPP0(CLK_WPE_VPP0_TOP, "wpe_vpp0_top", "top_img", 17),
70 	/* WPE_VPP1 */
71 	GATE_WPE_VPP1(CLK_WPE_VPP0_VECI, "wpe_vpp0_veci", "top_img", 0),
72 	GATE_WPE_VPP1(CLK_WPE_VPP0_VEC2I, "wpe_vpp0_vec2i", "top_img", 1),
73 	GATE_WPE_VPP1(CLK_WPE_VPP0_VEC3I, "wpe_vpp0_vec3i", "top_img", 2),
74 	GATE_WPE_VPP1(CLK_WPE_VPP0_WPEO, "wpe_vpp0_wpeo", "top_img", 3),
75 	GATE_WPE_VPP1(CLK_WPE_VPP0_MSKO, "wpe_vpp0_msko", "top_img", 4),
76 };
77 
78 static const struct mtk_gate wpe_vpp1_clks[] = {
79 	/* WPE_VPP0 */
80 	GATE_WPE_VPP0(CLK_WPE_VPP1_VGEN, "wpe_vpp1_vgen", "top_img", 0),
81 	GATE_WPE_VPP0(CLK_WPE_VPP1_EXT, "wpe_vpp1_ext", "top_img", 1),
82 	GATE_WPE_VPP0(CLK_WPE_VPP1_VFC, "wpe_vpp1_vfc", "top_img", 2),
83 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH0_TOP, "wpe_vpp1_cach0_top", "top_img", 3),
84 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH0_DMA, "wpe_vpp1_cach0_dma", "top_img", 4),
85 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH1_TOP, "wpe_vpp1_cach1_top", "top_img", 5),
86 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH1_DMA, "wpe_vpp1_cach1_dma", "top_img", 6),
87 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH2_TOP, "wpe_vpp1_cach2_top", "top_img", 7),
88 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH2_DMA, "wpe_vpp1_cach2_dma", "top_img", 8),
89 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH3_TOP, "wpe_vpp1_cach3_top", "top_img", 9),
90 	GATE_WPE_VPP0(CLK_WPE_VPP1_CACH3_DMA, "wpe_vpp1_cach3_dma", "top_img", 10),
91 	GATE_WPE_VPP0(CLK_WPE_VPP1_PSP, "wpe_vpp1_psp", "top_img", 11),
92 	GATE_WPE_VPP0(CLK_WPE_VPP1_PSP2, "wpe_vpp1_psp2", "top_img", 12),
93 	GATE_WPE_VPP0(CLK_WPE_VPP1_SYNC, "wpe_vpp1_sync", "top_img", 13),
94 	GATE_WPE_VPP0(CLK_WPE_VPP1_C24, "wpe_vpp1_c24", "top_img", 14),
95 	GATE_WPE_VPP0(CLK_WPE_VPP1_MDP_CROP, "wpe_vpp1_mdp_crop", "top_img", 15),
96 	GATE_WPE_VPP0(CLK_WPE_VPP1_ISP_CROP, "wpe_vpp1_isp_crop", "top_img", 16),
97 	GATE_WPE_VPP0(CLK_WPE_VPP1_TOP, "wpe_vpp1_top", "top_img", 17),
98 	/* WPE_VPP1 */
99 	GATE_WPE_VPP1(CLK_WPE_VPP1_VECI, "wpe_vpp1_veci", "top_img", 0),
100 	GATE_WPE_VPP1(CLK_WPE_VPP1_VEC2I, "wpe_vpp1_vec2i", "top_img", 1),
101 	GATE_WPE_VPP1(CLK_WPE_VPP1_VEC3I, "wpe_vpp1_vec3i", "top_img", 2),
102 	GATE_WPE_VPP1(CLK_WPE_VPP1_WPEO, "wpe_vpp1_wpeo", "top_img", 3),
103 	GATE_WPE_VPP1(CLK_WPE_VPP1_MSKO, "wpe_vpp1_msko", "top_img", 4),
104 };
105 
106 static const struct mtk_clk_desc wpe_desc = {
107 	.clks = wpe_clks,
108 	.num_clks = ARRAY_SIZE(wpe_clks),
109 };
110 
111 static const struct mtk_clk_desc wpe_vpp0_desc = {
112 	.clks = wpe_vpp0_clks,
113 	.num_clks = ARRAY_SIZE(wpe_vpp0_clks),
114 };
115 
116 static const struct mtk_clk_desc wpe_vpp1_desc = {
117 	.clks = wpe_vpp1_clks,
118 	.num_clks = ARRAY_SIZE(wpe_vpp1_clks),
119 };
120 
121 static const struct of_device_id of_match_clk_mt8195_wpe[] = {
122 	{
123 		.compatible = "mediatek,mt8195-wpesys",
124 		.data = &wpe_desc,
125 	}, {
126 		.compatible = "mediatek,mt8195-wpesys_vpp0",
127 		.data = &wpe_vpp0_desc,
128 	}, {
129 		.compatible = "mediatek,mt8195-wpesys_vpp1",
130 		.data = &wpe_vpp1_desc,
131 	}, {
132 		/* sentinel */
133 	}
134 };
135 
136 static struct platform_driver clk_mt8195_wpe_drv = {
137 	.probe = mtk_clk_simple_probe,
138 	.driver = {
139 		.name = "clk-mt8195-wpe",
140 		.of_match_table = of_match_clk_mt8195_wpe,
141 	},
142 };
143 builtin_platform_driver(clk_mt8195_wpe_drv);
144