1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2022 MediaTek Inc.
4  * Author: Garmin Chang <garmin.chang@mediatek.com>
5  */
6 
7 #include <linux/clk-provider.h>
8 #include <linux/mod_devicetable.h>
9 #include <linux/platform_device.h>
10 
11 #include <dt-bindings/clock/mediatek,mt8188-clk.h>
12 
13 #include "clk-gate.h"
14 #include "clk-mtk.h"
15 
16 static const struct mtk_gate_regs wpe_top_cg_regs = {
17 	.set_ofs = 0x0,
18 	.clr_ofs = 0x0,
19 	.sta_ofs = 0x0,
20 };
21 
22 static const struct mtk_gate_regs wpe_vpp0_0_cg_regs = {
23 	.set_ofs = 0x58,
24 	.clr_ofs = 0x58,
25 	.sta_ofs = 0x58,
26 };
27 
28 static const struct mtk_gate_regs wpe_vpp0_1_cg_regs = {
29 	.set_ofs = 0x5c,
30 	.clr_ofs = 0x5c,
31 	.sta_ofs = 0x5c,
32 };
33 
34 #define GATE_WPE_TOP(_id, _name, _parent, _shift)			\
35 	GATE_MTK(_id, _name, _parent, &wpe_top_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
36 
37 #define GATE_WPE_VPP0_0(_id, _name, _parent, _shift)		\
38 	GATE_MTK(_id, _name, _parent, &wpe_vpp0_0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
39 
40 #define GATE_WPE_VPP0_1(_id, _name, _parent, _shift)		\
41 	GATE_MTK(_id, _name, _parent, &wpe_vpp0_1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
42 
43 static const struct mtk_gate wpe_top_clks[] = {
44 	GATE_WPE_TOP(CLK_WPE_TOP_WPE_VPP0, "wpe_wpe_vpp0", "top_wpe_vpp", 16),
45 	GATE_WPE_TOP(CLK_WPE_TOP_SMI_LARB7, "wpe_smi_larb7", "top_wpe_vpp", 18),
46 	GATE_WPE_TOP(CLK_WPE_TOP_WPESYS_EVENT_TX, "wpe_wpesys_event_tx", "top_wpe_vpp", 20),
47 	GATE_WPE_TOP(CLK_WPE_TOP_SMI_LARB7_PCLK_EN, "wpe_smi_larb7_p_en", "top_wpe_vpp", 24),
48 };
49 
50 static const struct mtk_gate wpe_vpp0_clks[] = {
51 	/* WPE_VPP00 */
52 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_VGEN, "wpe_vpp0_vgen", "top_img", 0),
53 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_EXT, "wpe_vpp0_ext", "top_img", 1),
54 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_VFC, "wpe_vpp0_vfc", "top_img", 2),
55 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH0_TOP, "wpe_vpp0_cach0_top", "top_img", 3),
56 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH0_DMA, "wpe_vpp0_cach0_dma", "top_img", 4),
57 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH1_TOP, "wpe_vpp0_cach1_top", "top_img", 5),
58 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH1_DMA, "wpe_vpp0_cach1_dma", "top_img", 6),
59 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH2_TOP, "wpe_vpp0_cach2_top", "top_img", 7),
60 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH2_DMA, "wpe_vpp0_cach2_dma", "top_img", 8),
61 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH3_TOP, "wpe_vpp0_cach3_top", "top_img", 9),
62 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_CACH3_DMA, "wpe_vpp0_cach3_dma", "top_img", 10),
63 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_PSP, "wpe_vpp0_psp", "top_img", 11),
64 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_PSP2, "wpe_vpp0_psp2", "top_img", 12),
65 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_SYNC, "wpe_vpp0_sync", "top_img", 13),
66 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_C24, "wpe_vpp0_c24", "top_img", 14),
67 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_MDP_CROP, "wpe_vpp0_mdp_crop", "top_img", 15),
68 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_ISP_CROP, "wpe_vpp0_isp_crop", "top_img", 16),
69 	GATE_WPE_VPP0_0(CLK_WPE_VPP0_TOP, "wpe_vpp0_top", "top_img", 17),
70 	/* WPE_VPP0_1 */
71 	GATE_WPE_VPP0_1(CLK_WPE_VPP0_VECI, "wpe_vpp0_veci", "top_img", 0),
72 	GATE_WPE_VPP0_1(CLK_WPE_VPP0_VEC2I, "wpe_vpp0_vec2i", "top_img", 1),
73 	GATE_WPE_VPP0_1(CLK_WPE_VPP0_VEC3I, "wpe_vpp0_vec3i", "top_img", 2),
74 	GATE_WPE_VPP0_1(CLK_WPE_VPP0_WPEO, "wpe_vpp0_wpeo", "top_img", 3),
75 	GATE_WPE_VPP0_1(CLK_WPE_VPP0_MSKO, "wpe_vpp0_msko", "top_img", 4),
76 };
77 
78 static const struct mtk_clk_desc wpe_top_desc = {
79 	.clks = wpe_top_clks,
80 	.num_clks = ARRAY_SIZE(wpe_top_clks),
81 };
82 
83 static const struct mtk_clk_desc wpe_vpp0_desc = {
84 	.clks = wpe_vpp0_clks,
85 	.num_clks = ARRAY_SIZE(wpe_vpp0_clks),
86 };
87 
88 static const struct of_device_id of_match_clk_mt8188_wpe[] = {
89 	{ .compatible = "mediatek,mt8188-wpesys", .data = &wpe_top_desc },
90 	{ .compatible = "mediatek,mt8188-wpesys-vpp0", .data = &wpe_vpp0_desc },
91 	{ /* sentinel */ }
92 };
93 MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_wpe);
94 
95 static struct platform_driver clk_mt8188_wpe_drv = {
96 	.probe = mtk_clk_simple_probe,
97 	.remove_new = mtk_clk_simple_remove,
98 	.driver = {
99 		.name = "clk-mt8188-wpe",
100 		.of_match_table = of_match_clk_mt8188_wpe,
101 	},
102 };
103 
104 module_platform_driver(clk_mt8188_wpe_drv);
105 MODULE_LICENSE("GPL");
106