1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2014 MediaTek Inc.
4  * Author: Shunli Wang <shunli.wang@mediatek.com>
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/mt2701-clk.h>
14 
15 static const struct mtk_gate_regs disp0_cg_regs = {
16 	.set_ofs = 0x0104,
17 	.clr_ofs = 0x0108,
18 	.sta_ofs = 0x0100,
19 };
20 
21 static const struct mtk_gate_regs disp1_cg_regs = {
22 	.set_ofs = 0x0114,
23 	.clr_ofs = 0x0118,
24 	.sta_ofs = 0x0110,
25 };
26 
27 #define GATE_DISP0(_id, _name, _parent, _shift)	\
28 	GATE_MTK(_id, _name, _parent, &disp0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
29 
30 #define GATE_DISP1(_id, _name, _parent, _shift)	\
31 	GATE_MTK(_id, _name, _parent, &disp1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
32 
33 static const struct mtk_gate mm_clks[] = {
34 	GATE_DISP0(CLK_MM_SMI_COMMON, "mm_smi_comm", "mm_sel", 0),
35 	GATE_DISP0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
36 	GATE_DISP0(CLK_MM_CMDQ, "mm_cmdq", "mm_sel", 2),
37 	GATE_DISP0(CLK_MM_MUTEX, "mm_mutex", "mm_sel", 3),
38 	GATE_DISP0(CLK_MM_DISP_COLOR, "mm_disp_color", "mm_sel", 4),
39 	GATE_DISP0(CLK_MM_DISP_BLS, "mm_disp_bls", "mm_sel", 5),
40 	GATE_DISP0(CLK_MM_DISP_WDMA, "mm_disp_wdma", "mm_sel", 6),
41 	GATE_DISP0(CLK_MM_DISP_RDMA, "mm_disp_rdma", "mm_sel", 7),
42 	GATE_DISP0(CLK_MM_DISP_OVL, "mm_disp_ovl", "mm_sel", 8),
43 	GATE_DISP0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 9),
44 	GATE_DISP0(CLK_MM_MDP_WROT, "mm_mdp_wrot", "mm_sel", 10),
45 	GATE_DISP0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
46 	GATE_DISP0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 12),
47 	GATE_DISP0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 13),
48 	GATE_DISP0(CLK_MM_MDP_RDMA, "mm_mdp_rdma", "mm_sel", 14),
49 	GATE_DISP0(CLK_MM_MDP_BLS_26M, "mm_mdp_bls_26m", "pwm_sel", 15),
50 	GATE_DISP0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 16),
51 	GATE_DISP0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 17),
52 	GATE_DISP0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "rtc_sel", 18),
53 	GATE_DISP0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
54 	GATE_DISP0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 20),
55 	GATE_DISP1(CLK_MM_DSI_ENGINE, "mm_dsi_eng", "mm_sel", 0),
56 	GATE_DISP1(CLK_MM_DSI_DIG, "mm_dsi_dig", "dsi0_lntc_dsi", 1),
57 	GATE_DISP1(CLK_MM_DPI_DIGL, "mm_dpi_digl", "dpi0_sel", 2),
58 	GATE_DISP1(CLK_MM_DPI_ENGINE, "mm_dpi_eng", "mm_sel", 3),
59 	GATE_DISP1(CLK_MM_DPI1_DIGL, "mm_dpi1_digl", "dpi1_sel", 4),
60 	GATE_DISP1(CLK_MM_DPI1_ENGINE, "mm_dpi1_eng", "mm_sel", 5),
61 	GATE_DISP1(CLK_MM_TVE_OUTPUT, "mm_tve_output", "tve_sel", 6),
62 	GATE_DISP1(CLK_MM_TVE_INPUT, "mm_tve_input", "dpi0_sel", 7),
63 	GATE_DISP1(CLK_MM_HDMI_PIXEL, "mm_hdmi_pixel", "dpi1_sel", 8),
64 	GATE_DISP1(CLK_MM_HDMI_PLL, "mm_hdmi_pll", "hdmi_sel", 9),
65 	GATE_DISP1(CLK_MM_HDMI_AUDIO, "mm_hdmi_audio", "apll_sel", 10),
66 	GATE_DISP1(CLK_MM_HDMI_SPDIF, "mm_hdmi_spdif", "apll_sel", 11),
67 	GATE_DISP1(CLK_MM_TVE_FMM, "mm_tve_fmm", "mm_sel", 14),
68 };
69 
70 static const struct mtk_clk_desc mm_desc = {
71 	.clks = mm_clks,
72 	.num_clks = ARRAY_SIZE(mm_clks),
73 };
74 
75 static const struct platform_device_id clk_mt2701_mm_id_table[] = {
76 	{ .name = "clk-mt2701-mm", .driver_data = (kernel_ulong_t)&mm_desc },
77 	{ /* sentinel */ }
78 };
79 MODULE_DEVICE_TABLE(platform, clk_mt2701_mm_id_table);
80 
81 static struct platform_driver clk_mt2701_mm_drv = {
82 	.probe = mtk_clk_pdev_probe,
83 	.remove_new = mtk_clk_pdev_remove,
84 	.driver = {
85 		.name = "clk-mt2701-mm",
86 	},
87 	.id_table = clk_mt2701_mm_id_table,
88 };
89 module_platform_driver(clk_mt2701_mm_drv);
90 MODULE_LICENSE("GPL");
91