1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright (c) 2022 MediaTek Inc.
4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
5
6#include <linux/clk-provider.h>
7#include <linux/platform_device.h>
8#include <dt-bindings/clock/mt8186-clk.h>
9
10#include "clk-gate.h"
11#include "clk-mtk.h"
12
13static const struct mtk_gate_regs mdp0_cg_regs = {
14 .set_ofs = 0x104,
15 .clr_ofs = 0x108,
16 .sta_ofs = 0x100,
17};
18
19static const struct mtk_gate_regs mdp2_cg_regs = {
20 .set_ofs = 0x124,
21 .clr_ofs = 0x128,
22 .sta_ofs = 0x120,
23};
24
25#define GATE_MDP0(_id, _name, _parent, _shift) \
26 GATE_MTK(_id, _name, _parent, &mdp0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
27
28#define GATE_MDP2(_id, _name, _parent, _shift) \
29 GATE_MTK(_id, _name, _parent, &mdp2_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
30
31static const struct mtk_gate mdp_clks[] = {
32 /* MDP0 */
33 GATE_MDP0(CLK_MDP_RDMA0, "mdp_rdma0", "top_mdp", 0),
34 GATE_MDP0(CLK_MDP_TDSHP0, "mdp_tdshp0", "top_mdp", 1),
35 GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "top_mdp", 2),
36 GATE_MDP0(CLK_MDP_IMG_DL_ASYNC1, "mdp_img_dl_async1", "top_mdp", 3),
37 GATE_MDP0(CLK_MDP_DISP_RDMA, "mdp_disp_rdma", "top_mdp", 4),
38 GATE_MDP0(CLK_MDP_HMS, "mdp_hms", "top_mdp", 5),
39 GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "top_mdp", 6),
40 GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "top_mdp", 7),
41 GATE_MDP0(CLK_MDP_WROT0, "mdp_wrot0", "top_mdp", 8),
42 GATE_MDP0(CLK_MDP_RSZ0, "mdp_rsz0", "top_mdp", 9),
43 GATE_MDP0(CLK_MDP_HDR0, "mdp_hdr0", "top_mdp", 10),
44 GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mutex0", "top_mdp", 11),
45 GATE_MDP0(CLK_MDP_WROT1, "mdp_wrot1", "top_mdp", 12),
46 GATE_MDP0(CLK_MDP_RSZ1, "mdp_rsz1", "top_mdp", 13),
47 GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_fake_eng0", "top_mdp", 14),
48 GATE_MDP0(CLK_MDP_AAL0, "mdp_aal0", "top_mdp", 15),
49 GATE_MDP0(CLK_MDP_DISP_WDMA, "mdp_disp_wdma", "top_mdp", 16),
50 GATE_MDP0(CLK_MDP_COLOR, "mdp_color", "top_mdp", 17),
51 GATE_MDP0(CLK_MDP_IMG_DL_ASYNC2, "mdp_img_dl_async2", "top_mdp", 18),
52 /* MDP2 */
53 GATE_MDP2(CLK_MDP_IMG_DL_RELAY0_ASYNC0, "mdp_img_dl_rel0_as0", "top_mdp", 0),
54 GATE_MDP2(CLK_MDP_IMG_DL_RELAY1_ASYNC1, "mdp_img_dl_rel1_as1", "top_mdp", 8),
55 GATE_MDP2(CLK_MDP_IMG_DL_RELAY2_ASYNC2, "mdp_img_dl_rel2_as2", "top_mdp", 24),
56};
57
58static const struct mtk_clk_desc mdp_desc = {
59 .clks = mdp_clks,
60 .num_clks = ARRAY_SIZE(mdp_clks),
61};
62
63static const struct of_device_id of_match_clk_mt8186_mdp[] = {
64 {
65 .compatible = "mediatek,mt8186-mdpsys",
66 .data = &mdp_desc,
67 }, {
68 /* sentinel */
69 }
70};
71MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_mdp);
72
73static struct platform_driver clk_mt8186_mdp_drv = {
74 .probe = mtk_clk_simple_probe,
75 .remove_new = mtk_clk_simple_remove,
76 .driver = {
77 .name = "clk-mt8186-mdp",
78 .of_match_table = of_match_clk_mt8186_mdp,
79 },
80};
81module_platform_driver(clk_mt8186_mdp_drv);
82MODULE_LICENSE("GPL");
83

source code of linux/drivers/clk/mediatek/clk-mt8186-mdp.c