1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2022 Collabora Ltd.
4 * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
5 */
6
7#include <dt-bindings/clock/mediatek,mt6795-clk.h>
8#include <linux/module.h>
9#include <linux/platform_device.h>
10#include "clk-gate.h"
11#include "clk-mtk.h"
12
13#define GATE_MM0(_id, _name, _parent, _shift) \
14 GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
15
16#define GATE_MM1(_id, _name, _parent, _shift) \
17 GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
18
19static const struct mtk_gate_regs mm0_cg_regs = {
20 .set_ofs = 0x0104,
21 .clr_ofs = 0x0108,
22 .sta_ofs = 0x0100,
23};
24
25static const struct mtk_gate_regs mm1_cg_regs = {
26 .set_ofs = 0x0114,
27 .clr_ofs = 0x0118,
28 .sta_ofs = 0x0110,
29};
30
31static const struct mtk_gate mm_gates[] = {
32 /* MM0 */
33 GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
34 GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
35 GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 2),
36 GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3),
37 GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4),
38 GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5),
39 GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6),
40 GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7),
41 GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8),
42 GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9),
43 GATE_MM0(CLK_MM_MDP_CROP, "mm_mdp_crop", "mm_sel", 10),
44 GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
45 GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12),
46 GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13),
47 GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14),
48 GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "clk32k", 15),
49 GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16),
50 GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17),
51 GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18),
52 GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
53 GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20),
54 GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21),
55 GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22),
56 GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23),
57 GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24),
58 GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25),
59 GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26),
60 GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27),
61 GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28),
62 GATE_MM0(CLK_MM_DISP_SPLIT1, "mm_disp_split1", "mm_sel", 29),
63 GATE_MM0(CLK_MM_DISP_MERGE, "mm_disp_merge", "mm_sel", 30),
64 GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31),
65
66 /* MM1 */
67 GATE_MM1(CLK_MM_DISP_PWM0MM, "mm_disp_pwm0mm", "mm_sel", 0),
68 GATE_MM1(CLK_MM_DISP_PWM026M, "mm_disp_pwm026m", "pwm_sel", 1),
69 GATE_MM1(CLK_MM_DISP_PWM1MM, "mm_disp_pwm1mm", "mm_sel", 2),
70 GATE_MM1(CLK_MM_DISP_PWM126M, "mm_disp_pwm126m", "pwm_sel", 3),
71 GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4),
72 GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_dig", 5),
73 GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6),
74 GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_dig", 7),
75 GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "dpi0_sel", 8),
76 GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9),
77};
78
79static const struct mtk_clk_desc mm_desc = {
80 .clks = mm_gates,
81 .num_clks = ARRAY_SIZE(mm_gates),
82};
83
84static const struct platform_device_id clk_mt6795_mm_id_table[] = {
85 { .name = "clk-mt6795-mm", .driver_data = (kernel_ulong_t)&mm_desc },
86 { /* sentinel */ }
87};
88MODULE_DEVICE_TABLE(platform, clk_mt6795_mm_id_table);
89
90static struct platform_driver clk_mt6795_mm_drv = {
91 .driver = {
92 .name = "clk-mt6795-mm",
93 },
94 .id_table = clk_mt6795_mm_id_table,
95 .probe = mtk_clk_pdev_probe,
96 .remove = mtk_clk_pdev_remove,
97};
98module_platform_driver(clk_mt6795_mm_drv);
99
100MODULE_DESCRIPTION("MediaTek MT6795 MMSYS clocks driver");
101MODULE_LICENSE("GPL");
102

source code of linux/drivers/clk/mediatek/clk-mt6795-mm.c