clk-mt6735-imgsys.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
 4 */
 5
 6#include <linux/clk-provider.h>
 7#include <linux/platform_device.h>
 8
 9#include "clk-gate.h"
10#include "clk-mtk.h"
11
12#include <dt-bindings/clock/mediatek,mt6735-imgsys.h>
13
14#define IMG_CG_CON			0x00
15#define IMG_CG_SET			0x04
16#define IMG_CG_CLR			0x08
17
18static struct mtk_gate_regs imgsys_cg_regs = {
19	.set_ofs = IMG_CG_SET,
20	.clr_ofs = IMG_CG_CLR,
21	.sta_ofs = IMG_CG_CON,
22};
23
24static const struct mtk_gate imgsys_gates[] = {
25	GATE_MTK(CLK_IMG_SMI_LARB2, "smi_larb2", "mm_sel", &imgsys_cg_regs, 0, &mtk_clk_gate_ops_setclr),
26	GATE_MTK(CLK_IMG_CAM_SMI, "cam_smi", "mm_sel", &imgsys_cg_regs, 5, &mtk_clk_gate_ops_setclr),
27	GATE_MTK(CLK_IMG_CAM_CAM, "cam_cam", "mm_sel", &imgsys_cg_regs, 6, &mtk_clk_gate_ops_setclr),
28	GATE_MTK(CLK_IMG_SEN_TG, "sen_tg", "mm_sel", &imgsys_cg_regs, 7, &mtk_clk_gate_ops_setclr),
29	GATE_MTK(CLK_IMG_SEN_CAM, "sen_cam", "mm_sel", &imgsys_cg_regs, 8, &mtk_clk_gate_ops_setclr),
30	GATE_MTK(CLK_IMG_CAM_SV, "cam_sv", "mm_sel", &imgsys_cg_regs, 9, &mtk_clk_gate_ops_setclr),
31	GATE_MTK(CLK_IMG_SUFOD, "sufod", "mm_sel", &imgsys_cg_regs, 10, &mtk_clk_gate_ops_setclr),
32	GATE_MTK(CLK_IMG_FD, "fd", "mm_sel", &imgsys_cg_regs, 11, &mtk_clk_gate_ops_setclr),
33};
34
35static const struct mtk_clk_desc imgsys_clks = {
36	.clks = imgsys_gates,
37	.num_clks = ARRAY_SIZE(imgsys_gates),
38};
39
40static const struct of_device_id of_match_mt6735_imgsys[] = {
41	{ .compatible = "mediatek,mt6735-imgsys", .data = &imgsys_clks },
42	{ /* sentinel */ }
43};
44
45static struct platform_driver clk_mt6735_imgsys = {
46	.probe = mtk_clk_simple_probe,
47	.remove = mtk_clk_simple_remove,
48	.driver = {
49		.name = "clk-mt6735-imgsys",
50		.of_match_table = of_match_mt6735_imgsys,
51	},
52};
53module_platform_driver(clk_mt6735_imgsys);
54
55MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
56MODULE_DESCRIPTION("MediaTek MT6735 imgsys clock driver");
57MODULE_LICENSE("GPL");