1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2020 MediaTek Inc.
4 * Copyright (c) 2020 BayLibre, SAS
5 * Author: James Liao <jamesjj.liao@mediatek.com>
6 *         Fabien Parent <fparent@baylibre.com>
7 */
8
9#include <linux/clk-provider.h>
10#include <linux/of.h>
11#include <linux/of_address.h>
12#include <linux/of_device.h>
13#include <linux/platform_device.h>
14
15#include "clk-mtk.h"
16#include "clk-gate.h"
17
18#include <dt-bindings/clock/mt8167-clk.h>
19
20static const struct mtk_gate_regs img_cg_regs = {
21	.set_ofs = 0x4,
22	.clr_ofs = 0x8,
23	.sta_ofs = 0x0,
24};
25
26#define GATE_IMG(_id, _name, _parent, _shift) {		\
27		.id = _id,				\
28		.name = _name,				\
29		.parent_name = _parent,			\
30		.regs = &img_cg_regs,			\
31		.shift = _shift,			\
32		.ops = &mtk_clk_gate_ops_setclr,	\
33	}
34
35static const struct mtk_gate img_clks[] __initconst = {
36	GATE_IMG(CLK_IMG_LARB1_SMI, "img_larb1_smi", "smi_mm", 0),
37	GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "smi_mm", 5),
38	GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "smi_mm", 6),
39	GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "cam_mm", 7),
40	GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "smi_mm", 8),
41	GATE_IMG(CLK_IMG_VENC, "img_venc", "smi_mm", 9),
42};
43
44static void __init mtk_imgsys_init(struct device_node *node)
45{
46	struct clk_onecell_data *clk_data;
47	int r;
48
49	clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK);
50
51	mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), clk_data);
52
53	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
54
55	if (r)
56		pr_err("%s(): could not register clock provider: %d\n",
57			__func__, r);
58
59}
60CLK_OF_DECLARE(mtk_imgsys, "mediatek,mt8167-imgsys", mtk_imgsys_init);
61