xref: /linux/drivers/clk/mediatek/clk-mt6779-img.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2019 MediaTek Inc.
 * Author: Wendell Lin <wendell.lin@mediatek.com>
 */

#include <linux/module.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt6779-clk.h>

#include "clk-mtk.h"
#include "clk-gate.h"

static const struct mtk_gate_regs img_cg_regs = {
	.set_ofs = 0x0004,
	.clr_ofs = 0x0008,
	.sta_ofs = 0x0000,
};

#define GATE_IMG(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift,	\
		&mtk_clk_gate_ops_setclr)

static const struct mtk_gate img_clks[] = {
	GATE_IMG(CLK_IMG_LARB5, "imgsys_larb5", "img_sel", 0),
	GATE_IMG(CLK_IMG_LARB6, "imgsys_larb6", "img_sel", 1),
	GATE_IMG(CLK_IMG_DIP, "imgsys_dip", "img_sel", 2),
	GATE_IMG(CLK_IMG_MFB, "imgsys_mfb", "img_sel", 6),
	GATE_IMG(CLK_IMG_WPE_A, "imgsys_wpe_a", "img_sel", 7),
};

static const struct mtk_clk_desc img_desc = {
	.clks = img_clks,
	.num_clks = ARRAY_SIZE(img_clks),
};

static const struct of_device_id of_match_clk_mt6779_img[] = {
	{
		.compatible = "mediatek,mt6779-imgsys",
		.data = &img_desc,
	}, {
		/* sentinel */
	}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_img);

static struct platform_driver clk_mt6779_img_drv = {
	.probe = mtk_clk_simple_probe,
	.remove = mtk_clk_simple_remove,
	.driver = {
		.name = "clk-mt6779-img",
		.of_match_table = of_match_clk_mt6779_img,
	},
};

module_platform_driver(clk_mt6779_img_drv);

MODULE_DESCRIPTION("MediaTek MT6779 imgsys clocks driver");
MODULE_LICENSE("GPL");