xref: /openbmc/linux/drivers/clk/mediatek/clk-mt8183-cam.c (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2018 MediaTek Inc.
// Author: Weiyi Lu <weiyi.lu@mediatek.com>

#include <linux/clk-provider.h>
#include <linux/platform_device.h>

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

#include <dt-bindings/clock/mt8183-clk.h>

static const struct mtk_gate_regs cam_cg_regs = {
	.set_ofs = 0x4,
	.clr_ofs = 0x8,
	.sta_ofs = 0x0,
};

#define GATE_CAM(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift,	\
		&mtk_clk_gate_ops_setclr)

static const struct mtk_gate cam_clks[] = {
	GATE_CAM(CLK_CAM_LARB6, "cam_larb6", "cam_sel", 0),
	GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "cam_sel", 1),
	GATE_CAM(CLK_CAM_LARB3, "cam_larb3", "cam_sel", 2),
	GATE_CAM(CLK_CAM_CAM, "cam_cam", "cam_sel", 6),
	GATE_CAM(CLK_CAM_CAMTG, "cam_camtg", "cam_sel", 7),
	GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "cam_sel", 8),
	GATE_CAM(CLK_CAM_CAMSV0, "cam_camsv0", "cam_sel", 9),
	GATE_CAM(CLK_CAM_CAMSV1, "cam_camsv1", "cam_sel", 10),
	GATE_CAM(CLK_CAM_CAMSV2, "cam_camsv2", "cam_sel", 11),
	GATE_CAM(CLK_CAM_CCU, "cam_ccu", "cam_sel", 12),
};

static const struct mtk_clk_desc cam_desc = {
	.clks = cam_clks,
	.num_clks = ARRAY_SIZE(cam_clks),
};

static const struct of_device_id of_match_clk_mt8183_cam[] = {
	{
		.compatible = "mediatek,mt8183-camsys",
		.data = &cam_desc,
	}, {
		/* sentinel */
	}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_cam);

static struct platform_driver clk_mt8183_cam_drv = {
	.probe = mtk_clk_simple_probe,
	.remove_new = mtk_clk_simple_remove,
	.driver = {
		.name = "clk-mt8183-cam",
		.of_match_table = of_match_clk_mt8183_cam,
	},
};
module_platform_driver(clk_mt8183_cam_drv);
MODULE_LICENSE("GPL");