// 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 cam_cg_regs = {
        .set_ofs = 0x0004,
        .clr_ofs = 0x0008,
        .sta_ofs = 0x0000,
};

#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_LARB10, "camsys_larb10", "cam_sel", 0),
        GATE_CAM(CLK_CAM_DFP_VAD, "camsys_dfp_vad", "cam_sel", 1),
        GATE_CAM(CLK_CAM_LARB11, "camsys_larb11", "cam_sel", 2),
        GATE_CAM(CLK_CAM_LARB9, "camsys_larb9", "cam_sel", 3),
        GATE_CAM(CLK_CAM_CAM, "camsys_cam", "cam_sel", 6),
        GATE_CAM(CLK_CAM_CAMTG, "camsys_camtg", "cam_sel", 7),
        GATE_CAM(CLK_CAM_SENINF, "camsys_seninf", "cam_sel", 8),
        GATE_CAM(CLK_CAM_CAMSV0, "camsys_camsv0", "cam_sel", 9),
        GATE_CAM(CLK_CAM_CAMSV1, "camsys_camsv1", "cam_sel", 10),
        GATE_CAM(CLK_CAM_CAMSV2, "camsys_camsv2", "cam_sel", 11),
        GATE_CAM(CLK_CAM_CAMSV3, "camsys_camsv3", "cam_sel", 12),
        GATE_CAM(CLK_CAM_CCU, "camsys_ccu", "cam_sel", 13),
        GATE_CAM(CLK_CAM_FAKE_ENG, "camsys_fake_eng", "cam_sel", 14),
};

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_mt6779_cam[] = {
        {
                .compatible = "mediatek,mt6779-camsys",
                .data = &cam_desc,
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_cam);

static struct platform_driver clk_mt6779_cam_drv = {
        .probe = mtk_clk_simple_probe,
        .remove = mtk_clk_simple_remove,
        .driver = {
                .name = "clk-mt6779-cam",
                .of_match_table = of_match_clk_mt6779_cam,
        },
};
module_platform_driver(clk_mt6779_cam_drv);

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