drivers/clk/mediatek/clk-mt2701-img.c

root/drivers/clk/mediatek/clk-mt2701-img.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2014 MediaTek Inc.
 * Author: Shunli Wang <shunli.wang@mediatek.com>
 */

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

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

#include <dt-bindings/clock/mt2701-clk.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_DUMMY(CLK_DUMMY, "img_dummy"),
        GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),
        GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),
        GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),
        GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),
        GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),
        GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),
};

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_mt2701_img[] = {
        {
                .compatible = "mediatek,mt2701-imgsys",
                .data = &img_desc,
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_img);

static struct platform_driver clk_mt2701_img_drv = {
        .probe = mtk_clk_simple_probe,
        .remove = mtk_clk_simple_remove,
        .driver = {
                .name = "clk-mt2701-img",
                .of_match_table = of_match_clk_mt2701_img,
        },
};
module_platform_driver(clk_mt2701_img_drv);

MODULE_DESCRIPTION("MediaTek MT2701 imgsys clocks driver");
MODULE_LICENSE("GPL");
Linux
