drivers/clk/mediatek/clk-mt8192-img.c

root/drivers/clk/mediatek/clk-mt8192-img.c
// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) 2021 MediaTek Inc.
// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>

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

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

#include <dt-bindings/clock/mt8192-clk.h>

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

#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_LARB9, "img_larb9", "img1_sel", 0),
        GATE_IMG(CLK_IMG_LARB10, "img_larb10", "img1_sel", 1),
        GATE_IMG(CLK_IMG_DIP, "img_dip", "img1_sel", 2),
        GATE_IMG(CLK_IMG_GALS, "img_gals", "img1_sel", 12),
};

static const struct mtk_gate img2_clks[] = {
        GATE_IMG(CLK_IMG2_LARB11, "img2_larb11", "img1_sel", 0),
        GATE_IMG(CLK_IMG2_LARB12, "img2_larb12", "img1_sel", 1),
        GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "img1_sel", 6),
        GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "img1_sel", 7),
        GATE_IMG(CLK_IMG2_MSS, "img2_mss", "img1_sel", 8),
        GATE_IMG(CLK_IMG2_GALS, "img2_gals", "img1_sel", 12),
};

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

static const struct mtk_clk_desc img2_desc = {
        .clks = img2_clks,
        .num_clks = ARRAY_SIZE(img2_clks),
};

static const struct of_device_id of_match_clk_mt8192_img[] = {
        {
                .compatible = "mediatek,mt8192-imgsys",
                .data = &img_desc,
        }, {
                .compatible = "mediatek,mt8192-imgsys2",
                .data = &img2_desc,
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_img);

static struct platform_driver clk_mt8192_img_drv = {
        .probe = mtk_clk_simple_probe,
        .remove = mtk_clk_simple_remove,
        .driver = {
                .name = "clk-mt8192-img",
                .of_match_table = of_match_clk_mt8192_img,
        },
};
module_platform_driver(clk_mt8192_img_drv);

MODULE_DESCRIPTION("MediaTek MT8192 imgsys clocks driver");
MODULE_LICENSE("GPL");
Linux
