root/drivers/clk/mediatek/clk-mt8186-ipe.c
// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>

#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt8186-clk.h>

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

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

#define GATE_IPE(_id, _name, _parent, _shift)                   \
        GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr)

static const struct mtk_gate ipe_clks[] = {
        GATE_IPE(CLK_IPE_LARB19, "ipe_larb19", "top_ipe", 0),
        GATE_IPE(CLK_IPE_LARB20, "ipe_larb20", "top_ipe", 1),
        GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "top_ipe", 2),
        GATE_IPE(CLK_IPE_FD, "ipe_fd", "top_ipe", 3),
        GATE_IPE(CLK_IPE_FE, "ipe_fe", "top_ipe", 4),
        GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "top_ipe", 5),
        GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 6),
        GATE_IPE(CLK_IPE_GALS_IPE, "ipe_gals_ipe", "top_img1", 8),
};

static const struct mtk_clk_desc ipe_desc = {
        .clks = ipe_clks,
        .num_clks = ARRAY_SIZE(ipe_clks),
};

static const struct of_device_id of_match_clk_mt8186_ipe[] = {
        {
                .compatible = "mediatek,mt8186-ipesys",
                .data = &ipe_desc,
        }, {
                /* sentinel */
        }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8186_ipe);

static struct platform_driver clk_mt8186_ipe_drv = {
        .probe = mtk_clk_simple_probe,
        .remove = mtk_clk_simple_remove,
        .driver = {
                .name = "clk-mt8186-ipe",
                .of_match_table = of_match_clk_mt8186_ipe,
        },
};
module_platform_driver(clk_mt8186_ipe_drv);

MODULE_DESCRIPTION("MediaTek MT8186 Image Processing Engine clocks driver");
MODULE_LICENSE("GPL");