xref: /linux/drivers/clk/mediatek/clk-mt8195-scp_adsp.c (revision c771600c6af14749609b49565ffb4cac2959710d)

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

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

#include <dt-bindings/clock/mt8195-clk.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>

static const struct mtk_gate_regs scp_adsp_cg_regs = {
	.set_ofs = 0x180,
	.clr_ofs = 0x180,
	.sta_ofs = 0x180,
};

#define GATE_SCP_ADSP(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &scp_adsp_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)

static const struct mtk_gate scp_adsp_clks[] = {
	GATE_SCP_ADSP(CLK_SCP_ADSP_AUDIODSP, "scp_adsp_audiodsp", "top_adsp", 0),
};

static const struct mtk_clk_desc scp_adsp_desc = {
	.clks = scp_adsp_clks,
	.num_clks = ARRAY_SIZE(scp_adsp_clks),
};

static const struct of_device_id of_match_clk_mt8195_scp_adsp[] = {
	{
		.compatible = "mediatek,mt8195-scp_adsp",
		.data = &scp_adsp_desc,
	}, {
		/* sentinel */
	}
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_scp_adsp);

static struct platform_driver clk_mt8195_scp_adsp_drv = {
	.probe = mtk_clk_simple_probe,
	.remove = mtk_clk_simple_remove,
	.driver = {
		.name = "clk-mt8195-scp_adsp",
		.of_match_table = of_match_clk_mt8195_scp_adsp,
	},
};
module_platform_driver(clk_mt8195_scp_adsp_drv);

MODULE_DESCRIPTION("MediaTek MT8195 SCP AudioDSP clocks driver");
MODULE_LICENSE("GPL");