linux_old1/drivers/clk/mediatek/clk-mt8183-mfgcfg.c

58 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2018 MediaTek Inc.
// Author: Weiyi Lu <weiyi.lu@mediatek.com>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include "clk-mtk.h"
#include "clk-gate.h"
#include <dt-bindings/clock/mt8183-clk.h>
static const struct mtk_gate_regs mfg_cg_regs = {
.set_ofs = 0x4,
.clr_ofs = 0x8,
.sta_ofs = 0x0,
};
#define GATE_MFG(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &mfg_cg_regs, _shift, \
&mtk_clk_gate_ops_setclr)
static const struct mtk_gate mfg_clks[] = {
GATE_MFG(CLK_MFG_BG3D, "mfg_bg3d", "mfg_sel", 0)
};
static int clk_mt8183_mfg_probe(struct platform_device *pdev)
{
struct clk_onecell_data *clk_data;
struct device_node *node = pdev->dev.of_node;
pm_runtime_enable(&pdev->dev);
clk_data = mtk_alloc_clk_data(CLK_MFG_NR_CLK);
mtk_clk_register_gates_with_dev(node, mfg_clks, ARRAY_SIZE(mfg_clks),
clk_data, &pdev->dev);
return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
}
static const struct of_device_id of_match_clk_mt8183_mfg[] = {
{ .compatible = "mediatek,mt8183-mfgcfg", },
{}
};
static struct platform_driver clk_mt8183_mfg_drv = {
.probe = clk_mt8183_mfg_probe,
.driver = {
.name = "clk-mt8183-mfg",
.of_match_table = of_match_clk_mt8183_mfg,
},
};
builtin_platform_driver(clk_mt8183_mfg_drv);