linux-zen-server/drivers/clk/mediatek/clk-mt2701-g3d.c

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2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018 MediaTek Inc.
* Author: Sean Wang <sean.wang@mediatek.com>
*
*/
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include "clk-mtk.h"
#include "clk-gate.h"
#include <dt-bindings/clock/mt2701-clk.h>
#define GATE_G3D(_id, _name, _parent, _shift) \
GATE_MTK(_id, _name, _parent, &g3d_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
static const struct mtk_gate_regs g3d_cg_regs = {
.sta_ofs = 0x0,
.set_ofs = 0x4,
.clr_ofs = 0x8,
};
static const struct mtk_gate g3d_clks[] = {
GATE_DUMMY(CLK_DUMMY, "g3d_dummy"),
GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0),
};
static u16 rst_ofs[] = { 0xc, };
static const struct mtk_clk_rst_desc clk_rst_desc = {
.version = MTK_RST_SIMPLE,
.rst_bank_ofs = rst_ofs,
.rst_bank_nr = ARRAY_SIZE(rst_ofs),
};
static const struct mtk_clk_desc g3d_desc = {
.clks = g3d_clks,
.num_clks = ARRAY_SIZE(g3d_clks),
.rst_desc = &clk_rst_desc,
};
static const struct of_device_id of_match_clk_mt2701_g3d[] = {
{ .compatible = "mediatek,mt2701-g3dsys", .data = &g3d_desc },
{ /* sentinel */ }
};
static struct platform_driver clk_mt2701_g3d_drv = {
.probe = mtk_clk_simple_probe,
.remove = mtk_clk_simple_remove,
.driver = {
.name = "clk-mt2701-g3d",
.of_match_table = of_match_clk_mt2701_g3d,
},
};
builtin_platform_driver(clk_mt2701_g3d_drv);