linux-zen-server/drivers/clk/mediatek/clk-mt6779-ipe.c

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2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
* Author: Wendell Lin <wendell.lin@mediatek.com>
*/
#include <linux/module.h>
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt6779-clk.h>
#include "clk-mtk.h"
#include "clk-gate.h"
static const struct mtk_gate_regs ipe_cg_regs = {
.set_ofs = 0x0004,
.clr_ofs = 0x0008,
.sta_ofs = 0x0000,
};
#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_LARB7, "ipe_larb7", "ipe_sel", 0),
GATE_IPE(CLK_IPE_LARB8, "ipe_larb8", "ipe_sel", 1),
GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),
GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),
GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),
GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),
GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),
};
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_mt6779_ipe[] = {
{
.compatible = "mediatek,mt6779-ipesys",
.data = &ipe_desc,
}, {
/* sentinel */
}
};
static struct platform_driver clk_mt6779_ipe_drv = {
.probe = mtk_clk_simple_probe,
.remove = mtk_clk_simple_remove,
.driver = {
.name = "clk-mt6779-ipe",
.of_match_table = of_match_clk_mt6779_ipe,
},
};
module_platform_driver(clk_mt6779_ipe_drv);
MODULE_LICENSE("GPL");