cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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clk-mt8195-ipe.c (1354B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2//
      3// Copyright (c) 2021 MediaTek Inc.
      4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
      5
      6#include "clk-gate.h"
      7#include "clk-mtk.h"
      8
      9#include <dt-bindings/clock/mt8195-clk.h>
     10#include <linux/clk-provider.h>
     11#include <linux/platform_device.h>
     12
     13static const struct mtk_gate_regs ipe_cg_regs = {
     14	.set_ofs = 0x0,
     15	.clr_ofs = 0x0,
     16	.sta_ofs = 0x0,
     17};
     18
     19#define GATE_IPE(_id, _name, _parent, _shift)			\
     20	GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
     21
     22static const struct mtk_gate ipe_clks[] = {
     23	GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 0),
     24	GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "top_ipe", 1),
     25	GATE_IPE(CLK_IPE_ME, "ipe_me", "top_ipe", 2),
     26	GATE_IPE(CLK_IPE_TOP, "ipe_top", "top_ipe", 3),
     27	GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "top_ipe", 4),
     28};
     29
     30static const struct mtk_clk_desc ipe_desc = {
     31	.clks = ipe_clks,
     32	.num_clks = ARRAY_SIZE(ipe_clks),
     33};
     34
     35static const struct of_device_id of_match_clk_mt8195_ipe[] = {
     36	{
     37		.compatible = "mediatek,mt8195-ipesys",
     38		.data = &ipe_desc,
     39	}, {
     40		/* sentinel */
     41	}
     42};
     43
     44static struct platform_driver clk_mt8195_ipe_drv = {
     45	.probe = mtk_clk_simple_probe,
     46	.remove = mtk_clk_simple_remove,
     47	.driver = {
     48		.name = "clk-mt8195-ipe",
     49		.of_match_table = of_match_clk_mt8195_ipe,
     50	},
     51};
     52builtin_platform_driver(clk_mt8195_ipe_drv);