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-mt8192-ipe.c (1503B)

      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 <linux/clk-provider.h>
      7#include <linux/of_device.h>
      8#include <linux/platform_device.h>
      9
     10#include "clk-mtk.h"
     11#include "clk-gate.h"
     12
     13#include <dt-bindings/clock/mt8192-clk.h>
     14
     15static const struct mtk_gate_regs ipe_cg_regs = {
     16	.set_ofs = 0x4,
     17	.clr_ofs = 0x8,
     18	.sta_ofs = 0x0,
     19};
     20
     21#define GATE_IPE(_id, _name, _parent, _shift)	\
     22	GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
     23
     24static const struct mtk_gate ipe_clks[] = {
     25	GATE_IPE(CLK_IPE_LARB19, "ipe_larb19", "ipe_sel", 0),
     26	GATE_IPE(CLK_IPE_LARB20, "ipe_larb20", "ipe_sel", 1),
     27	GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),
     28	GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),
     29	GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),
     30	GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),
     31	GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),
     32	GATE_IPE(CLK_IPE_GALS, "ipe_gals", "ipe_sel", 8),
     33};
     34
     35static const struct mtk_clk_desc ipe_desc = {
     36	.clks = ipe_clks,
     37	.num_clks = ARRAY_SIZE(ipe_clks),
     38};
     39
     40static const struct of_device_id of_match_clk_mt8192_ipe[] = {
     41	{
     42		.compatible = "mediatek,mt8192-ipesys",
     43		.data = &ipe_desc,
     44	}, {
     45		/* sentinel */
     46	}
     47};
     48
     49static struct platform_driver clk_mt8192_ipe_drv = {
     50	.probe = mtk_clk_simple_probe,
     51	.driver = {
     52		.name = "clk-mt8192-ipe",
     53		.of_match_table = of_match_clk_mt8192_ipe,
     54	},
     55};
     56
     57builtin_platform_driver(clk_mt8192_ipe_drv);