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-mt8183-venc.c (1449B)


      1// SPDX-License-Identifier: GPL-2.0
      2//
      3// Copyright (c) 2018 MediaTek Inc.
      4// Author: Weiyi Lu <weiyi.lu@mediatek.com>
      5
      6#include <linux/clk-provider.h>
      7#include <linux/platform_device.h>
      8
      9#include "clk-mtk.h"
     10#include "clk-gate.h"
     11
     12#include <dt-bindings/clock/mt8183-clk.h>
     13
     14static const struct mtk_gate_regs venc_cg_regs = {
     15	.set_ofs = 0x4,
     16	.clr_ofs = 0x8,
     17	.sta_ofs = 0x0,
     18};
     19
     20#define GATE_VENC_I(_id, _name, _parent, _shift)		\
     21	GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift,	\
     22		&mtk_clk_gate_ops_setclr_inv)
     23
     24static const struct mtk_gate venc_clks[] = {
     25	GATE_VENC_I(CLK_VENC_LARB, "venc_larb",
     26		"mm_sel", 0),
     27	GATE_VENC_I(CLK_VENC_VENC, "venc_venc",
     28		"mm_sel", 4),
     29	GATE_VENC_I(CLK_VENC_JPGENC, "venc_jpgenc",
     30		"mm_sel", 8),
     31};
     32
     33static int clk_mt8183_venc_probe(struct platform_device *pdev)
     34{
     35	struct clk_hw_onecell_data *clk_data;
     36	struct device_node *node = pdev->dev.of_node;
     37
     38	clk_data = mtk_alloc_clk_data(CLK_VENC_NR_CLK);
     39
     40	mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks),
     41			clk_data);
     42
     43	return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
     44}
     45
     46static const struct of_device_id of_match_clk_mt8183_venc[] = {
     47	{ .compatible = "mediatek,mt8183-vencsys", },
     48	{}
     49};
     50
     51static struct platform_driver clk_mt8183_venc_drv = {
     52	.probe = clk_mt8183_venc_probe,
     53	.driver = {
     54		.name = "clk-mt8183-venc",
     55		.of_match_table = of_match_clk_mt8183_venc,
     56	},
     57};
     58
     59builtin_platform_driver(clk_mt8183_venc_drv);