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-vdec.c (1667B)

      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 vdec0_cg_regs = {
     15	.set_ofs = 0x0,
     16	.clr_ofs = 0x4,
     17	.sta_ofs = 0x0,
     18};
     19
     20static const struct mtk_gate_regs vdec1_cg_regs = {
     21	.set_ofs = 0x8,
     22	.clr_ofs = 0xc,
     23	.sta_ofs = 0x8,
     24};
     25
     26#define GATE_VDEC0_I(_id, _name, _parent, _shift)		\
     27	GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift,	\
     28		&mtk_clk_gate_ops_setclr_inv)
     29
     30#define GATE_VDEC1_I(_id, _name, _parent, _shift)		\
     31	GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift,	\
     32		&mtk_clk_gate_ops_setclr_inv)
     33
     34static const struct mtk_gate vdec_clks[] = {
     35	/* VDEC0 */
     36	GATE_VDEC0_I(CLK_VDEC_VDEC, "vdec_vdec", "mm_sel", 0),
     37	/* VDEC1 */
     38	GATE_VDEC1_I(CLK_VDEC_LARB1, "vdec_larb1", "mm_sel", 0),
     39};
     40
     41static int clk_mt8183_vdec_probe(struct platform_device *pdev)
     42{
     43	struct clk_hw_onecell_data *clk_data;
     44	struct device_node *node = pdev->dev.of_node;
     45
     46	clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK);
     47
     48	mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks),
     49			clk_data);
     50
     51	return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
     52}
     53
     54static const struct of_device_id of_match_clk_mt8183_vdec[] = {
     55	{ .compatible = "mediatek,mt8183-vdecsys", },
     56	{}
     57};
     58
     59static struct platform_driver clk_mt8183_vdec_drv = {
     60	.probe = clk_mt8183_vdec_probe,
     61	.driver = {
     62		.name = "clk-mt8183-vdec",
     63		.of_match_table = of_match_clk_mt8183_vdec,
     64	},
     65};
     66
     67builtin_platform_driver(clk_mt8183_vdec_drv);