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-mt2712-venc.c (1651B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * Copyright (c) 2017 MediaTek Inc.
      4 * Author: Weiyi Lu <weiyi.lu@mediatek.com>
      5 */
      6
      7#include <linux/clk-provider.h>
      8#include <linux/platform_device.h>
      9
     10#include "clk-mtk.h"
     11#include "clk-gate.h"
     12
     13#include <dt-bindings/clock/mt2712-clk.h>
     14
     15static const struct mtk_gate_regs venc_cg_regs = {
     16	.set_ofs = 0x4,
     17	.clr_ofs = 0x8,
     18	.sta_ofs = 0x0,
     19};
     20
     21#define GATE_VENC(_id, _name, _parent, _shift) {	\
     22		.id = _id,				\
     23		.name = _name,				\
     24		.parent_name = _parent,			\
     25		.regs = &venc_cg_regs,			\
     26		.shift = _shift,			\
     27		.ops = &mtk_clk_gate_ops_setclr_inv,	\
     28	}
     29
     30static const struct mtk_gate venc_clks[] = {
     31	GATE_VENC(CLK_VENC_SMI_COMMON_CON, "venc_smi", "mm_sel", 0),
     32	GATE_VENC(CLK_VENC_VENC, "venc_venc", "venc_sel", 4),
     33	GATE_VENC(CLK_VENC_SMI_LARB6, "venc_smi_larb6", "jpgdec_sel", 12),
     34};
     35
     36static int clk_mt2712_venc_probe(struct platform_device *pdev)
     37{
     38	struct clk_hw_onecell_data *clk_data;
     39	int r;
     40	struct device_node *node = pdev->dev.of_node;
     41
     42	clk_data = mtk_alloc_clk_data(CLK_VENC_NR_CLK);
     43
     44	mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_clks),
     45			clk_data);
     46
     47	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
     48
     49	if (r != 0)
     50		pr_err("%s(): could not register clock provider: %d\n",
     51			__func__, r);
     52
     53	return r;
     54}
     55
     56static const struct of_device_id of_match_clk_mt2712_venc[] = {
     57	{ .compatible = "mediatek,mt2712-vencsys", },
     58	{}
     59};
     60
     61static struct platform_driver clk_mt2712_venc_drv = {
     62	.probe = clk_mt2712_venc_probe,
     63	.driver = {
     64		.name = "clk-mt2712-venc",
     65		.of_match_table = of_match_clk_mt2712_venc,
     66	},
     67};
     68
     69builtin_platform_driver(clk_mt2712_venc_drv);