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-venc.c (2147B)

      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 venc_cg_regs = {
     14	.set_ofs = 0x4,
     15	.clr_ofs = 0x8,
     16	.sta_ofs = 0x0,
     17};
     18
     19#define GATE_VENC(_id, _name, _parent, _shift)			\
     20	GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
     21
     22static const struct mtk_gate venc_clks[] = {
     23	GATE_VENC(CLK_VENC_LARB, "venc_larb", "top_venc", 0),
     24	GATE_VENC(CLK_VENC_VENC, "venc_venc", "top_venc", 4),
     25	GATE_VENC(CLK_VENC_JPGENC, "venc_jpgenc", "top_venc", 8),
     26	GATE_VENC(CLK_VENC_JPGDEC, "venc_jpgdec", "top_venc", 12),
     27	GATE_VENC(CLK_VENC_JPGDEC_C1, "venc_jpgdec_c1", "top_venc", 16),
     28	GATE_VENC(CLK_VENC_GALS, "venc_gals", "top_venc", 28),
     29};
     30
     31static const struct mtk_gate venc_core1_clks[] = {
     32	GATE_VENC(CLK_VENC_CORE1_LARB, "venc_core1_larb", "top_venc", 0),
     33	GATE_VENC(CLK_VENC_CORE1_VENC, "venc_core1_venc", "top_venc", 4),
     34	GATE_VENC(CLK_VENC_CORE1_JPGENC, "venc_core1_jpgenc", "top_venc", 8),
     35	GATE_VENC(CLK_VENC_CORE1_JPGDEC, "venc_core1_jpgdec", "top_venc", 12),
     36	GATE_VENC(CLK_VENC_CORE1_JPGDEC_C1, "venc_core1_jpgdec_c1", "top_venc", 16),
     37	GATE_VENC(CLK_VENC_CORE1_GALS, "venc_core1_gals", "top_venc", 28),
     38};
     39
     40static const struct mtk_clk_desc venc_desc = {
     41	.clks = venc_clks,
     42	.num_clks = ARRAY_SIZE(venc_clks),
     43};
     44
     45static const struct mtk_clk_desc venc_core1_desc = {
     46	.clks = venc_core1_clks,
     47	.num_clks = ARRAY_SIZE(venc_core1_clks),
     48};
     49
     50static const struct of_device_id of_match_clk_mt8195_venc[] = {
     51	{
     52		.compatible = "mediatek,mt8195-vencsys",
     53		.data = &venc_desc,
     54	}, {
     55		.compatible = "mediatek,mt8195-vencsys_core1",
     56		.data = &venc_core1_desc,
     57	}, {
     58		/* sentinel */
     59	}
     60};
     61
     62static struct platform_driver clk_mt8195_venc_drv = {
     63	.probe = mtk_clk_simple_probe,
     64	.remove = mtk_clk_simple_remove,
     65	.driver = {
     66		.name = "clk-mt8195-venc",
     67		.of_match_table = of_match_clk_mt8195_venc,
     68	},
     69};
     70builtin_platform_driver(clk_mt8195_venc_drv);