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-img.c (1854B)

      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 img_cg_regs = {
     16	.set_ofs = 0x4,
     17	.clr_ofs = 0x8,
     18	.sta_ofs = 0x0,
     19};
     20
     21#define GATE_IMG(_id, _name, _parent, _shift)	\
     22	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
     23
     24static const struct mtk_gate img_clks[] = {
     25	GATE_IMG(CLK_IMG_LARB9, "img_larb9", "img1_sel", 0),
     26	GATE_IMG(CLK_IMG_LARB10, "img_larb10", "img1_sel", 1),
     27	GATE_IMG(CLK_IMG_DIP, "img_dip", "img1_sel", 2),
     28	GATE_IMG(CLK_IMG_GALS, "img_gals", "img1_sel", 12),
     29};
     30
     31static const struct mtk_gate img2_clks[] = {
     32	GATE_IMG(CLK_IMG2_LARB11, "img2_larb11", "img1_sel", 0),
     33	GATE_IMG(CLK_IMG2_LARB12, "img2_larb12", "img1_sel", 1),
     34	GATE_IMG(CLK_IMG2_MFB, "img2_mfb", "img1_sel", 6),
     35	GATE_IMG(CLK_IMG2_WPE, "img2_wpe", "img1_sel", 7),
     36	GATE_IMG(CLK_IMG2_MSS, "img2_mss", "img1_sel", 8),
     37	GATE_IMG(CLK_IMG2_GALS, "img2_gals", "img1_sel", 12),
     38};
     39
     40static const struct mtk_clk_desc img_desc = {
     41	.clks = img_clks,
     42	.num_clks = ARRAY_SIZE(img_clks),
     43};
     44
     45static const struct mtk_clk_desc img2_desc = {
     46	.clks = img2_clks,
     47	.num_clks = ARRAY_SIZE(img2_clks),
     48};
     49
     50static const struct of_device_id of_match_clk_mt8192_img[] = {
     51	{
     52		.compatible = "mediatek,mt8192-imgsys",
     53		.data = &img_desc,
     54	}, {
     55		.compatible = "mediatek,mt8192-imgsys2",
     56		.data = &img2_desc,
     57	}, {
     58		/* sentinel */
     59	}
     60};
     61
     62static struct platform_driver clk_mt8192_img_drv = {
     63	.probe = mtk_clk_simple_probe,
     64	.driver = {
     65		.name = "clk-mt8192-img",
     66		.of_match_table = of_match_clk_mt8192_img,
     67	},
     68};
     69
     70builtin_platform_driver(clk_mt8192_img_drv);