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-mt6779-img.c (1599B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Copyright (c) 2019 MediaTek Inc.
      4 * Author: Wendell Lin <wendell.lin@mediatek.com>
      5 */
      6
      7#include <linux/module.h>
      8#include <linux/clk-provider.h>
      9#include <linux/platform_device.h>
     10#include <dt-bindings/clock/mt6779-clk.h>
     11
     12#include "clk-mtk.h"
     13#include "clk-gate.h"
     14
     15static const struct mtk_gate_regs img_cg_regs = {
     16	.set_ofs = 0x0004,
     17	.clr_ofs = 0x0008,
     18	.sta_ofs = 0x0000,
     19};
     20
     21#define GATE_IMG(_id, _name, _parent, _shift)			\
     22	GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift,	\
     23		&mtk_clk_gate_ops_setclr)
     24
     25static const struct mtk_gate img_clks[] = {
     26	GATE_IMG(CLK_IMG_LARB5, "imgsys_larb5", "img_sel", 0),
     27	GATE_IMG(CLK_IMG_LARB6, "imgsys_larb6", "img_sel", 1),
     28	GATE_IMG(CLK_IMG_DIP, "imgsys_dip", "img_sel", 2),
     29	GATE_IMG(CLK_IMG_MFB, "imgsys_mfb", "img_sel", 6),
     30	GATE_IMG(CLK_IMG_WPE_A, "imgsys_wpe_a", "img_sel", 7),
     31};
     32
     33static const struct of_device_id of_match_clk_mt6779_img[] = {
     34	{ .compatible = "mediatek,mt6779-imgsys", },
     35	{}
     36};
     37
     38static int clk_mt6779_img_probe(struct platform_device *pdev)
     39{
     40	struct clk_hw_onecell_data *clk_data;
     41	struct device_node *node = pdev->dev.of_node;
     42
     43	clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK);
     44
     45	mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks),
     46			       clk_data);
     47
     48	return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
     49}
     50
     51static struct platform_driver clk_mt6779_img_drv = {
     52	.probe = clk_mt6779_img_probe,
     53	.driver = {
     54		.name = "clk-mt6779-img",
     55		.of_match_table = of_match_clk_mt6779_img,
     56	},
     57};
     58
     59module_platform_driver(clk_mt6779_img_drv);
     60MODULE_LICENSE("GPL");