cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

clk-mt6765-img.c (1684B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Copyright (c) 2018 MediaTek Inc.
      4 * Author: Owen Chen <owen.chen@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/mt6765-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		.id = _id,				\
     23		.name = _name,				\
     24		.parent_name = _parent,			\
     25		.regs = &img_cg_regs,			\
     26		.shift = _shift,			\
     27		.ops = &mtk_clk_gate_ops_setclr,	\
     28	}
     29
     30static const struct mtk_gate img_clks[] = {
     31	GATE_IMG(CLK_IMG_LARB2, "img_larb2", "mm_ck", 0),
     32	GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_ck", 2),
     33	GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_ck", 3),
     34	GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_ck", 4),
     35	GATE_IMG(CLK_IMG_RSC, "img_rsc", "mm_ck", 5),
     36};
     37
     38static int clk_mt6765_img_probe(struct platform_device *pdev)
     39{
     40	struct clk_hw_onecell_data *clk_data;
     41	int r;
     42	struct device_node *node = pdev->dev.of_node;
     43
     44	clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK);
     45
     46	mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), clk_data);
     47
     48	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
     49
     50	if (r)
     51		pr_err("%s(): could not register clock provider: %d\n",
     52		       __func__, r);
     53
     54	return r;
     55}
     56
     57static const struct of_device_id of_match_clk_mt6765_img[] = {
     58	{ .compatible = "mediatek,mt6765-imgsys", },
     59	{}
     60};
     61
     62static struct platform_driver clk_mt6765_img_drv = {
     63	.probe = clk_mt6765_img_probe,
     64	.driver = {
     65		.name = "clk-mt6765-img",
     66		.of_match_table = of_match_clk_mt6765_img,
     67	},
     68};
     69
     70builtin_platform_driver(clk_mt6765_img_drv);