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-mt8167-img.c (1620B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Copyright (c) 2020 MediaTek Inc.
      4 * Copyright (c) 2020 BayLibre, SAS
      5 * Author: James Liao <jamesjj.liao@mediatek.com>
      6 *         Fabien Parent <fparent@baylibre.com>
      7 */
      8
      9#include <linux/clk-provider.h>
     10#include <linux/of.h>
     11#include <linux/of_address.h>
     12#include <linux/of_device.h>
     13#include <linux/platform_device.h>
     14
     15#include "clk-mtk.h"
     16#include "clk-gate.h"
     17
     18#include <dt-bindings/clock/mt8167-clk.h>
     19
     20static const struct mtk_gate_regs img_cg_regs = {
     21	.set_ofs = 0x4,
     22	.clr_ofs = 0x8,
     23	.sta_ofs = 0x0,
     24};
     25
     26#define GATE_IMG(_id, _name, _parent, _shift) {		\
     27		.id = _id,				\
     28		.name = _name,				\
     29		.parent_name = _parent,			\
     30		.regs = &img_cg_regs,			\
     31		.shift = _shift,			\
     32		.ops = &mtk_clk_gate_ops_setclr,	\
     33	}
     34
     35static const struct mtk_gate img_clks[] __initconst = {
     36	GATE_IMG(CLK_IMG_LARB1_SMI, "img_larb1_smi", "smi_mm", 0),
     37	GATE_IMG(CLK_IMG_CAM_SMI, "img_cam_smi", "smi_mm", 5),
     38	GATE_IMG(CLK_IMG_CAM_CAM, "img_cam_cam", "smi_mm", 6),
     39	GATE_IMG(CLK_IMG_SEN_TG, "img_sen_tg", "cam_mm", 7),
     40	GATE_IMG(CLK_IMG_SEN_CAM, "img_sen_cam", "smi_mm", 8),
     41	GATE_IMG(CLK_IMG_VENC, "img_venc", "smi_mm", 9),
     42};
     43
     44static void __init mtk_imgsys_init(struct device_node *node)
     45{
     46	struct clk_hw_onecell_data *clk_data;
     47	int r;
     48
     49	clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK);
     50
     51	mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), clk_data);
     52
     53	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
     54
     55	if (r)
     56		pr_err("%s(): could not register clock provider: %d\n",
     57			__func__, r);
     58
     59}
     60CLK_OF_DECLARE(mtk_imgsys, "mediatek,mt8167-imgsys", mtk_imgsys_init);