60 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (c) 2014 MediaTek Inc.4 * Author: Shunli Wang <shunli.wang@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/mt2701-clk.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, &mtk_clk_gate_ops_setclr)23 24static const struct mtk_gate img_clks[] = {25 GATE_IMG(CLK_IMG_SMI_COMM, "img_smi_comm", "mm_sel", 0),26 GATE_IMG(CLK_IMG_RESZ, "img_resz", "mm_sel", 1),27 GATE_IMG(CLK_IMG_JPGDEC_SMI, "img_jpgdec_smi", "mm_sel", 5),28 GATE_IMG(CLK_IMG_JPGDEC, "img_jpgdec", "mm_sel", 6),29 GATE_IMG(CLK_IMG_VENC_LT, "img_venc_lt", "mm_sel", 8),30 GATE_IMG(CLK_IMG_VENC, "img_venc", "mm_sel", 9),31};32 33static const struct mtk_clk_desc img_desc = {34 .clks = img_clks,35 .num_clks = ARRAY_SIZE(img_clks),36};37 38static const struct of_device_id of_match_clk_mt2701_img[] = {39 {40 .compatible = "mediatek,mt2701-imgsys",41 .data = &img_desc,42 }, {43 /* sentinel */44 }45};46MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_img);47 48static struct platform_driver clk_mt2701_img_drv = {49 .probe = mtk_clk_simple_probe,50 .remove = mtk_clk_simple_remove,51 .driver = {52 .name = "clk-mt2701-img",53 .of_match_table = of_match_clk_mt2701_img,54 },55};56module_platform_driver(clk_mt2701_img_drv);57 58MODULE_DESCRIPTION("MediaTek MT2701 imgsys clocks driver");59MODULE_LICENSE("GPL");60