63 lines · c
1// SPDX-License-Identifier: GPL-2.02/*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 ipe_cg_regs = {16 .set_ofs = 0x0004,17 .clr_ofs = 0x0008,18 .sta_ofs = 0x0000,19};20 21#define GATE_IPE(_id, _name, _parent, _shift) \22 GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, \23 &mtk_clk_gate_ops_setclr)24 25static const struct mtk_gate ipe_clks[] = {26 GATE_IPE(CLK_IPE_LARB7, "ipe_larb7", "ipe_sel", 0),27 GATE_IPE(CLK_IPE_LARB8, "ipe_larb8", "ipe_sel", 1),28 GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),29 GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),30 GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),31 GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),32 GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),33};34 35static const struct mtk_clk_desc ipe_desc = {36 .clks = ipe_clks,37 .num_clks = ARRAY_SIZE(ipe_clks),38};39 40static const struct of_device_id of_match_clk_mt6779_ipe[] = {41 {42 .compatible = "mediatek,mt6779-ipesys",43 .data = &ipe_desc,44 }, {45 /* sentinel */46 }47};48MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_ipe);49 50static struct platform_driver clk_mt6779_ipe_drv = {51 .probe = mtk_clk_simple_probe,52 .remove = mtk_clk_simple_remove,53 .driver = {54 .name = "clk-mt6779-ipe",55 .of_match_table = of_match_clk_mt6779_ipe,56 },57};58 59module_platform_driver(clk_mt6779_ipe_drv);60 61MODULE_DESCRIPTION("MediaTek MT6779 Image Processing Engine clocks driver");62MODULE_LICENSE("GPL");63