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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 hif_cg_regs = {16 .sta_ofs = 0x0030,17};18 19#define GATE_HIF(_id, _name, _parent, _shift) \20 GATE_MTK(_id, _name, _parent, &hif_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)21 22static const struct mtk_gate hif_clks[] = {23 GATE_DUMMY(CLK_DUMMY, "hif_dummy"),24 GATE_HIF(CLK_HIFSYS_USB0PHY, "usb0_phy_clk", "ethpll_500m_ck", 21),25 GATE_HIF(CLK_HIFSYS_USB1PHY, "usb1_phy_clk", "ethpll_500m_ck", 22),26 GATE_HIF(CLK_HIFSYS_PCIE0, "pcie0_clk", "ethpll_500m_ck", 24),27 GATE_HIF(CLK_HIFSYS_PCIE1, "pcie1_clk", "ethpll_500m_ck", 25),28 GATE_HIF(CLK_HIFSYS_PCIE2, "pcie2_clk", "ethpll_500m_ck", 26),29};30 31static u16 rst_ofs[] = { 0x34, };32 33static const struct mtk_clk_rst_desc clk_rst_desc = {34 .version = MTK_RST_SIMPLE,35 .rst_bank_ofs = rst_ofs,36 .rst_bank_nr = ARRAY_SIZE(rst_ofs),37};38 39static const struct mtk_clk_desc hif_desc = {40 .clks = hif_clks,41 .num_clks = ARRAY_SIZE(hif_clks),42 .rst_desc = &clk_rst_desc,43};44 45static const struct of_device_id of_match_clk_mt2701_hif[] = {46 { .compatible = "mediatek,mt2701-hifsys", .data = &hif_desc },47 { /* sentinel */ }48};49MODULE_DEVICE_TABLE(of, of_match_clk_mt2701_hif);50 51static struct platform_driver clk_mt2701_hif_drv = {52 .probe = mtk_clk_simple_probe,53 .remove = mtk_clk_simple_remove,54 .driver = {55 .name = "clk-mt2701-hif",56 .of_match_table = of_match_clk_mt2701_hif,57 },58};59module_platform_driver(clk_mt2701_hif_drv);60 61MODULE_DESCRIPTION("MediaTek MT2701 HIFSYS clocks driver");62MODULE_LICENSE("GPL");63