117 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/mod_devicetable.h>10#include <linux/platform_device.h>11 12#include "clk-mtk.h"13#include "clk-gate.h"14 15#include <dt-bindings/clock/mt6779-clk.h>16 17static const struct mtk_gate_regs audio0_cg_regs = {18 .set_ofs = 0x0,19 .clr_ofs = 0x0,20 .sta_ofs = 0x0,21};22 23static const struct mtk_gate_regs audio1_cg_regs = {24 .set_ofs = 0x4,25 .clr_ofs = 0x4,26 .sta_ofs = 0x4,27};28 29#define GATE_AUDIO0(_id, _name, _parent, _shift) \30 GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, \31 &mtk_clk_gate_ops_no_setclr)32#define GATE_AUDIO1(_id, _name, _parent, _shift) \33 GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \34 &mtk_clk_gate_ops_no_setclr)35 36static const struct mtk_gate audio_clks[] = {37 /* AUDIO0 */38 GATE_AUDIO0(CLK_AUD_AFE, "aud_afe", "audio_sel", 2),39 GATE_AUDIO0(CLK_AUD_22M, "aud_22m", "aud_eng1_sel", 8),40 GATE_AUDIO0(CLK_AUD_24M, "aud_24m", "aud_eng2_sel", 9),41 GATE_AUDIO0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner",42 "aud_eng2_sel", 18),43 GATE_AUDIO0(CLK_AUD_APLL_TUNER, "aud_apll_tuner",44 "aud_eng1_sel", 19),45 GATE_AUDIO0(CLK_AUD_TDM, "aud_tdm", "aud_eng1_sel", 20),46 GATE_AUDIO0(CLK_AUD_ADC, "aud_adc", "audio_sel", 24),47 GATE_AUDIO0(CLK_AUD_DAC, "aud_dac", "audio_sel", 25),48 GATE_AUDIO0(CLK_AUD_DAC_PREDIS, "aud_dac_predis",49 "audio_sel", 26),50 GATE_AUDIO0(CLK_AUD_TML, "aud_tml", "audio_sel", 27),51 GATE_AUDIO0(CLK_AUD_NLE, "aud_nle", "audio_sel", 28),52 /* AUDIO1 */53 GATE_AUDIO1(CLK_AUD_I2S1_BCLK_SW, "aud_i2s1_bclk",54 "audio_sel", 4),55 GATE_AUDIO1(CLK_AUD_I2S2_BCLK_SW, "aud_i2s2_bclk",56 "audio_sel", 5),57 GATE_AUDIO1(CLK_AUD_I2S3_BCLK_SW, "aud_i2s3_bclk",58 "audio_sel", 6),59 GATE_AUDIO1(CLK_AUD_I2S4_BCLK_SW, "aud_i2s4_bclk",60 "audio_sel", 7),61 GATE_AUDIO1(CLK_AUD_I2S5_BCLK_SW, "aud_i2s5_bclk",62 "audio_sel", 8),63 GATE_AUDIO1(CLK_AUD_CONN_I2S_ASRC, "aud_conn_i2s",64 "audio_sel", 12),65 GATE_AUDIO1(CLK_AUD_GENERAL1_ASRC, "aud_general1",66 "audio_sel", 13),67 GATE_AUDIO1(CLK_AUD_GENERAL2_ASRC, "aud_general2",68 "audio_sel", 14),69 GATE_AUDIO1(CLK_AUD_DAC_HIRES, "aud_dac_hires",70 "audio_h_sel", 15),71 GATE_AUDIO1(CLK_AUD_ADC_HIRES, "aud_adc_hires",72 "audio_h_sel", 16),73 GATE_AUDIO1(CLK_AUD_ADC_HIRES_TML, "aud_adc_hires_tml",74 "audio_h_sel", 17),75 GATE_AUDIO1(CLK_AUD_PDN_ADDA6_ADC, "aud_pdn_adda6_adc",76 "audio_sel", 20),77 GATE_AUDIO1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires",78 "audio_h_sel",79 21),80 GATE_AUDIO1(CLK_AUD_3RD_DAC, "aud_3rd_dac", "audio_sel",81 28),82 GATE_AUDIO1(CLK_AUD_3RD_DAC_PREDIS, "aud_3rd_dac_predis",83 "audio_sel", 29),84 GATE_AUDIO1(CLK_AUD_3RD_DAC_TML, "aud_3rd_dac_tml",85 "audio_sel", 30),86 GATE_AUDIO1(CLK_AUD_3RD_DAC_HIRES, "aud_3rd_dac_hires",87 "audio_h_sel", 31),88};89 90static const struct mtk_clk_desc audio_desc = {91 .clks = audio_clks,92 .num_clks = ARRAY_SIZE(audio_clks),93};94 95static const struct of_device_id of_match_clk_mt6779_aud[] = {96 {97 .compatible = "mediatek,mt6779-audio",98 .data = &audio_desc,99 }, {100 /* sentinel */101 }102};103MODULE_DEVICE_TABLE(of, of_match_clk_mt6779_aud);104 105static struct platform_driver clk_mt6779_aud_drv = {106 .probe = mtk_clk_simple_probe,107 .remove = mtk_clk_simple_remove,108 .driver = {109 .name = "clk-mt6779-aud",110 .of_match_table = of_match_clk_mt6779_aud,111 },112};113module_platform_driver(clk_mt6779_aud_drv);114 115MODULE_DESCRIPTION("MediaTek MT6779 audio clocks driver");116MODULE_LICENSE("GPL");117