79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2018 MediaTek Inc.
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* Author: Owen Chen <owen.chen@mediatek.com>
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*/
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#include <linux/clk-provider.h>
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#include <linux/platform_device.h>
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#include "clk-mtk.h"
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#include "clk-gate.h"
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#include <dt-bindings/clock/mt6765-clk.h>
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static const struct mtk_gate_regs audio0_cg_regs = {
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.set_ofs = 0x0,
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.clr_ofs = 0x0,
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.sta_ofs = 0x0,
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};
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static const struct mtk_gate_regs audio1_cg_regs = {
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.set_ofs = 0x4,
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.clr_ofs = 0x4,
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.sta_ofs = 0x4,
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};
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#define GATE_AUDIO0(_id, _name, _parent, _shift) \
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GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
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#define GATE_AUDIO1(_id, _name, _parent, _shift) \
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GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr)
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static const struct mtk_gate audio_clks[] = {
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/* AUDIO0 */
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GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe", "audio_ck", 2),
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GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_engen1_ck", 8),
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GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner",
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"aud_engen1_ck", 19),
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GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_ck", 24),
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GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_ck", 25),
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GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis",
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"audio_ck", 26),
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GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_ck", 27),
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/* AUDIO1 */
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GATE_AUDIO1(CLK_AUDIO_I2S1_BCLK, "aud_i2s1_bclk",
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"audio_ck", 4),
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GATE_AUDIO1(CLK_AUDIO_I2S2_BCLK, "aud_i2s2_bclk",
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"audio_ck", 5),
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GATE_AUDIO1(CLK_AUDIO_I2S3_BCLK, "aud_i2s3_bclk",
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"audio_ck", 6),
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GATE_AUDIO1(CLK_AUDIO_I2S4_BCLK, "aud_i2s4_bclk",
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"audio_ck", 7),
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};
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static const struct mtk_clk_desc audio_desc = {
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.clks = audio_clks,
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.num_clks = ARRAY_SIZE(audio_clks),
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};
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static const struct of_device_id of_match_clk_mt6765_audio[] = {
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{
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.compatible = "mediatek,mt6765-audsys",
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.data = &audio_desc,
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}, {
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/* sentinel */
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}
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};
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static struct platform_driver clk_mt6765_audio_drv = {
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.probe = mtk_clk_simple_probe,
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.remove = mtk_clk_simple_remove,
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.driver = {
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.name = "clk-mt6765-audio",
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.of_match_table = of_match_clk_mt6765_audio,
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},
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};
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builtin_platform_driver(clk_mt6765_audio_drv);
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