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118 lines
3.9 KiB
118 lines
3.9 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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// |
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// Copyright (c) 2021 MediaTek Inc. |
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// Author: Chun-Jie Chen <[email protected]> |
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#include <linux/clk-provider.h> |
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#include <linux/of_platform.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/mt8192-clk.h> |
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static const struct mtk_gate_regs aud0_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 aud1_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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static const struct mtk_gate_regs aud2_cg_regs = { |
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.set_ofs = 0x8, |
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.clr_ofs = 0x8, |
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.sta_ofs = 0x8, |
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}; |
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#define GATE_AUD0(_id, _name, _parent, _shift) \ |
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GATE_MTK(_id, _name, _parent, &aud0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) |
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#define GATE_AUD1(_id, _name, _parent, _shift) \ |
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GATE_MTK(_id, _name, _parent, &aud1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) |
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#define GATE_AUD2(_id, _name, _parent, _shift) \ |
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GATE_MTK(_id, _name, _parent, &aud2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) |
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static const struct mtk_gate aud_clks[] = { |
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/* AUD0 */ |
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GATE_AUD0(CLK_AUD_AFE, "aud_afe", "audio_sel", 2), |
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GATE_AUD0(CLK_AUD_22M, "aud_22m", "aud_engen1_sel", 8), |
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GATE_AUD0(CLK_AUD_24M, "aud_24m", "aud_engen2_sel", 9), |
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GATE_AUD0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "aud_engen2_sel", 18), |
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GATE_AUD0(CLK_AUD_APLL_TUNER, "aud_apll_tuner", "aud_engen1_sel", 19), |
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GATE_AUD0(CLK_AUD_TDM, "aud_tdm", "aud_1_sel", 20), |
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GATE_AUD0(CLK_AUD_ADC, "aud_adc", "audio_sel", 24), |
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GATE_AUD0(CLK_AUD_DAC, "aud_dac", "audio_sel", 25), |
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GATE_AUD0(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "audio_sel", 26), |
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GATE_AUD0(CLK_AUD_TML, "aud_tml", "audio_sel", 27), |
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GATE_AUD0(CLK_AUD_NLE, "aud_nle", "audio_sel", 28), |
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/* AUD1 */ |
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GATE_AUD1(CLK_AUD_I2S1_B, "aud_i2s1_b", "audio_sel", 4), |
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GATE_AUD1(CLK_AUD_I2S2_B, "aud_i2s2_b", "audio_sel", 5), |
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GATE_AUD1(CLK_AUD_I2S3_B, "aud_i2s3_b", "audio_sel", 6), |
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GATE_AUD1(CLK_AUD_I2S4_B, "aud_i2s4_b", "audio_sel", 7), |
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GATE_AUD1(CLK_AUD_CONNSYS_I2S_ASRC, "aud_connsys_i2s_asrc", "audio_sel", 12), |
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GATE_AUD1(CLK_AUD_GENERAL1_ASRC, "aud_general1_asrc", "audio_sel", 13), |
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GATE_AUD1(CLK_AUD_GENERAL2_ASRC, "aud_general2_asrc", "audio_sel", 14), |
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GATE_AUD1(CLK_AUD_DAC_HIRES, "aud_dac_hires", "audio_h_sel", 15), |
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GATE_AUD1(CLK_AUD_ADC_HIRES, "aud_adc_hires", "audio_h_sel", 16), |
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GATE_AUD1(CLK_AUD_ADC_HIRES_TML, "aud_adc_hires_tml", "audio_h_sel", 17), |
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GATE_AUD1(CLK_AUD_ADDA6_ADC, "aud_adda6_adc", "audio_sel", 20), |
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GATE_AUD1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires", "audio_h_sel", 21), |
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GATE_AUD1(CLK_AUD_3RD_DAC, "aud_3rd_dac", "audio_sel", 28), |
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GATE_AUD1(CLK_AUD_3RD_DAC_PREDIS, "aud_3rd_dac_predis", "audio_sel", 29), |
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GATE_AUD1(CLK_AUD_3RD_DAC_TML, "aud_3rd_dac_tml", "audio_sel", 30), |
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GATE_AUD1(CLK_AUD_3RD_DAC_HIRES, "aud_3rd_dac_hires", "audio_h_sel", 31), |
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/* AUD2 */ |
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GATE_AUD2(CLK_AUD_I2S5_B, "aud_i2s5_b", "audio_sel", 0), |
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GATE_AUD2(CLK_AUD_I2S6_B, "aud_i2s6_b", "audio_sel", 1), |
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GATE_AUD2(CLK_AUD_I2S7_B, "aud_i2s7_b", "audio_sel", 2), |
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GATE_AUD2(CLK_AUD_I2S8_B, "aud_i2s8_b", "audio_sel", 3), |
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GATE_AUD2(CLK_AUD_I2S9_B, "aud_i2s9_b", "audio_sel", 4), |
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}; |
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static int clk_mt8192_aud_probe(struct platform_device *pdev) |
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{ |
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struct clk_onecell_data *clk_data; |
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struct device_node *node = pdev->dev.of_node; |
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int r; |
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clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK); |
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if (!clk_data) |
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return -ENOMEM; |
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r = mtk_clk_register_gates(node, aud_clks, ARRAY_SIZE(aud_clks), clk_data); |
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if (r) |
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return r; |
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r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); |
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if (r) |
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return r; |
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r = devm_of_platform_populate(&pdev->dev); |
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if (r) |
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of_clk_del_provider(node); |
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return r; |
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} |
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static const struct of_device_id of_match_clk_mt8192_aud[] = { |
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{ .compatible = "mediatek,mt8192-audsys", }, |
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{} |
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}; |
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static struct platform_driver clk_mt8192_aud_drv = { |
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.probe = clk_mt8192_aud_probe, |
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.driver = { |
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.name = "clk-mt8192-aud", |
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.of_match_table = of_match_clk_mt8192_aud, |
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}, |
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}; |
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builtin_platform_driver(clk_mt8192_aud_drv);
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