| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2019 MediaTek Inc. |
| * Author: Wendell Lin <wendell.lin@mediatek.com> |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/clk-provider.h> |
| #include <linux/of.h> |
| #include <linux/of_address.h> |
| #include <linux/of_device.h> |
| #include <linux/platform_device.h> |
| |
| #include "clk-mtk.h" |
| #include "clk-gate.h" |
| |
| #include <dt-bindings/clock/mt6779-clk.h> |
| |
| static const struct mtk_gate_regs audio0_cg_regs = { |
| .set_ofs = 0x0, |
| .clr_ofs = 0x0, |
| .sta_ofs = 0x0, |
| }; |
| |
| static const struct mtk_gate_regs audio1_cg_regs = { |
| .set_ofs = 0x4, |
| .clr_ofs = 0x4, |
| .sta_ofs = 0x4, |
| }; |
| |
| #define GATE_AUDIO0(_id, _name, _parent, _shift) \ |
| GATE_MTK(_id, _name, _parent, &audio0_cg_regs, _shift, \ |
| &mtk_clk_gate_ops_no_setclr) |
| #define GATE_AUDIO1(_id, _name, _parent, _shift) \ |
| GATE_MTK(_id, _name, _parent, &audio1_cg_regs, _shift, \ |
| &mtk_clk_gate_ops_no_setclr) |
| |
| static const struct mtk_gate audio_clks[] = { |
| /* AUDIO0 */ |
| GATE_AUDIO0(CLK_AUD_AFE, "aud_afe", "audio_sel", 2), |
| GATE_AUDIO0(CLK_AUD_22M, "aud_22m", "aud_eng1_sel", 8), |
| GATE_AUDIO0(CLK_AUD_24M, "aud_24m", "aud_eng2_sel", 9), |
| GATE_AUDIO0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", |
| "aud_eng2_sel", 18), |
| GATE_AUDIO0(CLK_AUD_APLL_TUNER, "aud_apll_tuner", |
| "aud_eng1_sel", 19), |
| GATE_AUDIO0(CLK_AUD_TDM, "aud_tdm", "aud_eng1_sel", 20), |
| GATE_AUDIO0(CLK_AUD_ADC, "aud_adc", "audio_sel", 24), |
| GATE_AUDIO0(CLK_AUD_DAC, "aud_dac", "audio_sel", 25), |
| GATE_AUDIO0(CLK_AUD_DAC_PREDIS, "aud_dac_predis", |
| "audio_sel", 26), |
| GATE_AUDIO0(CLK_AUD_TML, "aud_tml", "audio_sel", 27), |
| GATE_AUDIO0(CLK_AUD_NLE, "aud_nle", "audio_sel", 28), |
| /* AUDIO1 */ |
| GATE_AUDIO1(CLK_AUD_I2S1_BCLK_SW, "aud_i2s1_bclk", |
| "audio_sel", 4), |
| GATE_AUDIO1(CLK_AUD_I2S2_BCLK_SW, "aud_i2s2_bclk", |
| "audio_sel", 5), |
| GATE_AUDIO1(CLK_AUD_I2S3_BCLK_SW, "aud_i2s3_bclk", |
| "audio_sel", 6), |
| GATE_AUDIO1(CLK_AUD_I2S4_BCLK_SW, "aud_i2s4_bclk", |
| "audio_sel", 7), |
| GATE_AUDIO1(CLK_AUD_I2S5_BCLK_SW, "aud_i2s5_bclk", |
| "audio_sel", 8), |
| GATE_AUDIO1(CLK_AUD_CONN_I2S_ASRC, "aud_conn_i2s", |
| "audio_sel", 12), |
| GATE_AUDIO1(CLK_AUD_GENERAL1_ASRC, "aud_general1", |
| "audio_sel", 13), |
| GATE_AUDIO1(CLK_AUD_GENERAL2_ASRC, "aud_general2", |
| "audio_sel", 14), |
| GATE_AUDIO1(CLK_AUD_DAC_HIRES, "aud_dac_hires", |
| "audio_h_sel", 15), |
| GATE_AUDIO1(CLK_AUD_ADC_HIRES, "aud_adc_hires", |
| "audio_h_sel", 16), |
| GATE_AUDIO1(CLK_AUD_ADC_HIRES_TML, "aud_adc_hires_tml", |
| "audio_h_sel", 17), |
| GATE_AUDIO1(CLK_AUD_PDN_ADDA6_ADC, "aud_pdn_adda6_adc", |
| "audio_sel", 20), |
| GATE_AUDIO1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires", |
| "audio_h_sel", |
| 21), |
| GATE_AUDIO1(CLK_AUD_3RD_DAC, "aud_3rd_dac", "audio_sel", |
| 28), |
| GATE_AUDIO1(CLK_AUD_3RD_DAC_PREDIS, "aud_3rd_dac_predis", |
| "audio_sel", 29), |
| GATE_AUDIO1(CLK_AUD_3RD_DAC_TML, "aud_3rd_dac_tml", |
| "audio_sel", 30), |
| GATE_AUDIO1(CLK_AUD_3RD_DAC_HIRES, "aud_3rd_dac_hires", |
| "audio_h_sel", 31), |
| }; |
| |
| static const struct of_device_id of_match_clk_mt6779_aud[] = { |
| { .compatible = "mediatek,mt6779-audio", }, |
| {} |
| }; |
| |
| static int clk_mt6779_aud_probe(struct platform_device *pdev) |
| { |
| struct clk_hw_onecell_data *clk_data; |
| struct device_node *node = pdev->dev.of_node; |
| |
| clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK); |
| |
| mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks), |
| clk_data); |
| |
| return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); |
| } |
| |
| static struct platform_driver clk_mt6779_aud_drv = { |
| .probe = clk_mt6779_aud_probe, |
| .driver = { |
| .name = "clk-mt6779-aud", |
| .of_match_table = of_match_clk_mt6779_aud, |
| }, |
| }; |
| |
| module_platform_driver(clk_mt6779_aud_drv); |
| MODULE_LICENSE("GPL"); |