diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt6779-aud.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt6779-aud.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6779-aud.c b/drivers/clk/mediatek/clk-mt6779-aud.c new file mode 100644 index 000000000000..11b209f95e25 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6779-aud.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 MediaTek Inc. + * Author: Wendell Lin <wendell.lin@mediatek.com> + */ + +#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_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_provider(node, of_clk_src_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, + }, +}; + +builtin_platform_driver(clk_mt6779_aud_drv); |