diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8192-aud.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192-aud.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192-aud.c b/drivers/clk/mediatek/clk-mt8192-aud.c new file mode 100644 index 000000000..8c989bffd --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-aud.c @@ -0,0 +1,118 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8192-clk.h> + +static const struct mtk_gate_regs aud0_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +static const struct mtk_gate_regs aud1_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x4, + .sta_ofs = 0x4, +}; + +static const struct mtk_gate_regs aud2_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0x8, + .sta_ofs = 0x8, +}; + +#define GATE_AUD0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &aud0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) + +#define GATE_AUD1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &aud1_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) + +#define GATE_AUD2(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &aud2_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) + +static const struct mtk_gate aud_clks[] = { + /* AUD0 */ + GATE_AUD0(CLK_AUD_AFE, "aud_afe", "audio_sel", 2), + GATE_AUD0(CLK_AUD_22M, "aud_22m", "aud_engen1_sel", 8), + GATE_AUD0(CLK_AUD_24M, "aud_24m", "aud_engen2_sel", 9), + GATE_AUD0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "aud_engen2_sel", 18), + GATE_AUD0(CLK_AUD_APLL_TUNER, "aud_apll_tuner", "aud_engen1_sel", 19), + GATE_AUD0(CLK_AUD_TDM, "aud_tdm", "aud_1_sel", 20), + GATE_AUD0(CLK_AUD_ADC, "aud_adc", "audio_sel", 24), + GATE_AUD0(CLK_AUD_DAC, "aud_dac", "audio_sel", 25), + GATE_AUD0(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "audio_sel", 26), + GATE_AUD0(CLK_AUD_TML, "aud_tml", "audio_sel", 27), + GATE_AUD0(CLK_AUD_NLE, "aud_nle", "audio_sel", 28), + /* AUD1 */ + GATE_AUD1(CLK_AUD_I2S1_B, "aud_i2s1_b", "audio_sel", 4), + GATE_AUD1(CLK_AUD_I2S2_B, "aud_i2s2_b", "audio_sel", 5), + GATE_AUD1(CLK_AUD_I2S3_B, "aud_i2s3_b", "audio_sel", 6), + GATE_AUD1(CLK_AUD_I2S4_B, "aud_i2s4_b", "audio_sel", 7), + GATE_AUD1(CLK_AUD_CONNSYS_I2S_ASRC, "aud_connsys_i2s_asrc", "audio_sel", 12), + GATE_AUD1(CLK_AUD_GENERAL1_ASRC, "aud_general1_asrc", "audio_sel", 13), + GATE_AUD1(CLK_AUD_GENERAL2_ASRC, "aud_general2_asrc", "audio_sel", 14), + GATE_AUD1(CLK_AUD_DAC_HIRES, "aud_dac_hires", "audio_h_sel", 15), + GATE_AUD1(CLK_AUD_ADC_HIRES, "aud_adc_hires", "audio_h_sel", 16), + GATE_AUD1(CLK_AUD_ADC_HIRES_TML, "aud_adc_hires_tml", "audio_h_sel", 17), + GATE_AUD1(CLK_AUD_ADDA6_ADC, "aud_adda6_adc", "audio_sel", 20), + GATE_AUD1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires", "audio_h_sel", 21), + GATE_AUD1(CLK_AUD_3RD_DAC, "aud_3rd_dac", "audio_sel", 28), + GATE_AUD1(CLK_AUD_3RD_DAC_PREDIS, "aud_3rd_dac_predis", "audio_sel", 29), + GATE_AUD1(CLK_AUD_3RD_DAC_TML, "aud_3rd_dac_tml", "audio_sel", 30), + GATE_AUD1(CLK_AUD_3RD_DAC_HIRES, "aud_3rd_dac_hires", "audio_h_sel", 31), + /* AUD2 */ + GATE_AUD2(CLK_AUD_I2S5_B, "aud_i2s5_b", "audio_sel", 0), + GATE_AUD2(CLK_AUD_I2S6_B, "aud_i2s6_b", "audio_sel", 1), + GATE_AUD2(CLK_AUD_I2S7_B, "aud_i2s7_b", "audio_sel", 2), + GATE_AUD2(CLK_AUD_I2S8_B, "aud_i2s8_b", "audio_sel", 3), + GATE_AUD2(CLK_AUD_I2S9_B, "aud_i2s9_b", "audio_sel", 4), +}; + +static int clk_mt8192_aud_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_AUD_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, aud_clks, ARRAY_SIZE(aud_clks), clk_data); + if (r) + return r; + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + return r; + + r = devm_of_platform_populate(&pdev->dev); + if (r) + of_clk_del_provider(node); + + return r; +} + +static const struct of_device_id of_match_clk_mt8192_aud[] = { + { .compatible = "mediatek,mt8192-audsys", }, + {} +}; + +static struct platform_driver clk_mt8192_aud_drv = { + .probe = clk_mt8192_aud_probe, + .driver = { + .name = "clk-mt8192-aud", + .of_match_table = of_match_clk_mt8192_aud, + }, +}; + +builtin_platform_driver(clk_mt8192_aud_drv); |