diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt6765-audio.c')
-rw-r--r-- | drivers/clk/mediatek/clk-mt6765-audio.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6765-audio.c b/drivers/clk/mediatek/clk-mt6765-audio.c new file mode 100644 index 000000000..5682e0302 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6765-audio.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Owen Chen <owen.chen@mediatek.com> + */ + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt6765-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_AUDIO_AFE, "aud_afe", "audio_ck", 2), + GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_engen1_ck", 8), + GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner", + "aud_engen1_ck", 19), + GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_ck", 24), + GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_ck", 25), + GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis", + "audio_ck", 26), + GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_ck", 27), + /* AUDIO1 */ + GATE_AUDIO1(CLK_AUDIO_I2S1_BCLK, "aud_i2s1_bclk", + "audio_ck", 4), + GATE_AUDIO1(CLK_AUDIO_I2S2_BCLK, "aud_i2s2_bclk", + "audio_ck", 5), + GATE_AUDIO1(CLK_AUDIO_I2S3_BCLK, "aud_i2s3_bclk", + "audio_ck", 6), + GATE_AUDIO1(CLK_AUDIO_I2S4_BCLK, "aud_i2s4_bclk", + "audio_ck", 7), +}; + +static const struct mtk_clk_desc audio_desc = { + .clks = audio_clks, + .num_clks = ARRAY_SIZE(audio_clks), +}; + +static const struct of_device_id of_match_clk_mt6765_audio[] = { + { + .compatible = "mediatek,mt6765-audsys", + .data = &audio_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt6765_audio_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt6765-audio", + .of_match_table = of_match_clk_mt6765_audio, + }, +}; + +builtin_platform_driver(clk_mt6765_audio_drv); |