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| author | John Stultz <john.stultz@linaro.org> | 2016-07-19 15:56:26 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2017-01-26 10:54:42 -0800 |
| commit | 73b91b42a7ace097edddfe9d8f1a72061de5dceb (patch) | |
| tree | cac468432df09a82a255d322d6de58d4d9b11507 | |
| parent | 1f9b1b08d90cf9fe5b59340290cb99ee2666c1bf (diff) | |
| download | hikey-clang-73b91b42a7ace097edddfe9d8f1a72061de5dceb.tar.gz | |
ASoC: add hi6210-i2s DT bindings
Adds DT bindings documentation for the hi6210-i2s driver.
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Andy Green <andy@warmcat.com>
Cc: Dave Long <dave.long@linaro.org>
Cc: Guodong Xu <guodong.xu@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
v3:
* Simplified and reworked dt binding
| -rw-r--r-- | Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt b/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt new file mode 100644 index 000000000000..4be451cf4716 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt @@ -0,0 +1,32 @@ +* Hisilicon 6210 i2s controller + +Required properties: + +- compatible: should be one of the following: + - "hisilicon,hi6210-i2s" +- reg: physical base address of the i2s controller unit and length of + memory mapped region. +- interrupts: should contain the i2s interrupt. +- clocks: a list of phandle + clock-specifier pairs, one for each entry + in clock-names. +- clock-names: should contain following: + - "dacodec" + - "i2s-base" +- dmas: DMA specifiers for tx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: should be "tx" and "rx" +- hisilicon,sysctrl-syscon: phandle to sysctrl syscon + +Example for the hi6210 i2s controller: + +i2s0: hi6210_i2s { + compatible = "hisilicon,hi6210-i2s"; + reg = <0x0 0xf7118000 0x0 0x8000>; /* i2s unit */ + interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>; /* 155 "DigACodec_intr"-32 */ + clocks = <&sys_ctrl HI6220_DACODEC_PCLK>, + <&sys_ctrl HI6220_BBPPLL0_DIV>; + clock-names = "dacodec", "i2s-base"; + dmas = <&dma0 15 &dma0 14>; + dma-names = "rx", "tx"; + hisilicon,sysctrl-syscon = <&sys_ctrl>; +}; |