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ASoC: zx-i2s: Add the info of pclk to the binding document for zx2967 family 

ZTE's zx2967 I2S controller driver introduces pclk, this
patch documents this fact.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Baoyou Xie 2017-02-09 11:12:57 +08:00 committed by Mark Brown
parent 6c2494f385
commit b5f18ba893
1 changed files with 8 additions and 6 deletions
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14
Documentation/devicetree/bindings/sound/zte,zx-i2s.txt
View File

@ -1,10 +1,12 @@
ZTE ZX296702 I2S controller
Required properties:
- compatible : Must be "zte,zx296702-i2s"
- compatible : Must be one of:
"zte,zx296718-i2s", "zte,zx296702-i2s"
"zte,zx296702-i2s"
- reg : Must contain I2S core's registers location and length
- clocks : Pairs of phandle and specifier referencing the controller's clocks.
- clock-names: "tx" for the clock to the I2S interface.
- clock-names: "wclk" for the wclk, "pclk" for the pclk to the I2S interface.
- dmas: Pairs of phandle and specifier for the DMA channel that is used by
the core. The core expects two dma channels for transmit.
- dma-names : Must be "tx" and "rx"
@ -16,12 +18,12 @@ please check:
* dma/dma.txt
Example:
i2s0: i2s0@0b005000 {
i2s0: i2s@b005000 {
#sound-dai-cells = <0>;
compatible = "zte,zx296702-i2s";
compatible = "zte,zx296718-i2s", "zte,zx296702-i2s";
reg = <0x0b005000 0x1000>;
clocks = <&lsp0clk ZX296702_I2S0_DIV>;
clock-names = "tx";
clocks = <&audiocrm AUDIO_I2S0_WCLK>, <&audiocrm AUDIO_I2S0_PCLK>;
clock-names = "wclk", "pclk";
interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dma 5>, <&dma 6>;
dma-names = "tx", "rx";