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Date: Mon, 18 Sep 2017 09:05:35 +0800 From: Jeffy Chen <jeffy.chen@...k-chips.com> To: linux-kernel@...r.kernel.org, dgreid@...omium.org, heiko@...ech.de Cc: briannorris@...omium.org, mka@...omium.org, dianders@...omium.org, Jeffy Chen <jeffy.chen@...k-chips.com> Subject: [PATCH v10] ASoC: rt5514: Add devicetree binding support for rt5514-spi Add devicetree binding support for rt5514 spi dsp codec. Also update rt5514 i2c dt-binding's compatible to distinguish it from rt5514 spi. Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com> --- Changes in v10: Put rt5514-i2c doc & rt5514-spi doc together. Changes in v9: Address comments from Brian. Documentation/devicetree/bindings/sound/rt5514.txt | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/rt5514.txt b/Documentation/devicetree/bindings/sound/rt5514.txt index 929ca6756b02..a4db31f72338 100644 --- a/Documentation/devicetree/bindings/sound/rt5514.txt +++ b/Documentation/devicetree/bindings/sound/rt5514.txt @@ -1,22 +1,28 @@ RT5514 audio CODEC -This device supports I2C only. +This device supports both I2C and SPI. Required properties: -- compatible : "realtek,rt5514". +- compatible : "realtek,rt5514" or "realtek,rt5514", "realtek,rt5514-i2c" for + I2C or "realtek,rt5514", "realtek,rt5514-spi" for SPI. -- reg : The I2C address of the device. +- reg : the I2C address of the device for I2C, the chip select + number for SPI. Optional properties: - clocks: The phandle of the master clock to the CODEC - clock-names: Should be "mclk" +- interrupt-parent: The phandle for the interrupt controller. +- interrupts: The interrupt number to the cpu. The interrupt specifier format + depends on the interrupt controller. + - realtek,dmic-init-delay-ms - Set the DMIC initial delay (ms) to wait it ready. + Set the DMIC initial delay (ms) to wait it ready for I2C. -Pins on the device (for linking into audio routes) for RT5514: +Pins on the device (for linking into audio routes) for I2C: * DMIC1L * DMIC1R -- 2.11.0
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