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Commit 129965d5 authored by Derek Chen's avatar Derek Chen Committed by Gerrit - the friendly Code Review server
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ARM: dts: msm: add spi dev node on sa8155 adp platform 



Add spi-msm-codec-slave device as a subnode of
spi se2 node on sa8155 adp star platform.

CRs-fixed: 1027162
Signed-off-by: default avatarDerek Chen <chenche@codeaurora.org>
Change-Id: I0b402ef31b53b7f0408e2eec39cc8dea2729cedd
parent d299e4b6

Documentation/devicetree/bindings/spi/qcom,spi-geni-qcom.txt

+16 −1
Original line number Diff line number Diff line
@@ -31,7 +31,22 @@ Optional properties: 
- qcom,disable-autosuspend: Specifies to disable runtime PM auto suspend.



SPI slave nodes must be children of the SPI master node and can contain

properties described in Documentation/devicetree/bindings/spi/spi-bus.txt

the following properties.



Required properties:

- compatible:     Should contain:

                  "qcom,spi-msm-codec-slave" for external codec control



- reg:            Chip select address of device.



- spi-max-frequency: Maximum SPI clocking speed of device in Hz.



Optional properties:

- spi-cpha:       Empty property indicating device requires

                  shifted clock phase (CPHA) mode.



Other optional properties described in

Documentation/devicetree/bindings/spi/spi-bus.txt



Example:

arch/arm64/boot/dts/qcom/sa8155-audio.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -499,3 +499,13 @@ 
		status = "disabled";

	};

};



&qupv3_se22_spi {

	status = "ok";

	spi_codec@0 {

		compatible = "qcom,spi-msm-codec-slave";

		reg = <0>;

		spi-max-frequency = <12800000>;

		spi-cpha;

	};

};