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Commit 8c126e98 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "spi: spidev: add Qualcomm spi codec slave driver"

parents 26995ba8 5acfc76c

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
@@ -511,3 +511,13 @@ 
		status = "disabled";

	};

};



&qupv3_se22_spi {

	status = "ok";

	spi_codec@0 {

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

		reg = <0>;

		spi-max-frequency = <12800000>;

		spi-cpha;

	};

};

drivers/spi/spidev.c

+1 −0
Original line number Diff line number Diff line
@@ -669,6 +669,7 @@ static const struct of_device_id spidev_dt_ids[] = { 
	{ .compatible = "lineartechnology,ltc2488" },

	{ .compatible = "ge,achc" },

	{ .compatible = "semtech,sx1301" },

	{ .compatible = "qcom,spi-msm-codec-slave" },

	{},

};

MODULE_DEVICE_TABLE(of, spidev_dt_ids);