Re: [RFCv2 3/3] ARM: dts: N900: Add SSI information

From: Nishanth Menon
Date: Mon Sep 16 2013 - 09:12:30 EST


On 22:44-20130915, Sebastian Reichel wrote:
> Add SSI device tree data for OMAP34xx and Nokia N900.
>
> Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/hsi/omap_ssi.txt | 73 ++++++++++++++++++++++
> arch/arm/boot/dts/omap3-n900.dts | 8 +++
> arch/arm/boot/dts/omap34xx.dtsi | 49 +++++++++++++++
> 3 files changed, 130 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/hsi/omap_ssi.txt
>
> diff --git a/Documentation/devicetree/bindings/hsi/omap_ssi.txt b/Documentation/devicetree/bindings/hsi/omap_ssi.txt
> new file mode 100644
> index 0000000..e3597eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hsi/omap_ssi.txt
> @@ -0,0 +1,73 @@
> +OMAP SSI controller bindings
> +
> +Required properties:
> +- compatible: Should be set to the following value
> + ti,omap3-ssi (applicable to OMAP34xx devices)
> +- ti,hwmods: Name of the hwmod associated to the controller, which
> + is "ssi".
> +- reg: Contains SSI register address range (base address and
> + length).
> +- reg-names: Contains the names of the address ranges. It's
> + expected, that "sys" and "gdd" address ranges are
> + provided.
> +- interrupts: Contains the interrupt information for the controller.
> +- interrupt-names: Contains the names of the interrupts. It's expected,
> + that "gdd_mpu" is provided.
> +- ranges Required as an empty node
> +- #address-cells Should be set to <1>
> +- #size-cells Should be set to <1>
> +
> +Each port is represented as a sub-node of the ti,omap3-ssi device.
> +
> +Required Port sub-node properties:
> +- compatible: Should be set to the following value
> + ti,omap3-ssi-port (applicable to OMAP34xx devices)
> +- reg: Contains port's register address range (base address
> + and length).
> +- reg-names: Contains the names of the address ranges. It's
> + expected, that "tx" and "rx" address ranges are
> + provided.
> +- interrupt-parent Should be a phandle for the interrupt controller
> +- interrupts: Contains the interrupt information for the port.
> +- interrupt-names: Contains the names of the interrupts. It's expected,
> + that "mpu_irq0" and "mpu_irq1" are provided.
> +- ti,ssi-cawake-gpio: Defines which GPIO pin is used to signify CAWAKE
> + events for the port. This is an optional board-specific
> + property. If it's missing the port will not be
> + enabled.
> +
This belongs to patch which introduces SSI driver, no?
--
Regards,
Nishanth Menon
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