[PATCH 1/2] ls2080a/dts: Add little endian property for GPIO IP block

Rob Herring
2015-11-05T13:27:37Z

On Wed, Nov 04, 2015 at 02:48:23PM +0800, Liu Gang wrote:
> The GPIO block for ls2080a platform has little endian registers,
> the GPIO driver needs this property to read/write registers by
> right interface.
>
> Signed-off-by: Liu Gang <Gang.Liu@freescale.com>

Acked-by: Rob Herring <robh@kernel.org>

> diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
> index f2455c5..c836dab 100644
> --- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
> +++ b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
> @@ -10,6 +10,9 @@ Required properties:
> the second cell is used to specify the gpio polarity:
> 0 = active high
> 1 = active low
> +- little-endian : Should be set if the GPIO has little endian
> + registers. No the property means the GPIO
> + registers are big endian mode.
>
> Example:
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
> index f3c59f9..41bb8c1 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi
> @@ -277,6 +277,7 @@
> reg = <0x0 0x2300000 0x0 0x10000>;
> interrupts = <0 36 0x4>; /* Level high type */
> gpio-controller;
> + little-endian;
> #gpio-cells = <2>;
> interrupt-controller;
> #interrupt-cells = <2>;
> @@ -287,6 +288,7 @@
> reg = <0x0 0x2310000 0x0 0x10000>;
> interrupts = <0 36 0x4>; /* Level high type */
> gpio-controller;
> + little-endian;
> #gpio-cells = <2>;
> interrupt-controller;
> #interrupt-cells = <2>;
> @@ -297,6 +299,7 @@
> reg = <0x0 0x2320000 0x0 0x10000>;
> interrupts = <0 37 0x4>; /* Level high type */
> gpio-controller;
> + little-endian;
> #gpio-cells = <2>;
> interrupt-controller;
> #interrupt-cells = <2>;
> @@ -307,6 +310,7 @@
> reg = <0x0 0x2330000 0x0 0x10000>;
> interrupts = <0 37 0x4>; /* Level high type */
> gpio-controller;
> + little-endian;
> #gpio-cells = <2>;
> interrupt-controller;
> #interrupt-cells = <2>;
> --
> 2.1.0.27.g96db324
>
> --
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