[PATCH v2] gpio: mpc8xxx: Add new platforms GPIO DT node description

[Hui Song]

From: Song Hui <hui.son...@nxp.com>

Update the NXP GPIO node dt-binding file for QorIQ and
Layerscape platforms, and add one more example with
ls1028a GPIO node.

Signed-off-by: Song Hui <hui.son...@nxp.com>
---
 Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt 
b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
index 69d4616..2df5fc0 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt
@@ -37,3 +37,17 @@ gpio0: gpio@2300000 {
        interrupt-controller;
        #interrupt-cells = <2>;
 };
+
+
+Example of gpio-controller node for a ls1028a SoC:
+
+gpio1: gpio@2300000 {
+       compatible = "fsl,ls1028a-gpio","fsl,qoriq-gpio";
+       reg = <0x0 0x2300000 0x0 0x10000>;
+       interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+       gpio-controller;
+       #gpio-cells = <2>;
+       interrupt-controller;
+       #interrupt-cells = <2>;
+       little-endian;
+};
-- 
2.9.5