From 1418f9e6e02da2ad0a6aacc8645e6ad7496105e9 Mon Sep 17 00:00:00 2001 From: Liu Gang Date: Wed, 23 Mar 2016 17:47:19 +0800 Subject: [PATCH] gpio: mpc8xxx: Add new platforms GPIO DT node description Update the NXP GPIO node dt-binding file for QorIQ and Layerscape platforms, and add one more example with ls2080a GPIO node. Signed-off-by: Liu Gang Signed-off-by: Linus Walleij --- .../devicetree/bindings/gpio/gpio-mpc8xxx.txt | 20 ++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt index 120bc4971cf3..4b6cc632ca5c 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt @@ -1,9 +1,10 @@ -* Freescale MPC512x/MPC8xxx/Layerscape GPIO controller +* Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller Required properties: - compatible : Should be "fsl,-gpio" The following s are known to be supported: - mpc5121, mpc5125, mpc8349, mpc8572, mpc8610, pq3, qoriq. + mpc5121, mpc5125, mpc8349, mpc8572, mpc8610, pq3, qoriq, + ls1021a, ls1043a, ls2080a. - reg : Address and length of the register set for the device - interrupts : Should be the port interrupt shared by all 32 pins. - #gpio-cells : Should be two. The first cell is the pin number and @@ -15,7 +16,7 @@ Optional properties: - little-endian : GPIO registers are used as little endian. If not present registers are used as big endian by default. -Example: +Example of gpio-controller node for a mpc5125 SoC: gpio0: gpio@1100 { compatible = "fsl,mpc5125-gpio"; @@ -24,3 +25,16 @@ gpio0: gpio@1100 { interrupts = <78 0x8>; status = "okay"; }; + +Example of gpio-controller node for a ls2080a SoC: + +gpio0: gpio@2300000 { + compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio"; + reg = <0x0 0x2300000 0x0 0x10000>; + interrupts = <0 36 0x4>; /* Level high type */ + gpio-controller; + little-endian; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; +};