From 49e1f91cd581acec0ef30ac2860fcdd5e51a6d05 Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Thu, 6 Mar 2014 11:28:25 +0530 Subject: devicetree: bindings: gpio-davinic: fix documentation This patch adds missing #gpio-cells and also adds a usage example for leds. Reported-by: Alexander Holler Signed-off-by: Lad, Prabhakar Signed-off-by: Linus Walleij --- .../devicetree/bindings/gpio/gpio-davinci.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'Documentation/devicetree/bindings/gpio/gpio-davinci.txt') diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt index 4ce9862..5079ba7 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt @@ -8,6 +8,10 @@ Required Properties: - gpio-controller : Marks the device node as a gpio controller. +- #gpio-cells : Should be two. + - first cell is the pin number + - second cell is used to specify optional parameters (unused) + - interrupt-parent: phandle of the parent interrupt controller. - interrupts: Array of GPIO interrupt number. Only banked or unbanked IRQs are @@ -27,6 +31,7 @@ Example: gpio: gpio@1e26000 { compatible = "ti,dm6441-gpio"; gpio-controller; + #gpio-cells = <2>; reg = <0x226000 0x1000>; interrupt-parent = <&intc>; interrupts = <42 IRQ_TYPE_EDGE_BOTH 43 IRQ_TYPE_EDGE_BOTH @@ -39,3 +44,19 @@ gpio: gpio@1e26000 { interrupt-controller; #interrupt-cells = <2>; }; + +leds { + compatible = "gpio-leds"; + + led1 { + label = "davinci:green:usr1"; + gpios = <&gpio 10 GPIO_ACTIVE_HIGH>; + ... + }; + + led2 { + label = "davinci:red:debug1"; + gpios = <&gpio 11 GPIO_ACTIVE_HIGH>; + ... + }; +}; -- cgit v1.1