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Date: Thu, 6 Mar 2014 11:28:25 +0530 From: Prabhakar Lad <prabhakar.csengg@...il.com> To: Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Rob Landley <rob@...dley.net>, Linus Walleij <linus.walleij@...aro.org>, Grygorii Strashko <grygorii.strashko@...com>, devicetree@...r.kernel.org Cc: LKML <linux-kernel@...r.kernel.org>, linux-doc@...r.kernel.org, Lad Prabhakar <prabhakar.csengg@...il.com> Subject: [PATCH] devicetree: bindings: gpio-davinic: fix documentation From: "Lad, Prabhakar" <prabhakar.csengg@...il.com> This patch adds missing #gpio-cells and also adds a usage example for leds. Reported-by: Alexander Holler <holler@...oftware.de> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com> --- .../devicetree/bindings/gpio/gpio-davinci.txt | 21 ++++++++++++++++++++ 1 file changed, 21 insertions(+) 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@...6000 { 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@...6000 { 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>; + ... + }; +}; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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