Re: [PATCHv2 3/3] arm: dts: add bandgap entry for OMAP4460 devices

From: Benoit Cousson
Date: Wed May 15 2013 - 11:24:27 EST


Hi Eduardo,

On 05/15/2013 04:58 PM, Eduardo Valentin wrote:
> Include bandgap devices for OMAP4460 devices.
>
> Cc: "BenoÃt Cousson" <b-cousson@xxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: linux-omap@xxxxxxxxxxxxxxx
> Cc: devicetree-discuss@xxxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
> ---
> arch/arm/boot/dts/omap4460.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap4460.dtsi b/arch/arm/boot/dts/omap4460.dtsi
> index 2cf227c..e5bfbfe 100644
> --- a/arch/arm/boot/dts/omap4460.dtsi
> +++ b/arch/arm/boot/dts/omap4460.dtsi
> @@ -29,4 +29,13 @@
> <0 55 0x4>;
> ti,hwmods = "debugss";
> };
> +
> + bandgap {
> + reg = <0x4a002260 0x4
> + 0x4a00232C 0x4
> + 0x4a002378 0x18>;
> + compatible = "ti,omap4460-bandgap";
> + interrupts = <0 126 4>; /* talert */
> + ti,tshut-gpio = <86>;

Why do you need a custom attribute for GPIO? Cannot you use the standard
one?

Where is the gpio controller phandle?

Usually it looks like this:

gpios = <&gpio1 8 0>;


Regards,
Benoit

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