Subject: [PATCH] ARM: dts: omap3-n900: Specify peripherals LDO regulators initial mode

From: [email-masked] (Sebastian Reichel)
Date: Sun, 17 Apr 2016 02:05:36 +0200

Hi Ivo,

On Sat, Apr 16, 2016 at 09:37:23AM +0300, Ivaylo Dimitrov wrote:
> Without that, regulators are left in the mode last set by the bootloader or
> by the kernel the device was rebooted from. This leads to various problems
> like non-working peripherals.
> 
> Signed-off-by: Ivaylo Dimitrov <[email-masked]>
> ---
>  arch/arm/boot/dts/omap3-n900.dts | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
> index b3c26a9..1bb36e2 100644
> --- a/arch/arm/boot/dts/omap3-n900.dts
> +++ b/arch/arm/boot/dts/omap3-n900.dts
> @@ -329,6 +329,7 @@
>  	regulator-name = "V28";
>  	regulator-min-microvolt = <2800000>;
>  	regulator-max-microvolt = <2800000>;
> +	regulator-initial-mode = <0x0e>;
>  	regulator-always-on; /* due to battery cover sensor */
>  };

I think this should either get an additional
comment like /* MODE_NORMAL */ or implemented
using a define and a TWL4030_REGULATOR_MODE_NORMAL
constant to keep the *.dts easily readable.

-- Sebastian
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