linux-kernel - Re: [PATCH 2/2] am335x-boneblack: add eMMC DT entry

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Date:	Wed, 11 Sep 2013 12:57:12 +0200
From:	Koen Kooi <koen@...inion.thruhere.net>
To:	Sekhar Nori <nsekhar@...com>
Cc:	<linux-omap@...r.kernel.org>, <bcousson@...libre.com>,
	<tony@...mide.com>, <rob.herring@...xeda.com>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<swarren@...dotorg.org>, <ijc+devicetree@...lion.org.uk>,
	<linux@....linux.org.uk>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] am335x-boneblack: add eMMC DT entry


Op 11 sep. 2013, om 12:06 heeft Sekhar Nori <nsekhar@...com> het volgende geschreven:

> On Wednesday 11 September 2013 11:42 AM, Koen Kooi wrote:
>> Signed-off-by: Koen Kooi <koen@...inion.thruhere.net>
>> ---
>> arch/arm/boot/dts/am335x-bone-common.dtsi |  7 +++++++
>> arch/arm/boot/dts/am335x-boneblack.dts    | 15 +++++++++++++++
>> 2 files changed, 22 insertions(+)
>> 
>> diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
>> index ced256c..9c61fef 100644
>> --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
>> +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
>> @@ -241,6 +241,13 @@
>> 			regulator-always-on;
>> 		};
>> 	};
>> +
>> +	vmmcsd_fixed: fixedregulator@0 {
>> +		compatible = "regulator-fixed";
>> +		regulator-name = "vmmcsd_fixed";
>> +		regulator-min-microvolt = <3300000>;
>> +		regulator-max-microvolt = <3300000>;
>> +	};
>> };
>> 
>> &cpsw_emac0 {
>> diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
>> index 197cadf..c09947a 100644
>> --- a/arch/arm/boot/dts/am335x-boneblack.dts
>> +++ b/arch/arm/boot/dts/am335x-boneblack.dts
>> @@ -15,3 +15,18 @@
>> 	regulator-max-microvolt = <1800000>;
>> 	regulator-always-on;
>> };
>> +
>> +&mmc1 { 
>> +	vmmc-supply = <&vmmcsd_fixed>;
>> +};
>> +
>> +&mmc2 { 
>> +	vmmc-supply = <&vmmcsd_fixed>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&emmc_pins>;
>> +	bus-width = <8>;
>> +	ti,non-removable;
> 
> There is a standard binding available for this: "non-removable"
> There should not be a need to introduce a TI specific binding for this
> (I know this is not your fault).
> 
> I will send a patch to change the existing .dts files and update the
> driver - can you drop this line for now so we don't introduce more
> incompatibilities? I can send a patch adding "non-removable" to this
> node as part of my clean-up series.

Sure, I'll send a v2 shortly. Thank you very much for killing another ti, prefixed node!

regards,

Koen

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