linux-kernel - Re: [PATCH 10/10] ARM: dts: bcm2711: Add vmmc regulator in emmc2

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Date:   Fri, 06 Mar 2020 12:37:14 +0100
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     Phil Elwell <phil@...pberrypi.com>,
        Stefan Wahren <stefan.wahren@...e.com>,
        devicetree@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>
Cc:     ulf.hansson@...aro.org, f.fainelli@...il.com, phil@...pberrypi.org,
        adrian.hunter@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/10] ARM: dts: bcm2711: Add vmmc regulator in emmc2

On Fri, 2020-03-06 at 11:35 +0000, Phil Elwell wrote:
> Nicolas, Stefan,
> 
> On 06/03/2020 11:07, Stefan Wahren wrote:
> > Hi Nicolas,
> > 
> > On 06.03.20 11:38, Nicolas Saenz Julienne wrote:
> > > The SD card power can be controlled trough a pin routed into the board's
> > > external GPIO expander. Turn that into a regulator and provide it to
> > > emmc2.
> > > 
> > > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> > > ---
> > >   arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 11 +++++++++++
> > >   1 file changed, 11 insertions(+)
> > > 
> > > diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > > b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > > index e26ea9006378..8e98e917f9f4 100644
> > > --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > > +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> > > @@ -56,6 +56,16 @@ sd_io_1v8_reg: sd_io_1v8_reg {
> > >   			  3300000 0x0>;
> > >   		status = "okay";
> > >   	};
> > > +
> > > +	sd_vcc_reg: sd_vcc_reg {
> > > +		compatible = "regulator-fixed";
> > > +		regulator-name = "vcc-sd";
> > > +		regulator-min-microvolt = <3300000>;
> > > +		regulator-max-microvolt = <3300000>;
> > > +		regulator-boot-on;
> > > +		enable-active-high;
> > > +		gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
> > this new GPIO has an empty GPIO label, please add it.
> 
> The correct name would be "SD_PWR_ON".

Noted

Regrads,
Nicolas


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