linux-kernel - Re: [PATCH] ARM64: dts: marvell: armada-37xx: Enable uSD on ESPRESSObin

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Date:   Thu, 03 Aug 2017 14:23:07 +0200
From:   Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:     Marcin Wojtas <mw@...ihalf.com>
Cc:     Miquel RAYNAL <miquel.raynal@...e-electrons.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        thomas.petazzoni@...e-electrons.com, andrew@...n.ch,
        marc.zyngier@....com, jaz@...ihalf.com, hannah@...vell.com,
        nadavh@...vell.com, neta@...vell.com, mark.rutland@....com,
        zbodek@...il.com
Subject: Re: [PATCH] ARM64: dts: marvell: armada-37xx: Enable uSD on ESPRESSObin

Hi Marcin,
 
 On mer., août 02 2017, Miquel RAYNAL <miquel.raynal@...e-electrons.com> wrote:

> Hi,
>
> On Fri, 21 Jul 2017 01:50:36 +0200
> Marcin Wojtas <mw@...ihalf.com> wrote:
>
>> The ESPRESSObin board exposes one of the SDHCI interfaces
>> via J1 uSD slot. This patch enables it.
>> 
>> Signed-off-by: Marcin Wojtas <mw@...ihalf.com>
>> Signed-off-by: Zbigniew Bodek <zbodek@...il.com>
>
> Tested-by: Miquel Raynal <miquel.raynal@...e-electrons.com>

Applied on mvebu/dt64 (I also removed the "no-1-8-v" property while
applying it becauseit was obviously wrong)

Thanks,

Gregory

>
>> ---
>>  .../boot/dts/marvell/armada-3720-espressobin.dts   | 26
>> ++++++++++++++++++++++ 1 file changed, 26 insertions(+)
>> 
>> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
>> b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts index
>> b1af3f98..6d0caf1 100644 ---
>> a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts +++
>> b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts @@ -45,6
>> +45,7 @@ 
>>  /dts-v1/;
>>  
>> +#include <dt-bindings/gpio/gpio.h>
>>  #include "armada-372x.dtsi"
>>  
>>  / {
>> @@ -59,6 +60,20 @@
>>  		device_type = "memory";
>>  		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
>>  	};
>> +
>> +	vcc_sd_reg1: regulator {
>> +		compatible = "regulator-gpio";
>> +		regulator-name = "vcc_sd1";
>> +		regulator-min-microvolt = <1800000>;
>> +		regulator-max-microvolt = <3300000>;
>> +		regulator-boot-on;
>> +
>> +		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
>> +		gpios-states = <0>;
>> +		states = <1800000 0x1
>> +			  3300000 0x0>;
>> +		enable-active-high;
>> +	};
>>  };
>>  
>>  /* J9 */
>> @@ -71,6 +86,17 @@
>>  	status = "okay";
>>  };
>>  
>> +/* J1 */
>> +&sdhci1 {
>> +	wp-inverted;
>> +	bus-width = <4>;
>> +	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
>> +	no-1-8-v;
>> +	marvell,pad-type = "sd";
>> +	vqmmc-supply = <&vcc_sd_reg1>;
>> +	status = "okay";
>> +};
>> +
>>  /* Exported on the micro USB connector J5 through an FTDI */
>>  &uart0 {
>>  	status = "okay";
>
>
>
> -- 
> Miquel Raynal, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com