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Message-ID: <20170802191608.58aa312e@xps13>
Date: Wed, 2 Aug 2017 19:16:08 +0200
From: Miquel RAYNAL <miquel.raynal@...e-electrons.com>
To: Marcin Wojtas <mw@...ihalf.com>
Cc: 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,
gregory.clement@...e-electrons.com, mark.rutland@....com,
zbodek@...il.com
Subject: Re: [PATCH] ARM64: dts: marvell: armada-37xx: Enable uSD on
ESPRESSObin
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>
> ---
> .../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
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