lkml.org 
[lkml]   [2017]   [Aug]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] ARM64: dts: marvell: armada-37xx: Enable uSD on ESPRESSObin
Hi,

On Fri, 21 Jul 2017 01:50:36 +0200
Marcin Wojtas <mw@semihalf.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@semihalf.com>
> Signed-off-by: Zbigniew Bodek <zbodek@gmail.com>

Tested-by: Miquel Raynal <miquel.raynal@free-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

\
 
 \ /
  Last update: 2017-08-02 19:17    [W:0.488 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site