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arm64: dts: db820c: add support to external sd card.

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This patch adds support to external sd card.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Srinivas Kandagatla 2016-06-21 18:22:49 +01:00 committed by Andy Gross
parent 74578565d8
commit 69713756f4
2 changed files with 49 additions and 0 deletions
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39
arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi Normal file
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@ -0,0 +1,39 @@
/*
* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
&msmgpio {
sdc2_cd_on: sdc2_cd_on {
mux {
pins = "gpio38";
function = "gpio";
};
config {
pins = "gpio38";
bias-pull-up; /* pull up */
drive-strength = <16>; /* 16 MA */
};
};
sdc2_cd_off: sdc2_cd_off {
mux {
pins = "gpio38";
function = "gpio";
};
config {
pins = "gpio38";
bias-pull-up; /* pull up */
drive-strength = <2>; /* 2 MA */
};
};
};

10
arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
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@ -12,6 +12,7 @@
*/
#include "msm8996.dtsi"
#include "apq8096-db820c-pins.dtsi"
/ {
aliases {
@ -74,5 +75,14 @@
label = "HS-SPI1";
status = "okay";
};
sdhci@74a4900 {
/* External SD card */
pinctrl-names = "default", "sleep";
pinctrl-0 = <&sdc2_clk_on &sdc2_cmd_on &sdc2_data_on &sdc2_cd_on>;
pinctrl-1 = <&sdc2_clk_off &sdc2_cmd_off &sdc2_data_off &sdc2_cd_off>;
cd-gpios = <&msmgpio 38 0x1>;
status = "okay";
};
};
};