Commit 69713756 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Andy Gross
Browse files

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



This patch adds support to external sd card.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarAndy Gross <andy.gross@linaro.org>
parent 74578565

arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi

0 → 100644
+39 −0
Original line number Diff line number Diff line 
/*

 * 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 */

		};

	};

};

arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -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";

		};

	};

};