From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Andy Gross <andy.gross@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>,
David Brown <david.brown@linaro.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-soc@vger.kernel.org,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH 8/8] arm64: dts: db820c: add support to external sd card.
Date: Mon, 20 Jun 2016 21:01:47 +0100 [thread overview]
Message-ID: <1466452907-23290-9-git-send-email-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <1466452907-23290-1-git-send-email-srinivas.kandagatla@linaro.org>
This patch adds support to external sd card.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi | 39 +++++++++++++++++++++++
arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi | 10 ++++++
2 files changed, 49 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi
diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi
new file mode 100644
index 0000000..24552f1
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c-pins.dtsi
@@ -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 */
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index 08b063d..3fbd23e 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -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";
+ };
};
};
--
2.7.4
next prev parent reply other threads:[~2016-06-20 20:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 20:01 [PATCH 0/8] arm64: dts: db820c: Add basic board support Srinivas Kandagatla
2016-06-20 20:01 ` [PATCH 1/8] arm64: dts: db820c: add " Srinivas Kandagatla
2016-06-20 23:23 ` Stephen Boyd
2016-06-21 9:14 ` Srinivas Kandagatla
2016-06-28 17:17 ` Stephen Boyd
2016-06-20 20:01 ` [PATCH 2/8] arm64: dts: db820c: add support to LS-UART0 Srinivas Kandagatla
2016-06-20 20:01 ` [PATCH 3/8] arm64: dts: db820c: add support to LS-I2C0 Srinivas Kandagatla
2016-06-20 20:01 ` [PATCH 4/8] arm64: dts: db820c: add support to LS-I2C1 Srinivas Kandagatla
2016-06-20 20:01 ` [PATCH 5/8] arm64: dts: db820c: add support to I2C on HS Srinivas Kandagatla
2016-06-20 20:01 ` [PATCH 6/8] arm64: dts: db820c: add support to LS-SPI0 Srinivas Kandagatla
2016-06-20 20:01 ` [PATCH 7/8] arm64: dts: db820c: add support to SPI on HS Srinivas Kandagatla
2016-06-20 20:01 ` Srinivas Kandagatla [this message]
2016-06-20 22:53 ` [PATCH 8/8] arm64: dts: db820c: add support to external sd card kbuild test robot
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