[PATCHv2 1/2] i.MX6-SabreAuto: DTS: use gpio-hog to enable WEIM-NOR at boot

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From: Alison Chaiken <alison_chaiken@xxxxxxxxxx>

Create an imx6qdl-sabreauto-weim-nor.dtsi file whose inclusion in
a DTS file sets GPIO5 to the level at boot that the WEIM-NOR
device requires.  The GPIO is set via the gpio-hogging mechanism.
Devices whose pinmux needs conflict with those of NOR are disabled.

Signed-off-by: Alison Chaiken <alison_chaiken@xxxxxxxxxx>
---
 arch/arm/boot/dts/imx6qdl-sabreauto-weim-nor.dtsi | 43 +++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx6qdl-sabreauto-weim-nor.dtsi

diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto-weim-nor.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto-weim-nor.dtsi
new file mode 100644
index 0000000..a126335
--- /dev/null
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto-weim-nor.dtsi
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ * Copyright (c) 2015 Mentor Graphics Inc.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+&gpio5 {
+	weim_nor {
+		gpio-hog;
+		gpios = <4 0>;
+		output-low;
+		line-name = "weim-nor-gpio";
+	};
+};
+
+&weim {
+	status = "okay";
+};
+
+/* Disable devices that have pinmux conflicts with WEIM */
+
+&i2c3 {
+	status = "disabled";
+};
+
+&uart3 {
+	status = "disabled";
+};
+
+&ecspi1 {
+	status = "disabled";
+};
+
+&usdhc3 {
+	status = "disabled";
+};
-- 
2.1.4

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