From a894f9f0c88402a7ad64850b60f89eec8830f5f5 Mon Sep 17 00:00:00 2001
From: Victor Dodon <printesoi@chromium.org>
Date: Wed, 2 Mar 2016 12:27:35 -0800
Subject: [PATCH 4/9] Enable SPI1

---
 arch/arm/boot/dts/am335x-bone-pinmux-spi1.dtsi | 43 ++++++++++++++++++++++++++
 arch/arm/boot/dts/am335x-bone.dts              |  1 +
 2 files changed, 44 insertions(+)
 create mode 100644 arch/arm/boot/dts/am335x-bone-pinmux-spi1.dtsi

diff --git a/arch/arm/boot/dts/am335x-bone-pinmux-spi1.dtsi b/arch/arm/boot/dts/am335x-bone-pinmux-spi1.dtsi
new file mode 100644
index 0000000..2850313
--- /dev/null
+++ b/arch/arm/boot/dts/am335x-bone-pinmux-spi1.dtsi
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+
+#include <dt-bindings/board/am335x-bbw-bbb-base.h>
+
+&am33xx_pinmux {
+	spi1_pins_s0: spi1_pins_s0 {
+		pinctrl-single,pins = <
+			/* P9_31: mcasp0_aclkx.spi1_sclk */
+			BONE_P9_31 (PIN_INPUT_PULLUP | MUX_MODE3)
+			/* P9_29: mcasp0_fsx.spi1_d0 */
+			BONE_P9_29 (PIN_INPUT_PULLUP | MUX_MODE3)
+			/* P9_30: mcasp0_axr0.spi1_d1 */
+			BONE_P9_30 (PIN_OUTPUT_PULLUP | MUX_MODE3)
+			/* P9_29: mcasp0_ahclkr.spi1_cs0 */
+			BONE_P9_28 (PIN_OUTPUT_PULLUP | MUX_MODE3)
+		>;
+	};
+};
+
+&spi1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi1_pins_s0>;
+
+	spidev@1 {
+		spi-max-frequency = <24000000>;
+		reg = <0>;
+		compatible = "linux,spidev";
+	};
+};
diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index 7403b68..cfd83ec 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts
@@ -24,6 +24,7 @@
 #include "am335x-bone-pinmux-ttyS5.dtsi"
 
 #include "am335x-bone-pinmux-i2c-1.dtsi"
+#include "am335x-bone-pinmux-spi1.dtsi"
 
 / {
 	model = "TI AM335x BeagleBone";
-- 
2.8.0.rc3.226.g39d4020