ARM: dts: enable SPI1 for exynos4412-odroidu3

SPI1 is available on IO Port #2 (as depicted on their website)
in PCB Revision 0.5 of Hardkernel Odroid U3 board.
The shield connects a 256KiB spi-nor flash on that bus.

Signed-off-by: Alexis Ballier <aballier@gentoo.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 44684e57ead1..8632f35c6c26 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -13,6 +13,7 @@
 
 /dts-v1/;
 #include "exynos4412-odroid-common.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
         model = "Hardkernel ODROID-U3 board based on Exynos4412";
@@ -61,3 +62,10 @@
                 "Speakers", "SPKL",
                 "Speakers", "SPKR";
 };
+
+&spi_1 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&spi1_bus>;
+        cs-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
+        status = "okay";
+};