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@xxxxxxxxxx>
---
Changes in v2: Use GPIO_ACTIVE_HIGH (Krzysztof Kozlowski)
arch/arm/boot/dts/exynos4412-odroidu3.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 44684e5..8632f35 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";
+};
--
2.5.0
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