Add device node for the MAX11100 evaluation board connected to Genmai's
CN2.
The evaluation kit is connected to 4 GPIO lines configured ad bitbanged
SPI master interface
Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
---
arch/arm/boot/dts/r7s72100-genmai.dts | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm/boot/dts/r7s72100-genmai.dts b/arch/arm/boot/dts/r7s72100-genmai.dts
index 233908b..89a1977 100644
--- a/arch/arm/boot/dts/r7s72100-genmai.dts
+++ b/arch/arm/boot/dts/r7s72100-genmai.dts
@@ -46,6 +46,24 @@
};
};
+ spi-gpio {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default";
+
+ gpio-miso = <&port11 10 GPIO_ACTIVE_HIGH>;
+ gpio-sck = <&port11 9 GPIO_ACTIVE_HIGH>;
+ num-chipselects = <1>;
+ cs-gpios = <&port11 11 GPIO_ACTIVE_HIGH>;
+ status = "ok";
+
+ maxrefdes4x {
+ compatible = "linux,spidev";
+ reg = <0>;
+ spi-max-frequency = <240000>;
+ };
+ };
};
&extal_clk {
@@ -123,3 +141,7 @@
spi-max-frequency = <5000000>;
};
};
+
+&port11 {
+ status = "okay";
+};
--
2.7.4
