The SN65HVS882 is available on both the AM572x and AM571x IDKs and is
attached to SPI1. Input is attached to the I/O header. The load trigger
is attached to GPIO3_19 on the AM572x IDK.
Signed-off-by: Andrew F. Davis <afd@xxxxxx>
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
---
arch/arm/boot/dts/am572x-idk.dts | 4 ++++
arch/arm/boot/dts/am57xx-idk-common.dtsi | 15 +++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts
index 87bbc66..27d9149 100644
--- a/arch/arm/boot/dts/am572x-idk.dts
+++ b/arch/arm/boot/dts/am572x-idk.dts
@@ -83,3 +83,7 @@
bus-width = <4>;
cd-gpios = <&gpio6 27 0>; /* gpio 219 */
};
+
+&sn65hvs882 {
+ load-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
+};
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi
index 03cec62..438076e 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -253,6 +253,21 @@
};
};
+&mcspi3 {
+ status = "okay";
+ ti,pindir-d0-out-d1-in;
+
+ sn65hvs882: sn65hvs882@0 {
+ compatible = "pisosr-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ spi-cpol;
+ };
+};
+
&uart3 {
status = "okay";
interrupts-extended = <&crossbar_mpu GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH
--
2.10.0
--
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