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authorAndrew F. Davis <afd@ti.com>2016-10-07 16:44:27 +0200
committerTony Lindgren <tony@atomide.com>2016-11-18 16:05:55 +0100
commit8b43764f5d6859c6da9ee140b8b6f0d8c378064e (patch)
treeff6f504fd5e3a55af03a2193244f4666c534a696 /arch/arm/boot
parentARM: dts: am437x-idk: Add Industrial output support (diff)
downloadlinux-8b43764f5d6859c6da9ee140b8b6f0d8c378064e.tar.xz
linux-8b43764f5d6859c6da9ee140b8b6f0d8c378064e.zip
ARM: dts: am57xx-idk: Add Industrial input support
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@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/am572x-idk.dts4
-rw-r--r--arch/arm/boot/dts/am57xx-idk-common.dtsi15
2 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts
index 87bbc66f0f21..27d9149cedba 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 03cec62260e1..438076e23a55 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