From 8b43764f5d6859c6da9ee140b8b6f0d8c378064e Mon Sep 17 00:00:00 2001 From: "Andrew F. Davis" Date: Fri, 7 Oct 2016 09:44:27 -0500 Subject: 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 Signed-off-by: Sekhar Nori Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am572x-idk.dts | 4 ++++ arch/arm/boot/dts/am57xx-idk-common.dtsi | 15 +++++++++++++++ 2 files changed, 19 insertions(+) (limited to 'arch/arm/boot') 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 -- cgit v1.2.3