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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>
This commit is contained in:
Andrew F. Davis 2016-10-07 09:44:27 -05:00 committed by Tony Lindgren
parent c0a0ee4693
commit 8b43764f5d
2 changed files with 19 additions and 0 deletions
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4
arch/arm/boot/dts/am572x-idk.dts
View File

@ -83,3 +83,7 @@
bus-width = <4>;
cd-gpios = <&gpio6 27 0>; /* gpio 219 */
};
&sn65hvs882 {
load-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
};

15
arch/arm/boot/dts/am57xx-idk-common.dtsi
View File

@ -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