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| author | Andrew F. Davis <afd@ti.com> | 2016-10-07 09:44:27 -0500 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2016-11-18 07:05:55 -0800 |
| commit | 8b43764f5d6859c6da9ee140b8b6f0d8c378064e (patch) | |
| tree | ff6f504fd5e3a55af03a2193244f4666c534a696 | |
| parent | c0a0ee4693511643a4ebab949a97d6e79508b06d (diff) | |
| download | op-kernel-dev-8b43764f5d6859c6da9ee140b8b6f0d8c378064e.zip op-kernel-dev-8b43764f5d6859c6da9ee140b8b6f0d8c378064e.tar.gz | |
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>
| -rw-r--r-- | arch/arm/boot/dts/am572x-idk.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am57xx-idk-common.dtsi | 15 |
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 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 |
