From f04df4ebee932376a630e0a3be1703a2f678c60d Mon Sep 17 00:00:00 2001 From: Karol Wrona Date: Wed, 28 Jan 2015 15:05:51 +0100 Subject: [PATCH] iio: sensorhub: Add sensorhub bindings Add sensorhub bindings for sensorhub on Galaxy Gear 2. Signed-off-by: Karol Wrona Acked-by: Kyungmin Park Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/sensorhub.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/sensorhub.txt diff --git a/Documentation/devicetree/bindings/iio/sensorhub.txt b/Documentation/devicetree/bindings/iio/sensorhub.txt new file mode 100644 index 000000000000..8d57571d5c0b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/sensorhub.txt @@ -0,0 +1,25 @@ +Samsung Sensorhub driver + +Sensorhub is a MCU which manages several sensors and also plays the role +of a virtual sensor device. + +Required properties: +- compatible: "samsung,sensorhub-rinato" or "samsung,sensorhub-thermostat" +- spi-max-frequency: max SPI clock frequency +- interrupt-parent: interrupt parent +- interrupts: communication interrupt +- ap-mcu-gpios: [out] ap to sensorhub line - used during communication +- mcu-ap-gpios: [in] sensorhub to ap - used during communication +- mcu-reset-gpios: [out] sensorhub reset + +Example: + + shub_spi: shub { + compatible = "samsung,sensorhub-rinato"; + spi-max-frequency = <5000000>; + interrupt-parent = <&gpx0>; + interrupts = <2 0>; + ap-mcu-gpios = <&gpx0 0 0>; + mcu-ap-gpios = <&gpx0 4 0>; + mcu-reset-gpios = <&gpx0 5 0>; + };