From f9705438b0f7da5dd04e270a95536b36b3dca54a Mon Sep 17 00:00:00 2001 From: Martyn Welch Date: Fri, 18 Aug 2017 16:53:47 +0100 Subject: [PATCH] dt-bindings: misc: achc: Add device tree binding for GE ACHC Add Device Tree binding document for GE Healthcare USB Management Controller (ACHC). Signed-off-by: Martyn Welch Acked-by: Rob Herring Signed-off-by: Shawn Guo --- .../devicetree/bindings/misc/ge-achc.txt | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/ge-achc.txt diff --git a/Documentation/devicetree/bindings/misc/ge-achc.txt b/Documentation/devicetree/bindings/misc/ge-achc.txt new file mode 100644 index 000000000000..77df94d7a32f --- /dev/null +++ b/Documentation/devicetree/bindings/misc/ge-achc.txt @@ -0,0 +1,26 @@ +* GE Healthcare USB Management Controller + +A device which handles data aquisition from compatible USB based peripherals. +SPI is used for device management. + +Note: This device does not expose the peripherals as USB devices. + +Required properties: + +- compatible : Should be "ge,achc" + +Required SPI properties: + +- reg : Should be address of the device chip select within + the controller. + +- spi-max-frequency : Maximum SPI clocking speed of device in Hz, should be + 1MHz for the GE ACHC. + +Example: + +spidev0: spi@0 { + compatible = "ge,achc"; + reg = <0>; + spi-max-frequency = <1000000>; +}; -- 2.20.1