From: Dan Murphy Date: Thu, 9 May 2019 16:11:07 +0000 (-0500) Subject: dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4edd396a1911222da7a5d4b2bc58ab546de02bd5;p=openwrt%2Fstaging%2Fblogic.git dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver DT binding documentation for TI TCAN4x5x driver. Signed-off-by: Dan Murphy Signed-off-by: Marc Kleine-Budde --- diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt new file mode 100644 index 000000000000..c388f7d9feb1 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt @@ -0,0 +1,37 @@ +Texas Instruments TCAN4x5x CAN Controller +================================================ + +This file provides device node information for the TCAN4x5x interface contains. + +Required properties: + - compatible: "ti,tcan4x5x" + - reg: 0 + - #address-cells: 1 + - #size-cells: 0 + - spi-max-frequency: Maximum frequency of the SPI bus the chip can + operate at should be less than or equal to 18 MHz. + - data-ready-gpios: Interrupt GPIO for data and error reporting. + - device-wake-gpios: Wake up GPIO to wake up the TCAN device. + +See Documentation/devicetree/bindings/net/can/m_can.txt for additional +required property details. + +Optional properties: + - reset-gpios: Hardwired output GPIO. If not defined then software + reset. + - device-state-gpios: Input GPIO that indicates if the device is in + a sleep state or if the device is active. + +Example: +tcan4x5x: tcan4x5x@0 { + compatible = "ti,tcan4x5x"; + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + spi-max-frequency = <10000000>; + bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>; + data-ready-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>; + device-state-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + device-wake-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; +};