From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Murphy Subject: [PATCH v4 3/4] dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver Date: Thu, 17 Jan 2019 14:06:00 -0600 Message-ID: <20190117200601.16416-3-dmurphy@ti.com> References: <20190117200601.16416-1-dmurphy@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20190117200601.16416-1-dmurphy@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net, b29396@freescale.com Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Murphy List-Id: linux-can.vger.kernel.org DT binding documentation for TI TCAN4x5x driver. Signed-off-by: Dan Murphy --- .../devicetree/bindings/net/can/tcan4x5x.txt | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/tcan4x5x.txt diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt new file mode 100644 index 000000000000..781c19887538 --- /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. + - device-state-gpios: Input GPIO that indicates if the device is in + a sleep state or if the device is active. + +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. + +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>; +}; -- 2.20.1.98.gecbdaf0899