linux-kernel - [PATCH 1/2] dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver

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Date:   Mon, 10 Sep 2018 15:12:40 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>
CC:     <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH 1/2] dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver

DT binding documentation for TI TCAN4x5x driver.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 .../devicetree/bindings/net/can/tcan4x5x.txt  | 33 +++++++++++++++++++
 1 file changed, 33 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..3eea2f2bb8a7
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt
@@ -0,0 +1,33 @@
+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. 
+	- wake-up-gpios: Wake up GPIO to wake up the TCAN device
+
+Optional properties:
+	- clocks: Processor clock phandles (see clock bindings for details)
+		  If no clock is defined then the default 40MHz freq is set.
+	- 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>;
+		clocks = <&tclkin_ck>;
+		spi-max-frequency = <10000000>;
+		data-ready-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
+		wake-up-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>;
+	};
-- 
2.17.0.1855.g63749b2dea