From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerhard Bertelsmann Subject: [PATCH v8 1/3] can: Allwinner A10/A20 CAN Controller support - Devicetree bindings Date: Wed, 16 Sep 2015 13:21:19 +0200 Message-ID: <1442402482-7118-2-git-send-email-info@gerhard-bertelsmann.de> References: <1442402482-7118-1-git-send-email-info@gerhard-bertelsmann.de> Cc: Gerhard Bertelsmann To: wg@grandegger.com, mkl@pengutronix.de, maxime.ripard@free-electrons.com, linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Return-path: In-Reply-To: <1442402482-7118-1-git-send-email-info@gerhard-bertelsmann.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Devicetree bindings for Allwinner A10/A20 CAN Signed-off-by: Gerhard Bertelsmann --- .../devicetree/bindings/net/can/sun4i_can.txt | 38 + 1 files changed, 389 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/sun4i_can.txt b/Documentation/devicetree/bindings/net/can/sun4i_can.txt new file mode 100644 index 0000000..cd0f50c --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/sun4i_can.txt @@ -0,0 +1,38 @@ +Allwinner A10/A20 CAN controller Device Tree Bindings +----------------------------------------------------- + +Required properties: +- compatible: "allwinner,sun4i-a10-can" +- reg: physical base address and size of the Allwinner A10/A20 CAN register map. +- interrupts: interrupt specifier for the sole interrupt. +- clock: phandle and clock specifier. + + +Example +------- + +SoC common .dtsi file: + + can0_pins_a: can0@0 { + allwinner,pins = "PH20","PH21"; + allwinner,function = "can"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; +... + can0: can@01c2bc00 { + compatible = "allwinner,sun4i-a10-can"; + reg = <0x01c2bc00 0x400>; + interrupts = <0 26 4>; + clocks = <&apb1_gates 4>; + status = "disabled"; + }; + +Board specific .dts file: + + can0: can@01c2bc00 { + pinctrl-names = "default"; + pinctrl-0 = <&can0_pins_a>; + status = "okay"; + }; +