From patchwork Fri Nov 24 18:35:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Sperl X-Patchwork-Id: 841150 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yk4cx61QKz9s83 for ; Sat, 25 Nov 2017 05:35:29 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753654AbdKXSf3 (ORCPT ); Fri, 24 Nov 2017 13:35:29 -0500 Received: from 212-186-180-163.static.upcbusiness.at ([212.186.180.163]:41332 "EHLO cgate.sperl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750731AbdKXSf2 (ORCPT ); Fri, 24 Nov 2017 13:35:28 -0500 Received: from rasp3a.intern.sperl.org (account martin@sperl.org [10.10.10.43] verified) by sperl.org (CommuniGate Pro SMTP 6.1.16) with ESMTPSA id 7520154; Fri, 24 Nov 2017 18:35:24 +0000 From: kernel@martin.sperl.org To: Wolfgang Grandegger , Marc Kleine-Budde , Rob Herring , Mark Rutland , linux-can@vger.kernel.org, devicetree@vger.kernel.org Cc: Martin Sperl Subject: [PATCH 1/2] dt-binding: can: mcp2517fd: document device tree bindings Date: Fri, 24 Nov 2017 18:35:08 +0000 Message-Id: <20171124183509.12810-2-kernel@martin.sperl.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171124183509.12810-1-kernel@martin.sperl.org> References: <20171124183509.12810-1-kernel@martin.sperl.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Martin Sperl Add device-tree bindings for Microcip CanFD Controller mcp2517fd Signed-off-by: Martin Sperl --- .../bindings/net/can/microchip,mcp2517fd.txt | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/can/microchip,mcp2517fd.txt diff --git a/Documentation/devicetree/bindings/net/can/microchip,mcp2517fd.txt b/Documentation/devicetree/bindings/net/can/microchip,mcp2517fd.txt new file mode 100644 index 000000000000..96cbf0c96895 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/microchip,mcp2517fd.txt @@ -0,0 +1,47 @@ +* Microchip MCP2517 stand-alone CAN controller device tree bindings + +Required properties: + - compatible: Should be one of the following: + - "microchip,mcp2517fd" for MCP2517fd. + - reg: SPI chip select. + - clocks: The clock feeding the CAN controller. + - interrupt-parent: The parent interrupt controller. + - interrupts: Should contain IRQ line for the CAN controller. + +Optional properties: + - vdd-supply: Regulator that powers the CAN controller. + - xceiver-supply: Regulator that powers the CAN transceiver. + - microchip,clock_out_div = <0|1|2|4|10>: Clock output pin divider + 0 = Start of Frame output + default: 10 + - microchip,clock_div = <1|2>: internal clock divider - default 1 + - microchip,gpio_opendrain: gpio (int0,1) in open drain mode + instead of default push/pull + - microchip,int_opendrain: int pin in open drain mode + instead of default push/pull + - microchip,txcan_opendrain: txcan pin in open drain mode + instead of default push/pull + - microchip,gpio0_mode : gpio mode functionality + 0 = input + 1 = TX interrupt output - default + 2 = output default low + 3 = output default high + 4 = (tx) transceiver standby + - microchip,gpio1_mode : gpio mode functionality + 0 = input - default + 1 = RX interrupt output - default + 2 = output default low + 3 = output default high + +Example: + can0: can@1 { + compatible = "microchip,mcp2515"; + reg = <1>; + clocks = <&clk24m>; + interrupt-parent = <&gpio4>; + interrupts = <13 0x8>; + vdd-supply = <®5v0>; + xceiver-supply = <®5v0>; + microchip,gpio0_mode = <4>; + microchip,gpio0_mode = <1>; + };