From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97616C3A589 for ; Tue, 20 Aug 2019 11:51:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C39B20578 for ; Tue, 20 Aug 2019 11:51:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729886AbfHTLvp (ORCPT ); Tue, 20 Aug 2019 07:51:45 -0400 Received: from smtp2.goneo.de ([85.220.129.33]:51996 "EHLO smtp2.goneo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729556AbfHTLvp (ORCPT ); Tue, 20 Aug 2019 07:51:45 -0400 Received: from localhost (localhost [127.0.0.1]) by smtp2.goneo.de (Postfix) with ESMTP id 9E30123EF71; Tue, 20 Aug 2019 13:51:42 +0200 (CEST) X-Virus-Scanned: by goneo Received: from smtp2.goneo.de ([127.0.0.1]) by localhost (smtp2.goneo.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5wG0cnB6T3_e; Tue, 20 Aug 2019 13:51:39 +0200 (CEST) Received: from lem-wkst-02.lemonage.de. (hq.lemonage.de [87.138.178.34]) by smtp2.goneo.de (Postfix) with ESMTPA id 7F18723F2CA; Tue, 20 Aug 2019 13:51:39 +0200 (CEST) From: Lars Poeschel To: Rob Herring , Mark Rutland , "GitAuthor: Lars Poeschel" , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Cc: Rob Herring , Johan Hovold Subject: [PATCH v6 2/7] nfc: pn532_uart: Add NXP PN532 to devicetree docs Date: Tue, 20 Aug 2019 14:03:39 +0200 Message-Id: <20190820120345.22593-2-poeschel@lemonage.de> X-Mailer: git-send-email 2.23.0.rc1 In-Reply-To: <20190820120345.22593-1-poeschel@lemonage.de> References: <20190820120345.22593-1-poeschel@lemonage.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a simple binding doc for the pn532. Reviewed-by: Rob Herring Cc: Johan Hovold Signed-off-by: Lars Poeschel --- Changes in v6: - Rebased the patch series on v5.3-rc5 - Picked up Rob's Reviewed-By Changes in v4: - Add documentation about reg property in case of i2c Changes in v3: - seperate binding doc instead of entry in trivial-devices.txt .../devicetree/bindings/nfc/pn532.txt | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/nfc/pn532.txt diff --git a/Documentation/devicetree/bindings/nfc/pn532.txt b/Documentation/devicetree/bindings/nfc/pn532.txt new file mode 100644 index 000000000000..d5aaa588073d --- /dev/null +++ b/Documentation/devicetree/bindings/nfc/pn532.txt @@ -0,0 +1,33 @@ +NXP PN532 NFC Chip + +Required properties: +- compatible: Should be + - "nxp,pn532" Place a node with this inside the devicetree node of the bus + where the NFC chip is connected to. + Currently the kernel has phy bindings for uart and i2c. + - "nxp,pn532-i2c" (DEPRECATED) only works for the i2c binding. + - "nxp,pn533-i2c" (DEPRECATED) only works for the i2c binding. + +Required properties if connected on i2c: +- reg: for the i2c bus address. This is fixed at 0x48 for the PN532. + +Example uart: + +uart4: serial@49042000 { + compatible = "ti,omap3-uart"; + + pn532: nfc { + compatible = "nxp,pn532"; + }; +}; + +Example i2c: + +i2c1: i2c@0 { + compatible = "ti,omap3-i2c"; + + pn532: nfc { + compatible = "nxp,pn532"; + reg = <0x48>; + }; +}; -- 2.23.0.rc1