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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 A51DDC004D3 for ; Wed, 24 Oct 2018 14:40:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 749692082E for ; Wed, 24 Oct 2018 14:40:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 749692082E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arcx.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727189AbeJXXIu (ORCPT ); Wed, 24 Oct 2018 19:08:50 -0400 Received: from mail.arcx.com ([184.94.50.18]:27680 "EHLO WEBMAIL.arcx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726423AbeJXXIc (ORCPT ); Wed, 24 Oct 2018 19:08:32 -0400 X-Greylist: delayed 906 seconds by postgrey-1.27 at vger.kernel.org; Wed, 24 Oct 2018 19:08:27 EDT Received: from svens-asus.arcx.com (192.168.2.132) by WEBMAIL.arcx.com (192.168.2.64) with Microsoft SMTP Server (TLS) id 15.0.847.32; Wed, 24 Oct 2018 10:26:18 -0400 From: Sven Van Asbroeck To: , , , , , , , , , , , , , , , , , , , , , , , , CC: , Subject: [PATCH anybus v1 2/4] dt-bindings: anybus-bridge: document devicetree binding. Date: Wed, 24 Oct 2018 10:24:54 -0400 Message-ID: <20181024142456.10084-3-svendev@arcx.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181024142456.10084-1-svendev@arcx.com> References: <20181024142456.10084-1-svendev@arcx.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [192.168.2.132] X-ClientProxiedBy: webmail.arcx.com (192.168.2.64) To WEBMAIL.arcx.com (192.168.2.64) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds devicetree binding documentation for the Arcx anybus bridge. Signed-off-by: Sven Van Asbroeck --- .../bindings/mfd/arcx,anybus-bridge.txt | 37 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + 2 files changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/arcx,anybus-bridge.txt diff --git a/Documentation/devicetree/bindings/mfd/arcx,anybus-bridge.txt b/Documentation/devicetree/bindings/mfd/arcx,anybus-bridge.txt new file mode 100644 index 000000000000..3c0399c4ed45 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/arcx,anybus-bridge.txt @@ -0,0 +1,37 @@ +* Arcx anybus bridge + +This chip communicates with the SoC over the WEIM bus. It is +expected that its Device Tree node is specified as the child of a node +corresponding to the WEIM bus used for communication. + +Required properties: + + - compatible : The following chip-specific string: + "arcx,anybus-bridge" + + - reg : + weim memory area where the cpld registers are located, followed by: + weim memory area of the first anybus-s slot, followed by: + weim memory area of the second anybus-s slot. + + - enable-gpios : the gpio connected to the bridge's 'enable gpio'. + + - pwms : the pwm connected to the bridge's 'pwm input'. + + - irq-gpios : the gpios connected to the bridge's interrupt lines. + note that there is no need to provide the 'interrupts' property here. + +Example of usage: + +&weim { + bridge@0,0 { + compatible = "arcx,anybus-bridge"; + reg = <0 0 0x100>, <0 0x400000 0x800>, <1 0x400000 0x800>; + fsl,weim-cs-timing = <0x024400b1 0x00001010 0x20081100 + 0x00000000 0xa0000240 0x00000000>; + enable-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>; + pwms = <&pwm3 0 571>; + irq-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>, + <&gpio1 5 GPIO_ACTIVE_HIGH>; + }; +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 2c3fc512e746..1bf07b20a8af 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -35,6 +35,7 @@ aptina Aptina Imaging arasan Arasan Chip Systems archermind ArcherMind Technology (Nanjing) Co., Ltd. arctic Arctic Sand +arcx Arcx/Archronix Inc. aries Aries Embedded GmbH arm ARM Ltd. armadeus ARMadeus Systems SARL -- 2.17.1