From patchwork Mon Feb 3 23:05:34 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Cartwright X-Patchwork-Id: 3572511 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1A7B2C02DC for ; Mon, 3 Feb 2014 23:11:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0337920163 for ; Mon, 3 Feb 2014 23:11:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 357DF20160 for ; Mon, 3 Feb 2014 23:11:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753957AbaBCXKk (ORCPT ); Mon, 3 Feb 2014 18:10:40 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:46495 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753822AbaBCXI6 (ORCPT ); Mon, 3 Feb 2014 18:08:58 -0500 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 2785F13EF08; Mon, 3 Feb 2014 23:08:58 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 19B4313F25A; Mon, 3 Feb 2014 23:08:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from joshc.qualcomm.com (rrcs-67-52-129-61.west.biz.rr.com [67.52.129.61]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: joshc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id D28ED13EF08; Mon, 3 Feb 2014 23:08:56 +0000 (UTC) Received: by joshc.qualcomm.com (Postfix, from userid 1000) id 1D5BE61425; Mon, 3 Feb 2014 17:05:40 -0600 (CST) From: Josh Cartwright To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Sagar Dharia , Gilad Avidov , Michael Bohan , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rob Landley , devicetree@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH v5 2/6] spmi: add generic SPMI controller binding documentation Date: Mon, 3 Feb 2014 17:05:34 -0600 Message-Id: <1391468739-20987-3-git-send-email-joshc@codeaurora.org> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1391468739-20987-1-git-send-email-joshc@codeaurora.org> References: <1391468739-20987-1-git-send-email-joshc@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Josh Cartwright --- Documentation/devicetree/bindings/spmi/spmi.txt | 41 +++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/spmi/spmi.txt diff --git a/Documentation/devicetree/bindings/spmi/spmi.txt b/Documentation/devicetree/bindings/spmi/spmi.txt new file mode 100644 index 0000000..462a42f --- /dev/null +++ b/Documentation/devicetree/bindings/spmi/spmi.txt @@ -0,0 +1,41 @@ +System Power Management Interface (SPMI) Controller + +This document defines a generic set of bindings for use by SPMI controllers. A +controller is modelled in device tree as a node with zero or more child nodes, +each representing a unique slave on the bus. + +Required properties: +- #address-cells : must be set to 2 +- #size-cells : must be set to 0 + +Child nodes: + +An SPMI controller node can contain zero or more child nodes representing slave +devices on the bus. Child 'reg' properties are specified as an address, type +pair. The address must be in the range 0-15 (4 bits). The type must be one of +SPMI_USID (0) or SPMI_GSID (1) for Unique Slave ID or Group Slave ID respectively. +These are the identifiers "statically assigned by the system integrator", as +per the SPMI spec. + +Each child node must have one and only one 'reg' entry of type SPMI_USID. + +#include + + spmi@.. { + compatible = "..."; + reg = <...>; + + #address-cells = <2>; + #size-cells <0>; + + child@0 { + compatible = "..."; + reg = <0 SPMI_USID>; + }; + + child@7 { + compatible = "..."; + reg = <7 SPMI_USID + 3 SPMI_GSID>; + }; + };