From patchwork Mon Oct 28 18:12:35 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Josh Cartwright X-Patchwork-Id: 3104061 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A9DF09F2B7 for ; Mon, 28 Oct 2013 19:16:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A249F20165 for ; Mon, 28 Oct 2013 19:16:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E9A642037E for ; Mon, 28 Oct 2013 19:16:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756153Ab3J1TQJ (ORCPT ); Mon, 28 Oct 2013 15:16:09 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:45244 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756096Ab3J1TOK (ORCPT ); Mon, 28 Oct 2013 15:14:10 -0400 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 20BB813F286; Mon, 28 Oct 2013 19:14:10 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 0A1E713F2AE; Mon, 28 Oct 2013 19:14:10 +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 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: joshc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 2A98613F286; Mon, 28 Oct 2013 19:14:08 +0000 (UTC) Received: by joshc.qualcomm.com (Postfix, from userid 1000) id 8EA9260CFB; Mon, 28 Oct 2013 14:12:55 -0500 (CDT) Message-Id: In-Reply-To: References: From: Josh Cartwright Date: Mon, 28 Oct 2013 13:12:35 -0500 To: Greg Kroah-Hartman , Pawel Moll , Mark Rutland , Stephen Warren , Ian Campbell , Kumar Gala Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Sagar Dharia , Gilad Avidov , Michael Bohan Subject: [PATCH v3 03/10] spmi: add generic SPMI controller binding documentation 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..32a180d --- /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 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 + + controller@.. { + 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>; + }; + };