Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754404AbaBLTqx (ORCPT ); Wed, 12 Feb 2014 14:46:53 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:52397 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753462AbaBLTqs (ORCPT ); Wed, 12 Feb 2014 14:46:48 -0500 From: Josh Cartwright To: Greg Kroah-Hartman , linux-kernel@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, Gilad Avidov , Sagar Dharia , Michael Bohan , linux-arm-kernel@lists.infradead.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Rob Landley , devicetree@vger.kernel.org, linux-doc@vger.kernel.org Subject: [PATCH v6 2/6] spmi: add generic SPMI controller binding documentation Date: Wed, 12 Feb 2014 13:44:23 -0600 Message-Id: <1392234267-10880-3-git-send-email-joshc@codeaurora.org> X-Mailer: git-send-email 1.8.5.4 In-Reply-To: <1392234267-10880-1-git-send-email-joshc@codeaurora.org> References: <1392234267-10880-1-git-send-email-joshc@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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>; + }; + }; -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/