Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757533Ab3J1TQK (ORCPT ); Mon, 28 Oct 2013 15:16:10 -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 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 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2013 Lines: 63 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>; + }; + }; -- 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/