From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Cartwright Subject: [PATCH v3 09/10] mfd: pm8x41: document device tree bindings Date: Mon, 28 Oct 2013 13:12:35 -0500 Message-ID: <88997d3863f72f8553fcaf66cf67fbf3289df04f.1382985169.git.joshc@codeaurora.org> References: Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-arm-msm@vger.kernel.org Document the bindings used to describe the Qualcomm 8x41 PMICs. Signed-off-by: Josh Cartwright --- Documentation/devicetree/bindings/mfd/pm8x41.txt | 33 ++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/pm8x41.txt diff --git a/Documentation/devicetree/bindings/mfd/pm8x41.txt b/Documentation/devicetree/bindings/mfd/pm8x41.txt new file mode 100644 index 0000000..6afd4ce --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/pm8x41.txt @@ -0,0 +1,33 @@ +Qualcomm PM8841 and PM8941 PMIC multi-function devices + +The PM8x41 PMICs are used with the Qualcomm Snapdragon 800 series SoCs, and are +interfaced to the chip via the SPMI (System Power Management Interface) bus. +Support for multiple independent functions are implemented by splitting the +16-bit SPMI slave address space into 256 smaller fixed-size regions, 256 bytes +each. A function can consume one or more of these fixed-size register regions. + +Required properties: +- compatible: Must be one of: + "qcom,pm8841" + "qcom,pm8941" +- reg: Specifies the SPMI USID slave address for this device +- #address-cells = <1> +- #size-cells = <0> + +Each child node represents a function of the PM8x41. Each child 'reg' entry +describes an offset within the USID slave address where the region starts. + +Example: + +pm8941@0 { + compatible = "qcom,pm8941"; + reg = <0x0>; + + #address-cells = <1>; + #size-cells = <0>; + + rtc { + compatible = "qcom,pm8941-rtc"; + reg = <0x6000 0x6100>; + }; +} -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation