Messages in this thread Patch in this message | | | From | Courtney Cavin <> | Subject | [PATCH 2/2] mfd: pm8x41: document device tree bindings | Date | Tue, 22 Apr 2014 17:31:50 -0700 |
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From: Josh Cartwright <joshc@codeaurora.org>
Document the bindings used to describe the Qualcomm 8x41 PMICs.
Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com> --- Documentation/devicetree/bindings/mfd/pm8x41.txt | 34 ++++++++++++++++++++++++ 1 file changed, 34 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..b865a4f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/pm8x41.txt @@ -0,0 +1,34 @@ +Qualcomm PM8841 and PM8941 PMIC multi-function device bindings + +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; + See bindings/spmi/spmi.txt +- #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 SPMI_USID>; + + #address-cells = <1>; + #size-cells = <0>; + + rtc@6000 { + compatible = "..."; + reg = <0x6000 0x6100>; + }; +}; -- 1.8.1.5
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