Document the bindings used to describe the Qualcomm 8x41 PMICs. Signed-off-by: Josh Cartwright <joshc@xxxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html