From mboxrd@z Thu Jan 1 00:00:00 1970 From: joshc@codeaurora.org (Josh Cartwright) Date: Fri, 9 Aug 2013 13:37:08 -0700 Subject: [PATCH RFC v2 5/5] spmi: document the PMIC arbiter SPMI bindings In-Reply-To: References: Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Josh Cartwright --- .../bindings/spmi/qcom,spmi-pmic-arb.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt diff --git a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt new file mode 100644 index 0000000..3965236 --- /dev/null +++ b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt @@ -0,0 +1,36 @@ +Qualcomm SPMI Controller (PMIC Arbiter) + +The SPMI PMIC Arbiter is found on the Snapdragon 800 Series. It is an SPMI +controller with wrapping arbitration logic to allow for multiple on-chip +devices to control a single SPMI master. + +See spmi.txt for the generic SPMI controller bindings. + +Required properties: +- compatible : should be "qcom,spmi-pmic-arb". +- reg-names : should be "core", "intr", "cnfg" +- reg : offset and length of the PMIC Arbiter Core register map. +- reg : offset and length of the PMIC Arbiter Interrupt controller register map. +- reg : offset and length of the PMIC Arbiter Configuration register map. +- #address-cells : must be set to 1 +- #size-cells : must be set to 0 + +Child nodes: + +Zero or more child nodes must be specified as per the spmi.txt document. + +Example: + + qcom,spmi at fc4c0000 { + compatible = "qcom,spmi-pmic-arb"; + reg-names = "core", "intr", "cnfg"; + reg = <0xfc4cf000 0x1000>, + <0Xfc4cb000 0x1000>, + <0Xfc4ca000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + + qcom,pm8841 at 4 { + reg = <0x4>; + }; + }; -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation