[PATCH RFC v2 5/5] spmi: document the PMIC arbiter SPMI bindings

[Josh Cartwright]

Signed-off-by: Josh Cartwright <joshc@xxxxxxxxxxxxxx>
---
 .../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@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@4 {
+			reg = <0x4>;
+		};
+	};
-- 
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