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

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Date:	Fri, 9 Aug 2013 13:37:08 -0700
From:	Josh Cartwright <joshc@...eaurora.org>
To:	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ian.campbell@...rix.com>,
	Kumar Gala <galak@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-arm-msm@...r.kernel.org,
	Sagar Dharia <sdharia@...eaurora.org>,
	Gilad Avidov <gavidov@...eaurora.org>,
	Michael Bohan <mbohan@...eaurora.org>,
	devicetree@...r.kernel.org
Subject: [PATCH RFC v2 5/5] spmi: document the PMIC arbiter SPMI bindings

Signed-off-by: Josh Cartwright <joshc@...eaurora.org>
---
 .../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@...c0000 {
+		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>;
+		};
+	};
-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation

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