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From: Alban Bedel <albeu@free.fr>
To: linux-mips@linux-mips.org
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Ralf Baechle <ralf@linux-mips.org>, Alban Bedel <albeu@free.fr>,
        Andrew Bresticker <abrestic@chromium.org>,
        Qais Yousef <qais.yousef@imgtec.com>, Gabor Juhos <juhosg@openwrt.org>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 07/12] devicetree: Add bindings for the ATH79 PLL controllers
Date: Fri, 24 Apr 2015 13:41:14 +0200
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Content-Length: 1837
Lines: 57

Signed-off-by: Alban Bedel <albeu@free.fr>
---
v2: * Fixed the node names to respect ePAPR
    * Fixed the missing 's' in 'fallbacks' and the 'clocks' property
v3: * Fix the compatible string for qca9550
---
 .../devicetree/bindings/clock/qca,ath79-pll.txt    | 33 ++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qca,ath79-pll.txt

diff --git a/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt b/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt
new file mode 100644
index 0000000..e0fc2c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qca,ath79-pll.txt
@@ -0,0 +1,33 @@
+Binding for Qualcomm Atheros AR7xxx/AR9XXX PLL controller
+
+The PPL controller provides the 3 main clocks of the SoC: CPU, DDR and AHB.
+
+Required Properties:
+- compatible: has to be "qca,<soctype>-cpu-intc" and one of the following
+  fallbacks:
+  - "qca,ar7100-pll"
+  - "qca,ar7240-pll"
+  - "qca,ar9130-pll"
+  - "qca,ar9330-pll"
+  - "qca,ar9340-pll"
+  - "qca,qca9550-pll"
+- reg: Base address and size of the controllers memory area
+- clock-names: Name of the input clock, has to be "ref"
+- clocks: phandle of the external reference clock
+- #clock-cells: has to be one
+
+Optional properties:
+- clock-output-names: should be "cpu", "ddr", "ahb"
+
+Example:
+
+	memory-controller@18050000 {
+		compatible = "qca,ar9132-ppl", "qca,ar9130-pll";
+		reg = <0x18050000 0x20>;
+
+		clock-names = "ref";
+		clocks = <&extosc>;
+
+		#clock-cells = <1>;
+		clock-output-names = "cpu", "ddr", "ahb";
+	};
-- 
2.0.0

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