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Merge tag 'dt-3.13-4' of git://git.infradead.org/linux-mvebu into next/dt

From Jason Cooper, mvebu dt changes for v3.13 (round 4):

 - mvebu
    - core divider clock driver dt binding and nodes

* tag 'dt-3.13-4' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: Add the core-divider clock to Armada 370/XP
  ARM: mvebu: Add a 2 GHz fixed-clock Armada 370/XP
  ARM: mvebu: Add Core Divider clock device-tree binding
Olof Johansson 11 年之前
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共有 2 個文件被更改,包括 36 次插入0 次删除
  1. 19 0
      Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt
  2. 17 0
      arch/arm/boot/dts/armada-370-xp.dtsi

+ 19 - 0
Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt

@@ -0,0 +1,19 @@
+* Core Divider Clock bindings for Marvell MVEBU SoCs
+
+The following is a list of provided IDs and clock names on Armada 370/XP:
+ 0 = nand (NAND clock)
+
+Required properties:
+- compatible : must be "marvell,armada-370-corediv-clock"
+- reg : must be the register address of Core Divider control register
+- #clock-cells : from common clock binding; shall be set to 1
+- clocks : must be set to the parent's phandle
+
+Example:
+
+corediv_clk: corediv-clocks@18740 {
+	compatible = "marvell,armada-370-corediv-clock";
+	reg = <0x18740 0xc>;
+	#clock-cells = <1>;
+	clocks = <&pll>;
+};

+ 17 - 0
arch/arm/boot/dts/armada-370-xp.dtsi

@@ -138,6 +138,14 @@
 				status = "disabled";
 				status = "disabled";
 			};
 			};
 
 
+			coredivclk: corediv-clock@18740 {
+				compatible = "marvell,armada-370-corediv-clock";
+				reg = <0x18740 0xc>;
+				#clock-cells = <1>;
+				clocks = <&mainpll>;
+				clock-output-names = "nand";
+			};
+
 			timer@20300 {
 			timer@20300 {
 				reg = <0x20300 0x30>, <0x21040 0x30>;
 				reg = <0x20300 0x30>, <0x21040 0x30>;
 				interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
 				interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
@@ -251,4 +259,13 @@
 
 
 		};
 		};
 	};
 	};
+
+	clocks {
+		/* 2 GHz fixed main PLL */
+		mainpll: mainpll {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <2000000000>;
+		};
+	};
  };
  };