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mvebu dt changes for v3.13 (round 4)

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- mvebu
     - core divider clock driver dt binding and nodes
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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
This commit is contained in:
Olof Johansson 2013-10-28 13:42:02 -07:00
commit 7a54698fa6
2 changed files with 36 additions and 0 deletions
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19
Documentation/devicetree/bindings/clock/mvebu-corediv-clock.txt Normal file
View File

@ -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
arch/arm/boot/dts/armada-370-xp.dtsi
View File

@ -138,6 +138,14 @@ serial@12100 {
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 {
reg = <0x20300 0x30>, <0x21040 0x30>;
interrupts = <37>, <38>, <39>, <40>, <5>, <6>;
@ -251,4 +259,13 @@ spi1: spi@10680 {
};
};
clocks {
/* 2 GHz fixed main PLL */
mainpll: mainpll {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <2000000000>;
};
};
};