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Commit 18e8d812 authored by Shawn Lin's avatar Shawn Lin Committed by Ulf Hansson
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Documentation: bindings: add description of phy for sdhci-of-arasan 



This patch adds phys and phy-names for sdhci-of-arasan as required
properties for arasan,sdhci-5.1, and details the example as well.

Signed-off-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 99513624

Documentation/devicetree/bindings/mmc/arasan,sdhci.txt

+18 −2
Original line number Diff line number Diff line 
Device Tree Bindings for the Arasan SDHCI Controller



  The bindings follow the mmc[1], clock[2] and interrupt[3] bindings. Only

  deviations are documented here.

  The bindings follow the mmc[1], clock[2], interrupt[3] and phy[4] bindings.

  Only deviations are documented here.



  [1] Documentation/devicetree/bindings/mmc/mmc.txt

  [2] Documentation/devicetree/bindings/clock/clock-bindings.txt

  [3] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt

  [4] Documentation/devicetree/bindings/phy/phy-bindings.txt



Required Properties:

  - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a' or
@@ -17,6 +18,10 @@ Required Properties: 
  - interrupt-parent: Phandle for the interrupt controller that services

		      interrupts for this device.



Required Properties for "arasan,sdhci-5.1":

  - phys: From PHY bindings: Phandle for the Generic PHY for arasan.

  - phy-names:  MUST be "phy_arasan".



Example:

	sdhci@e0100000 {

		compatible = "arasan,sdhci-8.9a";
@@ -26,3 +31,14 @@ Example: 
		interrupt-parent = <&gic>;

		interrupts = <0 24 4>;

	} ;



	sdhci@e2800000 {

		compatible = "arasan,sdhci-5.1";

		reg = <0xe2800000 0x1000>;

		clock-names = "clk_xin", "clk_ahb";

		clocks = <&cru 8>, <&cru 18>;

		interrupt-parent = <&gic>;

		interrupts = <0 24 4>;

		phys = <&emmc_phy>;

		phy-names = "phy_arasan";

	} ;