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Documentation: bindings: add description of phy for sdhci-of-arasan

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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: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Shawn Lin 2016-03-07 23:38:42 +08:00 committed by Ulf Hansson
parent 9951362479
commit 18e8d812dd
1 changed files with 18 additions and 2 deletions
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20
Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
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@ -1,11 +1,12 @@
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";
} ;