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Subject[PATCH v4 1/4] Documentation: bindings: add description of phy for sdhci-of-arasan
Date
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>

---

Changes in v2:
- Keep phy as a mandatory requirement for arasan,sdhci-5.1

.../devicetree/bindings/mmc/arasan,sdhci.txt | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index da541c3..31b35c3 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -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";
+ } ;
--
2.3.7



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