Add documentation for 'xlnx,zynqmp-8.9a' SDHCI controller and required
properties followed by example.
Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx>
---
Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index f6ddba3..72769e0 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -15,6 +15,7 @@ Required Properties:
- "arasan,sdhci-5.1": generic Arasan SDHCI 5.1 PHY
- "rockchip,rk3399-sdhci-5.1", "arasan,sdhci-5.1": rk3399 eMMC PHY
For this device it is strongly suggested to include arasan,soc-ctl-syscon.
+ - "xlnx,zynqmp-8.9a", "arasan,sdhci-8.9a": Xilinx ZynqMP Arasan SDHCI 8.9a PHY
- reg: From mmc bindings: Register location and length.
- clocks: From clock bindings: Handles to clock inputs.
- clock-names: From clock bindings: Tuple including "clk_xin" and "clk_ahb"
@@ -24,6 +25,9 @@ Required Properties for "arasan,sdhci-5.1":
- phys: From PHY bindings: Phandle for the Generic PHY for arasan.
- phy-names: MUST be "phy_arasan".
+Required Properties for "xlnx,zynqmp-8.9a":
+ - xlnx,device_id: SD controller device ID. Must be either <0> or <1>.
+
Optional Properties:
- arasan,soc-ctl-syscon: A phandle to a syscon device (see ../mfd/syscon.txt)
used to access core corecfg registers. Offsets of registers in this
@@ -75,3 +79,13 @@ Example:
phy-names = "phy_arasan";
#clock-cells = <0>;
};
+
+ sdhci: sdhci@ff160000 {
+ compatible = "xlnx,zynqmp-8.9a", "arasan,sdhci-8.9a";
+ reg = <0x0 0xff160000 0x0 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 48 4>;
+ clock-names = "clk_xin", "clk_ahb";
+ clocks = <&clk 54>, <&clk 31>;
+ xlnx,device_id = <0>;
+ };
--
2.1.1
