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-rw-r--r--Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt15
1 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index 7fd17c3da116..9cb55ca57461 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
@@ -16,7 +16,7 @@ Required Properties:
each child-node representing a supported slot. There should be atleast one
child node representing a card slot. The name of the child node representing
the slot is recommended to be slot@n where n is the unique number of the slot
- connnected to the controller. The following are optional properties which
+ connected to the controller. The following are optional properties which
can be included in the slot child node.
* reg: specifies the physical slot number. The valid values of this
@@ -75,6 +75,17 @@ Optional properties:
* card-detect-delay: Delay in milli-seconds before detecting card after card
insert event. The default value is 0.
+* data-addr: Override fifo address with value provided by DT. The default FIFO reg
+ offset is assumed as 0x100 (version < 0x240A) and 0x200(version >= 0x240A) by
+ driver. If the controller does not follow this rule, please use this property
+ to set fifo address in device tree.
+
+* fifo-watermark-aligned: Data done irq is expected if data length is less than
+ watermark in PIO mode. But fifo watermark is requested to be aligned with data
+ length in some SoC so that TX/RX irq can be generated with data done irq. Add this
+ watermark quirk to mark this requirement and force fifo watermark setting
+ accordingly.
+
* vmmc-supply: The phandle to the regulator to use for vmmc. If this is
specified we'll defer probe until we can find this regulator.
@@ -102,6 +113,8 @@ board specific portions as listed below.
interrupts = <0 75 0>;
#address-cells = <1>;
#size-cells = <0>;
+ data-addr = <0x200>;
+ fifo-watermark-aligned;
resets = <&rst 20>;
reset-names = "reset";
};