@@ -75,6 +75,12 @@ Optional properties:
* 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.
+* dmas: List of DMA specifiers with the controller specific format as described
+ in the generic DMA client binding. Refer to dma.txt for details.
+
+* dma-names: request names for generic DMA client binding. Must be "rx-tx".
+ Refer to dma.txt for details.
+
Aliases:
- All the MSHC controller nodes should be represented in the aliases node using
@@ -95,6 +101,23 @@ board specific portions as listed below.
#size-cells = <0>;
};
+[board specific internal DMA resources]
+
+ dwmmc0@12200000 {
+ clock-frequency = <400000000>;
+ clock-freq-min-max = <400000 200000000>;
+ num-slots = <1>;
+ broken-cd;
+ fifo-depth = <0x80>;
+ card-detect-delay = <200>;
+ vmmc-supply = <&buck8>;
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ };
+
+[board specific generic DMA request binding]
+
dwmmc0@12200000 {
clock-frequency = <400000000>;
clock-freq-min-max = <400000 200000000>;
@@ -106,4 +129,6 @@ board specific portions as listed below.
bus-width = <8>;
cap-mmc-highspeed;
cap-sd-highspeed;
+ dmas = <&pdma 12>;
+ dma-names = "rx-tx";
};
synopsys-dw-mshc supports three types of transfer mode. We add bindings and description for how to use them at runtime. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> --- Changes in v4: None Changes in v3: None Changes in v2: None .../devicetree/bindings/mmc/synopsys-dw-mshc.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+)