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Commit 87ffa7d3 authored by Shawn Lin's avatar Shawn Lin Committed by Ulf Hansson
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Documentation: synopsys-dw-mshc: add bindings for idmac and edmac 



synopsys-dw-mshc supports three types of transfer mode. We add
bindings and description for how to use them at runtime.

Signed-off-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: default avatarJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 70692752

Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt

+25 −0
Original line number Diff line number Diff line
@@ -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";

	};