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| author |   Shawn Lin <shawn.lin@rock-chips.com> | 2015-09-16 14:41:50 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2015-10-26 16:00:16 +0100 |
| commit | 87ffa7d30d0be24f4bcf08005f145903c5ef55b7 (patch) | |
| tree | 49e35b87216c2bb1d154ae36eaae33910a2472f0 /Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | |
| parent | mmc: dw_mmc: use macro for HCON register operations (diff) | |
| download | linux-dev-87ffa7d30d0be24f4bcf08005f145903c5ef55b7.tar.xz linux-dev-87ffa7d30d0be24f4bcf08005f145903c5ef55b7.zip | |
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: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index 346c6095a615..8636f5ae97e5 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -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"; }; |