| Message ID | 1357883330-5364-11-git-send-email-mporter@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
* Matt Porter <mporter@ti.com> [130110 21:47]: > The binding definition is based on the generic DMA request binding. Acked-by: Tony Lindgren <tony@atomide.com> > Signed-off-by: Matt Porter <mporter@ti.com> > --- > .../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 25 +++++++++++++++++++- > 1 file changed, 24 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt > index ed271fc..826cc51 100644 > --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt > +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt > @@ -20,8 +20,28 @@ ti,dual-volt: boolean, supports dual voltage cards > ti,non-removable: non-removable slot (like eMMC) > ti,needs-special-reset: Requires a special softreset sequence > ti,needs-special-hs-handling: HSMMC IP needs special setting for handling High Speed > +dmas: DMA controller phandle and DMA request value ordered pair > +One tx and one rx pair is required. > +dma-names: DMA request names. These strings correspond 1:1 with > +the ordered pairs in dmas. The RX request must be "rx" and the > +TX request must be "tx". > + > +Examples: > + > +[hwmod populated DMA resources] > + > + mmc1: mmc@0x4809c000 { > + compatible = "ti,omap4-hsmmc"; > + reg = <0x4809c000 0x400>; > + ti,hwmods = "mmc1"; > + ti,dual-volt; > + bus-width = <4>; > + vmmc-supply = <&vmmc>; /* phandle to regulator node */ > + ti,non-removable; > + }; > + > +[generic DMA request binding] > > -Example: > mmc1: mmc@0x4809c000 { > compatible = "ti,omap4-hsmmc"; > reg = <0x4809c000 0x400>; > @@ -30,4 +50,7 @@ Example: > bus-width = <4>; > vmmc-supply = <&vmmc>; /* phandle to regulator node */ > ti,non-removable; > + dmas = <&edma 24 > + &edma 25>; > + dma-names = "tx", "rx"; > }; > -- > 1.7.9.5 >
diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt index ed271fc..826cc51 100644 --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt @@ -20,8 +20,28 @@ ti,dual-volt: boolean, supports dual voltage cards ti,non-removable: non-removable slot (like eMMC) ti,needs-special-reset: Requires a special softreset sequence ti,needs-special-hs-handling: HSMMC IP needs special setting for handling High Speed +dmas: DMA controller phandle and DMA request value ordered pair +One tx and one rx pair is required. +dma-names: DMA request names. These strings correspond 1:1 with +the ordered pairs in dmas. The RX request must be "rx" and the +TX request must be "tx". + +Examples: + +[hwmod populated DMA resources] + + mmc1: mmc@0x4809c000 { + compatible = "ti,omap4-hsmmc"; + reg = <0x4809c000 0x400>; + ti,hwmods = "mmc1"; + ti,dual-volt; + bus-width = <4>; + vmmc-supply = <&vmmc>; /* phandle to regulator node */ + ti,non-removable; + }; + +[generic DMA request binding] -Example: mmc1: mmc@0x4809c000 { compatible = "ti,omap4-hsmmc"; reg = <0x4809c000 0x400>; @@ -30,4 +50,7 @@ Example: bus-width = <4>; vmmc-supply = <&vmmc>; /* phandle to regulator node */ ti,non-removable; + dmas = <&edma 24 + &edma 25>; + dma-names = "tx", "rx"; };
The binding definition is based on the generic DMA request binding. Signed-off-by: Matt Porter <mporter@ti.com> --- .../devicetree/bindings/mmc/ti-omap-hsmmc.txt | 25 +++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-)