| Message ID | 1456527942-3045-2-git-send-email-eric@anholt.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Feb 26, 2016 at 03:05:39PM -0800, Eric Anholt wrote: > This is the other SD controller on the platform, which can be swapped > to the role of SD card host using pin muxing. > > Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt new file mode 100644 index 0000000..f55c446 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt @@ -0,0 +1,25 @@ +Broadcom BCM2835 SDHOST controller + +This file documents differences between the core properties described +by mmc.txt and the properties that represent the BCM2835 SDHOST controller. + +Required properties: +- compatible: Must be "brcm,bcm2835-sdhost" +- clocks: The phandle for the clock feeding the SDHOST controller + +Optional properties: +- dmas: DMA channel phandles for read and write +- dma-names: DMA channel names for read and write, must be "rx" and "tx" + See Documentation/devicetree/bindings/dma/dma.txt for details + +Example: + +sdhost: sdhost@7e202000 { + compatible = "brcm,bcm2835-sdhost"; + reg = <0x7e202000 0x100>; + interrupts = <2 24>; + clocks = <&clocks BCM2835_CLOCK_VPU>; + dmas = <&dma 13>, + <&dma 13>; + dma-names = "tx", "rx"; +};
This is the other SD controller on the platform, which can be swapped to the role of SD card host using pin muxing. Signed-off-by: Eric Anholt <eric@anholt.net> --- .../bindings/mmc/brcm,bcm2835-sdhost.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt