diff options
| author | Eric Anholt <eric@anholt.net> | 2017-03-08 12:19:01 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 22:41:24 +0300 |
| commit | ebdb4d8e0d2577bd8e1d0d54e1c2e9445bdc90e6 (patch) | |
| tree | 58408d2b484ed35a053f28d1a83fc3307e7d377a /Documentation/devicetree | |
| parent | 8e11b284eaa86863f700216e4d3c87e7d7b3f44c (diff) | |
| download | linux-ebdb4d8e0d2577bd8e1d0d54e1c2e9445bdc90e6.tar.xz | |
dt-bindings: Add binding for brcm,bcm2835-sdhost.
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>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt | 23 |
1 files changed, 23 insertions, 0 deletions
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 000000000000..d876580ae3b8 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt @@ -0,0 +1,23 @@ +Broadcom BCM2835 SDHOST controller + +This file documents differences between the core properties described +by mmc.txt and the properties that represent the BCM2835 controller. + +Required properties: +- compatible: Should be "brcm,bcm2835-sdhost". +- clocks: The clock feeding the SDHOST controller. + +Optional properties: +- dmas: DMA channel for read and write. + See Documentation/devicetree/bindings/dma/dma.txt for details + +Example: + +sdhost: mmc@7e202000 { + compatible = "brcm,bcm2835-sdhost"; + reg = <0x7e202000 0x100>; + interrupts = <2 24>; + clocks = <&clocks BCM2835_CLOCK_VPU>; + dmas = <&dma 13>; + dma-names = "rx-tx"; +}; |