[PATCH 1/4] dt-bindings: Add binding for brcm,bcm2835-sdhost.
From: Eric Anholt <hidden>
Date: 2016-02-26 23:12:44
Also in:
linux-arm-kernel, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- .../bindings/mmc/brcm,bcm2835-sdhost.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/brcm,bcm2835-sdhost.txt
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"; +};
--
2.7.0