From: Eric Anholt <eric@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
.../bindings/mmc/brcm,bcm2835-sdhost.txt | 23 ++++++++++++++++++++++
1 file changed, 23 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..d876580
--- /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";
+};
--
1.8.3.1
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