Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 000000000..d876580ae
--- /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";
+};