summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt')
-rw-r--r--Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt b/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
new file mode 100644
index 000000000..b6ebe2bc7
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-xtensa-xtfpga.txt
@@ -0,0 +1,9 @@
+Cadence Xtensa XTFPGA platform SPI controller.
+
+This simple SPI master controller is built into xtfpga bitstreams and is used
+to control daughterboard audio codec.
+
+Required properties:
+- compatible: should be "cdns,xtfpga-spi".
+- reg: physical base address of the controller and length of memory mapped
+ region.