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-rw-r--r--doc/device-tree-bindings/i2c/i2c-cdns.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/i2c/i2c-cdns.txt b/doc/device-tree-bindings/i2c/i2c-cdns.txt
index 202e0b7626..eaff34a555 100644
--- a/doc/device-tree-bindings/i2c/i2c-cdns.txt
+++ b/doc/device-tree-bindings/i2c/i2c-cdns.txt
@@ -9,6 +9,9 @@ Required properties:
- interrupt-parent : Must be core interrupt controller
- clocks : Clock phandles (see clock bindings for details).
+Optional properties:
+- fifo-depth : To specify the FIFO depth of the controller.
+
Example:
i2c0: i2c@e0004000 {
compatible = "cdns,i2c-r1p10";
@@ -16,5 +19,6 @@ Example:
clocks = <&clkc 38>;
interrupts = <0 25 4>;
interrupt-parent = <&intc>;
+ fifo-depth = <32>;
status = "disabled";
};