This commit adds the binding doc for the DT that the driver expects.
Driver has been tested against Zynq US+ board.
Signed-off-by: Rohit Athavale <rohit.athavale@xxxxxxxxxx>
---
.../devicetree/bindings/xm2mvscaler.txt | 25 ++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 drivers/staging/xm2mvscale/Documentation/devicetree/bindings/xm2mvscaler.txt
diff --git a/drivers/staging/xm2mvscale/Documentation/devicetree/bindings/xm2mvscaler.txt b/drivers/staging/xm2mvscale/Documentation/devicetree/bindings/xm2mvscaler.txt
new file mode 100644
index 0000000..1f3d805
--- /dev/null
+++ b/drivers/staging/xm2mvscale/Documentation/devicetree/bindings/xm2mvscaler.txt
@@ -0,0 +1,25 @@
+Xilinx M2M Video Scaler
+-----------------------
+This document describes the DT bindings required by the
+Xilinx M2M Video Scaler driver.
+
+Required Properties:
+- compatible : Must be "xlnx,v-m2m-scaler"
+- reg : Memory map for module access
+- reset-gpios : Should contain GPIO reset phandle
+- interrupt-parent : Interrupt controller the interrupt is routed through
+- interrupts : Should contain DMA channel interrupt
+- xlnx,scaler-num-taps : The number of filter taps for scaling filter
+- xlnx,scaler-max-chan : The maximum number of supported scaling channels
+
+Examples
+---------
+ v_multi_scaler: v_multi_scaler@a0000000 {
+ compatible = "xlnx,v-m2m-scaler";
+ reg = <0x0 0xa0000000 0x0 0x10000>;
+ reset-gpios = <&gpio 78 1>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 89 4>;
+ xlnx,scaler-num-taps = <6>;
+ xlnx,scaler-max-chan = <4>;
+ };
--
1.9.1
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