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-rw-r--r--Documentation/devicetree/bindings/spi/sh-hspi.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/sh-hspi.txt b/Documentation/devicetree/bindings/spi/sh-hspi.txt
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index 000000000000..30b57b1c8a13
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+++ b/Documentation/devicetree/bindings/spi/sh-hspi.txt
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+Renesas HSPI.
+
+Required properties:
+- compatible : "renesas,hspi"
+- reg : Offset and length of the register set for the device
+- interrupts : interrupt line used by HSPI
+