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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.txt
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@@ -3,14 +3,11 @@
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 Required properties:
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 - compatible:
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-    Must be "brcm,iproc-i2c"
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+    Must be "brcm,iproc-i2c" or "brcm,iproc-nic-i2c"
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 - reg:
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     Define the base and range of the I/O address space that contain the iProc
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     I2C controller registers
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-
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-- interrupts:
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-    Should contain the I2C interrupt
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 - clock-frequency:
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     This is the I2C bus clock. Need to be either 100000 or 400000
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@@ -21,6 +18,18 @@
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 - #size-cells:
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     Always 0
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+Optional properties:
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+
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+- interrupts:
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+    Should contain the I2C interrupt. For certain revisions of the I2C
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+    controller, I2C interrupt is unwired to the interrupt controller. In such
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+    case, this property should be left unspecified, and driver will fall back
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+    to polling mode
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+
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+- brcm,ape-hsls-addr-mask:
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+    Required for "brcm,iproc-nic-i2c". Host view of address mask into the
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+    'APE' co-processor. Value must be unsigned, 32-bit
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+
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 Example:
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 	i2c0: i2c@18008000 {
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 		compatible = "brcm,iproc-i2c";