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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt')
-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt4
1 files changed, 1 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt b/Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt
index f3332b9a8ed4..c934106b10aa 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-mcp23s08.txt
@@ -10,6 +10,7 @@ Required properties:
- "microchip,mcp23s08" for 8 GPIO SPI version
- "microchip,mcp23s17" for 16 GPIO SPI version
+ - "microchip,mcp23s18" for 16 GPIO SPI version
- "microchip,mcp23008" for 8 GPIO I2C version or
- "microchip,mcp23017" for 16 GPIO I2C version of the chip
NOTE: Do not use the old mcp prefix any more. It is deprecated and will be
@@ -43,9 +44,6 @@ Optional properties:
- first cell is the pin number
- second cell is used to specify flags.
- interrupt-controller: Marks the device node as a interrupt controller.
-NOTE: The interrupt functionality is only supported for i2c versions of the
-chips. The spi chips can also do the interrupts, but this is not supported by
-the linux driver yet.
Optional device specific properties:
- microchip,irq-mirror: Sets the mirror flag in the IOCON register. Devices