[PATCH 4/4] dt-bindings: gpio: add pull-disable flag

[Nuno Sá <nuno.sa@xxxxxxxxxx>]

This extends the flags that can be used in GPIO specifiers to indicate
that no bias is intended in the pin.

Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
---
 include/dt-bindings/gpio/gpio.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h
index c029467e828b..5566e58196a2 100644
--- a/include/dt-bindings/gpio/gpio.h
+++ b/include/dt-bindings/gpio/gpio.h
@@ -39,4 +39,7 @@
 /* Bit 5 express pull down */
 #define GPIO_PULL_DOWN 32
 
+/* Bit 6 express pull disable */
+#define GPIO_PULL_DISABLE 64
+
 #endif
-- 
2.37.0