ARM: dts: am437x-sk: reduce col-scan-delay-us

The new AM437x SK Beta boards have removed the
large capacitors on the gpio-matrix column lines
which means we can reduce col-scan-delay-us to 5us
without loosing functionality.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index fbc50f92e6229b30540fb5ef539940511acd4cd9..c17097d2c167d4718f76200f51e599d6605d144e 100644 (file)
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -49,7 +49,7 @@
                pinctrl-0 = <&matrix_keypad_pins>;
 
                debounce-delay-ms = <5>;
-               col-scan-delay-us = <1500>;
+               col-scan-delay-us = <5>;
 
                row-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH          /* Bank5, pin5 */
                                &gpio5 6 GPIO_ACTIVE_HIGH>;     /* Bank5, pin6 */