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[2/2] arm: boot: dts: am437x-sk: reduce col-scan-delay-us

Message ID 1428595167-10050-2-git-send-email-balbi@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Felipe Balbi April 9, 2015, 3:59 p.m. UTC 
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>
---
 arch/arm/boot/dts/am437x-sk-evm.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index 58dc1cd58bdd..37ce7b1bf07f 100644
--- 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 */