From: Felipe Balbi Date: Thu, 9 Apr 2015 15:59:27 +0000 (-0500) Subject: ARM: dts: am437x-sk: reduce col-scan-delay-us X-Git-Tag: v4.9.8~4154^2^2~15 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f6b957fdce50ddbd1899948ab109cca64e571eba;p=platform%2Fkernel%2Flinux-rpi3.git 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 Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts index fbc50f9..c17097d 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 */