From 41fd4581940efddda0d3d9b886d8ca2bfcfb522f Mon Sep 17 00:00:00 2001 From: Nickey Yang Date: Tue, 12 May 2020 11:37:37 +0800 Subject: [PATCH] ARM: dts: rv11xx-evb-v10: adjust panel power on sequence for ili9881d panel According to spec The minimum time for VDDI/VSP on to reset high is 5ms, The minimum time for reset to first command is 10ms. So adjust them to save panel init time. Signed-off-by: Nickey Yang Change-Id: Ic6c4240c1d3657d05192a5f13eb4eb469e932191 --- arch/arm/boot/dts/rv11xx-evb-v10.dtsi | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/arch/arm/boot/dts/rv11xx-evb-v10.dtsi b/arch/arm/boot/dts/rv11xx-evb-v10.dtsi index 6a12ba49fd01..d5a0bf182d5b 100644 --- a/arch/arm/boot/dts/rv11xx-evb-v10.dtsi +++ b/arch/arm/boot/dts/rv11xx-evb-v10.dtsi @@ -219,12 +219,11 @@ reg = <0>; backlight = <&backlight>; power-supply = <&vcc18_lcd_n>; - prepare-delay-ms = <2>; + prepare-delay-ms = <5>; reset-delay-ms = <1>; - init-delay-ms = <20>; - enable-delay-ms = <120>; - disable-delay-ms = <50>; - unprepare-delay-ms = <20>; + init-delay-ms = <10>; + disable-delay-ms = <10>; + unprepare-delay-ms = <5>; width-mm = <68>; height-mm = <121>; @@ -428,8 +427,8 @@ 15 00 02 d2 32 15 00 02 d3 00 39 00 04 ff 98 81 00 - 05 78 01 11 - 05 14 01 29 + 05 00 01 11 + 05 01 01 29 ]; display-timings {