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arm64: dts: rockchip: Specify override mode for kevin panel 

This patch adds an override mode for kevin devices. The mode increases
both back porches to allow a pixel clock of 26666kHz as opposed to the
'typical' value of 252750kHz. This is needed to avoid interference with
the touch digitizer on these laptops.

Cc: Doug Anderson <dianders@chromium.org>
Cc: Eric Anholt <eric@anholt.net>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Jeffy Chen <jeffy.chen@rock-chips.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Stéphane Marchesin <marcheu@chromium.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: devicetree@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-rockchip@lists.infradead.org
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Sean Paul 2019-04-01 10:17:20 -07:00 committed by Heiko Stuebner
parent 5f9e832c13
commit 84ebd2da6d
1 changed files with 14 additions and 0 deletions
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14
arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts
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@ -43,6 +43,20 @@
backlight = <&backlight>;
power-supply = <&pp3300_disp>;
panel-timing {
clock-frequency = <266604720>;
hactive = <2400>;
hfront-porch = <48>;
hback-porch = <84>;
hsync-len = <32>;
hsync-active = <0>;
vactive = <1600>;
vfront-porch = <3>;
vback-porch = <120>;
vsync-len = <10>;
vsync-active = <0>;
};
port {
panel_in_edp: endpoint {
remote-endpoint = <&edp_out_panel>;