Add a gpio-delay for LVDS_BRIDGE_EN_1V8 which ramp-up time is defined by the external RC filter. Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> --- Changes since RFC v2: * Removed 'input' prefix * Removed 'gpio-line-names' for GPIO controller node arch/arm64/boot/dts/freescale/mba8mx.dtsi | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi index 691e91e84dec..3bae1c8fb8ed 100644 --- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi +++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi @@ -75,6 +75,14 @@ led2: led2 { }; }; + gpio_delays: gpio-delays { + compatible = "gpio-delay"; + #gpio-cells = <3>; + gpio-controller; + gpios = <&expander0 6 GPIO_ACTIVE_HIGH>; + gpio-line-names = "LVDS_BRIDGE_EN_1V8"; + }; + panel0: panel_lvds0 { /* * Display is not fixed, so compatible has to be added from @@ -269,7 +277,7 @@ &i2c3 { dsi_lvds_bridge: bridge@2d { compatible = "ti,sn65dsi83"; reg = <0x2d>; - enable-gpios = <&expander0 6 GPIO_ACTIVE_HIGH>; + enable-gpios = <&gpio_delays 0 130000 0>; vcc-supply = <®_sn65dsi83_1v8>; status = "disabled"; -- 2.34.1