Hi Chris,
Am Mittwoch, 6. Januar 2016, 12:03:57 schrieb Chris Zhong:
> This tv080wum-nl0 panel is a mipi panel, it can use in MIPI_TX socket
> of rk3288 evb board.
>
> Signed-off-by: Chris Zhong <zyw@xxxxxxxxxxxxxx>
[...]
> diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts
> b/arch/arm/boot/dts/rk3288-evb-act8846.dts index e662147..7d5475b 100644
> --- a/arch/arm/boot/dts/rk3288-evb-act8846.dts
> +++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts
> @@ -50,6 +50,8 @@
> gpio = <&gpio7 3 GPIO_ACTIVE_HIGH>;
> pinctrl-names = "default";
> pinctrl-0 = <&lcd_en>;
> + regulator-always-on;
> + regulator-boot-on;
Is this only needed for the panel itself and can you try to get the panel
supplies set up correctly instead in that case please?
> regulator-name = "vcc_lcd";
> vin-supply = <&vcc_io>;
> };
> diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi
> b/arch/arm/boot/dts/rk3288-evb.dtsi index 4faabdb..0c91858 100644
> --- a/arch/arm/boot/dts/rk3288-evb.dtsi
> +++ b/arch/arm/boot/dts/rk3288-evb.dtsi
> @@ -47,7 +47,7 @@
> reg = <0x0 0x80000000>;
> };
>
> - backlight {
> + backlight: backlight {
> compatible = "pwm-backlight";
> brightness-levels = <
> 0 1 2 3 4 5 6 7
> @@ -183,6 +183,16 @@
> status = "okay";
> };
>
> +&mipi_dsi {
> + status = "okay";
> + panel {
> + compatible ="boe,tv080wum-nl0";
> + reg = <0>;
> + backlight = <&backlight>;
> + status = "okay";
in the evb-schematics I see, vcc_lcd as supply for the panel.
So I'd think the panel node here should have a
power-supply = <&vcc_lcd>;
instead of having the always-on above?
Thanks
Heiko
> + };
> +};
> +
> &sdmmc {
> bus-width = <4>;
> cap-mmc-highspeed;
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