Am Mittwoch, 20. Januar 2016, 09:09:03 schrieb Chris Zhong:
> Hi Heiko
>
> On 01/20/2016 03:26 AM, Heiko Stuebner wrote:
> > 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?
>
> It is not only for panel, LCDC_VDD need this supply too.
> And rk3288-evb-rk808.dts has set this regulator to always on, so I do
> the same thing in here.
ok, so we keep the regulator-always-on for now, but could probably still add
the supply to the panel as well? That way once vcc_lcd handling is complete
in the future, we don't get surprises :-)
I guess I can add that power-supply property myself when applying.
Heiko
>
> >> 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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