Re: [linux-sunxi] [PATCH v8 4/4] arm64: dts: allwinner: orange-pi-3: Enable HDMI output

Ondřej Jirman
2019-08-09T09:04:43Z

On Fri, Aug 09, 2019 at 10:25:32AM +0200, Code Kipper wrote:
> On Tue, 6 Aug 2019 at 17:57, <megous@megous.com> wrote:
> >
> > From: Ondrej Jirman <megous@megous.com>
> >
> > Orange Pi 3 has a DDC_CEC_EN signal connected to PH2, that enables the DDC
> > I2C bus voltage shifter. Before EDID can be read, we need to pull PH2 high.
> > This is realized by the ddc-en-gpios property.
> Great work. Is there any chance you can move this to the
> arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi?, as all the H6
> based orange-pi's have this feature.

I plan to do that as a followup patch, once this is merged.

regards,
o.

> BR,
> CK
> >
> > Signed-off-by: Ondrej Jirman <megous@megous.com>
> > ---
> > .../dts/allwinner/sun50i-h6-orangepi-3.dts | 26 +++++++++++++++++++
> > 1 file changed, 26 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> > index 2c6807b74ff6..01bb1bafe284 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> > @@ -22,6 +22,18 @@
> > stdout-path = "serial0:115200n8";
> > };
> >
> > + connector {
> > + compatible = "hdmi-connector";
> > + ddc-en-gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
> > + type = "a";
> > +
> > + port {
> > + hdmi_con_in: endpoint {
> > + remote-endpoint = <&hdmi_out_con>;
> > + };
> > + };
> > + };
> > +
> > leds {
> > compatible = "gpio-leds";
> >
> > @@ -72,6 +84,10 @@
> > cpu-supply = <&reg_dcdca>;
> > };
> >
> > +&de {
> > + status = "okay";
> > +};
> > +
> > &ehci0 {
> > status = "okay";
> > };
> > @@ -91,6 +107,16 @@
> > status = "okay";
> > };
> >
> > +&hdmi {
> > + status = "okay";
> > +};
> > +
> > +&hdmi_out {
> > + hdmi_out_con: endpoint {
> > + remote-endpoint = <&hdmi_con_in>;
> > + };
> > +};
> > +
> > &mdio {
> > ext_rgmii_phy: ethernet-phy@1 {
> > compatible = "ethernet-phy-ieee802.3-c22";
> > --
> > 2.22.0
> >
> > --
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