Re: [v2] arm64: dts: sc7180: add dsi controller and phy entries for idp dts

From: Matthias Kaehlcke
Date: Wed May 06 2020 - 15:25:51 EST


On Fri, Feb 14, 2020 at 10:49:37AM -0800, Matthias Kaehlcke wrote:
> On Tue, Feb 11, 2020 at 05:07:35PM +0530, Harigovindan P wrote:
>
> > subject: arm64: dts: sc7180: add dsi controller and phy entries for idp dts
>
> nit: 'dts' at the end is redundant, the prefixes make it clear that this
> is about DT entries.
>
> Also the message isn't really concise. The main entries for the DSI
> controller and the PHY are in sc7180.dtsi. I would suggest to drop
> any mentions of DSI controller and PHYs, and just say something like
> 'Add nodes for IDP display'. In the body you could mention that the
> display is the Visionox RM69299.
>
> > Adding dsi controller and phy entries for idp dt.
> >
> > Signed-off-by: Harigovindan P <harigovi@xxxxxxxxxxxxxx>
> > ---
> >
> > Changes in v1:
> > - Added dsi controller and dsi phy entries for idp dts
>
> Changes in v1 is pointless, it's the first patch
>
> > Changes in v2:
> > - Adding dependency patchwork series
> > - Removing suspend configuration
> > - Adding blank before curly brace
> >
> > This patch depends on following patchwork series:
> >
> > https://patchwork.kernel.org/patch/11364687/
> > https://patchwork.kernel.org/patch/11366303/
> >
> > arch/arm64/boot/dts/qcom/sc7180-idp.dts | 55 +++++++++++++++++++++++++
> > 1 file changed, 55 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > index 388f50ad4fde..6ccf8c3603ab 100644
> > --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> > @@ -7,6 +7,7 @@
> >
> > /dts-v1/;
> >
> > +#include <dt-bindings/gpio/gpio.h>
> > #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> > #include "sc7180.dtsi"
> > #include "pm6150.dtsi"
> > @@ -232,6 +233,49 @@ vreg_bob: bob {
> > };
> > };
> >
> > +&dsi0 {
> > + status = "okay";
> > +
> > + vdda-supply = <&vreg_l3c_1p2>;
> > +
> > + panel@0 {
> > + compatible = "visionox,rm69299-1080p-display";
> > + reg = <0>;
> > +
> > + vdda-supply = <&vreg_l8c_1p8>;
> > + vdd3p3-supply = <&vreg_l18a_2p8>;
> > +
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&disp_pins>;
> > +
> > + reset-gpios = <&pm6150l_gpio 3 GPIO_ACTIVE_HIGH>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + port@0 {
> > + reg = <0>;
> > + panel0_in: endpoint {
> > + remote-endpoint = <&dsi0_out>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + ports {
> > + port@1 {
> > + endpoint {
> > + remote-endpoint = <&panel0_in>;
> > + data-lanes = <0 1 2 3>;
> > + };
> > + };
> > + };
> > +};
> > +
> > +&dsi_phy {
> > + status = "okay";
> > +};
> > +
> > &qspi {
> > status = "okay";
> > pinctrl-names = "default";
> > @@ -289,6 +333,17 @@ &usb_1_qmpphy {
> >
> > /* PINCTRL - additions to nodes defined in sc7180.dtsi */
> >
> > +&pm6150l_gpio {
> > + disp_pins: disp-pins {
> > + pins = "gpio3";
> > + function = "func1";
> > + qcom,drive-strength = <2>;
> > + power-source = <0>;
> > + bias-disable;
> > + output-low;
> > + };
> > +};
> > +
> > &qspi_clk {
> > pinconf {
> > pins = "gpio63";
>
> To get the display actually to work you also need this:
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> index 88919da1510b03..fdbcb56dfa81f9 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> @@ -276,6 +276,14 @@
> status = "okay";
> };
>
> +&mdp {
> + status = "okay";
> +};
> +
> +&mdss {
> + status = "okay";
> +};
> +
> &qspi {
> status = "okay";
> pinctrl-names = "default";
>
> Maybe just add this to this patch?

ping

the display driver landed in drm-misc, but this patch still needs a
respin.