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SubjectRe: [v1] arm64: dts: sc7180: add dsi controller and phy entries for idp dts
Hi,

On Tue, Jan 28, 2020 at 07:06:57PM +0530, Harigovindan P wrote:
> Adding dsi controller and phy entries for idp dt.
>
> Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
> ---
> arch/arm64/boot/dts/qcom/sc7180-idp.dts | 56 +++++++++++++++++++++++++++++++++
> 1 file changed, 56 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
> index 388f50a..9f42367 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 +233,50 @@
> };
> };
>
> +&dsi_controller {
> + status = "okay";
> +
> + vdda-supply = <&vreg_l3c_1p2>;
> +
> + panel@0 {
> + compatible = "visionox,rm69299-1080p-display";

This depends on the series "Add support for rm69299 Visionox panel
driver and add devicetree bindings for visionox panel"
(https://patchwork.kernel.org/cover/11320773/) which hasn't landed
IIUC. This should be mentioned after '---'.

> + reg = <0>;
> +
> + vdda-supply = <&vreg_l8c_1p8>;
> + vdd3p3-supply = <&vreg_l18a_2p8>;
> +
> + pinctrl-names = "default", "suspend";
> + pinctrl-0 = <&disp_pins_default>;
> + pinctrl-1 = <&disp_pins_default>;

Is there a point for listing a suspend configuration if it is the same
as the default?

> + 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>;

The 'dsi0_out' node is added by 'arm64: dts: sc7180: add display dt nodes'
(https://patchwork.kernel.org/patch/11354253/), which has not landed. So
either you should list it as dependency below the commit message, or
(probably better) send the two patches in the same series.

> + };
> + };
> + };
> + };
> +
> + ports {
> + port@1 {
> + endpoint {
> + remote-endpoint = <&panel0_in>;
> + data-lanes = <0 1 2 3>;
> + };
> + };
> + };
> +};
> +
> +&dsi_phy {

Also this node does not exist yet, it also depends on the patch mentioned
above.

> + status = "okay";
> +};
> +
> &qspi {
> status = "okay";
> pinctrl-names = "default";
> @@ -289,6 +334,17 @@
>
> /* PINCTRL - additions to nodes defined in sc7180.dtsi */
>
> +&pm6150l_gpio {
> + disp_pins_default: disp-pins-default{

nit: missing blank before curly brace

If there is no suspend configuration you can get rid of the 'default'
suffix.

Since this is only a single pin I would suggest to use a name that
describes the function of the pin or the name used in the schematic
instead of 'disp-pins'.

Thanks

Matthias

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