[PATCH v8 2/2] dt-bindings: Add Truly NT35597 panel driver bindings

[Sean Paul]

On Thu, Sep 20, 2018 at 03:52:37PM -0700, Abhinav Kumar wrote:
> From: "abhinavk at codeaurora.org" <abhinavk at codeaurora.org>

JFYI, this is going to munge your Author name. This can be fixed up when the
patch is applied, so probably not worth a v9.

Reviewed-by: Sean Paul <seanpaul at chromium.org>


> 
> Add the device tree bindings for Truly NT35597 panel driver.
> This panel driver supports both single DSI and dual DSI.
> 
> However, this patch series supports only dual DSI.
> 
> Changes in v8:
>   - None
> 
> Signed-off-by: Abhinav Kumar <abhinavk at codeaurora.org>
> ---
>  .../devicetree/bindings/display/truly,nt35597.txt  | 60 ++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/truly,nt35597.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/truly,nt35597.txt b/Documentation/devicetree/bindings/display/truly,nt35597.txt
> new file mode 100644
> index 0000000..46b29eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/truly,nt35597.txt
> @@ -0,0 +1,60 @@
> +Truly model NT35597 DSI display driver
> +
> +The Truly NT35597 is a generic display driver, currently only configured
> +for use in the 2K display on the Qualcomm SDM845.
> +
> +Required properties:
> +- compatible: should be "truly,nt35597-2K-display"
> +- vdda-supply: phandle of the regulator that provides the supply voltage
> +  Power IC supply
> +- vdispp-supply: phandle of the regulator that provides the supply voltage
> +  for positive LCD bias
> +- vdispn-supply: phandle of the regulator that provides the supply voltage
> +  for negative LCD bias
> +- reset-gpios: phandle of gpio for reset line
> +  This should be 8mA, gpio can be configured using mux, pinctrl, pinctrl-names
> +  (active low)
> +- mode-gpios: phandle of the gpio for choosing the mode of the display
> +  for single DSI or Dual DSI
> +  (active high)
> +  This should be low for dual DSI and high for single DSI mode
> +- ports: This device has two video ports driven by two DSIs. Their connections
> +  are modelled using the OF graph bindings specified in
> +  Documentation/devicetree/bindings/graph.txt.
> +  - port at 0: DSI input port driven by master DSI
> +  - port at 1: DSI input port driven by secondary DSI
> +
> +Example:
> +
> +	dsi at ae94000 {
> +		panel at 0 {
> +			compatible = "truly,nt35597-2K-display";
> +			reg = <0>;
> +			vdda-supply = <&pm8998_l14>;
> +			vdispp-supply = <&lab_regulator>;
> +			vdispn-supply = <&ibb_regulator>;
> +			pinctrl-names = "default", "suspend";
> +			pinctrl-0 = <&dpu_dsi_active>;
> +			pinctrl-1 = <&dpu_dsi_suspend>;
> +
> +			reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
> +			mode-gpios = <&tlmm 52 GPIO_ACTIVE_HIGH>;
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				port at 0 {
> +					reg = <0>;
> +					panel0_in: endpoint {
> +						remote-endpoint = <&dsi0_out>;
> +					};
> +				};
> +
> +				port at 1 {
> +					reg = <1>;
> +					panel1_in: endpoint {
> +						remote-endpoint = <&dsi1_out>;
> +					};
> +				};
> +			};
> +		};
> +	};
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS