arm64: dts: apple: Add touchbar screen nodes

Adds device tree entries for the touchbar screen

Co-developed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Nick Chan <towinchenmi@gmail.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250217-adpdrm-v7-4-ca2e44b3c7d8@gmail.com
Signed-off-by: Sven Peter <sven@svenpeter.dev>

4 files changed, 184 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts
index 0a93d3891c23..2dfe7b895b2b 100644
--- a/arch/arm64/boot/dts/apple/t8103-j293.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j293.dts
@@ -76,3 +76,34 @@
 		touchscreen-inverted-y;
 	};
 };
+
+&display_dfr {
+	status = "okay";
+};
+
+&dfr_mipi_out {
+	dfr_mipi_out_panel: endpoint@0 {
+		reg = <0>;
+		remote-endpoint = <&dfr_panel_in>;
+	};
+};
+
+&displaydfr_mipi {
+	status = "okay";
+
+	dfr_panel: panel@0 {
+		compatible = "apple,j293-summit", "apple,summit";
+		reg = <0>;
+		max-brightness = <255>;
+
+		port {
+			dfr_panel_in: endpoint {
+				remote-endpoint = <&dfr_mipi_out_panel>;
+			};
+		};
+	};
+};
+
+&displaydfr_dart {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index c9b789a2ff7e..97b6a067394e 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -370,6 +370,67 @@
 			#performance-domain-cells = <0>;
 		};
 
+		display_dfr: display-pipe@228200000 {
+			compatible = "apple,t8103-display-pipe", "apple,h7-display-pipe";
+			reg = <0x2 0x28200000 0x0 0xc000>,
+			      <0x2 0x28400000 0x0 0x4000>;
+			reg-names = "be", "fe";
+			power-domains = <&ps_dispdfr_fe>, <&ps_dispdfr_be>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 502 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 506 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "be", "fe";
+			iommus = <&displaydfr_dart 0>;
+			status = "disabled";
+
+			port {
+				dfr_adp_out_mipi: endpoint {
+					remote-endpoint = <&dfr_mipi_in_adp>;
+				};
+			};
+		};
+
+		displaydfr_dart: iommu@228304000 {
+			compatible = "apple,t8103-dart";
+			reg = <0x2 0x28304000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 504 IRQ_TYPE_LEVEL_HIGH>;
+			#iommu-cells = <1>;
+			power-domains = <&ps_dispdfr_fe>;
+			status = "disabled";
+		};
+
+		displaydfr_mipi: dsi@228600000 {
+			compatible = "apple,t8103-display-pipe-mipi", "apple,h7-display-pipe-mipi";
+			reg = <0x2 0x28600000 0x0 0x100000>;
+			power-domains = <&ps_mipi_dsi>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				dfr_mipi_in: port@0 {
+					reg = <0>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					dfr_mipi_in_adp: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&dfr_adp_out_mipi>;
+					};
+				};
+
+				dfr_mipi_out: port@1 {
+					reg = <1>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+				};
+			};
+		};
+
 		sio_dart: iommu@235004000 {
 			compatible = "apple,t8103-dart";
 			reg = <0x2 0x35004000 0x0 0x4000>;
diff --git a/arch/arm64/boot/dts/apple/t8112-j493.dts b/arch/arm64/boot/dts/apple/t8112-j493.dts
index 045bd0716cb7..3d73f9ee2f46 100644
--- a/arch/arm64/boot/dts/apple/t8112-j493.dts
+++ b/arch/arm64/boot/dts/apple/t8112-j493.dts
@@ -40,6 +40,37 @@
 	};
 };
 
+&display_dfr {
+	status = "okay";
+};
+
+&dfr_mipi_out {
+	dfr_mipi_out_panel: endpoint@0 {
+		reg = <0>;
+		remote-endpoint = <&dfr_panel_in>;
+	};
+};
+
+&displaydfr_mipi {
+	status = "okay";
+
+	dfr_panel: panel@0 {
+		compatible = "apple,j493-summit", "apple,summit";
+		reg = <0>;
+		max-brightness = <255>;
+
+		port {
+			dfr_panel_in: endpoint {
+				remote-endpoint = <&dfr_mipi_out_panel>;
+			};
+		};
+	};
+};
+
+&displaydfr_dart {
+	status = "okay";
+};
+
 /*
  * Force the bus number assignments so that we can declare some of the
  * on-board devices and properties that are populated by the bootloader
diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index 271986a7697f..d9b966d68e4f 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -386,6 +386,67 @@
 			#performance-domain-cells = <0>;
 		};
 
+		display_dfr: display-pipe@228200000 {
+			compatible = "apple,t8112-display-pipe", "apple,h7-display-pipe";
+			reg = <0x2 0x28200000 0x0 0xc000>,
+			      <0x2 0x28400000 0x0 0x4000>;
+			reg-names = "be", "fe";
+			power-domains = <&ps_dispdfr_fe>, <&ps_dispdfr_be>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 614 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 618 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "be", "fe";
+			iommus = <&displaydfr_dart 0>;
+			status = "disabled";
+
+			port {
+				dfr_adp_out_mipi: endpoint {
+					remote-endpoint = <&dfr_mipi_in_adp>;
+				};
+			};
+		};
+
+		displaydfr_dart: iommu@228304000 {
+			compatible = "apple,t8110-dart";
+			reg = <0x2 0x28304000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 616 IRQ_TYPE_LEVEL_HIGH>;
+			#iommu-cells = <1>;
+			power-domains = <&ps_dispdfr_fe>;
+			status = "disabled";
+		};
+
+		displaydfr_mipi: dsi@228600000 {
+			compatible = "apple,t8112-display-pipe-mipi", "apple,h7-display-pipe-mipi";
+			reg = <0x2 0x28600000 0x0 0x100000>;
+			power-domains = <&ps_mipi_dsi>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				dfr_mipi_in: port@0 {
+					reg = <0>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					dfr_mipi_in_adp: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&dfr_adp_out_mipi>;
+					};
+				};
+
+				dfr_mipi_out: port@1 {
+					reg = <1>;
+					#address-cells = <1>;
+					#size-cells = <0>;
+				};
+			};
+		};
+
 		sio_dart: iommu@235004000 {
 			compatible = "apple,t8110-dart";
 			reg = <0x2 0x35004000 0x0 0x4000>;