Commit 44db68de authored by Sasha Finkelstein's avatar Sasha Finkelstein Committed by Sven Peter
Browse files

arm64: dts: apple: Add touchbar digitizer nodes 



Adds device tree entries for the touchbar digitizer

Co-developed-by: default avatarJanne Grunau <j@jannau.net>
Signed-off-by: default avatarJanne Grunau <j@jannau.net>
Reviewed-by: default avatarNeal Gompa <neal@gompa.dev>
Acked-by: default avatarSven Peter <sven@svenpeter.dev>
Signed-off-by: default avatarSasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250225-z2-dts-v1-1-df101a7c17c8@gmail.com


Signed-off-by: default avatarSven Peter <sven@svenpeter.dev>
parent 3febe9de

arch/arm64/boot/dts/apple/t8103-j293.dts

+27 −0
Original line number Diff line number Diff line
@@ -17,6 +17,14 @@ / { 
	compatible = "apple,j293", "apple,t8103", "apple,arm-platform";

	model = "Apple MacBook Pro (13-inch, M1, 2020)";



	/*

	 * All of those are used by the bootloader to pass calibration

	 * blobs and other device-specific properties

	 */

	aliases {

		touchbar0 = &touchbar0;

	};



	led-controller {

		compatible = "pwm-leds";

		led-0 {
@@ -49,3 +57,22 @@ &i2c4 { 
&fpwm1 {

	status = "okay";

};



&spi0 {

	cs-gpios = <&pinctrl_ap 109 GPIO_ACTIVE_LOW>;

	status = "okay";



	touchbar0: touchbar@0 {

		compatible = "apple,j293-touchbar";

		reg = <0>;

		spi-max-frequency = <11500000>;

		spi-cs-setup-delay-ns = <2000>;

		spi-cs-hold-delay-ns = <2000>;

		reset-gpios = <&pinctrl_ap 139 GPIO_ACTIVE_LOW>;

		interrupts-extended = <&pinctrl_ap 194 IRQ_TYPE_EDGE_FALLING>;

		firmware-name = "apple/dfrmtfw-j293.bin";

		touchscreen-size-x = <23045>;

		touchscreen-size-y = <640>;

		touchscreen-inverted-y;

	};

};

arch/arm64/boot/dts/apple/t8112-j493.dts

+23 −0
Original line number Diff line number Diff line
@@ -17,8 +17,13 @@ / { 
	compatible = "apple,j493", "apple,t8112", "apple,arm-platform";

	model = "Apple MacBook Pro (13-inch, M2, 2022)";



	/*

	 * All of those are used by the bootloader to pass calibration

	 * blobs and other device-specific properties

	 */

	aliases {

		bluetooth0 = &bluetooth0;

		touchbar0 = &touchbar0;

		wifi0 = &wifi0;

	};
@@ -67,3 +72,21 @@ &i2c4 { 
&fpwm1 {

	status = "okay";

};



&spi3 {

	status = "okay";



	touchbar0: touchbar@0 {

		compatible = "apple,j493-touchbar";

		reg = <0>;

		spi-max-frequency = <8000000>;

		spi-cs-setup-delay-ns = <2000>;

		spi-cs-hold-delay-ns = <2000>;

		reset-gpios = <&pinctrl_ap 170 GPIO_ACTIVE_LOW>;

		interrupts-extended = <&pinctrl_ap 174 IRQ_TYPE_EDGE_FALLING>;

		firmware-name = "apple/dfrmtfw-j493.bin";

		touchscreen-size-x = <23045>;

		touchscreen-size-y = <640>;

		touchscreen-inverted-y;

	};

};

arch/arm64/boot/dts/apple/t8112.dtsi

+1 −1
Original line number Diff line number Diff line
@@ -499,7 +499,7 @@ spi3: spi@23510c000 { 
			power-domains = <&ps_spi3>;

			#address-cells = <1>;

			#size-cells = <0>;

			status = "disabled";

			status = "disabled"; /* only used in J493 */

		};



		serial0: serial@235200000 {