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arm64: dts: apple: Add touchbar digitizer nodes

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Adds device tree entries for the touchbar digitizer

Co-developed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Acked-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
Link: https://lore.kernel.org/r/20250225-z2-dts-v1-1-df101a7c17c8@gmail.com
Signed-off-by: Sven Peter <sven@svenpeter.dev>
This commit is contained in:
Sasha Finkelstein 2025-02-25 22:19:54 +01:00 committed by Sven Peter
parent 3febe9de5c
commit 44db68dee1
3 changed files with 51 additions and 1 deletions
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27
arch/arm64/boot/dts/apple/t8103-j293.dts
View File

@ -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;
};
};

23
arch/arm64/boot/dts/apple/t8112-j493.dts
View File

@ -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;
};
};

2
arch/arm64/boot/dts/apple/t8112.dtsi
View File

@ -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 {