diff mbox series

arm64: dts: apple: Add touchbar digitizer nodes

Message ID 20250225-z2-dts-v1-1-df101a7c17c8@gmail.com (mailing list archive)
State New
Headers show
Series arm64: dts: apple: Add touchbar digitizer nodes | expand

Commit Message

Sasha Finkelstein via B4 Relay Feb. 25, 2025, 9:19 p.m. UTC 
From: Sasha Finkelstein <fnkl.kernel@gmail.com>

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>
---
 arch/arm64/boot/dts/apple/t8103-j293.dts | 27 +++++++++++++++++++++++++++
 arch/arm64/boot/dts/apple/t8112-j493.dts | 23 +++++++++++++++++++++++
 arch/arm64/boot/dts/apple/t8112.dtsi     |  2 +-
 3 files changed, 51 insertions(+), 1 deletion(-)


---
base-commit: 3febe9de5ca5267618675650871a626d0901f8cb
change-id: 20250225-z2-dts-ea4213de4a22

Comments

Sven Peter Feb. 26, 2025, 3:37 p.m. UTC | #1 
On Tue, 25 Feb 2025 22:19:54 +0100, Sasha Finkelstein wrote:
> Adds device tree entries for the touchbar digitizer
> 
> 

Applied, thanks!

[1/1] arm64: dts: apple: Add touchbar digitizer nodes
      commit: 44db68dee1f77260d7037319e911e9883a6ffe0e

Best regards,
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts
index 56b0c67bfcda321b60c621de092643017693ff91..0a93d3891c23da8b8c77dce64001caacb69ee140 100644
--- a/arch/arm64/boot/dts/apple/t8103-j293.dts
+++ b/arch/arm64/boot/dts/apple/t8103-j293.dts
@@ -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;
+	};
+};
diff --git a/arch/arm64/boot/dts/apple/t8112-j493.dts b/arch/arm64/boot/dts/apple/t8112-j493.dts
index 0ad908349f55406783942735a2e9dad54cda00ec..045bd0716cb7d20c1379ebc1e3ff7f4d0dddc179 100644
--- a/arch/arm64/boot/dts/apple/t8112-j493.dts
+++ b/arch/arm64/boot/dts/apple/t8112-j493.dts
@@ -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;
+	};
+};
diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index 58d88f1ef92a32061765bd3b569fdae0255dcd7e..271986a7697f7033e96d11fb4ea6a50a467f0f2f 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -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 {