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Message-Id: <20230214-fpwm-v9-4-f3094107b16b@gmail.com>
Date: Mon, 03 Apr 2023 16:19:22 +0200
From: Sasha Finkelstein via B4 Relay
<devnull+fnkl.kernel.gmail.com@...nel.org>
To: Thierry Reding <thierry.reding@...il.com>,
Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
- <asahi@...ts.linux.dev>,
Sasha Finkelstein <fnkl.kernel@...il.com>,
Hector Martin <marcan@...can.st>,
Sven Peter <sven@...npeter.dev>,
Alyssa Rosenzweig <alyssa@...enzweig.io>
Cc: linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Sasha Finkelstein <7d578vix8hzw@...yq.net>
Subject: [PATCH RESEND v9 4/5] arm64: dts: apple: t600x: Add PWM controller
From: Sasha Finkelstein <7d578vix8hzw@...yq.net>
Adds PWM controller and keyboard backlight bindings for M1 Pro/Max MacBook Pros
Signed-off-by: Sasha Finkelstein <fnkl.kernel@...il.com>
Acked-by: Hector Martin <marcan@...can.st>
---
arch/arm64/boot/dts/apple/t600x-die0.dtsi | 9 +++++++++
arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi | 18 ++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t600x-die0.dtsi b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
index 1c41954e3899..9157ae2a9f7f 100644
--- a/arch/arm64/boot/dts/apple/t600x-die0.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-die0.dtsi
@@ -71,6 +71,15 @@ sio_dart_1: iommu@...008000 {
power-domains = <&ps_sio_cpu>;
};
+ fpwm0: pwm@...030000 {
+ compatible = "apple,t6000-fpwm", "apple,s5l-fpwm";
+ reg = <0x3 0x9b030000 0x0 0x4000>;
+ power-domains = <&ps_fpwm0>;
+ clocks = <&clkref>;
+ #pwm-cells = <2>;
+ status = "disabled";
+ };
+
i2c0: i2c@...040000 {
compatible = "apple,t6000-i2c", "apple,i2c";
reg = <0x3 0x9b040000 0x0 0x4000>;
diff --git a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
index 34906d522f0a..96de7165df6d 100644
--- a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
+++ b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
@@ -9,6 +9,8 @@
* Copyright The Asahi Linux Contributors
*/
+#include <dt-bindings/leds/common.h>
+
/ {
aliases {
serial0 = &serial0;
@@ -34,6 +36,18 @@ memory@...00000000 {
device_type = "memory";
reg = <0x100 0 0x2 0>; /* To be filled by loader */
};
+
+ led-controller {
+ compatible = "pwm-leds";
+ led-0 {
+ pwms = <&fpwm0 0 40000>;
+ label = "kbd_backlight";
+ function = LED_FUNCTION_KBD_BACKLIGHT;
+ color = <LED_COLOR_ID_WHITE>;
+ max-brightness = <255>;
+ default-state = "keep";
+ };
+ };
};
&serial0 {
@@ -110,5 +124,9 @@ &pcie0_dart_3 {
status = "disabled";
};
+&fpwm0 {
+ status = "okay";
+};
+
/delete-node/ &port02;
/delete-node/ &port03;
--
Git-143)
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