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From: Rob Herring <robh@kernel.org>
To: Sasha Finkelstein <fnkl.kernel@gmail.com>
Cc: thierry.reding@gmail.com, krzysztof.kozlowski+dt@linaro.org,
	marcan@marcan.st, sven@svenpeter.dev, alyssa@rosenzweig.io,
	asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND v3 3/4] arm64: dts: apple: t8103: Add PWM controller
Date: Tue, 22 Nov 2022 20:28:45 -0600	[thread overview]
Message-ID: <20221123022845.GB1006695-robh@kernel.org> (raw)
In-Reply-To: <20221121174228.93670-4-fnkl.kernel@gmail.com>

On Mon, Nov 21, 2022 at 08:42:27PM +0300, Sasha Finkelstein wrote:
> Adds PWM controller and keyboard backlight bindings for M1 MacBooks
> 
> Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
> Acked-by: Sven Peter <sven@svenpeter.dev>
> ---
>  arch/arm64/boot/dts/apple/t8103-j293.dts | 20 ++++++++++++++++++++
>  arch/arm64/boot/dts/apple/t8103-j313.dts | 20 ++++++++++++++++++++
>  arch/arm64/boot/dts/apple/t8103.dtsi     |  9 +++++++++
>  3 files changed, 49 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts
> index ecb10d237a05..0b4b7e8e0726 100644
> --- a/arch/arm64/boot/dts/apple/t8103-j293.dts
> +++ b/arch/arm64/boot/dts/apple/t8103-j293.dts
> @@ -11,6 +11,7 @@
>  
>  #include "t8103.dtsi"
>  #include "t8103-jxxx.dtsi"
> +#include <dt-bindings/leds/common.h>
>  
>  / {
>  	compatible = "apple,j293", "apple,t8103", "apple,arm-platform";
> @@ -43,3 +44,22 @@ &i2c2 {
>  &i2c4 {
>  	status = "okay";
>  };
> +
> +/ {
> +	led-controller {
> +		compatible = "pwm-leds";
> +		led-0 {
> +			pwms = <&fpwm1 0 40000>;
> +			pwm-names = "kbd-backlight";

While allowed pwm-names isn't really needed here as there is only ever 1 
PWM and it is redundant with 'label'.

> +			label = "kbd_backlight";
> +			function = LED_FUNCTION_KBD_BACKLIGHT;
> +			color = <LED_COLOR_ID_WHITE>;
> +			max-brightness = <255>;
> +			default-state = "keep";
> +		};
> +	};
> +};
> +
> +&fpwm1 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/apple/t8103-j313.dts b/arch/arm64/boot/dts/apple/t8103-j313.dts
> index df741737b8e6..0e0f57dee96b 100644
> --- a/arch/arm64/boot/dts/apple/t8103-j313.dts
> +++ b/arch/arm64/boot/dts/apple/t8103-j313.dts
> @@ -11,6 +11,7 @@
>  
>  #include "t8103.dtsi"
>  #include "t8103-jxxx.dtsi"
> +#include <dt-bindings/leds/common.h>
>  
>  / {
>  	compatible = "apple,j313", "apple,t8103", "apple,arm-platform";
> @@ -35,3 +36,22 @@ &pcie0_dart_2 {
>  
>  /delete-node/ &port01;
>  /delete-node/ &port02;
> +
> +/ {
> +	led-controller {
> +		compatible = "pwm-leds";
> +		led-0 {
> +			pwms = <&fpwm1 0 40000>;
> +			pwm-names = "kbd-backlight";
> +			label = "kbd_backlight";
> +			function = LED_FUNCTION_KBD_BACKLIGHT;
> +			color = <LED_COLOR_ID_WHITE>;
> +			max-brightness = <255>;
> +			default-state = "keep";
> +		};
> +	};
> +};
> +
> +&fpwm1 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
> index 51a63b29d404..ccdb26ef6b22 100644
> --- a/arch/arm64/boot/dts/apple/t8103.dtsi
> +++ b/arch/arm64/boot/dts/apple/t8103.dtsi
> @@ -191,6 +191,15 @@ i2c4: i2c@235020000 {
>  			status = "disabled"; /* only used in J293 */
>  		};
>  
> +		fpwm1: pwm@235044000 {
> +			compatible = "apple,t8103-fpwm", "apple,s5l-fpwm";
> +			reg = <0x2 0x35044000 0x0 0x4000>;
> +			power-domains = <&ps_fpwm1>;
> +			clocks = <&clkref>;
> +			#pwm-cells = <2>;
> +			status = "disabled";
> +		};
> +
>  		serial0: serial@235200000 {
>  			compatible = "apple,s5l-uart";
>  			reg = <0x2 0x35200000 0x0 0x1000>;
> -- 
> 2.38.1
> 
> 

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Sasha Finkelstein <fnkl.kernel@gmail.com>
Cc: thierry.reding@gmail.com, krzysztof.kozlowski+dt@linaro.org,
	marcan@marcan.st, sven@svenpeter.dev, alyssa@rosenzweig.io,
	asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND v3 3/4] arm64: dts: apple: t8103: Add PWM controller
Date: Tue, 22 Nov 2022 20:28:45 -0600	[thread overview]
Message-ID: <20221123022845.GB1006695-robh@kernel.org> (raw)
In-Reply-To: <20221121174228.93670-4-fnkl.kernel@gmail.com>

On Mon, Nov 21, 2022 at 08:42:27PM +0300, Sasha Finkelstein wrote:
> Adds PWM controller and keyboard backlight bindings for M1 MacBooks
> 
> Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
> Acked-by: Sven Peter <sven@svenpeter.dev>
> ---
>  arch/arm64/boot/dts/apple/t8103-j293.dts | 20 ++++++++++++++++++++
>  arch/arm64/boot/dts/apple/t8103-j313.dts | 20 ++++++++++++++++++++
>  arch/arm64/boot/dts/apple/t8103.dtsi     |  9 +++++++++
>  3 files changed, 49 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts
> index ecb10d237a05..0b4b7e8e0726 100644
> --- a/arch/arm64/boot/dts/apple/t8103-j293.dts
> +++ b/arch/arm64/boot/dts/apple/t8103-j293.dts
> @@ -11,6 +11,7 @@
>  
>  #include "t8103.dtsi"
>  #include "t8103-jxxx.dtsi"
> +#include <dt-bindings/leds/common.h>
>  
>  / {
>  	compatible = "apple,j293", "apple,t8103", "apple,arm-platform";
> @@ -43,3 +44,22 @@ &i2c2 {
>  &i2c4 {
>  	status = "okay";
>  };
> +
> +/ {
> +	led-controller {
> +		compatible = "pwm-leds";
> +		led-0 {
> +			pwms = <&fpwm1 0 40000>;
> +			pwm-names = "kbd-backlight";

While allowed pwm-names isn't really needed here as there is only ever 1 
PWM and it is redundant with 'label'.

> +			label = "kbd_backlight";
> +			function = LED_FUNCTION_KBD_BACKLIGHT;
> +			color = <LED_COLOR_ID_WHITE>;
> +			max-brightness = <255>;
> +			default-state = "keep";
> +		};
> +	};
> +};
> +
> +&fpwm1 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/apple/t8103-j313.dts b/arch/arm64/boot/dts/apple/t8103-j313.dts
> index df741737b8e6..0e0f57dee96b 100644
> --- a/arch/arm64/boot/dts/apple/t8103-j313.dts
> +++ b/arch/arm64/boot/dts/apple/t8103-j313.dts
> @@ -11,6 +11,7 @@
>  
>  #include "t8103.dtsi"
>  #include "t8103-jxxx.dtsi"
> +#include <dt-bindings/leds/common.h>
>  
>  / {
>  	compatible = "apple,j313", "apple,t8103", "apple,arm-platform";
> @@ -35,3 +36,22 @@ &pcie0_dart_2 {
>  
>  /delete-node/ &port01;
>  /delete-node/ &port02;
> +
> +/ {
> +	led-controller {
> +		compatible = "pwm-leds";
> +		led-0 {
> +			pwms = <&fpwm1 0 40000>;
> +			pwm-names = "kbd-backlight";
> +			label = "kbd_backlight";
> +			function = LED_FUNCTION_KBD_BACKLIGHT;
> +			color = <LED_COLOR_ID_WHITE>;
> +			max-brightness = <255>;
> +			default-state = "keep";
> +		};
> +	};
> +};
> +
> +&fpwm1 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
> index 51a63b29d404..ccdb26ef6b22 100644
> --- a/arch/arm64/boot/dts/apple/t8103.dtsi
> +++ b/arch/arm64/boot/dts/apple/t8103.dtsi
> @@ -191,6 +191,15 @@ i2c4: i2c@235020000 {
>  			status = "disabled"; /* only used in J293 */
>  		};
>  
> +		fpwm1: pwm@235044000 {
> +			compatible = "apple,t8103-fpwm", "apple,s5l-fpwm";
> +			reg = <0x2 0x35044000 0x0 0x4000>;
> +			power-domains = <&ps_fpwm1>;
> +			clocks = <&clkref>;
> +			#pwm-cells = <2>;
> +			status = "disabled";
> +		};
> +
>  		serial0: serial@235200000 {
>  			compatible = "apple,s5l-uart";
>  			reg = <0x2 0x35200000 0x0 0x1000>;
> -- 
> 2.38.1
> 
> 

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-11-23  2:28 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-21 17:42 [PATCH RESEND v3 0/4] PWM and keyboard backlight driver for ARM Macs Sasha Finkelstein
2022-11-21 17:42 ` Sasha Finkelstein
2022-11-21 17:42 ` [PATCH RESEND v3 1/4] dt-bindings: pwm: Add Apple PWM controller Sasha Finkelstein
2022-11-21 17:42   ` Sasha Finkelstein
2022-11-28 15:08   ` Uwe Kleine-König
2022-11-28 15:08     ` Uwe Kleine-König
2022-11-21 17:42 ` [PATCH RESEND v3 2/4] " Sasha Finkelstein
2022-11-21 17:42   ` Sasha Finkelstein
2022-11-23  2:24   ` Rob Herring
2022-11-23  2:24     ` Rob Herring
2022-11-23  2:37     ` Hector Martin
2022-11-23  2:37       ` Hector Martin
2022-11-28 15:06   ` Uwe Kleine-König
2022-11-28 15:06     ` Uwe Kleine-König
2022-11-21 17:42 ` [PATCH RESEND v3 3/4] arm64: dts: apple: t8103: Add " Sasha Finkelstein
2022-11-21 17:42   ` Sasha Finkelstein
2022-11-23  2:28   ` Rob Herring [this message]
2022-11-23  2:28     ` Rob Herring
2022-11-21 17:42 ` [PATCH RESEND v3 4/4] MAINTAINERS: Add entries for Apple PWM driver Sasha Finkelstein
2022-11-21 17:42   ` Sasha Finkelstein

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