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Linux admin To: Alexander Dahl Subject: Re: [PATCH v7 02/12] dt-bindings: leds: Convert pwm to yaml Message-ID: <20201029134630.GE1559@shell.armlinux.org.uk> References: <20201005203451.9985-1-post@lespocky.de> <20201005203451.9985-3-post@lespocky.de> <20201028203953.eafmzeqba76qjlf2@falbala.internal.home.lespocky.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201028203953.eafmzeqba76qjlf2@falbala.internal.home.lespocky.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201029_094938_623730_49E6B8C1 X-CRM114-Status: GOOD ( 34.36 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Alexander Dahl , linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, Peter Ujfalusi , Rob Herring , 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13:46:30 +0000 Date: Thu, 29 Oct 2020 13:46:30 +0000 From: Russell King - ARM Linux admin To: Alexander Dahl Cc: Peter Ujfalusi , Alexander Dahl , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-omap@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-amlogic@lists.infradead.org, linux-mips@vger.kernel.org, Rob Herring Subject: Re: [PATCH v7 02/12] dt-bindings: leds: Convert pwm to yaml Message-ID: <20201029134630.GE1559@shell.armlinux.org.uk> References: <20201005203451.9985-1-post@lespocky.de> <20201005203451.9985-3-post@lespocky.de> <20201028203953.eafmzeqba76qjlf2@falbala.internal.home.lespocky.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20201028203953.eafmzeqba76qjlf2@falbala.internal.home.lespocky.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: Russell King - ARM Linux admin Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org On Wed, Oct 28, 2020 at 09:39:54PM +0100, Alexander Dahl wrote: > Hello, > > Peter, Russel, could you please give your Acked-by or Signed-off-by on > this patch? Your ack is needed, because the license is now explicitly > set (it was not explicit before), and you were the contributors to > this binding before the conversion to yaml. For the license change only: Acked-by: Russell King (Please drop the Cc attributation in the commit to linux@armlinux.org.uk thanks.) > > Thanks and Greets > Alex > > On Mon, Oct 05, 2020 at 10:34:41PM +0200, Alexander Dahl wrote: > > The example was adapted in the following ways: > > > > - make use of the now supported 'function' and 'color' properties > > - remove pwm nodes, those are documented elsewhere > > - align node names to new dt schema rules and dt recommendations > > > > License was not explicitly set before. The license set now is > > recommended by DT project. > > > > Suggested-by: Jacek Anaszewski > > Signed-off-by: Alexander Dahl > > Reviewed-by: Krzysztof Kozlowski > > Reviewed-by: Rob Herring > > Cc: Peter Ujfalusi > > Cc: Russell King > > --- > > > > Notes: > > NOTE: Due to license set/change this needs Acked-by or Signed-off-by from: > > * Peter Ujfalusi > > * Russell King > > > > That was discussed already with Peter (original author), still waiting > > for Acked-by though … > > > > Changelog > > --------- > > v6 -> v7: > > * added Reviewed-by (Krzysztof Kozlowski) > > * reworded commit message (suggested by Krzysztof) > > * added Reviewed-by (Rob Herring) > > > > v5 -> v6: > > * removed pwm nodes from example (Rob) > > * renamed led-controller node in example (Rob) > > > > v4 -> v5: > > * updated based on feedback by Rob Herring > > * removed Acked-by > > > > v3 -> v4: > > * added Cc to original author of the binding > > > > v2 -> v3: > > * changed license identifier to recommended one > > * added Acked-by > > > > v2: > > * added this patch to series (Suggested-by: Jacek Anaszewski) > > > > .../devicetree/bindings/leds/leds-pwm.txt | 50 ------------- > > .../devicetree/bindings/leds/leds-pwm.yaml | 70 +++++++++++++++++++ > > 2 files changed, 70 insertions(+), 50 deletions(-) > > delete mode 100644 Documentation/devicetree/bindings/leds/leds-pwm.txt > > create mode 100644 Documentation/devicetree/bindings/leds/leds-pwm.yaml > > > > diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.txt b/Documentation/devicetree/bindings/leds/leds-pwm.txt > > deleted file mode 100644 > > index 6c6583c35f2f..000000000000 > > --- a/Documentation/devicetree/bindings/leds/leds-pwm.txt > > +++ /dev/null > > @@ -1,50 +0,0 @@ > > -LED connected to PWM > > - > > -Required properties: > > -- compatible : should be "pwm-leds". > > - > > -Each LED is represented as a sub-node of the pwm-leds device. Each > > -node's name represents the name of the corresponding LED. > > - > > -LED sub-node properties: > > -- pwms : PWM property to point to the PWM device (phandle)/port (id) and to > > - specify the period time to be used: <&phandle id period_ns>; > > -- pwm-names : (optional) Name to be used by the PWM subsystem for the PWM device > > - For the pwms and pwm-names property please refer to: > > - Documentation/devicetree/bindings/pwm/pwm.txt > > -- max-brightness : Maximum brightness possible for the LED > > -- active-low : (optional) For PWMs where the LED is wired to supply > > - rather than ground. > > -- label : (optional) > > - see Documentation/devicetree/bindings/leds/common.txt > > -- linux,default-trigger : (optional) > > - see Documentation/devicetree/bindings/leds/common.txt > > - > > -Example: > > - > > -twl_pwm: pwm { > > - /* provides two PWMs (id 0, 1 for PWM1 and PWM2) */ > > - compatible = "ti,twl6030-pwm"; > > - #pwm-cells = <2>; > > -}; > > - > > -twl_pwmled: pwmled { > > - /* provides one PWM (id 0 for Charing indicator LED) */ > > - compatible = "ti,twl6030-pwmled"; > > - #pwm-cells = <2>; > > -}; > > - > > -pwmleds { > > - compatible = "pwm-leds"; > > - kpad { > > - label = "omap4::keypad"; > > - pwms = <&twl_pwm 0 7812500>; > > - max-brightness = <127>; > > - }; > > - > > - charging { > > - label = "omap4:green:chrg"; > > - pwms = <&twl_pwmled 0 7812500>; > > - max-brightness = <255>; > > - }; > > -}; > > diff --git a/Documentation/devicetree/bindings/leds/leds-pwm.yaml b/Documentation/devicetree/bindings/leds/leds-pwm.yaml > > new file mode 100644 > > index 000000000000..fe4d5fd25913 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/leds/leds-pwm.yaml > > @@ -0,0 +1,70 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/leds/leds-pwm.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: LEDs connected to PWM > > + > > +maintainers: > > + - Pavel Machek > > + > > +description: > > + Each LED is represented as a sub-node of the pwm-leds device. Each > > + node's name represents the name of the corresponding LED. > > + > > +properties: > > + compatible: > > + const: pwm-leds > > + > > +patternProperties: > > + "^led(-[0-9a-f]+)?$": > > + type: object > > + > > + $ref: common.yaml# > > + > > + properties: > > + pwms: > > + maxItems: 1 > > + > > + pwm-names: true > > + > > + max-brightness: > > + description: > > + Maximum brightness possible for the LED > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + > > + active-low: > > + description: > > + For PWMs where the LED is wired to supply rather than ground. > > + type: boolean > > + > > + required: > > + - pwms > > + - max-brightness > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + > > + #include > > + > > + led-controller { > > + compatible = "pwm-leds"; > > + > > + led-1 { > > + label = "omap4::keypad"; > > + pwms = <&twl_pwm 0 7812500>; > > + max-brightness = <127>; > > + }; > > + > > + led-2 { > > + color = ; > > + function = LED_FUNCTION_CHARGING; > > + pwms = <&twl_pwmled 0 7812500>; > > + max-brightness = <255>; > > + }; > > + }; > > + > > +... > > -- > > 2.20.1 > > -- > /"\ ASCII RIBBON | »With the first link, the chain is forged. The first > \ / CAMPAIGN | speech censured, the first thought forbidden, the > X AGAINST | first freedom denied, chains us all irrevocably.« > / \ HTML MAIL | (Jean-Luc Picard, quoting Judge Aaron Satie) -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! 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13:46:30 +0000 Date: Thu, 29 Oct 2020 13:46:30 +0000 From: Russell King - ARM Linux admin To: Alexander Dahl Subject: Re: [PATCH v7 02/12] dt-bindings: leds: Convert pwm to yaml Message-ID: <20201029134630.GE1559@shell.armlinux.org.uk> References: <20201005203451.9985-1-post@lespocky.de> <20201005203451.9985-3-post@lespocky.de> <20201028203953.eafmzeqba76qjlf2@falbala.internal.home.lespocky.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201028203953.eafmzeqba76qjlf2@falbala.internal.home.lespocky.de> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201029_094938_623730_49E6B8C1 X-CRM114-Status: GOOD ( 34.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Alexander Dahl , 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