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Sat, 23 Dec 2023 06:02:31 -0800 (PST) Received: from [192.168.0.22] ([78.10.206.178]) by smtp.gmail.com with ESMTPSA id s24-20020a170906169800b00a1f8bae93d3sm3098017ejd.215.2023.12.23.06.02.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 23 Dec 2023 06:02:30 -0800 (PST) Message-ID: <1d09b9bf-5709-410c-a598-9188a32e1bea@linaro.org> Date: Sat, 23 Dec 2023 15:02:29 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/6] dt-bindings: pwm: amlogic: add new compatible for meson8 pwm type Content-Language: en-US To: Jerome Brunet , Thierry Reding , =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Kevin Hilman , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-pwm@vger.kernel.org, JunYi Zhao References: <20231222111658.832167-1-jbrunet@baylibre.com> <20231222111658.832167-3-jbrunet@baylibre.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 22/12/2023 12:16, Jerome Brunet wrote: > Add a new compatible for the pwm found in the meson8 to sm1 Amlogic SoCs, > dealing with clocks differently. This does not enable new HW. It is meant > to fix a bad DT ABI for the currently supported HW. > > The original clock bindings describe which input the PWM channel > multiplexer should pick among its possible parents, which are > hard-coded in the driver. As such, it is a setting tied to the driver > implementation and does not describe the HW. > > The new bindings introduce here describe the clocks input of the PWM block > as they exist. > > The old compatible is deprecated but kept to maintain ABI compatibility. > > The SoC specific compatibles introduced match the SoC families supported > by the original bindings. > > Signed-off-by: Jerome Brunet > --- > .../devicetree/bindings/pwm/pwm-amlogic.yaml | 50 +++++++++++++++++-- > 1 file changed, 46 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml > index a1d382aacb82..eece390114a3 100644 > --- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml > +++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml > @@ -21,23 +21,35 @@ properties: > - amlogic,meson-g12a-ee-pwm > - amlogic,meson-g12a-ao-pwm-ab > - amlogic,meson-g12a-ao-pwm-cd > - - amlogic,meson-s4-pwm > + deprecated: true > - items: > - const: amlogic,meson-gx-pwm > - const: amlogic,meson-gxbb-pwm > + deprecated: true > - items: > - const: amlogic,meson-gx-ao-pwm > - const: amlogic,meson-gxbb-ao-pwm > + deprecated: true > - items: > - const: amlogic,meson8-pwm > - const: amlogic,meson8b-pwm > + deprecated: true > + - const: amlogic,meson8-pwm-v2 > + - items: > + - enum: > + - amlogic,meson8b-pwm-v2 > + - amlogic,meson-gxbb-pwm-v2 > + - amlogic,meson-axg-pwm-v2 > + - amlogic,meson-g12-pwm-v2 > + - const: amlogic,meson8-pwm-v2 > + - const: amlogic,meson-s4-pwm If there is going to be resend: This and amlogic,meson8-pwm-v2 before items: should be just in enum, it's easier to read. > > reg: > maxItems: 1 > > clocks: > minItems: 1 > - maxItems: 2 > + maxItems: 4 > > clock-names: > minItems: 1 > @@ -58,7 +70,6 @@ allOf: > compatible: > contains: > enum: > - - amlogic,meson8-pwm I don't understand why removing it here. The rest looks ok. Best regards, Krzysztof