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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slq0y-00000004Xu7-3iRv; Wed, 04 Sep 2024 13:25:40 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1slq00-00000004XjL-3Ycg for linux-arm-kernel@lists.infradead.org; Wed, 04 Sep 2024 13:24:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 63255A442F9; Wed, 4 Sep 2024 13:24:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BCF76C4CEC2; Wed, 4 Sep 2024 13:24:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725456279; bh=VD4Uy7oAc+nT7ov65tbrV4jCOunVuSnuaZX67sZ/AD8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=EaZA3ZocO9yeFcLWnQAMtGEkip86DBt1O5MM3Zi+MIiWlMApYGZLT71+bvGX4QX0s GzBGd9kEpW3E4pKUA6YDOPUgHm3Z81C/b18Nzgg4oT+G1LWPjiAYum78+jItZd72EO gj5xBz5Fk2ts+TNEta4t0cTkDj1paLqxjCXH040xSXtye+xXtm3faE8B8mXAIXeP0A FyKLBPpFTpPW1iJ5Ugh9taN9x2d9+U+iJNEx7VD+99J7IOCNCQLjofSBU7olyHNeaH QP+Z1eaYSJlC4gLKcNSgQB4hLoiQBfsDEE/jS43+FQ46wAXjppCl3vz+VpvLPmM3um ClLE8oJQvyGDA== Message-ID: Date: Wed, 4 Sep 2024 15:24:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 17/21] dt-bindings: serial: document support for SA8255p To: Nikunj Kela Cc: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, rafael@kernel.org, viresh.kumar@linaro.org, herbert@gondor.apana.org.au, davem@davemloft.net, sudeep.holla@arm.com, andi.shyti@kernel.org, tglx@linutronix.de, will@kernel.org, robin.murphy@arm.com, joro@8bytes.org, jassisinghbrar@gmail.com, lee@kernel.org, linus.walleij@linaro.org, amitk@kernel.org, thara.gopinath@gmail.com, broonie@kernel.org, cristian.marussi@arm.com, rui.zhang@intel.com, lukasz.luba@arm.com, wim@linux-watchdog.org, linux@roeck-us.net, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-crypto@vger.kernel.org, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, iommu@lists.linux.dev, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-watchdog@vger.kernel.org, kernel@quicinc.com, quic_psodagud@quicinc.com, Praveen Talari References: <20240828203721.2751904-1-quic_nkela@quicinc.com> <20240903220240.2594102-1-quic_nkela@quicinc.com> <20240903220240.2594102-18-quic_nkela@quicinc.com> <6fed4714-5239-473b-b4a0-886d83c459c3@quicinc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240904_062441_056125_73735CD1 X-CRM114-Status: GOOD ( 17.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/09/2024 14:54, Nikunj Kela wrote: > > On 9/3/2024 11:36 PM, Krzysztof Kozlowski wrote: >> On Tue, Sep 03, 2024 at 03:02:36PM -0700, Nikunj Kela wrote: >>> Add compatibles representing UART support on SA8255p. >>> >>> Clocks and interconnects are being configured in the firmware VM >>> on SA8255p platform, therefore making them optional. >>> >>> CC: Praveen Talari >>> Signed-off-by: Nikunj Kela >>> --- >>> .../serial/qcom,serial-geni-qcom.yaml | 53 ++++++++++++++++--- >>> 1 file changed, 47 insertions(+), 6 deletions(-) >>> >>> diff --git a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml >>> index dd33794b3534..b63c984684f3 100644 >>> --- a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml >>> +++ b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml >>> @@ -10,14 +10,13 @@ maintainers: >>> - Andy Gross >>> - Bjorn Andersson >>> >>> -allOf: >>> - - $ref: /schemas/serial/serial.yaml# >>> - >>> properties: >>> compatible: >>> enum: >>> - qcom,geni-uart >>> - qcom,geni-debug-uart >>> + - qcom,sa8255p-geni-uart >>> + - qcom,sa8255p-geni-debug-uart >> Why devices are not compatible? What changed in programming model? > > The cover-letter explains what is changed for devices in this platform. > I will add the description in this patch too. Many of us do not read cover letters. They don't really matter, especially that serial tree will not include it. Each commit must stand on its own. > > >> >>> >>> clocks: >>> maxItems: 1 >>> @@ -51,18 +50,49 @@ properties: >>> - const: sleep >>> >>> power-domains: >>> - maxItems: 1 >>> + minItems: 1 >>> + maxItems: 2 >>> + >>> + power-domain-names: >> This does not match power-domains anymore. > > Single power domain doesn't need to use power-domain-names binding as it > is not needed however for multiple(in this case 2), you need to provide > names. I will add this property to if block and only keep maxItems here. The xxx and xxx-names properties always go in sync. Otherwise we do not really know what is the power domain for other variants. You are allowed to be unspecific about power domain (so maxItems: 1) if it is obvious. You now made it non-obvious, so above flexibility does not apply anymore. Best regards, Krzysztof