From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6CB1B29C33E; Thu, 3 Jul 2025 10:54:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751540088; cv=none; b=G8hG2Ymgo8a85oTHFgocKswzWp8cpirDfBgJPSfqgrL5O6d3ay6wT9efQDoyZbA7NqUgnVq8dvFYhDN9HW+lPzGA9wnDeMRMfPKMnJpVzzPquhHBJLVtufEe4nS8hJH2H+dhWW6/fjKHrAltcBZsyfOSm4ABPyWn9XPWRTXhifw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751540088; c=relaxed/simple; bh=cRCXm0lP5n7xm7KKxtJF4+SEXeDjRYvbNgycsf6d4z0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=qQVZYiFaquCXxxONr9uUObcQWEHucdVdeWsCEXc2Mgr+vCv/ctT7aMaYBVT3q9FhPJ9BGWubT7pgzcr1aLTSWxXKR+K8BIKK9GBXcItJZI8ibPrFaZYt1FN2OdhZG88cKbCo6rKYui4WXqU06FgCs0sFJ+C3WGpa9R2cU4w3FrE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gl2H4/2J; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gl2H4/2J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FA92C4CEE3; Thu, 3 Jul 2025 10:54:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751540088; bh=cRCXm0lP5n7xm7KKxtJF4+SEXeDjRYvbNgycsf6d4z0=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=gl2H4/2J5NiEV5eUw+iJsAhi1S9EFE2GUFjmTlKBuTkDKp52gx20an4BFa8cOWPEM /11TdmCJICe7auCfZY5ay/ipRTwqs9lqhfSwVBEwRsfgi9Dum041f8y8rBDIq4n3r1 5qNiHRgdtar9c+dzXKCD0ruEdT1H9KFNPwdpalAmIj/0yaXjH4QUGkka8BFbTzIX1M V8iGBli3W6Ui2Oez/YpuCn0oA3Al4YVKDbH7IKOOW9rigjP+L5yUZBEdIOO4l2Tsd2 EXgiDjuHaRuXRqA3+M9cfq1qwfB2Maqw32FMzKKLynhA5GL0JsmYZtRDokucIlXSvm vS75om15fa3NQ== Message-ID: <1c95927e-a028-43fe-bdf5-449767b49ec1@kernel.org> Date: Thu, 3 Jul 2025 12:54:43 +0200 Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V4 1/2] dt-bindings: leds: pwm: add enable-gpios property To: LI Qingwu , "lee@kernel.org" , "pavel@kernel.org" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "linux-leds@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Cc: GEO-CHHER-bsp-development References: <20250703093430.229959-1-Qing-wu.Li@leica-geosystems.com.cn> <20250703093430.229959-2-Qing-wu.Li@leica-geosystems.com.cn> <85e411bf-58cf-46fe-9afa-7b76999f1a42@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 03/07/2025 12:27, LI Qingwu wrote: > > >> -----Original Message----- >> From: Krzysztof Kozlowski >> Sent: Thursday, July 3, 2025 5:59 PM >> To: LI Qingwu ; lee@kernel.org; >> pavel@kernel.org; robh@kernel.org; krzk+dt@kernel.org; >> conor+dt@kernel.org; linux-leds@vger.kernel.org; devicetree@vger.kernel.org; >> linux-kernel@vger.kernel.org >> Cc: GEO-CHHER-bsp-development >> >> Subject: Re: [PATCH V4 1/2] dt-bindings: leds: pwm: add enable-gpios property >> >> This email is not from Hexagon’s Office 365 instance. Please be careful while >> clicking links, opening attachments, or replying to this email. Please drop this, it is not relevant in upstream discussions. Use normal email client which will not produce useless header above. >> >> >> On 03/07/2025 11:34, LI Qingwu wrote: >>> some pwm led driver chips like tps92380 require a separate enable >>> signal >> >> Sentence starts with capital letter. >> >> tps92380 does not have dedicated enable pin. It has VDDIO, which serves also >> enable purpose, but it is a supply. > > So this patch is unacceptable anyway? If you make this patch for tps92380, I think it is not correct. You have entire commit msg to explain the hardware and all unusual things. Having VDDIO and EN pin is unusual, because you do not supply power directly from GPIOs of a SoC. All this should be explained. Best regards, Krzysztof