From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m16.yeah.net (mail-m16.yeah.net [220.197.32.18]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6153B14EC53; Mon, 12 Aug 2024 11:49:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723463348; cv=none; b=qxwujHhG4YexF8p85xwYhPA+ptLkVXJeHeZXi/7OIooARYcZS1/BuxGslaqKriTgIdLzi71bzNaoA5X+L94bz6VxBe7K6XeDbwq0sPcPrj1RaNSlsz+trACUMR8kOyW96bnnLGCXfLuJ3Suuf/Fv7J15EjWF9EwdTHu3kuXqLlY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723463348; c=relaxed/simple; bh=MU8n8oNR6sTJ4DC5O8p1KYQRyc33ljDSlbHVDD1Z76E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Hl0JRlnRepH1s2m+wSdMb2PwLxpOggiIEn//Gt8xURALSxpvpdibqo6JYeHxoUCt+BPu0uuE8jbhxTbO+9Ln731Flh4yrnp/3nshm/SkUUxTfStv/LMUrBhTd1Iz7npvkffhYYD+zt8VKTg2l75U/Pk3Kin0lAqzJ0AICTltfWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net; spf=pass smtp.mailfrom=yeah.net; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b=TE/ACCSK; arc=none smtp.client-ip=220.197.32.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yeah.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b="TE/ACCSK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:Subject:Message-ID:MIME-Version: Content-Type; bh=rR32OfomYnPAod7zuZyAeQ+ekw2kljmsFCxG2kUM+TY=; b=TE/ACCSKW9zHy5P760ILZFKHEACTTXrtntOFRsc/MfkWrsS8THkY2Kstq1Lt+d pvdYqZJ7g8EpE9cLGvEpKJRnYMY5nvXfgcghNnnV7J7DoHgaSbV26B5i+T8+W6vE kkR6gpXW9mwUJa1x+Wdb/koGOXANAGxWcYEQSSR9x5SyU= Received: from dragon (unknown [117.62.10.86]) by gzsmtp3 (Coremail) with SMTP id M88vCgC3H+2U9rlm+ZMQAg--.48176S3; Mon, 12 Aug 2024 19:48:38 +0800 (CST) Date: Mon, 12 Aug 2024 19:48:36 +0800 From: Shawn Guo To: Michal =?utf-8?B?Vm9rw6HEjQ==?= Cc: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Conor Dooley , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] ARM: dts: imx6dl-yapp43: Increase LED current to match the yapp4 HW design Message-ID: References: <20240723142519.134083-1-michal.vokac@ysoft.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240723142519.134083-1-michal.vokac@ysoft.com> X-CM-TRANSID:M88vCgC3H+2U9rlm+ZMQAg--.48176S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrKryUZw1DAryfJrW8GFyDJrb_yoWfJrb_WF WxJFyIy397K3W8Ga15Krna934a93yUJF4xtw1Dta9agry0yF48Jw12qr93ZryUZF45Crnx Crs5Ww1xK39I9jkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU0rsqJUUUUU== X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiEgM5ZWa57+IRVwAAsZ On Tue, Jul 23, 2024 at 04:25:19PM +0200, Michal Vokáč wrote: > On the imx6dl-yapp4 revision based boards, the RGB LED is not driven > directly by the LP5562 driver but through FET transistors. Hence the LED > current is not determined by the driver but by the LED series resistors. > > On the imx6dl-yapp43 revision based boards, we removed the FET transistors > to drive the LED directly from the LP5562 but forgot to tune the output > current to match the previous HW design. > > Set the LED current on imx6dl-yapp43 based boards to the same values > measured on the imx6dl-yapp4 boards and limit the maximum current to 20mA. > > Fixes: 7da4734751e0 ("ARM: dts: imx6dl-yapp43: Add support for new HW revision of the IOTA board") > Cc: > Signed-off-by: Michal Vokáč Applied, thanks!