From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.manjaro.org (mail.manjaro.org [116.203.91.91]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B47F1465AE; Mon, 13 Jan 2025 08:24:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.91.91 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736756662; cv=none; b=pqtr4JimRTXfKBQcpveY9s8Yu3DhQekKWnV48r7giacdo4n61aCF4B+PmVZQmVie+8r0twOXPZ0e1qwVAvwfzqEORDQML28pAuw2TQYW2FB6pmEHyUEezFL0hgkDU0t++eJ172alRc2pIjQ3qthFsWVA20me2SRsXHn7YLdeutU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736756662; c=relaxed/simple; bh=W1AJx50RbfJIo7DGCNaPzhN+xsJZQ6D7nxxHOWYulYQ=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=RQmHmDdWzvXNtSD5Uz6KDBS9387pGlyddXGk4io9+MXYN8Lf4+9kUZD1U89uKqmY6CM+GkVB6tNKH3EpQEeIU2gzNAu7xmatEOKOn6UirO+cYqtBhk4Of/tGkw0mneW4r53g1UKdt142k2IcmgkJL/CiFwen1iO4u+FI3UHIUFM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manjaro.org; spf=pass smtp.mailfrom=manjaro.org; dkim=pass (2048-bit key) header.d=manjaro.org header.i=@manjaro.org header.b=d8Empi5W; arc=none smtp.client-ip=116.203.91.91 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manjaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=manjaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=manjaro.org header.i=@manjaro.org header.b="d8Empi5W" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1736756657; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NP5Y8/O0Oc9k478L1LRw9mJQHwjSZlVZoadTLuLD3bY=; b=d8Empi5WA2UJ1zS0ddwUrM+Qk1NkOfJa4O3dj5SEXV6LaLW7Y+bc12XtymLBfnjfJ6AgIt sf/zpnRI2sY1w1ufENH7lsq77JuGSqiG8Td2KqrSyllg3aqZthzhUOWKQcWfVXzlnh9n9p dZT1YstAPQKIzzzJWDIxgoHf4KrYWzWgolISWRgFS1fN0vRprnNkcGA9HTODoDwmrfU47C eMai8Ilw7AxGhPCMWO6oGs0+Fwa4ZtXEX+98DYe7iRKAA7k/Pc2dy2Mzbm/e8R0hVILBxM fGNUlWyfs/7sVCUtcMkdK3zpn4r3OmQqBgMLkhnUrWlel2a+BNWaVQKoVLZ49g== Date: Mon, 13 Jan 2025 09:24:16 +0100 From: Dragan Simic To: Junhao Xie Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Jonas Karlman , Chukun Pan , FUKAUMI Naoki , linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 3/3] arm64: dts: rockchip: add dts for Ariaboard Photonicat RK3568 In-Reply-To: <54b5dac0-5791-4b20-a237-dac6fd03c259@classfun.cn> References: <20250112073344.1976411-1-bigfoot@classfun.cn> <20250112073344.1976411-4-bigfoot@classfun.cn> <1e72cc9cdc390e79e97806fe4f7d8abf@manjaro.org> <35f8fe37-b06f-49eb-b0c2-430421f1ff3b@classfun.cn> <7b55c7469774c41d9896df3100df1630@manjaro.org> <54b5dac0-5791-4b20-a237-dac6fd03c259@classfun.cn> Message-ID: <3ee25756b12e999631bd959d787ff248@manjaro.org> X-Sender: dsimic@manjaro.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org Hello Junhao, On 2025-01-13 09:18, Junhao Xie wrote: > On 2025/1/13 12:25, Dragan Simic wrote: >> On 2025-01-12 23:16, Junhao Xie wrote: >>> On 2025/1/12 16:47, Dragan Simic wrote: >>>> Unless the design of the board is proprietary, it would be good >>>> to provide a link to the board schematic, for those interested >>>> in verifying the board DT file. >>>> >>>> As a note, I already tried to find the board schematic with no >>>> success, so the design might be proprietary. >>> >>> Yes, this board is proprietary. I asked the manufacturer and >>> they don't provide schematics. >>> >>> But I found a partial schematic diagram of some of connectors >>> on the board here >>> https://dl.ariaboard.com/photonicat_rk3568/Photonicat%20rk3568%20EVB%20Board%20spec.pdf >> >> Yes, I also found that PDF file.  It's somewhat similar to what >> Raspberry Pi provides with its reduced schematics -- helpful to >> an extent, but still leaving a lot to be desired. >> >> Out of curiosity, what did you actually use as a reference to create >> the board dts file?  Perhaps some downstream dts file provided by >> the manufacturer or found in some operating system image? > > I wrote this device tree based on other rk3568 devices in mainline, > and downstream board dts: > https://github.com/photonicat/rockchip_rk3568_kernel/blob/novotech-5.10/arch/arm64/boot/dts/rockchip/rk3568-photonicat-base.dtsi Thanks for the clarification. It would be good to include that link in the description of patch 3/3, for future reference.