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 CB0D74964E; Wed, 3 Jul 2024 23:02:17 +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=1720047737; cv=none; b=j9GblyqmqkSKR0Y8vAVRM0vC/axNNC920wh5yf9Mg3y58J7QyG56zmZL2o6VpW6/Pwc0mPp5pTOQE8SR4XF6AhVJaNe6f6jJSs9STINmZNdwVMN9HWIoX+dMoKHXWQW3MGgqY1ZG+vOwG54vHDM0MDSCalqZzjNqEAcORP64EI0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720047737; c=relaxed/simple; bh=323AARVAbsuqgisnRvoVpG6coTMv5pU6DvWTb8N8kDs=; h=Message-ID:Content-Type:MIME-Version:In-Reply-To:References: Subject:From:Cc:To:Date; b=KH1pt8dIIEGbmgDnt6CnrwIqAVcyZKE/Uc3q87aHYNsxW7wkwteFpeQsrbys2TOa539BhLo8qQevRaMKybUZNgxedaI/JVYUJzpWex8ijrjn3BdUqUD8b8MQjSm+3QsLA1HLE4TnojqFKWRttLgutbs9bdREifhsDsLBYaW2ReA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SyW7zLRQ; 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="SyW7zLRQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39878C2BD10; Wed, 3 Jul 2024 23:02:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720047737; bh=323AARVAbsuqgisnRvoVpG6coTMv5pU6DvWTb8N8kDs=; h=In-Reply-To:References:Subject:From:Cc:To:Date:From; b=SyW7zLRQqEUsF3R7njKMze0tJN6sYAo2v3HfdCpIhTKysCzrL4GfENdHiWwE8dNMD wpI9kxWE9iFgKz74LTQQv7D4FaqQHsi9XbIOP6/SvmzrJxbL6ScbaC/cFT8AZIXFzq NRAaN3muBi4sVDM30qmdX4gdNcMH5MQQ9vo4a5XuvmGq6b5vQAjLjn0FAimCWjbvER 69/S9sZvWykTB6EsjfwWTB68SXYyXxQa8iBLQe1hNNiKRudLeYZ157U2Ln+nG6G3cH u8JU5G5yo196FznjoasDSsIaYmzbKEag9ARgW7RhGWQFr6QGxcpMizQw2I6aQDobfL 9HI9Mp+N/ewyA== Message-ID: Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20240703105454.41254-20-ryan@testtoast.com> References: <20240703105454.41254-1-ryan@testtoast.com> <20240703105454.41254-20-ryan@testtoast.com> Subject: Re: [PATCH v2 19/23] clk: sunxi-ng: ccu: add Display Engine 3.3 (DE33) support From: Stephen Boyd Cc: Andre Przywara , Chris Morgan , John Watts , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, Ryan Walklin To: Chen-Yu Tsai , Conor Dooley , Daniel Vetter , David Airlie , Jernej Skrabec , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Michael Turquette , Rob Herring , Ryan Walklin , Samuel Holland , Thomas Zimmermann Date: Wed, 03 Jul 2024 16:02:15 -0700 User-Agent: alot/0.10 Quoting Ryan Walklin (2024-07-03 03:51:09) > diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/= ccu-sun8i-de2.c > index b0b8dba239aec..36b9eadb80bb5 100644 > --- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c > +++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c > @@ -7,6 +7,7 @@ > #include > #include > #include > +#include What is this include for? > #include > #include > =20 > @@ -290,6 +301,16 @@ static int sunxi_de2_clk_probe(struct platform_devic= e *pdev) > "Couldn't deassert reset control: %d\n", ret); > goto err_disable_mod_clk; > } > +=20 > + /* > + * The DE33 requires these additional (unknown) registers set > + * during initialisation. > + */ > + if (of_device_is_compatible(pdev->dev.of_node, > + "allwinner,sun50i-h616-de33-clk")) { > + writel(0, reg + 0x24); > + writel(0x0000A980, reg + 0x28); Lowercase hex please. Did the downstream driver have names for these register offsets by way of some sort of #define? > + } > =20 > ret =3D devm_sunxi_ccu_probe(&pdev->dev, reg, ccu_desc); > if (ret)