From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f53.google.com (mail-ed1-f53.google.com [209.85.208.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58CC4B67F for ; Sat, 13 Sep 2025 11:31:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757763105; cv=none; b=XzRQ2hMmAeK701wpYmZf96HMBpJM995d5TRIuKxw9G2siCakPEp2lNKk0vwc2yYXJebFE2xZqyJ0Av0MPJ6veeUBaWVLakwJfA7LgqiGuPsFD3jAV6tJ7nGGAHeqF/Sr+E2Y8IYrKvo8ir9M80zo0t122v9FiS9lObf09ePz7EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757763105; c=relaxed/simple; bh=Pd7LXL3e3fziuQtA+gIdsuKsBHrZf8/dR473MaUf6HY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=PdkxdS83r0vJpVJt25dNMdVtO32zmF6YRPx5XZ8+PLiD8AWuYxdkuv8BKFaCc5D/oJhUwU9h2rQgU0qKg7JoU4nBxAZ0T/tlPB0Y28MVoPCHLWo+kfYI3BPID1zZZtPl3HVAhYUfeGY1A2Vl7thz1vWSukgY3q/jZ8gjdp8Kwfo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=G+T8hLja; arc=none smtp.client-ip=209.85.208.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G+T8hLja" Received: by mail-ed1-f53.google.com with SMTP id 4fb4d7f45d1cf-62f1987d4b2so320535a12.2 for ; Sat, 13 Sep 2025 04:31:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1757763103; x=1758367903; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zhiOMZzJmlK07q9Yx4eHe//JB/+U6zF5S8d+vjc7i3g=; b=G+T8hLja00fDYD5eggA29QCGKu/MVbP3nf2Nr817eqWHvCR8kvymXueuMANRAUxoEP +EX/i1F/9HANozGk+wl+Nop8GaLpr55NKNhezZ30MZql/eZgtAjsjnEqXXnUB86Qz3T7 xyCtJmYUDBknPR3YwohoCfuvtuYf9cnq5eIlBUH1CpXQZ1I0D6OYkxfho1XVOexuiZFh C5AVLA9vppURkIqBo3TB/BV0TCu34hwn3MzZfyJRlRJRmuViRkvlvZgmXxaxQ/W90TZR 2pjVZ+gtHoWBESMONde8nr9qVuIWW7GDzJENuSLwDAz3ybqUAZ0nCvpJNlkOVcyyJVOQ BDiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757763103; x=1758367903; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zhiOMZzJmlK07q9Yx4eHe//JB/+U6zF5S8d+vjc7i3g=; b=LkSQi+oLkXWtGVQ8fH0LobtEjTUCakx3fnugY5fW99J5GHTUf4GZZ1vHfvU218DaE7 lz3TQOke6glWD7HngQd1tik5L6wDABR2PFTdQtUi4eNKgwoV044VPdx6ySWYRX1LpfAR WpX+ZTnVRnVeOSfOEgyUQnDMjFL0UoH1RXZIAEvcmwgOjymvKbv673NSx8564H9YWUFN qi626pjPxO+Wu0J8fB/qCpcU6l94bpAmKGUimSJP5ph4Gz+5qhVb3Cf3xcJ1ZyNC2Ttq HohpTl5DAgv8+fFUm4xsG8JWQ2pVbiIVV5tqbgk2cVElNzV8KKJC+VNfGCVkyIpX/Gnm Q+Cg== X-Forwarded-Encrypted: i=1; AJvYcCWLpVD1JS1DjKdh1o85zGquQ8f38P4XoWfVqZfLN+MSrEPf18/lqRagrslXk0HDUT9Qzke0UgMflToY@vger.kernel.org X-Gm-Message-State: AOJu0YydIly2Ry3wPjwt9U/6+PTAUR7ZN3/Bdno6LQAh6ieXuQ9RKof7 f5/+B1UC3HaBLWQnPWrIvB8hS67MRIvtWaK6s5OrF3JSuLdWvBsudR+j X-Gm-Gg: ASbGnctbTllfuScHUKV6FmKBeVvaEdMZKkMKwrTZfr15QZ7mYF23TeOXUUWqqsrQDGt yI2nnI2A5pCzjgtCPk7N2zv8IF2WUVbJ22JlWOlK03ogjKLg0AV7jqr+JFyrGHEV5CJThjk9+eL ypAHgvtHevIjn6NF0Rzx3eX5+yOdgji92Yzuj19AvYyqft6+yZQMoj1ZgJcpfFTV+uGPxxGV0Rs ZaNZXBHgKjbDaOiQaanCWqTF2kfUxxTgHIWy0ZqBTzgy8xh8wXcGMfZyaih0U0KLae2urnRLaJX YTfO2h3SpZ5rzJkWD+V+9yxGvFCcnVpnEbtsHXneiGhtcHwzaW3do3tEzbG8ITrvlKyiaavc63h DtLfRaxY+9KvumDQsFHXXcQbbZ6rBOwFb0BsZ/vzRElJHvYb7rXgmAAut30asyZWXQQ== X-Google-Smtp-Source: AGHT+IHykb2wro/3EPEKGFRhfZdxz0R+s5067Brp4xRx1L5hET4V9Jhz88T1kD9l7Nn6Y1hOSTS1Sw== X-Received: by 2002:a05:6402:5204:b0:62d:b1c9:f0ca with SMTP id 4fb4d7f45d1cf-62ed80c9f05mr6124659a12.3.1757763102637; Sat, 13 Sep 2025 04:31:42 -0700 (PDT) Received: from jernej-laptop.localnet ([188.159.248.16]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-62f136cead7sm825431a12.36.2025.09.13.04.31.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Sep 2025 04:31:42 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andre Przywara , Chen-Yu Tsai Cc: linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] arm64: dts: allwinner: t527: orangepi-4a: hook up external 32k crystal Date: Sat, 13 Sep 2025 13:31:40 +0200 Message-ID: <5009461.GXAFRqVoOG@jernej-laptop> In-Reply-To: <20250913102450.3935943-3-wens@kernel.org> References: <20250913102450.3935943-1-wens@kernel.org> <20250913102450.3935943-3-wens@kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dne sobota, 13. september 2025 ob 12:24:50 Srednjeevropski poletni =C4=8Das= je Chen-Yu Tsai napisal(a): > From: Chen-Yu Tsai >=20 > When the board was added, its external 32.768 KHz crystal was described > but not hooked up correctly. This meant the device had to fall back to > the SoC's internal oscillator or divide a 32 KHz clock from the main > oscillator, neither of which are accurate for the RTC. As a result the > RTC clock will drift badly. >=20 > Hook the crystal up to the RTC block and request the correct clock rate. >=20 > Fixes: de713ccb9934 ("arm64: dts: allwinner: t527: Add OrangePi 4A board") > Signed-off-by: Chen-Yu Tsai Acked-by: Jernej Skrabec Best regards, Jernej > --- > arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts | 8 ++++++++ > 1 file changed, 8 insertions(+) >=20 > diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/= arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts > index fb5311a46c2e..f71860db83d3 100644 > --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts > +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts > @@ -393,6 +393,14 @@ &r_pio { > vcc-pm-supply =3D <®_bldo2>; > }; > =20 > +&rtc { > + clocks =3D <&r_ccu CLK_BUS_R_RTC>, <&osc24M>, > + <&r_ccu CLK_R_AHB>, <&ext_osc32k>; > + clock-names =3D "bus", "hosc", "ahb", "ext-osc32k"; > + assigned-clocks =3D <&rtc CLK_OSC32K>; > + assigned-clock-rates =3D <32768>; > +}; > + > &uart0 { > pinctrl-names =3D "default"; > pinctrl-0 =3D <&uart0_pb_pins>; >=20