From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f42.google.com (mail-wr1-f42.google.com [209.85.221.42]) (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 3784E407CDE for ; Mon, 29 Jun 2026 12:42:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782736959; cv=none; b=e8WrMxw63cLw5r3OMWiAkHnDTxpHv/+v7JEXXc3gn7xnLTB/jDkxHPKluS/TRVxdcP2yk6Ka/zNjWNrK8sVdHDOC/dGDyiygZEV0lMWdjXHXpTv9xOGCmMFbRdOMkCRSu7AkKq1MgkalNaMGemympBkg4dSSXmUr8EeEgM3UAi0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782736959; c=relaxed/simple; bh=FoMUBVpR32MtJZer6V8lgBnEQWSbZvsirk0xN6alb7w=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Go7bQQL9BeUKVkxAaTc1kNAGiYG2NnpNl+T1l/S6waBiXVM3DAYT+cjGSn8fTKSV0W50LLc4sj8FxP/EwTQjamYcu6CepooHOq8aBPA51lwqSCsLsrK8OC2mwsBtPe6bL7Dj5PNlK/iXrREplt2c1aPQM7vlFi97km9WG0aSxVE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre.com header.i=@baylibre.com header.b=oxMca8I7; arc=none smtp.client-ip=209.85.221.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre.com header.i=@baylibre.com header.b="oxMca8I7" Received: by mail-wr1-f42.google.com with SMTP id ffacd0b85a97d-474303f3c72so470473f8f.0 for ; Mon, 29 Jun 2026 05:42:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre.com; s=google; t=1782736957; x=1783341757; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=pw83rsiBFZIUZWx5sliCML1fBJ0c8WhT+nfZEUBGdLM=; b=oxMca8I7GdgmO4i914/lyl/hFCkTFtoMBubny5FlnhvelebvEQ3tX4Xx6AQ0Dd95HK D4wlOl5uNmHpl1o+gd6u45F+Hzd1fRHBEtu7ZYw6lLIXNCbvu0UoQPEdALmAc/84iXrp Eh/T8ncbfyFVwBT4t29ZmEbjQf+6S9AYYA6xHsaXAINByrPsjm1MsUhSu3gJr5CEWUvF OCyqpaNMMYUlQoeRXZkoSXgUob6HxJAPFwXMbZhGrn32fNxppaJ8HBPxz8vzYFbcRIaQ dyJR5kb5XjQWrXZOrOqXPCOYTQEutzGfNN4zPemi8DcztEbWXghOLoJr9rXxoU1ZpLkr GOHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782736957; x=1783341757; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=pw83rsiBFZIUZWx5sliCML1fBJ0c8WhT+nfZEUBGdLM=; b=qWFloxAXZaGwDysn1RbYDGQoV+pCO9K39xG3idaC9zp5lLkM0i2BFw679QHvA5OzGb YLpr4iUX2Q+tkg3JS2OaTJEAVSLzNpY9tbCL6kMTrsH7AuYB1UO2mwUVUV/knzNDno+o 1w2mjqoYvwjEFCjBKdRixXk+SfWH9IA9SRlgeTZEhJFdEpd1aYZKsrLCpx6HXpEhquMS dN3O3AsdVCT5+/x/igvtGCmvIGdFKyVLZBc1mAyM4UZ/cjGv74XLBJXAez3orPr2JlaL tpmtTPO0ciKIOg2/ZMvHafW233tsKuDknI2ug7m5MlZnm/TOkrRWvIz8T3n8jZaCRfY1 IMXw== X-Forwarded-Encrypted: i=1; AHgh+RqI+LJ9VemKdEYn0988PuVGos7t47p5oxim8YuD0dw5BC/TkBDMrRg6O+hQkiLVs38eE1FkzvmwXp6L@vger.kernel.org X-Gm-Message-State: AOJu0YzOPD4SDoVnMQkNRHSDT9T+teXtq2fdA5Dajpk6pCFodcH5pyvk 7ev0R/+uaquw8RYoqsJ1p2LKMynHjyczbwb9pAT0wciXChthAm0Ooud1KBN62mFnRMI= X-Gm-Gg: AfdE7cloGoaFJMHWQItiazFvY/rKv+ClvtTLVxkvHRx/MzOiAkMQqiigNkMDzqmcYC9 q6kOqVXyq998f7gVRGnVAYTOy0OBKwwXpj4a4rF8JwHhQC8T97lpDdEIY+FOX7WROZIwMF8fkQz 3BTIgOTdaIfHyNuBUdsN+3tRLnwhkcMB759zqVACg+UDJfIs8E2dG9tj4cQrf68muHi1hohhdQs yz5CYiPo3jaluCT0+ENnc6oADT+nMHjdcTYzvU/m8+ijVqKzpnHgvxGzy7Tb9WyyGVStcW+dPwK uG5AGPCEy4vdTV/z8qtAVn07xuoVfm/DPjsuftEtPkYsqqvWaIeOANWNAz4El8xErfty83frhi9 AlBLc+9lEkByj5eD0fKJcbPMvm5Kr7NGzG3HKWJAwCLnBr3QLKH0GYQTorRQYZA/2uH/3WRWFf0 gPCjQqf8tVG2Y= X-Received: by 2002:a05:6000:2c0b:b0:466:6ed8:1e1b with SMTP id ffacd0b85a97d-46dc263a79fmr26849485f8f.21.1782736956641; Mon, 29 Jun 2026 05:42:36 -0700 (PDT) Received: from localhost ([2a01:e0a:3c5:5fb1:1d21:f5d5:2d3c:23a7]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-46f9db29b15sm21643420f8f.18.2026.06.29.05.42.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 05:42:36 -0700 (PDT) From: Jerome Brunet Date: Mon, 29 Jun 2026 14:42:08 +0200 Subject: [PATCH v2 4/6] clk: sunxi-ng: div: add read-only operation support 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-Transfer-Encoding: 7bit Message-Id: <20260629-a733-rtc-v2-4-7b72112784f8@baylibre.com> References: <20260629-a733-rtc-v2-0-7b72112784f8@baylibre.com> In-Reply-To: <20260629-a733-rtc-v2-0-7b72112784f8@baylibre.com> To: Junhui Liu , Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Michael Turquette , Stephen Boyd , Maxime Ripard Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Jerome Brunet X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1337; i=jbrunet@baylibre.com; h=from:subject:message-id; bh=FoMUBVpR32MtJZer6V8lgBnEQWSbZvsirk0xN6alb7w=; b=owEBbQKS/ZANAwAKAeb8Dxw38tqFAcsmYgBqQmgvEGszTwRXVQ3roYF7XUovP55Mn6aarufxX 8kePw4A99SJAjMEAAEKAB0WIQT04VmuGPP1bV8btxvm/A8cN/LahQUCakJoLwAKCRDm/A8cN/La hTF3D/wL66zdurLSHBXauyOo/Zxl5eIu+ExlDjOXHuoU9nsyPbxB/Fvr5arOgZKgvkzeEFBeNyD rAJUqyTmc6DVlZirO2UJrSavRMrcf+PRwdB+UnjMkSCdqVrVRG57FRA69nk1XXGZooC99EBbYdG bhssIXwrI+pW1uDUGU5nLIn5+FoTUHgyM1DL9Wldf6WnJjpfYxvSmQLtGGwBK6Jp80BbtvgBVka FTJVT0SjaBvXOqJOYhqJaAHPveNEpUEhV1DgPiydlgT0i88N6GkXizHXfgPNom3dpTjQ1vPrRum QCL5QHaaIPndE7AZcGSyZAQ4OaxI/yEOEIbKFlAggihe0wBUWdf9tH9wiUVdvDZWrpErGfeD92F c9w3gkhEKwy47mVjQJcH9gGIF+CTmr3ND2kG3EzotXk+61Ok3LmVZcKWPSDrddLk2rY4x6LNqh9 dJyxjsiE4Ee3WyWGcaDN1ajaqAavcA25KwmSg3BooXCtZPsk9rMDvcvylni/8+CoIqKYOwNwh7c xdUuJ66mrS6VvpM8TLvIHuoyK2t9uhapPTa7a64zx7i4RW6FP+20MIBepUl4nU8BvisqT3l+iKy AfZQswZZ7g+C8UCJH2Xb000LCLKJRgS/Ym4EDI5eEbwLYMTbotAmQnFlaOzSmJoxoU3bav2VMNW v1fkXBQp4GKAnTQ== X-Developer-Key: i=jbrunet@baylibre.com; a=openpgp; fpr=F29F26CF27BAE1A9719AE6BDC3C92AAF3E60AED9 Add support for sunxi-ng read-only dividers. This will be useful to the a733 oscillator detection logic. Signed-off-by: Jerome Brunet --- drivers/clk/sunxi-ng/ccu_div.c | 11 +++++++++++ drivers/clk/sunxi-ng/ccu_div.h | 1 + 2 files changed, 12 insertions(+) diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c index 62d680ccb524..0e3d9e6e30fb 100644 --- a/drivers/clk/sunxi-ng/ccu_div.c +++ b/drivers/clk/sunxi-ng/ccu_div.c @@ -143,3 +143,14 @@ const struct clk_ops ccu_div_ops = { .set_rate = ccu_div_set_rate, }; EXPORT_SYMBOL_NS_GPL(ccu_div_ops, "SUNXI_CCU"); + +const struct clk_ops ccu_rodiv_ops = { + .disable = ccu_div_disable, + .enable = ccu_div_enable, + .is_enabled = ccu_div_is_enabled, + + .get_parent = ccu_div_get_parent, + + .recalc_rate = ccu_div_recalc_rate, +}; +EXPORT_SYMBOL_NS_GPL(ccu_rodiv_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h index be00b3277e97..a30a92780a05 100644 --- a/drivers/clk/sunxi-ng/ccu_div.h +++ b/drivers/clk/sunxi-ng/ccu_div.h @@ -300,5 +300,6 @@ static inline struct ccu_div *hw_to_ccu_div(struct clk_hw *hw) } extern const struct clk_ops ccu_div_ops; +extern const struct clk_ops ccu_rodiv_ops; #endif /* _CCU_DIV_H_ */ -- 2.47.3