From patchwork Sun Dec 17 11:09:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingbao Qiu X-Patchwork-Id: 755183 Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) (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 9742D12B7F; Sun, 17 Dec 2023 11:09:57 +0000 (UTC) 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="NKmCCQ1x" Received: by mail-pf1-f179.google.com with SMTP id d2e1a72fcca58-6ce72730548so1991978b3a.1; Sun, 17 Dec 2023 03:09:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702811397; x=1703416197; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=W+EtlZiwlm8KczOLlitJXiVEJHfbSu/VD6TJIFG6u3g=; b=NKmCCQ1xTxAnV1KaakqJCKJpjE31XY7yMCP4z2+MlXfPgESTnBcDPAKCEoMZYQ2sz9 uKG/XhnjkApJ2ydTQcYBt6CtMTzYZsDgz0V6A28MtqnL/7Q32BTq/dMo135yDDkKKWQ6 SPYQeWBrLskklZBDfR8ZvrlSgq0/ChpyVAjNsP1T4vkWhIVl019td2cP7dJ17wg+L9VY VVoTUx/OeovDBDmvxEW0xGaXGGPLroUL2avQZ45NA+Zlt1r9kFHBxyzbAxW4vo9KuULR WdQIMqgU0pSs1hxxNcGkk+DLF+SvtBw2NGhw3eVCINVqlq18PRwzqX4xdoc/kaqDF+oz vA5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702811397; x=1703416197; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=W+EtlZiwlm8KczOLlitJXiVEJHfbSu/VD6TJIFG6u3g=; b=RiV65ZRpb0QLMMmMGT5s0JmGa4ZblYLeH9ROjznth/fDDaPvZbVX5spYqQRv+/k7l/ m4XEJ7DCQvsnC7x6MDVNZpl9hCv9sYaP/WLAOl+UCuBq7ufEoqzTXLFt+TIsdOo7Ovgz 1CUrau2B+jAou6Y2TdCm6wonB/uK+3hJ37Qk37ie0WYxrw2/exh/5IHuYyY9ncmKrqym 3WlMl6RkjfJ1n/qNBTX+Zv73bdsCKgiyspb+GZaMnKpl4JCWEIKdkebMxUAXxMcAmyEU /L5WWd444BF00eEIHSJiLSKhTK6pBXkA0EVtkjjsPzcrjAdJm6WpKci8GMcyd/V4TTAm hh3Q== X-Gm-Message-State: AOJu0YxIf0fuKh8HXdJiTK5L7Ln/JI8GHPiaTUqP8EwZNlsQTmfA6NNr QjHezu/5RR30/4p8wNTGlCs= X-Google-Smtp-Source: AGHT+IFsZLc8+AH/LNmidkz/F6vMB7TgSOPB/fvu8X4pUlf/tSmLZK4iHAZwwbHxM/0UPpQehQHTxg== X-Received: by 2002:a05:6a00:4b4a:b0:6ce:2731:e86f with SMTP id kr10-20020a056a004b4a00b006ce2731e86fmr16473766pfb.54.1702811396604; Sun, 17 Dec 2023 03:09:56 -0800 (PST) Received: from localhost ([2404:7ac0:4b9b:50b6:60f7:12fd:f360:3ff8]) by smtp.gmail.com with ESMTPSA id a5-20020aa78645000000b006d6bd97ba73sm412351pfo.159.2023.12.17.03.09.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Dec 2023 03:09:56 -0800 (PST) From: Jingbao Qiu To: a.zummo@towertech.it, alexandre.belloni@bootlin.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor@kernel.org, conor+dt@kernel.org, chao.wei@sophgo.com, unicorn_wang@outlook.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dlan@gentoo.org, Jingbao Qiu Subject: [PATCH v2 0/3] riscv: rtc: sophgo: add rtc support for CV1800 Date: Sun, 17 Dec 2023 19:09:49 +0800 Message-Id: <20231217110952.78784-1-qiujingbao.dlmu@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This series adds rtc support for Sophgo CV1800. Changes since v1 - fix duplicate names in subject - using RTC replace RTC controller - improve the properties of dt-bindings - using `unevaluatedProperties` replace `additionalProperties` - dt-bindings passed the test - using `devm_platform_ioremap_resource()` replace `platform_get_resource()` and `devm_ioremap_resource()` - fix random order of the code - fix wrong wrapping of the `devm_request_irq()` and map the flag with dts - using devm_clk_get_enabled replace `devm_clk_get()` and `clk_prepare_enable()` - fix return style - add rtc clock calibration function - use spinlock when write register on read/set time Jingbao Qiu (3): dt-bindings: rtc: sophgo: add RTC support for Sophgo CV1800 series SoC rtc: sophgo: add rtc support for Sophgo CV1800 SoC riscv: dts: sophgo: add rtc dt node for CV1800 .../bindings/rtc/sophgo,cv1800-rtc.yaml | 47 ++ arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 7 + drivers/rtc/Kconfig | 6 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-cv1800.c | 400 ++++++++++++++++++ 5 files changed, 461 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml create mode 100644 drivers/rtc/rtc-cv1800.c