From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F13A55339B; Mon, 27 May 2024 07:51:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716796299; cv=none; b=t/TQeH/OWqBuQ2aowc59/FR3cwcS6KRGEqQOt+SxYYR9XnXrAi+PM+jmQ4OviMyu9qpAe5LG8ZBnitnVhDUcDQ4aQpaKR2bq3gXayNi4nVB53YAY/u36UkAW9KlNm/i8ZpoM/bZshHrzUVPZ8HAJ2Dh+pUjaTHkW40lINsWltKk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716796299; c=relaxed/simple; bh=9zRpQfat7Oli3vay5767wDuuEKHzrn0huIwJEQ3gjfA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=bFdsQZhn3nir4w0Sm0Giudca03E2DyoWJPnCzvju3NoPjHXA7LK/09lNsj4nBON6YjOioaBTmNkMKpuq8FxWcBjt6ESUsGUuGB664fnZIVOlBWF51Aj9P7DeFzIkF7P6DTUGJ5czEUhvvE4chtl3rNYqG5nfUOWy9rlRUk5ZeJo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [112.20.112.247]) by gateway (Coremail) with SMTP id _____8DxzOqHO1RmkR8AAA--.433S3; Mon, 27 May 2024 15:51:35 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.112.247]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxBMWCO1RmyeMKAA--.17909S2; Mon, 27 May 2024 15:51:32 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Juxin Gao Cc: Huacai Chen , loongson-kernel@lists.loongnix.cn, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, Xuerui Wang , loongarch@lists.linux.dev, Binbin Zhou Subject: [PATCH v4 0/2] pwm: Introduce pwm driver for the Loongson family chips Date: Mon, 27 May 2024 15:51:10 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:AQAAf8AxBMWCO1RmyeMKAA--.17909S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoW7uryDurykCFW5WFyxZF4rCrX_yoW8ZF4UpF Z8C343Kr18tr129rn3X3W8CF1Sva1fJFsrGFs3t348Wa98Ca4jq3y3Kw45ArZrur12vFy2 vrZ3CFWUKa4UurXCm3ZEXasCq-sJn29KB7ZKAUJUUUUr529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUU9Yb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07 AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWU XVWUAwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7V AKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMxCIbckI1I0E14v2 6r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIx AIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIev Ja73UjIFyTuYvjxU2MKZDUUUU Hi all: This patchset introduce a generic PWM framework driver for Loongson family. Each PWM has one pulse width output signal and one pulse input signal to be measured. It can be found on Loongson-2K series cpus and Loongson LS7A bridge chips. Thanks. ------- V4: patch (2/2): - Rebase on pwm/for-next; - Addressed Uwe's review comments, thanks. - Make use of devm_pwmchip_alloc() function; - Add Limitations description; - Add LOONGSON_ prefix for Loongson pwm register defines; - Keep regs written only once; - Rewrite duty/period calculation; - Add dev_err_probe() in .probe(); - Put the parameters used by PM into a separate structure(pwm_loongson_suspend_store); - Fix some code style. Link to V3: https://lore.kernel.org/linux-pwm/cover.1713164810.git.zhoubinbin@loongson.cn/ V3: patch (1/2): - Add Reviewed-by tag from Krzysztof, thanks. patch (2/2): - Several code stlye adjustments, such as line breaks. Link to V2: https://lore.kernel.org/all/cover.1712732719.git.zhoubinbin@loongson.cn/ v2: - Remove the dts-related patches and update dts at once after all relevant drivers are complete. patch (1/2): - The dt-binding filename should match compatible, rename it as loongson,ls7a-pwm.yaml; - Update binding description; - Add description for each pwm cell; - Drop '#pwm-cells' from required, for pwm.yaml makes it required already. Link to v1: https://lore.kernel.org/linux-pwm/cover.1711953223.git.zhoubinbin@loongson.cn/ Binbin Zhou (2): dt-bindings: pwm: Add Loongson PWM controller pwm: Add Loongson PWM controller support .../bindings/pwm/loongson,ls7a-pwm.yaml | 66 ++++ MAINTAINERS | 7 + drivers/pwm/Kconfig | 12 + drivers/pwm/Makefile | 1 + drivers/pwm/pwm-loongson.c | 295 ++++++++++++++++++ 5 files changed, 381 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/loongson,ls7a-pwm.yaml create mode 100644 drivers/pwm/pwm-loongson.c -- 2.43.0