From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from SHSQR01.spreadtrum.com (mx1.unisoc.com [222.66.158.135]) (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 E238E20DDB for ; Mon, 22 Jan 2024 08:18:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=222.66.158.135 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705911508; cv=none; b=n17SSIQ9IANOpRl1/mJve1znqtvKFaSb7tqOf4xeEjxoxz4YOY4Yld/bqdXBBGeji3sGX3EOHs5r6Q1Y5bA5hztWqQZY1/XG3QwXmgruFM3J0uHfo75s8Qz5H18DG4Qb2q6+CzN0f/GC2CXCdnUdE2DAVZvzCsxKSRv7UIWZANs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705911508; c=relaxed/simple; bh=Qpw7KJX/Is2HHYHC6lOg/lrTzU2zu5gCPJVq3BvXVhs=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=l67CsYonzinyx4OlxYRcuc8T95Nz5fbjZTQHy8+ZbfkuHJTH7S/J7aK5tM5zje30TKlRC67/+UJQsDQAG1+DYq+EBABuj6RtyQZs+XCqgw/jTNr0gf7Qtg0LkCGKhnL4HK1qjFaV93D0/HEZSNomTVYJ0jaTyO3kV4YH5UV7yfI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=unisoc.com; spf=pass smtp.mailfrom=unisoc.com; arc=none smtp.client-ip=222.66.158.135 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=unisoc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=unisoc.com Received: from dlp.unisoc.com ([10.29.3.86]) by SHSQR01.spreadtrum.com with ESMTP id 40M8I3gN055310; Mon, 22 Jan 2024 16:18:03 +0800 (+08) (envelope-from Wenhua.Lin@unisoc.com) Received: from SHDLP.spreadtrum.com (shmbx06.spreadtrum.com [10.0.1.11]) by dlp.unisoc.com (SkyGuard) with ESMTPS id 4TJNFc2T3hz2Rb68H; Mon, 22 Jan 2024 16:10:44 +0800 (CST) Received: from xm9614pcu.spreadtrum.com (10.13.2.29) by shmbx06.spreadtrum.com (10.0.1.11) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Mon, 22 Jan 2024 16:18:01 +0800 From: Wenhua Lin To: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= CC: Orson Zhai , Baolin Wang , Chunyan Zhang , , , wenhua lin , Wenhua Lin , Xiongpeng Wu , zhaochen su , Zhaochen Su , Xiaolong Wang Subject: [PATCH 0/6] pwm: sprd: Modification of UNISOC Platform PWM Driver Date: Mon, 22 Jan 2024 16:17:48 +0800 Message-ID: <20240122081754.17058-1-Wenhua.Lin@unisoc.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To shmbx06.spreadtrum.com (10.0.1.11) X-MAIL:SHSQR01.spreadtrum.com 40M8I3gN055310 Due to new usage scenarios, some upgrades are made to unisoc's pwm driver. Patch 1 supports the change of channel offset on UMS9620. Patch 2 supports more brightness levels (duty cycle) for backlight control. Patch 3 optimizes the calculation method of duty. Patch 4 converts dt-binding file from txt to yaml Patch 5-6 update pwm-sprd.yaml according to patch 1 and patch 2. Wenhua Lin (6): pwm: sprd: Add support for UMS9620 pwm: sprd: Improve the pwm backlight control function pwm: sprd: Optimize the calculation method of duty dt-bindings: pwm: sprd: Convert to YAML pwm: sprd: Add sprd,ums9620-pwm compatible dt-bindings: pwm: sprd: Add sprd,mod attribute .../devicetree/bindings/pwm/pwm-sprd.txt | 40 ------- .../devicetree/bindings/pwm/pwm-sprd.yaml | 106 ++++++++++++++++++ drivers/pwm/pwm-sprd.c | 71 ++++++++++-- 3 files changed, 165 insertions(+), 52 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-sprd.txt create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sprd.yaml -- 2.17.1