From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (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 49A073B7779 for ; Thu, 7 May 2026 13:39:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778161199; cv=none; b=bvZhEZjtFgFQ5wMBduMMCKn4gYeQJ9HMpqwk0LCOaPUYZNWPRWEdL57RKq6lK/Z8HecXKsRMQYRtj0u1/zeIrfhY2Vi+pX26niF1hQp+dn9Q5j3o37b+NR/ThlponfWiyMPRzqyak26cau0tq+BzL45kqzHQY5jTiXb6DCTlfPo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778161199; c=relaxed/simple; bh=Lq7eUiWFKj95v2c2sZF+v3aWLZBrRI+12OakDhzgq5E=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=D1CS98ZMa7sRPUxV5HbHZ38j2tg2tSYC2sgIrrAnynK4RVyOpC2jcx1Gtp3g5tFFipcOUQcPqdJ5E/6kWqjhLlu5HFG0RlkctStu/l77XzMt3wED/y1NFTX6ENQ55/bzP58Ks1tPpA5ip5/eCbcToxzP9mfIXp5Aa3D7LyXbDOc= 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=c7wsHy//; arc=none smtp.client-ip=209.85.128.43 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="c7wsHy//" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-48a563e4ef7so8192695e9.0 for ; Thu, 07 May 2026 06:39:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778161197; x=1778765997; 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=SPA+LLX6qYoxBmVriOaB3MiHKb8MVNqNzPi6YOAz66I=; b=c7wsHy//LED7pF6Jx+SRSP9Px7v6JkbXZAK8wHuptnLaHewq8PKZhWrmQskIOWBCvf 27C/c5UFIvTADXB3kN4T/K1sYxTTeRKWt3oYFulwJNV2fjF6gjejSZNgeE+aiV2SVNl7 FoNXfzSm/rwOoyrM7uQMm/XPbkIDkd9qK5zYt7H7vSGX/YNgTQgZlGJtPXaAHS8+o6EQ hz4TxsQU3K62JjZZgcHGgFNtIk4qVUrFOe17/CP9D34q8IbCGpgawKW5HlTGxUSdjjqZ vbD7jF+wO70FLCicE69PAxXQnHToqrMf74IMvjw7mHRTDRVNG6Lx48McGYhbEDznGn12 LyDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778161197; x=1778765997; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=SPA+LLX6qYoxBmVriOaB3MiHKb8MVNqNzPi6YOAz66I=; b=KXvCDCizPmkXGE1cpCMOzpdlv9xQhCsp1kveBQNTUblRsM8gP6EXdzcyiU4LSi+by1 XAlr7hqrA05KSNmxtBHUyFumAcAfOJTKrY/8q1jIo+lt51vbzwYpVZ+4FQTxdiqCN9Na Kqk+112z1+cExMYzNqRIc0IbhncQhNgGWbmVXwN3R2PZikxAUFIIqtIT3Ox/9IQQ2RmS xo/gZyfTnwNVZsc0oT3nNHINv0nirhQh/RoduxFaZ8CysQfmznL+15cXD+sD+g6dLcX6 Iuie5QKyirqhGSYtVi0J8C1Ws8yI3zUUQ9LD85SnDG/Jnd0gi034WvXAr8AwwhnOXIsT 8Hqw== X-Forwarded-Encrypted: i=1; AFNElJ84MTjqaYOX18GouF5eN43sJdxGkveYiLLBvaRTxonDFWfTSt9WXrD9reBunVwrsKBpBEvNwykF2xra@vger.kernel.org X-Gm-Message-State: AOJu0YxO7kmiJuAu3hBVad3QQVtCldZHQt4PEIuJSotLPKXnMguJdyy4 paCsb97wI5k7Ou+fEgW0Hh4YZkB2uMLRbQhNDqMwUMCLsmFERSgzNk/O X-Gm-Gg: AeBDievEH6QfgvMRHUaMEzRMCITvNXbEHRtvX4qqKJa0v7IFB7BrNB/snW6cWXgzQsX IP7OGi3s3FK5BadqWQC1LIcYT9gCyrt0iCxnoZzWAOsPlBYRWXweMR9GJYXj52+CaV0gzljRCro X3Ofj2gOdoqGXme5i0SFQzfSrHC1OCKQVm9AaLQFbjs/EMn/gnn1jaVRvsNAB5eNSKa899RTVuP e7gXnwrpKpWlBPiB9esdUXL2X+cXOmQE3THbT9Sa6Sz6tJ/2OOEkdUgTgF4qVZ3EHJ6sPOZobzA 5lOnfRYjpvbTFiVFU/k1n72rCczWqW3109/rQT6TKaDm/0deZxNeLQ19+TVbGAbqV1KP9TAYEhH cyRyaNTLVFbGY+XH7fGKlxAYkhQrT0cOqLrlfyl2T5pQcl6u4+cbVPNEkpIAPbq3pwYNL4zxpsw SQILeIYVFXQd268aHwuZaR7kyJJhNRz3T+7Q== X-Received: by 2002:a05:600c:1d11:b0:48a:7f90:2231 with SMTP id 5b1f17b1804b1-48e51f364f3mr137152565e9.19.1778161196412; Thu, 07 May 2026 06:39:56 -0700 (PDT) Received: from xeon ([188.163.112.56]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48e530b05d9sm58003145e9.3.2026.05.07.06.39.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 May 2026 06:39:55 -0700 (PDT) From: Svyatoslav Ryhel To: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , Svyatoslav Ryhel Cc: linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 0/2] input: misc: add support for Imagis ISA1200 haptic motor driver Date: Thu, 7 May 2026 16:39:46 +0300 Message-ID: <20260507133948.75704-1-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The ISA1200 is a haptic feedback unit from Imagis Technology using two motors for haptic feedback in mobile phones. Used in many mobile devices c. 2012 including Samsung Galxy S Advance GT-I9070 (Janice), Samsung Beam GT-I8350 (Gavini), LG Optimus 4X P880 and LG Optimus Vu P895. The exact datasheet for the ISA1200 is not available; all data was modeled based on available downstream kernel sources for various devices and fragments of information scattered across the internet. --- Changes in v4: - added INPUT_FF_MEMLESS option selection - fixed missing clock status set - guard start/stop calls in isa1200_play_work with lock - clamp ldo voltages to allowed range - fixed imagis,pll-div parsing - dropped Tested-by from schema adding commit Changes in v3: - added clock state tracking - dropped level check in vibrator close - added clkdiv clamping - added comments regarding registers 5 and 6 Changes in v2: - imagis,clk-div switched to accept actual divider value - dropped DT header - adjusted imagis,period-ns range - initiated hctrl0 and hctrl1 values in isa1200_start - fixed situation when PWM might return -EPROBE_DEFER to be treated properly - added chech a clock or PWM is available - fixed regulator voltages check being off by 10 - added chech if state.period is not zero - added action call to disable clock and gpios on error - used managed version of work init - added work cancel on suspend - PW calls are done under mutex lock --- Linus Walleij (1): Input: isa1200 - new driver for Imagis ISA1200 Svyatoslav Ryhel (1): dt-bindings: input: Document Imagis ISA1200 haptic motor driver .../bindings/input/imagis,isa1200.yaml | 140 +++++ drivers/input/misc/Kconfig | 12 + drivers/input/misc/Makefile | 1 + drivers/input/misc/isa1200.c | 540 ++++++++++++++++++ 4 files changed, 693 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/imagis,isa1200.yaml create mode 100644 drivers/input/misc/isa1200.c -- 2.51.0