From nobody Thu Apr 2 18:53:27 2026 Received: from mail-ua1-f73.google.com (mail-ua1-f73.google.com [209.85.222.73]) (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 E3367224AF2 for ; Thu, 26 Mar 2026 20:04:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774555496; cv=none; b=BU1+0ZuG9XsGnSu53CUAMxiOyz6YcKKNLw7WysJYkFO0KZ/Zjf7epk5OLjYj3UJrxIUzFz87f1rx3Yrkr4GzluuDxXaeC3+T/v4zpJc0hocN5KLWsv5R0FztEMc9uCXzJYWBKPDLAV+TY6QGGFGNgXiTWL3nVaGbVTDTwn9RJaA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774555496; c=relaxed/simple; bh=QaKKbCcJMgekZSc5+8aGKpYxuiEwDbDAhp6CDgKHl60=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=KKbRLYFQupKIZBvGFkiovo0GhMk6rlSzQMXoj9KQcD7J0ciU8wG2BplinCCOzcyGwjzpISZKuy7n7mHrVAJ0db/8Ru6TcyefF+N3qX9MALgSxrrPnWOBNz+NYSRRvPb+8dvnC0QX28zU6HROd6KxpEd4joZIyCLXqXSN0LwSICo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--moritzf.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=OJWGw6R6; arc=none smtp.client-ip=209.85.222.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--moritzf.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="OJWGw6R6" Received: by mail-ua1-f73.google.com with SMTP id a1e0cc1a2514c-9518cf3768aso457056241.2 for ; Thu, 26 Mar 2026 13:04:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1774555494; x=1775160294; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=XmfpOWHILBNPoUIFigWXCvXcdE+KdaoK2IRTSOIkuFQ=; b=OJWGw6R6gb99dfWFKXC9cxtk/7GgkNiV1QN0mJNnMTgRpdSW4jsUdeZjJIVELcIxpc rA3mujhTMSkgQoOSit8QzygyzTfYJbQLh4rGaGh1jaYrImrPu5StlMGcXDDm/FTVGHbF T1Tzh1ZZOqPAYUssbVhw7Ws/3cSuLcuq2jXzC3Fahyb9EZiIqjP9JpgUuZJ8+zeRf1ZP JBQ+SmuF9Jpx46w38WiqmgBgR7qvIzTfV3JILumr85NqrE9XKkLlbXHcEsFQLExaMMP1 t9Te3Su/axjhnW/v19qsHNuHYtOj+82myfG65snux8fDk108P42UMSWVnsXQnStjHDPX I1+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774555494; x=1775160294; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=XmfpOWHILBNPoUIFigWXCvXcdE+KdaoK2IRTSOIkuFQ=; b=qulvZM0CslY8YqF8XKW2TUJNtl/OKkWMdUMDZeUueBxFEkihhKODgCpErZWDwzzRXS iOj8ZVVXH8WEo6IBljOBg7BM4HLFKjKP2pVmro8jQg8KFP+Gywu091+A8KduGngf67xU r2oGTgcQn/xNTZN6UpczxJ4xYsAWVCJQr1Mnj2YWZ8tkfs74dzOFruNUMcGYA2WuuUe/ bpMho/e23xAYPVixa+CiZ7pWFsULtOUviWL2sk87HCcGRJo7nih5kwJPfO8PRMGQ+l/n Wsv9AKIWtDLYdfundJ6M/Y/ztAUV45V6f+wm/Z+FkyQAE7sZc+mReQgnsmJMXUU95v0A kG4g== X-Gm-Message-State: AOJu0Yzuoh+aPiwTC3hIRsprRnihTH658AGT8aRQbTvo/qrgtHjZcVkC 87NAhhT7atHXgWZtBD5x6KJ4KZSCNorVKY46uSlhZQ7AzyE8D4wtdaGEWciqexzo9NjQ5IOrtcO 3nsvHnYl8Lg== X-Received: from uaaq11-n1.prod.google.com ([2002:a05:6130:834b:10b0:951:94f8:e12]) (user=moritzf job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6102:5808:b0:602:9977:a4e3 with SMTP id ada2fe7eead31-603948182c9mr4252179137.33.1774555493607; Thu, 26 Mar 2026 13:04:53 -0700 (PDT) Date: Thu, 26 Mar 2026 20:04:51 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.53.0.1018.g2bb0e51243-goog Message-ID: <20260326200451.2904375-1-moritzf@google.com> Subject: [PATCH v2] i2c: designware: Add a new ACPI HID for GOOG5000 I2C controller From: Moritz Fischer To: linux-i2c@vger.kernel.org, andi.shyti@kernel.org Cc: linux-kernel@vger.kernel.org, mdf@kernel.org, ovt@google.com, Moritz Fischer , Mika Westerberg , Andy Shevchenko , Jan Dabros Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Define a new ACPI HID for GOOG5000 as used on Google Axion. This has been validated on Silicon. Acked-by: Mika Westerberg Signed-off-by: Moritz Fischer Reviewed-by: Andy Shevchenko --- drivers/i2c/busses/i2c-designware-platdrv.c | 1 + 1 file changed, 1 insertion(+) --- Changelog from v1: - Added Mika's Acked-by Cc: Andy Shevchenko Cc: Jan Dabros A DSDT excerpt is here: Device (I2C0) = = =20 { = = =20 Name (_HID, "GOOG5000") = = =20 Name (_UID, 0x00) = = =20 Method (_STA) { = = =20 Return (0xf) = = =20 } = = =20 Name (_CRS, ResourceTemplate () = = =20 { = = =20 QWordMemory ( = = =20 ResourceProducer, = = =20 PosDecode, = = =20 MinFixed, = = =20 MaxFixed, = = =20 NonCacheable, = = =20 ReadWrite, = = =20 0x0, = = =20 0xA02048000, = = =20 0xA020480FF, = = =20 0x000000000, = = =20 0x000000100 = = =20 ) = = =20 Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) = = =20 { = = =20 109 = = =20 } = = =20 }) = = =20 ... = = =20 } = = =20 = = =20 This is being used by SoCs powering Google's Axion product line. =20 diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/buss= es/i2c-designware-platdrv.c index 426ffec06e22..3351c4a9ef11 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -268,6 +268,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = =3D { { "AMDI0510", 0 }, { "APMC0D0F", 0 }, { "FUJI200B", 0 }, + { "GOOG5000", 0 }, { "HISI02A1", 0 }, { "HISI02A2", 0 }, { "HISI02A3", 0 }, --=20 2.53.0.1018.g2bb0e51243-goog