From nobody Tue Jun 16 14:54:55 2026 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (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 642FE39C008; Mon, 20 Apr 2026 11:45:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776685561; cv=none; b=doo4MfFOkG+Skvk84WJ9fNU1aaA07LJmQ30SyEzrofJOEXVyXWR513W5BkutepIpOuGQuoGzsk4ZfP9KrAfeYjtGgm0C8EE/DLMwyM0YFgy6nUbtyBrNfJnSIlKGq5ygFd2tAQZ6uevsPJBGfkMVJXwXgxBKTQD/WdFrsm5l6Hw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776685561; c=relaxed/simple; bh=6+8ztpBvW0SmkNNBsYFtl+tFv50QFcSZtRGui3YpWEQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pRxUvp7XLmNSJ1sL0mlx7CEupFeXAVR43xf4Bbo8SpC2KTZk9nlKm3cw8U09ouke7vd6RAx6aJisQarmTKY+6cpGK4ahIKfVKglP9zCL2UgTfl9pOj3M041KTyR01BASaaMiQwUc+q4eEh6j9JcdZVkVPIhEZSXIQv0djJgF/+w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=u+AbkmXq; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="u+AbkmXq" Received: from francesco-nb.. (xcpe-178-82-120-96.dyn.res.sunrise.net [178.82.120.96]) by mail11.truemail.it (Postfix) with ESMTPA id E8D5C1FCF0; Mon, 20 Apr 2026 13:45:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1776685549; bh=QRaxp2u1Z/wpw5MjAmCSXTsAW0bnoQf2guR6EiD40n4=; h=From:To:Subject; b=u+AbkmXqSzN9gNkR9uVT4wmss+1qmZZ8iBvS1820IhADeJpcPqUilkbjnTYqkbJIu ynWI0C9iPBbSYtC90nZ4GBedTMDbJkQixNgo5toCkymaxSq3Qjss1FViZGt1MHxTxM HSQPz0rOBBxwtWahfzz0Ghd4mEw307SLaxP9mx5d4jm68eS8q609t6D0VPNhLv27Hj NPz679KyX7vE+gB6f3+cGkP94QjnuPBLBfzpBFB+tyodAzkCZKNLmAQhoorgJ0JLw1 UZp1AYF+bphvWNEalmP8I0+1iP9mwds9WFb33mgUz7NKQKxworaYERjbkHriIrZd9D foWxAkdKm7SVQ== From: Francesco Dolcini To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Brown Cc: Francesco Dolcini , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org Subject: [PATCH v1 1/2] dt-bindings: trivial-devices: add toradex,lava-hat-spi Date: Mon, 20 Apr 2026 13:45:35 +0200 Message-ID: <20260420114537.78160-2-francesco@dolcini.it> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260420114537.78160-1-francesco@dolcini.it> References: <20260420114537.78160-1-francesco@dolcini.it> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Francesco Dolcini Add a compatible string for the SPI loopback device present on the Toradex LAVA HAT test fixture. The Toradex LAVA HAT is a board used for automated hardware-in-the-loop (HIL) testing, it provides several test-related functionalities, and exists in multiple variants depending on the board it is mated with. The SPI function is implemented with a loopback on the MISO/MOSI signals. As the device can be fully described using only "compatible" and "reg", it is appropriate to list it under trivial-devices.yaml rather than introducing a dedicated binding. The SPI implementation is identical across all Toradex LAVA HAT variants, so a single compatible string is sufficient. Link: https://lore.kernel.org/all/20260310133254.GA51497@francesco-nb/ Link: https://lore.kernel.org/all/20260316073547.11437-3-francesco@dolcini.= it/ Signed-off-by: Francesco Dolcini Acked-by: Conor Dooley --- Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Docum= entation/devicetree/bindings/trivial-devices.yaml index 23fd4513933a..95e78ff804af 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -519,6 +519,8 @@ properties: - ti,tps546d24 # I2C Touch-Screen Controller - ti,tsc2003 + # Toradex Lava Hat SPI + - toradex,lava-hat-spi # Winbond/Nuvoton H/W Monitor - winbond,w83793 =20 --=20 2.47.3 From nobody Tue Jun 16 14:54:55 2026 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (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 641E939935D; Mon, 20 Apr 2026 11:45:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776685560; cv=none; b=VnWZMLs3rXX0h9/OAWV3F7yoNdDOXKW84INjg3reLo4iW4dyJb1tevpirFRZtZefIryOr62oDm3SKB9TYEygO8WdRJchFyTrdI/6vjMpkVzu/h5kWSdZCRZIaVExxYaULrN8WN6FyOcDbObG2CAdb1hAeHELmJWqtKisYq2sF+M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776685560; c=relaxed/simple; bh=j09E/B/OrMFOBEUyjyz2A0FYcOvcCRDmklRDd7Oay4A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IdmmsbsANAPPxZAPGupBM/svGYpLqsLjPH0SH3socB3x5u8MpC3luLIJioegecBli50lIXRrDqSGgbtJy6ZXRSYNr+Bn+UfkGYhoQQ8RFE89f6HvFiVmWPoSb4JYpcP7PI8X66aphanVo08ihBBy/+mPMkZwNCSYJAksemN24Ug= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=laE8dpYJ; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="laE8dpYJ" Received: from francesco-nb.. (xcpe-178-82-120-96.dyn.res.sunrise.net [178.82.120.96]) by mail11.truemail.it (Postfix) with ESMTPA id 5D8FF1FCBB; Mon, 20 Apr 2026 13:45:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1776685549; bh=miVCOJ+NF3VL81lqNwmUBCNXEiqZM2BQL9sBEasfujk=; h=From:To:Subject; b=laE8dpYJKbnutzsrdaCTcBzhaNLTNKPt215oJ97PKuT6dNc+Js9SCl2Z49ErPLsPr bseJYjqwQZQB1unm8zoTu75HtnodgkxCZo/dXV7bmsYniLBmL9qCWJNgbBZalh+JHr nRE3Te1oBk25ZLiNPbG54MizHo3FNxK7wj6USrmPXpmO2Y9JSBNxMUW0A/orCcvTO7 6qgjSeX8PLl/kfHl4xEhmi0fRqV0oq9Gzgl8Pu6UVDw6MibOU5cZkxpmGl24l4le2U 68ZsuvJfR9NwONxK9702zbioo3z88pLMpFy2i9fvOm+nHXcZnY8uveNun7R6sE/t8B neDS50l7Lu42A== From: Francesco Dolcini To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Brown Cc: Francesco Dolcini , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org Subject: [PATCH v1 2/2] spi: spidev: Add Toradex LAVA HAT OF compatible Date: Mon, 20 Apr 2026 13:45:36 +0200 Message-ID: <20260420114537.78160-3-francesco@dolcini.it> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260420114537.78160-1-francesco@dolcini.it> References: <20260420114537.78160-1-francesco@dolcini.it> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Francesco Dolcini Add "toradex,lava-hat-spi" OF compatible, that describes the SPI interface implemented in the Toradex LAVA HAT. The Toradex LAVA HAT is a test fixture used in Toradex automated testing lab, it provides various functionality, including SPI MISO-MOSI loopback on various SPI interface. Link: https://lore.kernel.org/all/20260310133254.GA51497@francesco-nb/ Link: https://lore.kernel.org/all/20260316073547.11437-3-francesco@dolcini.= it/ Signed-off-by: Francesco Dolcini --- drivers/spi/spidev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 638221178384..2a92dfdc5331 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -701,6 +701,7 @@ static const struct spi_device_id spidev_spi_ids[] =3D { { .name =3D /* semtech */ "sx1301" }, { .name =3D /* silabs */ "em3581" }, { .name =3D /* silabs */ "si3210" }, + { .name =3D /* toradex */ "lava-hat-spi" }, {}, }; MODULE_DEVICE_TABLE(spi, spidev_spi_ids); @@ -735,6 +736,7 @@ static const struct of_device_id spidev_dt_ids[] =3D { { .compatible =3D "semtech,sx1301", .data =3D &spidev_of_check }, { .compatible =3D "silabs,em3581", .data =3D &spidev_of_check }, { .compatible =3D "silabs,si3210", .data =3D &spidev_of_check }, + { .compatible =3D "toradex,lava-hat-spi", .data =3D &spidev_of_check }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); --=20 2.47.3