From nobody Wed Dec 17 05:28:53 2025 Received: from mx.denx.de (mx.denx.de [89.58.32.78]) (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 B655620298A; Wed, 26 Mar 2025 17:19:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=89.58.32.78 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743009561; cv=none; b=K9IvrJqNFF2/eYs84eLM8AedJDXvK5IrzQxgSyaaUvPXUDLoPbvLszMoUSastjmZSHkZB7POvgwoxvbFnDH9fp54guxBMkwulADh4verV7+TBj0XevENDrnYsS0JhQtTe4Li4S+yti+NRYbXzn6hwV1QkkAoulaYk8OkkfGF4MQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743009561; c=relaxed/simple; bh=Gj4nxgot6/aGs/lQlFZMZKLoOBQQONhPMDtSv/okADk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ZYq4ry6Dgox0TUqdBV6En/iSFD3KiWyM4s0shOewNeESX77+lZAk+FA2SFPQTtSvilG0DtRvTeE+SVF22z9aoYqQWZChBpEm+SIX6QDDGkizkXz9eTKFrsmc5RbvYnUbTqTADKTaW/kTbZcg0UkfIVJW2JZyDVhz7Y9+TUMZFAY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=OWNm/UGP; arc=none smtp.client-ip=89.58.32.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="OWNm/UGP" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B2C0D101CA7F1; Wed, 26 Mar 2025 18:19:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=mx-20241105; t=1743009557; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=Ifsa7+R78g8/kHGIkkfPyyGOifXMv1ZjJMomcIQic3A=; b=OWNm/UGPFpyFpLKoTsyoe9vN3D6kfvqB3hcPJlwVifWyfgjPnp7RMx/wGq9dt/pGhwY8t/ ds0Apv8SkVacaXAmE0bRzcf3cttyR5EbBl7PiDYaPkMA5Mf8TF561e0/OGk0mVvfCm17am K4xHegWu2w85xaQZ7USohGRKFuOh6f6p5rqhq9Xmzrs3Bq+fUlYQbCXw/B0NXnnrIn1nte F80VzrsgON/9CPohCtEb0l6wrbF0A7u+r+gIilNRHpW5D1QapgaXRxYyj/Rwh/FD+TkZGB kbrWq7a1GZ2RlmbmL1dIYOZubvnET9uRAnDHUJ9qr49A1zkRGXcR2syxaAdRcA== From: Lukasz Majewski To: Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Guenter Roeck , Noah Wang , Michal Simek , Fabio Estevam , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Naresh Solanki , Lukasz Majewski Subject: [PATCH v2] dt-bindings: trivial-devices: Document SPI measurement on LWE boards Date: Wed, 26 Mar 2025 18:18:38 +0100 Message-Id: <20250326171838.2689448-1-lukma@denx.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250326140930.2587775-1-lukma@denx.de> References: <20250326140930.2587775-1-lukma@denx.de> 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 X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" The measurement device on Liebherr's (LWE) boards is used to monitor the overall state of the device. It does have SPI interface to communicate with Linux host via spidev driver. Document the SPI DT binding as trivial SPI device. Signed-off-by: Lukasz Majewski --- Changes for v2: - Use already in-kernel available 'lwn' vendor prefix instead of introducing a new one --- 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 8da408107e55..1e37144e7017 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -161,6 +161,8 @@ properties: - jedec,spd5118 # Linear Technology LTC2488 - lineartechnology,ltc2488 + # Liebherr on-board measurement SPI device + - lwn,btt # 5 Bit Programmable, Pulse-Width Modulator - maxim,ds1050 # 10 kOhm digital potentiometer with I2C interface --=20 2.39.5