From patchwork Fri Nov 17 07:30:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anshul Dalal X-Patchwork-Id: 745047 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hikjkj3V" Received: from mail-oi1-x230.google.com (mail-oi1-x230.google.com [IPv6:2607:f8b0:4864:20::230]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E30AED4B; Thu, 16 Nov 2023 23:33:28 -0800 (PST) Received: by mail-oi1-x230.google.com with SMTP id 5614622812f47-3b5714439b3so969522b6e.3; Thu, 16 Nov 2023 23:33:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700206408; x=1700811208; 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=3VX/lRKzVRq1yghMKNb5rPnujs/Enhs7H6aGeq5rBrw=; b=hikjkj3VN9rzgUgl20KmBzJBZI+RhKMi9TUJ/wcvxLQHPtGgL2LQcGOl4ETjpwHpYb W/L/jYWGOkojpL1Y4mWED37yMIHTOxMX5oL3rU4vB51PqbJWdK+883vfdS+i+t3TLgSG +WUpQ9u+2xqZlkiWFkX6aEVdr0iFLsDcvH7V0AYrbloOfYNe6KaDdItficHrQw9GCz2j 44xFGQEVYX4cNilN9dOo2l495bilc0B1C1OtigcCkqqDtRCprNe3sYziq8xEZwP89ZFv 65AiYpb6wjphUAszquybXN+tnoBQFEFifwuEfqRmBlyLZMDY6xYEADYA4fDD5KQqeWKO WFTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700206408; x=1700811208; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=3VX/lRKzVRq1yghMKNb5rPnujs/Enhs7H6aGeq5rBrw=; b=YCJ5KJnhMebxzjyXq9MiNrC79IjFTiA0ihF+IaVDN9Rk1g6D6xFYUhDtDS9o2fGuZ1 ge7yEi48rS1cqe29SSsFtlZf1p3OHa3lOSviA/hCVmk6bH8hUoUxciNduo88nyufEnPy Djp5+lvFhSocfQAjRxrNMbPTbwTzOQIXiS4WxqDMrrDAdDzGUYbGZaKcMbLs551z0LKB cDjYQHDev6L8DIms5U+jQFN/5f8PC2hyugAs1g5UVe/5QWC7PUNu/J5DQfdNzlPP2VHC G7SwrSlbSwrO1L2x47mfpD05B6XS3a7n1oJpnwtbS8pOOZP6e8cgynJ6fFzoguRCxs1c ABxQ== X-Gm-Message-State: AOJu0Yzy37/HApZJOvb3QXuD93ufrTg1XSxYgW0wuE+ThNdTOwJIw165 UP2RW8Wh1MQhiCrA9Xh4tHN2M4ph+L4HmLFg X-Google-Smtp-Source: AGHT+IH1d9ttlA9rh/z7aa25q9HmmvjaynwuvE/jeCgFbKyiCAepq5WWLYdeMfQuFC22El1MeOlBdA== X-Received: by 2002:a05:6808:8c:b0:3b2:f393:dab1 with SMTP id s12-20020a056808008c00b003b2f393dab1mr18439295oic.21.1700206407693; Thu, 16 Nov 2023 23:33:27 -0800 (PST) Received: from localhost.localdomain ([2401:4900:2353:8963:b940:1ac0:2fbc:6b6]) by smtp.gmail.com with ESMTPSA id s11-20020a65644b000000b005bcebc93d7asm705106pgv.47.2023.11.16.23.33.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 23:33:27 -0800 (PST) From: Anshul Dalal To: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Cc: Anshul Dalal , Conor Dooley , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , linux-kernel-mentees@lists.linuxfoundation.org, Jonathan Cameron , Shuah Khan Subject: [PATCH 1/2] dt-bindings: iio: dac: add MCP4821 Date: Fri, 17 Nov 2023 13:00:37 +0530 Message-ID: <20231117073040.685860-1-anshulusr@gmail.com> X-Mailer: git-send-email 2.42.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Adds support for MCP48xx series of DACs. Datasheet: [MCP48x1] https://ww1.microchip.com/downloads/en/DeviceDoc/22244B.pdf [MCP48x2] https://ww1.microchip.com/downloads/en/DeviceDoc/20002249B.pdf Signed-off-by: Anshul Dalal Signed-off-by: ... --- .../bindings/iio/dac/microchip,mcp4821.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml new file mode 100644 index 000000000000..904de15300bd --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4821.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MCP4821 and similar DACs + +description: | + Supports MCP48x1 (single channel) and MCP48x2 (dual channel) series of DACs. + Device supports simplex communication over SPI in Mode 0,1 and Mode 1,1. + + +---------+--------------+-------------+ + | Device | Resolution | Channels | + |---------|--------------|-------------| + | MCP4801 | 8-bit | 1 | + | MCP4811 | 10-bit | 1 | + | MCP4821 | 12-bit | 1 | + | MCP4802 | 8-bit | 2 | + | MCP4812 | 10-bit | 2 | + | MCP4822 | 12-bit | 2 | + +---------+--------------+-------------+ + + Datasheet: + MCP48x1: https://ww1.microchip.com/downloads/en/DeviceDoc/22244B.pdf + MCP48x2: https://ww1.microchip.com/downloads/en/DeviceDoc/20002249B.pdf + +maintainers: + - Anshul Dalal + +properties: + compatible: + enum: + - microchip,mcp4801 + - microchip,mcp4811 + - microchip,mcp4821 + - microchip,mcp4802 + - microchip,mcp4812 + - microchip,mcp4822 + + reg: + maxItems: 1 + + vdd-supply: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "microchip,mcp4821"; + reg = <0>; + vdd-supply = <&vdd_regulator>; + }; + };