From patchwork Tue Dec 19 13:02:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petre Rodan X-Patchwork-Id: 756114 Received: from mail.subdimension.ro (skycaves.subdimension.ro [172.104.132.142]) (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 C931318C08; Tue, 19 Dec 2023 13:08:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=subdimension.ro Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=subdimension.ro Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=subdimension.ro header.i=@subdimension.ro header.b="W2nsSUMY" Received: from localhost.localdomain (unknown [188.24.94.216]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.subdimension.ro (Postfix) with ESMTPSA id 8720728B538; Tue, 19 Dec 2023 13:02:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=subdimension.ro; s=skycaves; t=1702990961; bh=4bK2V3kb7TBdDicl8Aw4xuY1tgwPNmoDdxc6Bayl400=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=W2nsSUMYMnOWAI03305s0KhwOJDTIYVozOhij181oBgbV1KJWi6nvt3jyjb3rFkJq rXzHGB+/azijD3ZUYcW6S8V7hXoRD4/6gtAy9aCmfOUnQGOGsyZwCL0w8pxvrF60cr qVuK2az3RrlfmyYeGEcc9CsLY8L1KfhfxlxAFf2A= From: Petre Rodan To: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org Cc: Petre Rodan , Conor Dooley , Lars-Peter Clausen , Rob Herring , linux-kernel-mentees@lists.linuxfoundation.org, Jonathan Cameron Subject: [PATCH 1/2] dt-bindings: iio: pressure: honeywell,mprls0025pa Date: Tue, 19 Dec 2023 15:02:20 +0200 Message-ID: <20231219130230.32584-2-petre.rodan@subdimension.ro> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231219130230.32584-1-petre.rodan@subdimension.ro> References: <20231219130230.32584-1-petre.rodan@subdimension.ro> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 ChangeLog - add honeywell,pressure-triplet property that autoconfigures pmin, pmax just like the hsc030pa sensor driver - add support for spi-based sensors Datasheet: https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf Signed-off-by: Petre Rodan --- .../iio/pressure/honeywell,mprls0025pa.yaml | 60 ++++++++++++++++--- 1 file changed, 52 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml index d9e903fbfd99..7c4be2dec174 100644 --- a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml +++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml @@ -53,33 +53,59 @@ properties: honeywell,pmin-pascal: description: Minimum pressure value the sensor can measure in pascal. + To be specified only if honeywell,pressure-triplet is set to "NA". honeywell,pmax-pascal: description: Maximum pressure value the sensor can measure in pascal. + To be specified only if honeywell,pressure-triplet is set to "NA". honeywell,transfer-function: description: | - Transfer function which defines the range of valid values delivered by the - sensor. + Transfer function which defines the range of valid values delivered by + the sensor. 1 - A, 10% to 90% of 2^24 (1677722 .. 15099494) 2 - B, 2.5% to 22.5% of 2^24 (419430 .. 3774874) 3 - C, 20% to 80% of 2^24 (3355443 .. 13421773) + enum: [1, 2, 3] $ref: /schemas/types.yaml#/definitions/uint32 + honeywell,pressure-triplet: + description: | + Case-sensitive five character string that defines pressure range, unit + and type as part of the device nomenclature. In the unlikely case of a + custom chip, set to "NA" and provide pmin-pascal and pmax-pascal. + enum: [0001BA, 01.6BA, 02.5BA, 0060MG, 0100MG, 0160MG, 0250MG, 0400MG, + 0600MG, 0001BG, 01.6BG, 02.5BG, 0100KA, 0160KA, 0250KA, 0006KG, + 0010KG, 0016KG, 0025KG, 0040KG, 0060KG, 0100KG, 0160KG, 0250KG, + 0015PA, 0025PA, 0030PA, 0001PG, 0005PG, 0015PG, 0030PG, 0300YG, + NA] + $ref: /schemas/types.yaml#/definitions/string + + spi-max-frequency: + maximum: 800000 + vdd-supply: description: provide VDD power to the sensor. required: - compatible - reg - - honeywell,pmin-pascal - - honeywell,pmax-pascal + - honeywell,pressure-triplet - honeywell,transfer-function - - vdd-supply additionalProperties: false +dependentSchemas: + honeywell,pmin-pascal: + properties: + honeywell,pressure-triplet: + const: NA + honeywell,pmax-pascal: + properties: + honeywell,pressure-triplet: + const: NA + examples: - | #include @@ -93,10 +119,28 @@ examples: reg = <0x18>; reset-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; interrupt-parent = <&gpio3>; - interrupts = <21 IRQ_TYPE_EDGE_FALLING>; - honeywell,pmin-pascal = <0>; - honeywell,pmax-pascal = <172369>; + interrupts = <21 IRQ_TYPE_EDGE_RISING>; + + honeywell,pressure-triplet = "0025PA"; honeywell,transfer-function = <1>; vdd-supply = <&vcc_3v3>; }; }; + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + pressure@0 { + compatible = "honeywell,mprls0025pa"; + reg = <0>; + spi-max-frequency = <800000>; + reset-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&gpio0>; + interrupts = <30 IRQ_TYPE_EDGE_RISING>; + + honeywell,pressure-triplet = "0015PA"; + honeywell,transfer-function = <1>; + }; + }; +...