From patchwork Fri Jan 10 10:12:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 11327095 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 932E617EE for ; Fri, 10 Jan 2020 10:12:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 718AC20838 for ; Fri, 10 Jan 2020 10:12:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="kyE5WbVD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727315AbgAJKMu (ORCPT ); Fri, 10 Jan 2020 05:12:50 -0500 Received: from mail-lf1-f66.google.com ([209.85.167.66]:35010 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727362AbgAJKMu (ORCPT ); Fri, 10 Jan 2020 05:12:50 -0500 Received: by mail-lf1-f66.google.com with SMTP id 15so1046712lfr.2 for ; Fri, 10 Jan 2020 02:12:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=fQ3AvsTOvN2lt6VoCrrcei0UKFhdLdIsH4yixnuLa3k=; b=kyE5WbVDVncQ83eWxFYnHwuIO4on0+uCzONsHYZk9JU4/wZ8gxgImU1EJc31YG0q5x qGjO7znn7L28cBuEjVWUS1yx+CbbkzvPGNov7rMdbn2yz3HWaaIss4luq5yAf7EhCRi4 6j9oIGLYvnuNj0XirRn9sj10I44IqzTVZ95zwF7tApE4TJrOFlndqBdQ5o+ew0dd8t1L NGA3tCluT+8GvIuNaEhxuZh9mdenzo9eCAZCiK3W5vi+mUGnZk6zAoNpeeTnbB21VCL1 +9Y8k1fhw1yI7zduN3cGQJNkud3vbB/e5qrWJ2kWxNysM5rNKAjtx6GCgX51LJ4PLFBt RU4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=fQ3AvsTOvN2lt6VoCrrcei0UKFhdLdIsH4yixnuLa3k=; b=QajICeEA5C4MqcMR9HcVSPEzWkJQ+b5v4CwZaflH37Vwo27FaBlgUNW4hlDHeLdqB+ ckDgdzi/P910BHu2NX0/bLjaWoNw3/JelCbBW5RqfwTW420SwyO8QNupxtVbwsC8BDfG hv/3uBee9DROcJfHeO+f1oMuZRqdkr1iht/VGqczyy/u1o0p9bNjZc79BfJWyn6v0RCn tnge/l/pOnDRsC8g1jEciQQSzD8JOQ9rEDbIUsfHi4sz6zdk+8yk+w9fd2uykZXbZBiS qNKArw+ca+vmIF7d0+RGNPiynCy1Ep75VIJg9YHw/murlrRbqhaba1aE8adfnf8cuClt AXWw== X-Gm-Message-State: APjAAAVtLWjymeVSPOc2F4YZkou/BSt3Bes05IxoLEFXIIF1trEx+1W/ ++0MMlRVx1FVH6Qp9HwtwpHBRw== X-Google-Smtp-Source: APXvYqxIqWX62Yhbh9cxP2oXScdnXjTjmA4Dz4GcXs69CvwK9IueOqMCxN2l8kLTrV+9PEW6QyncNA== X-Received: by 2002:a19:3f51:: with SMTP id m78mr1877716lfa.70.1578651168048; Fri, 10 Jan 2020 02:12:48 -0800 (PST) Received: from localhost.bredbandsbolaget (c-5ac9225c.014-348-6c756e10.bbcust.telenor.se. [92.34.201.90]) by smtp.gmail.com with ESMTPSA id s23sm736278lji.70.2020.01.10.02.12.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jan 2020 02:12:46 -0800 (PST) From: Linus Walleij To: Jonathan Cameron , linux-iio@vger.kernel.org Cc: Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-input@vger.kernel.org, Linus Walleij , Stephan Gerhold , Minkyu Kang , =?utf-8?q?Pawe=C5=82_Chmiel?= , Jonathan Bakker , Oskar Andero , Dmitry Torokhov , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH 1/2 v3] iio: light: Add DT bindings for GP2AP002 Date: Fri, 10 Jan 2020 11:12:42 +0100 Message-Id: <20200110101242.16077-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org This adds device tree bindings for the GP2AP002 light and proximity sensor. As with other early proximity sensors (~2010) the light sensor and proximity sensors were combined into a single component. Cc: Stephan Gerhold Cc: Minkyu Kang Cc: Paweł Chmiel Cc: Jonathan Bakker Cc: Oskar Andero Cc: Dmitry Torokhov Cc: Rob Herring Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij --- ChangeLog v1->v3: - Drop the maxitems on the supplies, it is already 1 - Drop quotes around "alsout" - Limit the sharp hysteresis to 8 bits as it should be - Use /bits/ 8 in the example so it is correct --- .../bindings/iio/light/sharp,gp2ap002.yaml | 85 +++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml diff --git a/Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml b/Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml new file mode 100644 index 000000000000..12aa16f24772 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/sharp,gp2ap002.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/light/sharp,gp2ap002.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sharp GP2AP002A00F and GP2AP002S00F proximity and ambient light sensors + +maintainers: + - Linus Walleij + +description: | + Proximity and ambient light sensor with IR LED for the proximity + sensing and an analog output for light intensity. The ambient light + sensor output is not available on the GP2AP002S00F variant. + +properties: + compatible: + enum: + - sharp,gp2ap002a00f + - sharp,gp2ap002s00f + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: an interrupt for proximity, usually a GPIO line + + vdd-supply: + description: VDD power supply a phandle to a regulator + + vio-supply: + description: VIO power supply a phandle to a regulator + + io-channels: + maxItems: 1 + description: ALSOUT ADC channel to read the ambient light + + io-channel-names: + const: alsout + + sharp,proximity-far-hysteresis: + $ref: /schemas/types.yaml#/definitions/uint8 + description: | + Hysteresis setting for "far" object detection, this setting is + device-unique and adjust the optical setting for proximity detection + of a "far away" object in front of the sensor. + + sharp,proximity-close-hysteresis: + $ref: /schemas/types.yaml#/definitions/uint8 + description: | + Hysteresis setting for "close" object detection, this setting is + device-unique and adjust the optical setting for proximity detection + of a "close" object in front of the sensor. + +required: + - compatible + - reg + - interrupts + - sharp,proximity-far-hysteresis + - sharp,proximity-close-hysteresis + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + light-sensor@44 { + compatible = "sharp,gp2ap002a00f"; + reg = <0x44>; + interrupts = <18 IRQ_TYPE_EDGE_FALLING>; + vdd-supply = <&vdd_regulator>; + vio-supply = <&vio_regulator>; + io-channels = <&adc_channel>; + io-channel-names = "alsout"; + sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>; + sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>; + }; + }; + +...