From patchwork Sun Aug 9 11:17:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 247570 Delivered-To: patch@linaro.org Received: by 2002:a92:cc90:0:0:0:0:0 with SMTP id x16csp3995626ilo; Sun, 9 Aug 2020 04:20:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzRlX6jjSFx35wYqrM4x+/Oxi5wBzQE66oqJlqOApY7yOFpemQF/9gixkU8Zf0b/kPwxT3W X-Received: by 2002:a05:6402:22c8:: with SMTP id dm8mr17215735edb.41.1596972012337; Sun, 09 Aug 2020 04:20:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596972012; cv=none; d=google.com; s=arc-20160816; b=mx7Dc0JR7U4AlQJLK2OiM+3TQlCcubG+MGxA+XGKUCaSC0n82CdwIvmnDB7Je2A/sL 6pcr7I1Dcg7febDCTLObvHNYC5qVz0KOY4MFrHaFf7O31gyY6dDgdPCTkcr6FxpOlmrY 5iFEBkC6/cYXN+3xck/ztwwN2IBXPOmstMDuX4uhN/MORS3WMfyuqcoEvuf/FiqhvCBR dtVYkuvYMpxegOX2SGmHUfvBsI0UAu/Yj/nvV3aoRmfU52cB5wwXphhxpF3PFhb7QuZz nXd2R+tfRA261Eu2vCIjmVBFzg0Fmhf4Vly9W2QsRGLPpUGqiHbfE8Fnsb/6ExzJz+Rs 2i6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=uWwm3CQFe/vyVy9IyZ/IHNBs66HzVUeSySF6+x2Iaik=; b=k0iF7NXK/3M2N5TrKMr87SzSwPe4cj4InAnRSyuo62cANFJdDrzjw21Y/HI9ULMCx7 2S6lt7O8EuTa41R2Q0UpZ9r8gElEWBqagsWHvfy03ehAm3vf/GLhBc3Xb1uk4yB92GaB 6bjo3Xn/DGoG3B4oVQdqGQ1ALW5V4yvbxWW+rFUuyr0OC1vhCbW4BqnNMl1HeqA6zDy+ 8Wl/FRUUMD/1wcb7wtDEwyZlg4Oytew6cdZIxrFGMBz/dU3sS/j2Lf2vUAVAsIr/B8RK koSozZie0gVLHlGucwnqaU2391tSebWGVEEuh0OI8sxXm59c7dBSDjeLZm94VAXXOc1U 1tzA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=ckN5hj2N; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dt16si8833177ejb.353.2020.08.09.04.20.12; Sun, 09 Aug 2020 04:20:12 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=ckN5hj2N; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726398AbgHILUL (ORCPT + 6 others); Sun, 9 Aug 2020 07:20:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:54152 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726350AbgHILUL (ORCPT ); Sun, 9 Aug 2020 07:20:11 -0400 Received: from localhost.localdomain (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5692620772; Sun, 9 Aug 2020 11:20:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596972010; bh=CAzT3HPKe2SQrpGNfbhdhwDB86fP9HyD4MBfA8HPvVk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ckN5hj2NGVUyDXDC6Mm7Q31owdOSqoRbYN2wDANNGS0BNrdy0LTvf6uBE5MuE1v45 pjfeUtyerLw1OLM0g+Sr4Gs5xmMhQ9S9kkh0kkxp3hJeaERFt7mscIPEV5tdgd0DKC JD+yr8S6+V79vwJAqTU/WKLwxgf3VBlJPHvOFPeU= From: Jonathan Cameron To: linux-iio@vger.kernel.org Cc: Rob Herring , devicetree@vger.kernel.org, Jonathan Cameron , Akinobu Mita Subject: [PATCH 08/13] dt-bindings: iio: adc: ti,adc12138 yaml conversion. Date: Sun, 9 Aug 2020 12:17:48 +0100 Message-Id: <20200809111753.156236-9-jic23@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200809111753.156236-1-jic23@kernel.org> References: <20200809111753.156236-1-jic23@kernel.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Jonathan Cameron Simple binding conversion. Only addition was #io-channel-cells to allow for potential consumers of the channels on this device. Signed-off-by: Jonathan Cameron Cc: Akinobu Mita --- .../bindings/iio/adc/ti,adc12138.yaml | 85 +++++++++++++++++++ .../bindings/iio/adc/ti-adc12138.txt | 37 -------- 2 files changed, 85 insertions(+), 37 deletions(-) -- 2.28.0 diff --git a/Documentation/devicetree/bindings/iio/adc/ti,adc12138.yaml b/Documentation/devicetree/bindings/iio/adc/ti,adc12138.yaml new file mode 100644 index 000000000000..3e8c43aa8ef3 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/ti,adc12138.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/ti,adc12138.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments ADC12138 and similar self-calibrating ADCs + +maintainers: + - Akinobu Mita + +description: | + 13 bit ADCs with 1, 2 or 8 inputs and self calibrating circuitry to + correct for linearity, zero and full scale errors. + +properties: + compatible: + enum: + - ti,adc12130 + - ti,adc12132 + - ti,adc12138 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: End of Conversion (EOC) interrupt + + clocks: + maxItems: 1 + description: Conversion clock input. + + spi-max-frequency: true + + vref-p-supply: + description: The regulator supply for positive analog voltage reference + + vref-n-suppy: + description: | + The regulator supply for negative analog voltage reference + (Note that this must not go below GND or exceed vref-p) + If not specified, this is assumed to be analog ground. + + ti,acquisition-time: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [ 6, 10, 18, 34] + description: | + The number of conversion clock periods for the S/H's acquisition time. + For high source impedances, this value can be increased to 18 or 34. + For less ADC accuracy and/or slower CCLK frequencies this value may be + decreased to 6. See section 6.0 INPUT SOURCE RESISTANCE in the + datasheet for details. + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - vref-p-supply + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "ti,adc12138"; + reg = <0>; + interrupts = <28 IRQ_TYPE_EDGE_RISING>; + interrupt-parent = <&gpio1>; + clocks = <&cclk>; + vref-p-supply = <&ldo4_reg>; + spi-max-frequency = <5000000>; + ti,acquisition-time = <6>; + #io-channel-cells = <1>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/adc/ti-adc12138.txt b/Documentation/devicetree/bindings/iio/adc/ti-adc12138.txt deleted file mode 100644 index 049a1d36f013..000000000000 --- a/Documentation/devicetree/bindings/iio/adc/ti-adc12138.txt +++ /dev/null @@ -1,37 +0,0 @@ -* Texas Instruments' ADC12130/ADC12132/ADC12138 - -Required properties: - - compatible: Should be one of - * "ti,adc12130" - * "ti,adc12132" - * "ti,adc12138" - - reg: SPI chip select number for the device - - interrupts: Should contain interrupt for EOC (end of conversion) - - clocks: phandle to conversion clock input - - spi-max-frequency: Definision as per - Documentation/devicetree/bindings/spi/spi-bus.txt - - vref-p-supply: The regulator supply for positive analog voltage reference - -Optional properties: - - vref-n-supply: The regulator supply for negative analog voltage reference - (Note that this must not go below GND or exceed vref-p) - If not specified, this is assumed to be analog ground. - - ti,acquisition-time: The number of conversion clock periods for the S/H's - acquisition time. Should be one of 6, 10, 18, 34. If not specified, - default value of 10 is used. - For high source impedances, this value can be increased to 18 or 34. - For less ADC accuracy and/or slower CCLK frequencies this value may be - decreased to 6. See section 6.0 INPUT SOURCE RESISTANCE in the - datasheet for details. - -Example: -adc@0 { - compatible = "ti,adc12138"; - reg = <0>; - interrupts = <28 IRQ_TYPE_EDGE_RISING>; - interrupt-parent = <&gpio1>; - clocks = <&cclk>; - vref-p-supply = <&ldo4_reg>; - spi-max-frequency = <5000000>; - ti,acquisition-time = <6>; -};