From patchwork Sat Oct 31 13:40:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 11871407 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 3F1FA1130 for ; Sat, 31 Oct 2020 13:44:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 278BF22228 for ; Sat, 31 Oct 2020 13:44:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604151847; bh=FzA+NFB7LCeyQ6pLZ6Aze0ObLTyfT6wWBWH0kqJicrI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qYXgllQng8jjXQl5WI830FEHTbUkDcUz7wv2/eg/idPd9jsBGbLiOxU+dGtoJ8b9C 36Jl5/ipSQIe4UsbbnJjXKltE+CJOHnDyfXnXVQI0Be0xj7BGUDdiq8Fvy2nBuH5w2 9TEx3rUCCOp/qgOafizLS7uG3JH+1XQFRceYF9yI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727708AbgJaNoG (ORCPT ); Sat, 31 Oct 2020 09:44:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:43190 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727692AbgJaNoG (ORCPT ); Sat, 31 Oct 2020 09:44:06 -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 52E2920731; Sat, 31 Oct 2020 13:44:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604151845; bh=FzA+NFB7LCeyQ6pLZ6Aze0ObLTyfT6wWBWH0kqJicrI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2HD55PN3aFJbN96Pq5rBDzHH545vfhktH4GXoX6K4RAEenC1uwzUspfnGr/754ptO 38ACI2BMTYB9xKnDBKlRuWSEnLszem6EIgAs8fNigqncMQ2i1jaozbhY9udWquHLKC TwETohH5ArPDA+OVOPKRU3t7AtQ7wK6ueI1bC8sU= From: Jonathan Cameron To: linux-iio@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org Cc: Jonathan Cameron , Lukas Wunner Subject: [PATCH v2 16/29] dt-bindings:iio:dac:ti,dac082s085 yaml conversion Date: Sat, 31 Oct 2020 13:40:57 +0000 Message-Id: <20201031134110.724233-17-jic23@kernel.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201031134110.724233-1-jic23@kernel.org> References: <20201031134110.724233-1-jic23@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Jonathan Cameron Fairly simple conversion with the exception of the XOR between spi-cpha and spi-cpol. Is there a better way to specify that? Signed-off-by: Jonathan Cameron Cc: Lukas Wunner --- v2: * Family typo * Put back the reference regulator in example. * Added checking of XOR of spi-cpha and spi-cpol (dropped Rob Herrings Reviewed-by due to this change) .../bindings/iio/dac/ti,dac082s085.yaml | 79 +++++++++++++++++++ .../bindings/iio/dac/ti-dac082s085.txt | 34 -------- 2 files changed, 79 insertions(+), 34 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/dac/ti,dac082s085.yaml b/Documentation/devicetree/bindings/iio/dac/ti,dac082s085.yaml new file mode 100644 index 000000000000..192b314c99d1 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ti,dac082s085.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/dac/ti,dac082s085.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments DAC082s085 and similar DACs + +description: + A family of Texas Instruments 8/10/12-bit 2/4-channel DACs + +maintainers: + - Lukas Wunner + +properties: + compatible: + enum: + - ti,dac082s085 + - ti,dac102s085 + - ti,dac122s085 + - ti,dac084s085 + - ti,dac104s085 + - ti,dac124s085 + + reg: + maxItems: 1 + + spi-cpha: true + spi-cpol: + description: + Should be either spi-cpha, or spi-cpol but not both. + + vref-supply: + description: Needed to provide output scaling. + + spi-max-frequency: true + +required: + - compatible + - reg + - vref-supply + +additionalProperties: false + +allOf: + - $ref: '#/definitions/cpolXORcpha' + +definitions: + cpolXORcpha: + not: + required: [spi-cpha, spi-cpol] + oneOf: + - required: + - spi-cpha + - required: + - spi-cpol + +examples: + - | + vref_2v5_reg: regulator-vref { + compatible = "regulator-fixed"; + regulator-name = "2v5"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + }; + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "ti,dac082s085"; + reg = <0>; + spi-max-frequency = <40000000>; + spi-cpol; + vref-supply = <&vref_2v5_reg>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt deleted file mode 100644 index 9cb0e10df704..000000000000 --- a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt +++ /dev/null @@ -1,34 +0,0 @@ -Texas Instruments 8/10/12-bit 2/4-channel DAC driver - -Required properties: - - compatible: Must be one of: - "ti,dac082s085" - "ti,dac102s085" - "ti,dac122s085" - "ti,dac084s085" - "ti,dac104s085" - "ti,dac124s085" - - reg: Chip select number. - - spi-cpha, spi-cpol: SPI mode (0,1) or (1,0) must be used, so specify - either spi-cpha or spi-cpol (but not both). - - vref-supply: Phandle to the external reference voltage supply. - -For other required and optional properties of SPI slave nodes please refer to -../../spi/spi-bus.txt. - -Example: - vref_2v5_reg: regulator-vref { - compatible = "regulator-fixed"; - regulator-name = "2v5"; - regulator-min-microvolt = <2500000>; - regulator-max-microvolt = <2500000>; - regulator-always-on; - }; - - dac@0 { - compatible = "ti,dac082s085"; - reg = <0>; - spi-max-frequency = <40000000>; - spi-cpol; - vref-supply = <&vref_2v5_reg>; - };