From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.5 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B58CFC433E0 for ; Sun, 14 Mar 2021 19:08:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6648464EC6 for ; Sun, 14 Mar 2021 19:08:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231892AbhCNTIR (ORCPT ); Sun, 14 Mar 2021 15:08:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:53284 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231809AbhCNTH6 (ORCPT ); Sun, 14 Mar 2021 15:07:58 -0400 Received: from archlinux (cpc108967-cmbg20-2-0-cust86.5-4.cable.virginm.net [81.101.6.87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8876564E5F; Sun, 14 Mar 2021 19:07:57 +0000 (UTC) Date: Sun, 14 Mar 2021 19:07:54 +0000 From: Jonathan Cameron To: Rob Herring Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Jonathan Cameron , Lukas Wunner Subject: Re: [PATCH v2 16/29] dt-bindings:iio:dac:ti,dac082s085 yaml conversion Message-ID: <20210314190754.2dd43dbf@archlinux> In-Reply-To: <20201108163451.7946b776@archlinux> References: <20201031134110.724233-1-jic23@kernel.org> <20201031134110.724233-17-jic23@kernel.org> <20201103022108.GA674527@bogus> <20201108163451.7946b776@archlinux> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Sun, 8 Nov 2020 16:34:51 +0000 Jonathan Cameron wrote: > On Mon, 2 Nov 2020 20:21:08 -0600 > Rob Herring wrote: > > > On Sat, Oct 31, 2020 at 01:40:57PM +0000, Jonathan Cameron wrote: > > > 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: > > > + - $ref: '#/definitions/cpolXORcpha' > > > + > > > +definitions: > > > + cpolXORcpha: > > > > No need for a definition. Just put the below in the allOf entry. > > I can't figure out the syntax to do that. > If I put it directly there I get, > > ... iio/dac/ti,dac082s085.yaml: allOf:0: 'not' is not one of ['$ref', 'if', 'then', 'else'] > > The use of $ref was the only way I could find to get around this. > What other option is there? My Yaml is still largely cut and paste > based so not sure I fully understand the restrictions that are applied. Hi Rob, I've had another go at playing with the syntax but still can't find a way around the above issue if I try to get rid of the definitions block as you suggest. Any pointers on the syntax very much appreciated! Thanks Jonathan > > Thanks, > > Jonathan > > > > > > > > + 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>; > > > - }; > > > -- > > > 2.28.0 > > > >