From patchwork Wed May 25 21:00:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring \(Arm\)" X-Patchwork-Id: 576049 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFF20C433EF for ; Wed, 25 May 2022 21:01:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344521AbiEYVBJ (ORCPT ); Wed, 25 May 2022 17:01:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232245AbiEYVBB (ORCPT ); Wed, 25 May 2022 17:01:01 -0400 Received: from mail-oa1-f42.google.com (mail-oa1-f42.google.com [209.85.160.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B977BBA55E; Wed, 25 May 2022 14:01:00 -0700 (PDT) Received: by mail-oa1-f42.google.com with SMTP id 586e51a60fabf-f2cd424b9cso1778590fac.7; Wed, 25 May 2022 14:01:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=V2DEce3yf8Bq8D8CEXpzcdntBLjIJseRwV+OWWl1tVA=; b=P589UFF6O/n6814+n9r2o91aMLQCSQbr/y27tPlrgivUUBmjHwG7JWvDYnpIKHMfCp +7onFl7ywJeyeQvOteB3VTvLEUqFOZtymVQnZslNpY42iGQOFwpmTLiM1vLy4LzDs3ya DuhBPZpp/sYS98hTfdnjudvwFTelb68hcTZVw6SXfjnO6UDC/RvT8tY2Co/aj2A/j4X1 uDzN0En599S41aOjfPX1EanoSMTtSUYVP/S6e+b1bjYjFVf1OC/o+uSp1fudWTKe1X/m W68l91jDrMjQEsT/3rA5b7rNonI7NzKt8FBQHt740i9O4KClGRXuMDI4DDWo0xvoRt7C Nv3A== X-Gm-Message-State: AOAM531lREKxhuRnXHHgZrJLW3b9Gqnxd4RuKNnEH3YoMr9m7kewTZo0 hznbF8DjLdA83dCuegg2sQXE/6x0Ig== X-Google-Smtp-Source: ABdhPJwDI6vnmIjILt2FYz6J9nEAMoufgBi+0k3uylK50VLk+6BYH3YU9OOsQ8X/Eu+Ce+MjAHVSGQ== X-Received: by 2002:a05:6870:e991:b0:f2:cd2b:f82 with SMTP id r17-20020a056870e99100b000f2cd2b0f82mr1463756oao.81.1653512459991; Wed, 25 May 2022 14:00:59 -0700 (PDT) Received: from xps15.. (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.googlemail.com with ESMTPSA id k22-20020a056870959600b000f2c0ec657asm1110201oao.0.2022.05.25.14.00.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 May 2022 14:00:59 -0700 (PDT) From: Rob Herring To: Serge Semin , Mark Brown , Krzysztof Kozlowski , Pratyush Yadav Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] spi: dt-bindings: Move 'rx-sample-delay-ns' to spi-peripheral-props.yaml Date: Wed, 25 May 2022 16:00:53 -0500 Message-Id: <20220525210053.2488756-1-robh@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SPI bus per device properties must be defined in spi-peripheral-props.yaml for unevaluatedProperties checks to work correctly on device nodes. This has the side effect of promoting 'rx-sample-delay-ns' to be a common property, but functionally it's no different if it was defined in a Synopsys specific schema file. Signed-off-by: Rob Herring --- .../bindings/spi/snps,dw-apb-ssi.yaml | 18 +++++++++--------- .../bindings/spi/spi-peripheral-props.yaml | 5 +++++ 2 files changed, 14 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml index d7e08b03e204..e25d44c218f2 100644 --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml @@ -124,9 +124,16 @@ properties: rx-sample-delay-ns: default: 0 - description: Default value of the rx-sample-delay-ns property. + description: | + Default value of the rx-sample-delay-ns property. This value will be used if the property is not explicitly defined - for a SPI slave device. See below. + for a SPI slave device. + + SPI Rx sample delay offset, unit is nanoseconds. + The delay from the default sample time before the actual sample of the + rxd input signal occurs. The "rx_sample_delay" is an optional feature + of the designware controller, and the upper limit is also subject to + controller configuration. patternProperties: "^.*@[0-9a-f]+$": @@ -142,13 +149,6 @@ patternProperties: spi-tx-bus-width: const: 1 - rx-sample-delay-ns: - description: SPI Rx sample delay offset, unit is nanoseconds. - The delay from the default sample time before the actual - sample of the rxd input signal occurs. The "rx_sample_delay" - is an optional feature of the designware controller, and the - upper limit is also subject to controller configuration. - unevaluatedProperties: false required: diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml index 5e32928c4fc3..6ffb74352bef 100644 --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml @@ -71,6 +71,11 @@ properties: description: Delay, in microseconds, after a read transfer. + rx-sample-delay-ns: + description: SPI Rx sample delay offset, unit is nanoseconds. + The delay from the default sample time before the actual + sample of the rxd input signal occurs. + spi-tx-bus-width: description: Bus width to the SPI bus used for write transfers.