From patchwork Fri Jan 13 10:23:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 642897 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 4542EC61DB3 for ; Fri, 13 Jan 2023 10:24:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241152AbjAMKYR (ORCPT ); Fri, 13 Jan 2023 05:24:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241172AbjAMKXi (ORCPT ); Fri, 13 Jan 2023 05:23:38 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0EE2BC0F; Fri, 13 Jan 2023 02:23:37 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sendonly@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 2D09D4258A; Fri, 13 Jan 2023 10:23:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1673605416; bh=M3tZrYZnQ0FBU0rxzLvbqjtCSW4bNvZXYV5NUHuboTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=xoflWglINJt2Kww6POJDVwvtrmzEH4a7tuJzKq+dTzqd5irvgP1Exj3UZ9TOAPLHj Jo9GbMSlw4pmdP335FEAWSGBaYmN81gsITgcorIbKPwW32uXmLbs8x8lc2YJTqWp1q 1yXxZkgs+AHxN67mmI7xs1zqw5NxTpAaTKrqtDKo9tsJCuEMAtskUmJ8DhAGqwaUTB MoeuvEbtYnro6hp4nuqzlwVvP2gRKLpu5GIp07cgrhlfB+K46FCNHYpus3uqgrh2Vl fW2BzoBy0+8hGZPP8SIAmC6cbHWEvdIKTOwKDMfjumS1r+Tj15QC7SltWowsx/PO62 FgK6uSuqSK4Hg== From: Hector Martin To: Mark Brown Cc: Rob Herring , Krzysztof Kozlowski , Tudor Ambarus , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, Janne Grunau , Alyssa Rosenzweig , asahi@lists.linux.dev, linux-kernel@vger.kernel.org, Rob Herring , Hector Martin Subject: [PATCH v2 2/3] spi: dt-bindings: Add hold/inactive CS delay peripheral properties Date: Fri, 13 Jan 2023 19:23:09 +0900 Message-Id: <20230113102309.18308-3-marcan@marcan.st> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230113102309.18308-1-marcan@marcan.st> References: <20230113102309.18308-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Janne Grunau These two properties complete the bindings for the Linux spi_device cs model, which includes cs_setup, cs_hold and cs_inactive delay values. Signed-off-by: Janne Grunau Reviewed-by: Rob Herring Signed-off-by: Hector Martin --- .../devicetree/bindings/spi/spi-peripheral-props.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml index 9a60c0664bbe..782a014b63a7 100644 --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml @@ -49,6 +49,16 @@ properties: Delay in nanoseconds to be introduced by the controller after CS is asserted. + spi-cs-hold-delay-ns: + description: + Delay in nanoseconds to be introduced by the controller before CS is + de-asserted. + + spi-cs-inactive-delay-ns: + description: + Delay in nanoseconds to be introduced by the controller after CS is + de-asserted. + spi-rx-bus-width: description: Bus width to the SPI bus used for read transfers.