From patchwork Wed Jan 4 09:36:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 13088371 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 63287C54EBE for ; Wed, 4 Jan 2023 09:37:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234268AbjADJhz (ORCPT ); Wed, 4 Jan 2023 04:37:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234422AbjADJhl (ORCPT ); Wed, 4 Jan 2023 04:37:41 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 526AC1839F; Wed, 4 Jan 2023 01:37:38 -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 E287242037; Wed, 4 Jan 2023 09:37:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1672825057; bh=NUEh0FNVbl8pM5v3KLVsYoeV+coXZrlb1+D5P/bGSSM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=HhZ+eD/ZncivrtyFKQI4dRTREx8Czu7pZTMHYTB1CDFE6pEVnkM2RTQR+TCBcFk42 9VYuPyml0THd37OvUssFznHXZcoaczR2eIypomMKN7NAGpk2n9fXUb4Qo+B2e3Jlkx IzLM+xQfYqjM+gCa4N56ygvujCbVSpgHE0ICkekH3I89YeSBoSAuNRVY9jyH8Mp7On WXGXzzBwsAGNUgiTqNL2+a6QCdj3sOo7MeXgqpJLxK9AJaWkrBh3bSY20SLZQWBk1N eJqotZcGoJrcQYYhrYB2p0gSudj9N2X+1WhnGDMe9ZxBn4sQQJpvdB9YgGGH6ySPRg 9s3FyXTGuI/XQ== From: Hector Martin To: Mark Brown , Rob Herring , Krzysztof Kozlowski Cc: Tudor Ambarus , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, Janne Grunau , Alyssa Rosenzweig , asahi@lists.linux.dev, linux-kernel@vger.kernel.org, Hector Martin Subject: [PATCH 4/5] spi: dt-bindings: Add hold/inactive CS delay peripheral properties Date: Wed, 4 Jan 2023 18:36:30 +0900 Message-Id: <20230104093631.15611-5-marcan@marcan.st> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230104093631.15611-1-marcan@marcan.st> References: <20230104093631.15611-1-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 Signed-off-by: Hector Martin Reviewed-by: Rob Herring --- .../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.