From patchwork Wed Jan 4 09:36:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 13088368 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 57EDCC5479D for ; Wed, 4 Jan 2023 09:37:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233985AbjADJhv (ORCPT ); Wed, 4 Jan 2023 04:37:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233970AbjADJh2 (ORCPT ); Wed, 4 Jan 2023 04:37:28 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 935D0DEB8; Wed, 4 Jan 2023 01:37:27 -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 28B5C42037; Wed, 4 Jan 2023 09:37:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1672825046; bh=LVorCvTWQkz/Q2WObjMPReptUQz5qI2RIky6WbFd8ZQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FoXDLqQ9RJ5PImr1LqyPYsRNBNO4bSKH61SINclpT988VTvJ1vEqCI5lCEC5J6ePQ FPsZvNqk3caFL9tYimvlB0lZ/cB+e5rEe66VCkomQMaQpA+RujCsHSNpnQegzh8jpR QRmAP46ut4paie3FM8Zo1Mw4Qh9wo2yWoqK/qcao4ikw7THfXnKBCtYz77kRCkvoYO dcGEjXjX28FKa4oS+vZVNkvG8D/ARjh7M/OK9ge18pgB8J4aoe5r2AV6Tkg1ALsg+l 5otvzwYClu7BMGuJT+UrKDsdqcy3UtMnMjnQaD9Zzm380LvqTPIujaza22/IwVoNXF 1qovWHKLEcibQ== 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 1/5] spi: dt-bindings: Rename spi-cs-setup-ns to spi-cs-setup-delay-ns Date: Wed, 4 Jan 2023 18:36:27 +0900 Message-Id: <20230104093631.15611-2-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 Other delay values follow the delay-ns naming convention, so unify the newly introduced spi-cs-setup-ns property for consistency. Also fix a typo while we're here. Fixes: f6c911f3308c ("spi: dt-bindings: Introduce spi-cs-setup-ns property") Signed-off-by: Hector Martin --- .../devicetree/bindings/spi/spi-peripheral-props.yaml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml index ead2cccf658f..9a60c0664bbe 100644 --- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml +++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml @@ -44,9 +44,9 @@ properties: description: Maximum SPI clocking speed of the device in Hz. - spi-cs-setup-ns: + spi-cs-setup-delay-ns: description: - Delay in nanosecods to be introduced by the controller after CS is + Delay in nanoseconds to be introduced by the controller after CS is asserted. spi-rx-bus-width: From patchwork Wed Jan 4 09:36:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 13088370 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 3C084C54EBC for ; Wed, 4 Jan 2023 09:37:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233975AbjADJhx (ORCPT ); Wed, 4 Jan 2023 04:37:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234187AbjADJhb (ORCPT ); Wed, 4 Jan 2023 04:37:31 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 261E9F013; Wed, 4 Jan 2023 01:37:31 -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 B7D28420D8; Wed, 4 Jan 2023 09:37:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1672825049; bh=G5TX+anFIWoHfncOvTyCwezW20GEHFXk9oFHLEBFckQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lZku2SsDXtQgkl+j/JnSAI0Sc4jUBUce48BoVpuaugQ0McVzrb3comLL2fiS68SoB NS0Z/IAYGGoaClPSXDNap/gv5wj2RrvXopGO5H5lb5noedGMZI2uHKbUxfIJ1uhBIs arS+tsrzsRakh65bSU6I69socaF6XVSe6miN5ZiDkEiwYZ4R4aUH+k3desfmF3xogA 8yqK5gJtK6Mw/v5gQeXqBgclCXtpBGkLsWVwYOFIdDj+7GoDx06StYgOreEzHo0RTA mRYA3gV83KjvEMElxr4RJPCifKL0qdLacUCjf1ZaB1z0k+sf+X37T5oFG5Dle09fs/ Uwh+DgGrivTRw== 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 2/5] spi: Rename spi-cs-setup-ns property to spi-cs-setup-delay-ns Date: Wed, 4 Jan 2023 18:36:28 +0900 Message-Id: <20230104093631.15611-3-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 As mentioned in the corresponding DT binding commit, the naming scheme for delay properties includes "delay" in the name, so let's keep that consistent. Fixes: 33a2fde5f77b ("spi: Introduce spi-cs-setup-ns property") Signed-off-by: Hector Martin --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 3cc7bb4d03de..15f174f4e056 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2310,7 +2310,7 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, if (!of_property_read_u32(nc, "spi-max-frequency", &value)) spi->max_speed_hz = value; - if (!of_property_read_u16(nc, "spi-cs-setup-ns", &cs_setup)) { + if (!of_property_read_u16(nc, "spi-cs-setup-delay-ns", &cs_setup)) { spi->cs_setup.value = cs_setup; spi->cs_setup.unit = SPI_DELAY_UNIT_NSECS; } From patchwork Wed Jan 4 09:36:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 13088369 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 BABEDC4708E for ; Wed, 4 Jan 2023 09:37:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234097AbjADJhy (ORCPT ); Wed, 4 Jan 2023 04:37:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234567AbjADJhg (ORCPT ); Wed, 4 Jan 2023 04:37:36 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5CF5F015; Wed, 4 Jan 2023 01:37:34 -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 51F6742137; Wed, 4 Jan 2023 09:37:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1672825053; bh=yxqAc1bBEfZDS+8bRfcAcj3SjysPRG0Y/YATmIkz/cs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=pUVvWOp1RYpDwgh5qbEt7nGu6aC/XdWaW3yV1D8l0utAhMB6LWzMX35bp1Kv3xjP6 oKjaOntsGEpiqjOpd8AhWgWTKNAH+mavHz0wdzLmfyYBODGdt1xkGw0Ru/rklw+HFp WfB7+WF7VfKmHpI9U05k3JV3a+ux0pWuzsM5+dW2jwvyBSY2pUGy8wSK0teca73RvS do3YMpMCo9gskQ1Q1396CKy3dNjcQ5sBB/QGX9ViFT1GjOaVWaUCkANJQC3p5pKeyu 1N97/zUobhhRuLtX+GfehEyV8+/PXKfAUL/REdSX4QcAPGzgtAjEB6oQxn/TG/ZUol 5+9IFWSbtMbcA== 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 3/5] spi: Use a 32-bit DT property for spi-cs-setup-delay-ns Date: Wed, 4 Jan 2023 18:36:29 +0900 Message-Id: <20230104093631.15611-4-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 65us is not a reasonable maximum for this property, as some devices might need a much longer setup time (e.g. those driven by firmware on the other end). Plus, device tree property values are in 32-bit cells and smaller widths should not be used without good reason. Also move the logic to a helper function, since this will later be used to parse other CS delay properties too. Fixes: 33a2fde5f77b ("spi: Introduce spi-cs-setup-ns property") Signed-off-by: Janne Grunau Signed-off-by: Hector Martin --- drivers/spi/spi.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 15f174f4e056..370e4c85dc54 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2220,6 +2220,22 @@ void spi_flush_queue(struct spi_controller *ctlr) /*-------------------------------------------------------------------------*/ #if defined(CONFIG_OF) +static void of_spi_parse_dt_cs_delay(struct device_node *nc, + struct spi_delay *delay, const char *prop) +{ + u32 value; + + if (!of_property_read_u32(nc, prop, &value)) { + if (value > U16_MAX) { + delay->value = DIV_ROUND_UP(value, 1000); + delay->unit = SPI_DELAY_UNIT_USECS; + } else { + delay->value = value; + delay->unit = SPI_DELAY_UNIT_NSECS; + } + } +} + static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, struct device_node *nc) { @@ -2310,10 +2326,8 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, if (!of_property_read_u32(nc, "spi-max-frequency", &value)) spi->max_speed_hz = value; - if (!of_property_read_u16(nc, "spi-cs-setup-delay-ns", &cs_setup)) { - spi->cs_setup.value = cs_setup; - spi->cs_setup.unit = SPI_DELAY_UNIT_NSECS; - } + /* Device CS delays */ + of_spi_parse_dt_cs_delay(nc, &spi->cs_setup, "spi-cs-setup-delay-ns"); return 0; } 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. From patchwork Wed Jan 4 09:36:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 13088372 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 9A0B4C46467 for ; Wed, 4 Jan 2023 09:38:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234504AbjADJh4 (ORCPT ); Wed, 4 Jan 2023 04:37:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239084AbjADJhp (ORCPT ); Wed, 4 Jan 2023 04:37:45 -0500 Received: from mail.marcansoft.com (marcansoft.com [212.63.210.85]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E18C117E2B; Wed, 4 Jan 2023 01:37:41 -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 7E0C0420D8; Wed, 4 Jan 2023 09:37:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=marcan.st; s=default; t=1672825060; bh=rdmw0AAv8JUVqSABjH94DjQUi17V4aIuJjoXwrcyMYw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cB9pcZPr25EvIeGxKjVqZHlQdUkDe0DMt87brdQs51n36VswtMKLT06WVoYsrWJUU PA9zQke30TKjaDmuT/lHa4ZiPqOy/KTMNnNyjpUbfdM1ecv1JdxdhIjDG6A3Z/PN4o pctFhC6SGPlOUh6rsit/sol6qmJv0oP97jEr9UTp6cb35o+2ymFBoO6Ron0qoiyP2/ p7t+rfdH675btv20WPEU+iUxUvujYi5oha6sc6x3zdgfUnt90SfWDeWbt/yqlmBqaL OE6v1LNYR2730Lrhdu/XlqKfIqdsxq7svw3pIXf5KMKUXGd3tKo/nuQVWop/XKSHyA 5BtWOzosrkMyw== 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 5/5] spi: Parse hold/inactive CS delay values from the DT Date: Wed, 4 Jan 2023 18:36:31 +0900 Message-Id: <20230104093631.15611-6-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 Now that we support parsing the setup time from the Device Tree, we can also easily support the remaining hold and inactive time delay values. Signed-off-by: Janne Grunau Signed-off-by: Hector Martin --- drivers/spi/spi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 370e4c85dc54..0d84f90ab218 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2328,6 +2328,8 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, /* Device CS delays */ of_spi_parse_dt_cs_delay(nc, &spi->cs_setup, "spi-cs-setup-delay-ns"); + of_spi_parse_dt_cs_delay(nc, &spi->cs_hold, "spi-cs-hold-delay-ns"); + of_spi_parse_dt_cs_delay(nc, &spi->cs_inactive, "spi-cs-inactive-delay-ns"); return 0; }