From nobody Wed Dec 17 11:33:21 2025 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 BE1FEC25B48 for ; Thu, 26 Oct 2023 15:24:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345451AbjJZPYM (ORCPT ); Thu, 26 Oct 2023 11:24:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345431AbjJZPYJ (ORCPT ); Thu, 26 Oct 2023 11:24:09 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D40318F for ; Thu, 26 Oct 2023 08:24:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1698333831; x=1698938631; i=estl@gmx.net; bh=SWTSfYAJ6wjPq94D3WZ59HwtQ06vUm4Q2LB7f5lEL+M=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To: References; b=Hq+oYA1A4I4B8RJ8Qblzlf7M8EW+HW5HaZJYlZpwbJaCqtciQeFBVJE1W0Aqyb0C 5sHj3gTP9t5S2aN8VbEs3mEZTu+Idom1bYp67ECkEYvyYQFqQzlWrl3Rr20RSYMY+ ztAqu82w77h9/J93Bi47rJD7u3jr/65W+Qwg0rNLrUchQUlL5K5/s6t1a/PM34jVt f6d0O9+9Gm2NbsYo5BJPG6EYnimPDhnhuJr/hG6NLgsjb0girLZH5mgeChn6gxbq7 1i033FJIcwR6lendHroDPXFimOjhfQjifashQInhRtiBnDKbVWyd4jyTu+vAVIMmX 1zwr4joFgf3fbbSOFw== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from localhost.localdomain ([77.246.119.226]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1M9Wys-1qskQV0yTU-005ZfM; Thu, 26 Oct 2023 17:23:51 +0200 From: Eberhard Stoll To: linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: Eberhard Stoll , Frieder Schrempf , Chuanhong Guo , Mario Kicherer , Martin Kurbanov Subject: [PATCH 2/4] mtd: spinand: Add support for clock to rx delay setting Date: Thu, 26 Oct 2023 17:23:03 +0200 Message-Id: <20231026152316.2729575-3-estl@gmx.net> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231026152316.2729575-1-estl@gmx.net> References: <20231026152316.2729575-1-estl@gmx.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:fEubDti3aDbWQ3NePpK//inzhLn2La+uc+hDR3Cl0ol3T/Mk1wb jcAB5EmgHOJKnIEq/zMCqNuV3qpoNPkzOyIJu5qanQGoY1ua/xiB2LMxI09pOZPEn0NTLWK p2hq59e4uLShkHDH0a1QW6WBV+RAcmIqE24zkuG4vdcIkqpXAlvXpTl8XFZvkLqPJSEuvoR ptA4GN6zN+ds26T6j3wtw== UI-OutboundReport: notjunk:1;M01:P0:WecwLtkKLQc=;XuITYkWd5CcgSFoGdVhSqEemhnG boarAIRBxF0Wd3bgiAB7N7W3pBtkMxZ2YPxaa7wC3WKv8+VRFCtQxa2dEsJ6R/uKncQbRLhdP OFbFkVZeeZ3w/X7oqujToEvjvkBqQDj79H9EIVWPKR261xIjU3pY9j1BygVNH4yR+rJLrjcWx K1QbBy/NR+EBlvIK+oe+mGadp+oexIUyB0PObzjWw+PBGX97nWj5f1HLRhaoCcvreUpBAbE0i GbUq/g3f5OJFRnMv5Nt1ogj6GUnYE+H3Dx1bqHzguHQyQ+j6wR/sNTHmIcSjbcali5fFMSHXy 1fA13a0OxpxvcSzDk0eSgft5rnipdEttQsZIwRKzP13bpEGnXfw8gurJEmr1jiGe+/NCA7ryE 7wyjdsShI2c87RF7R9JXLS5S0FLpxtQZIr92D2vQxMfOUh3/DuZuD/GNXFebxWex5WzqBCHCM HoqWClOthAeNbkT5CktKkiequA3gCABhWIOekZiEW0AtwQhXLOkZR9wVPcniehIKpmOlpqWOI 2HPBAtCe0Z777rtnXBIwPQr4Jd49vBA+WRBiFHjm6YEU6czpEDcJdWAuWaR9IBLZhTjPPtAvE PObjKOw9AzYASA2NgtXyTYsztCyQxdLJm9wwGazCkjs3Eb0iolFwcMqA6/gpSuUsWq/6GCWcS V91T+jP8+6E8+aBCVgPoBHlIRZVBXyNEKvsrCcu1uhRY3m3WyK5hsEkD8OPBFNAJ+iVc6rFQZ fjo4SVO72M9zW/1z1O6YCNnUztHUPf+hj0wAvEX+hnY9QtMG9LPoIkdgb80TfY63mxJiaYXFv P4OOucVbBIQqgI9DUORmDPQnwQaGhZTibtQ9MQX0bwBJWsoEBUywp9q7OD4JhOWTAGGp0PRjX WOyq4nIP4HuALfEhJ07q+5xF1nTp9255HpwFbX28Z2EDPGDwe2YBn7Iub4Bm2BpRJQhQf6pnS TiFwbw== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Eberhard Stoll Add the configuration parameter to set the spi clock to receive data delay parameter for SPI NAND devices. This parameter is often referenced as tCLQV in SPI NAND device data sheets. Signed-off-by: Eberhard Stoll Signed-off-by: Frieder Schrempf --- drivers/mtd/nand/spi/core.c | 2 ++ include/linux/mtd/spinand.h | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 393ff37f0d23..e546b0d1f76f 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -1113,6 +1113,8 @@ int spinand_match_and_init(struct spinand_device *spi= nand, info->op_variants.update_cache); spinand->op_templates.update_cache =3D op; + spinand->spimem->spi->rx_sample_delay_ns =3D table[i].rx_sample_delay_ns; + return 0; } diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 3e285c09d16d..fe34d5259c97 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -326,6 +326,7 @@ struct spinand_ondie_ecc_conf { * @model: model name * @devid: device ID * @flags: OR-ing of the SPINAND_XXX flags + * @rx_sample_delay_ns: clock to rx data delay timing (tCLQV) * @memorg: memory organization * @eccreq: ECC requirements * @eccinfo: on-die ECC info @@ -343,6 +344,7 @@ struct spinand_info { const char *model; struct spinand_devid devid; u32 flags; + u32 rx_sample_delay_ns; struct nand_memory_organization memorg; struct nand_ecc_props eccreq; struct spinand_ecc_info eccinfo; @@ -378,6 +380,9 @@ struct spinand_info { #define SPINAND_SELECT_TARGET(__func) \ .select_target =3D __func, +#define SPINAND_RX_SAMPLE_DELAY(__delay) \ + .rx_sample_delay_ns =3D __delay, + #define SPINAND_INFO(__model, __id, __memorg, __eccreq, __op_variants, \ __flags, ...) \ { \ -- 2.25.1