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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 X-Provags-ID: V03:K1:fEubDti3aDbWQ3NePpK//inzhLn2La+uc+hDR3Cl0ol3T/Mk1wb jcAB5EmgHOJKnIEq/zMCqNuV3qpoNPkzOyIJu5qanQGoY1ua/xiB2LMxI09pOZPEn0NTLWK p2hq59e4uLShkHDH0a1QW6WBV+RAcmIqE24zkuG4vdcIkqpXAlvXpTl8XFZvkLqPJSEuvoR ptA4GN6zN+ds26T6j3wtw== X-Spam-Flag: NO 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== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231026_082402_756533_868BD1D9 X-CRM114-Status: GOOD ( 10.87 ) X-Spam-Score: -0.9 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: 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. Content analysis details: (-0.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [212.227.15.18 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [estl[at]gmx.net] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [212.227.15.18 listed in wl.mailspike.net] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org 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(+) -- 2.25.1 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 *spinand, info->op_variants.update_cache); spinand->op_templates.update_cache = op; + spinand->spimem->spi->rx_sample_delay_ns = 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 = __func, +#define SPINAND_RX_SAMPLE_DELAY(__delay) \ + .rx_sample_delay_ns = __delay, + #define SPINAND_INFO(__model, __id, __memorg, __eccreq, __op_variants, \ __flags, ...) \ { \ From patchwork Thu Oct 26 15:23:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eberhard Stoll X-Patchwork-Id: 1855859 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=UVMIcXNX; dkim=fail reason="signature verification failed" (2048-bit key; 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X-Spam-Score: -0.9 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: From: Eberhard Stoll Add tCLQV (Clock Low to Output Valid) parameter for Winbond W25N02KV SPI NAND chip. Signed-off-by: Eberhard Stoll Signed-off-by: Frieder Schrempf --- drivers/mtd/nand/spi/winbond.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Content analysis details: (-0.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [212.227.15.18 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [estl[at]gmx.net] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [212.227.15.18 listed in wl.mailspike.net] X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Eberhard Stoll Add tCLQV (Clock Low to Output Valid) parameter for Winbond W25N02KV SPI NAND chip. Signed-off-by: Eberhard Stoll Signed-off-by: Frieder Schrempf --- drivers/mtd/nand/spi/winbond.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 2.25.1 diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index f507e3759301..c0b05f5cbf1b 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -168,7 +168,8 @@ static const struct spinand_info winbond_spinand_table[] = { &write_cache_variants, &update_cache_variants), 0, - SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status)), + SPINAND_ECCINFO(&w25n02kv_ooblayout, w25n02kv_ecc_get_status), + SPINAND_RX_SAMPLE_DELAY(7)), }; static int winbond_spinand_init(struct spinand_device *spinand)