From patchwork Mon Oct 15 11:48:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641591 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AE9A518FD for ; Mon, 15 Oct 2018 11:48:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A59929691 for ; Mon, 15 Oct 2018 11:48:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8E5DF296D3; Mon, 15 Oct 2018 11:48:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 71BBA296BC for ; 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Mon, 15 Oct 2018 11:48:01 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.027; Mon, 15 Oct 2018 11:48:01 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v2 1/7] spi: add support for octal I/O data transfer Thread-Topic: [PATCH v2 1/7] spi: add support for octal I/O data transfer Thread-Index: AQHUZHzsiV0kUSLvEEOUFn0AqcywiQ== Date: Mon, 15 Oct 2018 11:48:01 +0000 Message-ID: <1539603969-21076-2-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR02CA0068.apcprd02.prod.outlook.com (2603:1096:4:54::32) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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SPI_TX_OCTAL: transmit with 8 wires SPI_RX_OCTAL: receive with 8 wires Signed-off-by: Yogesh Gaur --- Changes for v2: Incorporated review comments of Boris. drivers/spi/spi.c | 6 ++++++ include/linux/spi/spi.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ec395a6..80f672f 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1573,6 +1573,9 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, case 4: spi->mode |= SPI_TX_QUAD; break; + case 8: + spi->mode |= SPI_TX_OCTAL; + break; default: dev_warn(&ctlr->dev, "spi-tx-bus-width %d not supported\n", @@ -1591,6 +1594,9 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, case 4: spi->mode |= SPI_RX_QUAD; break; + case 8: + spi->mode |= SPI_RX_OCTAL; + break; default: dev_warn(&ctlr->dev, "spi-rx-bus-width %d not supported\n", diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a64235e..2d21307 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -163,6 +163,8 @@ struct spi_device { #define SPI_TX_QUAD 0x200 /* transmit with 4 wires */ #define SPI_RX_DUAL 0x400 /* receive with 2 wires */ #define SPI_RX_QUAD 0x800 /* receive with 4 wires */ +#define SPI_TX_OCTAL 0x1000 /* transmit with 8 wires */ +#define SPI_RX_OCTAL 0x2000 /* receive with 8 wires */ int irq; void *controller_state; void *controller_data; From patchwork Mon Oct 15 11:48:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641595 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A4263112B for ; Mon, 15 Oct 2018 11:48:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 943A72941F for ; Mon, 15 Oct 2018 11:48:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 87897292A3; Mon, 15 Oct 2018 11:48:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D9B8528895 for ; 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Mon, 15 Oct 2018 11:48:07 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.027; Mon, 15 Oct 2018 11:48:07 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v2 2/7] mtd: spi-nor: add opcodes for octal Read/Write commands Thread-Topic: [PATCH v2 2/7] mtd: spi-nor: add opcodes for octal Read/Write commands Thread-Index: AQHUZHzwXz3A8eg3bUKJ/kFctIlW3Q== Date: Mon, 15 Oct 2018 11:48:07 +0000 Message-ID: <1539603969-21076-3-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR02CA0068.apcprd02.prod.outlook.com (2603:1096:4:54::32) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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Signed-off-by: Vignesh R Signed-off-by: Yogesh Gaur --- Changes for v2: Incorporated review comments of Boris and Vignesh drivers/mtd/spi-nor/spi-nor.c | 12 ++++++++++++ include/linux/mtd/spi-nor.h | 8 ++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 0b8a6e0..7c64ff0 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -90,6 +90,7 @@ struct flash_info { #define NO_CHIP_ERASE BIT(12) /* Chip does not support chip erase */ #define SPI_NOR_SKIP_SFDP BIT(13) /* Skip parsing of SFDP tables */ #define USE_CLSR BIT(14) /* use CLSR command */ +#define SPI_NOR_OCTAL_READ BIT(15) /* Flash supports Octal Read */ int (*quad_enable)(struct spi_nor *nor); }; @@ -209,6 +210,8 @@ static inline u8 spi_nor_convert_3to4_read(u8 opcode) { SPINOR_OP_READ_1_2_2, SPINOR_OP_READ_1_2_2_4B }, { SPINOR_OP_READ_1_1_4, SPINOR_OP_READ_1_1_4_4B }, { SPINOR_OP_READ_1_4_4, SPINOR_OP_READ_1_4_4_4B }, + { SPINOR_OP_READ_1_1_8, SPINOR_OP_READ_1_1_8_4B }, + { SPINOR_OP_READ_1_8_8, SPINOR_OP_READ_1_8_8_4B }, { SPINOR_OP_READ_1_1_1_DTR, SPINOR_OP_READ_1_1_1_DTR_4B }, { SPINOR_OP_READ_1_2_2_DTR, SPINOR_OP_READ_1_2_2_DTR_4B }, @@ -225,6 +228,8 @@ static inline u8 spi_nor_convert_3to4_program(u8 opcode) { SPINOR_OP_PP, SPINOR_OP_PP_4B }, { SPINOR_OP_PP_1_1_4, SPINOR_OP_PP_1_1_4_4B }, { SPINOR_OP_PP_1_4_4, SPINOR_OP_PP_1_4_4_4B }, + { SPINOR_OP_PP_1_1_8, SPINOR_OP_PP_1_1_8_4B }, + { SPINOR_OP_PP_1_8_8, SPINOR_OP_PP_1_8_8_4B }, }; return spi_nor_convert_opcode(opcode, spi_nor_3to4_program, @@ -3195,6 +3200,13 @@ static int spi_nor_init_params(struct spi_nor *nor, SNOR_PROTO_1_1_4); } + if (info->flags & SPI_NOR_OCTAL_READ) { + params->hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8; + spi_nor_set_read_settings(¶ms->reads[SNOR_CMD_READ_1_1_8], + 0, 8, SPINOR_OP_READ_1_1_8, + SNOR_PROTO_1_1_8); + } + /* Page Program settings. */ params->hwcaps.mask |= SNOR_HWCAPS_PP; spi_nor_set_pp_settings(¶ms->page_programs[SNOR_CMD_PP], diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 8b1acf6..019f534 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -50,9 +50,13 @@ #define SPINOR_OP_READ_1_2_2 0xbb /* Read data bytes (Dual I/O SPI) */ #define SPINOR_OP_READ_1_1_4 0x6b /* Read data bytes (Quad Output SPI) */ #define SPINOR_OP_READ_1_4_4 0xeb /* Read data bytes (Quad I/O SPI) */ +#define SPINOR_OP_READ_1_1_8 0x8b /* Read data bytes (Octal Output SPI) */ +#define SPINOR_OP_READ_1_8_8 0xcb /* Read data bytes (Octal I/O SPI) */ #define SPINOR_OP_PP 0x02 /* Page program (up to 256 bytes) */ #define SPINOR_OP_PP_1_1_4 0x32 /* Quad page program */ #define SPINOR_OP_PP_1_4_4 0x38 /* Quad page program */ +#define SPINOR_OP_PP_1_1_8 0x82 /* Octal page program */ +#define SPINOR_OP_PP_1_8_8 0xc2 /* Octal page program */ #define SPINOR_OP_BE_4K 0x20 /* Erase 4KiB block */ #define SPINOR_OP_BE_4K_PMC 0xd7 /* Erase 4KiB block on PMC chips */ #define SPINOR_OP_BE_32K 0x52 /* Erase 32KiB block */ @@ -73,9 +77,13 @@ #define SPINOR_OP_READ_1_2_2_4B 0xbc /* Read data bytes (Dual I/O SPI) */ #define SPINOR_OP_READ_1_1_4_4B 0x6c /* Read data bytes (Quad Output SPI) */ #define SPINOR_OP_READ_1_4_4_4B 0xec /* Read data bytes (Quad I/O SPI) */ +#define SPINOR_OP_READ_1_1_8_4B 0x7c /* Read data bytes (Octal Output SPI) */ +#define SPINOR_OP_READ_1_8_8_4B 0xcc /* Read data bytes (Octal I/O SPI) */ #define SPINOR_OP_PP_4B 0x12 /* Page program (up to 256 bytes) */ #define SPINOR_OP_PP_1_1_4_4B 0x34 /* Quad page program */ #define SPINOR_OP_PP_1_4_4_4B 0x3e /* Quad page program */ +#define SPINOR_OP_PP_1_1_8_4B 0x84 /* Octal page program */ +#define SPINOR_OP_PP_1_8_8_4B 0x8e /* Octal page program */ #define SPINOR_OP_BE_4K_4B 0x21 /* Erase 4KiB block */ #define SPINOR_OP_BE_32K_4B 0x5c /* Erase 32KiB block */ #define SPINOR_OP_SE_4B 0xdc /* Sector erase (usually 64KiB) */ From patchwork Mon Oct 15 11:48:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641597 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3BF52112B for ; Mon, 15 Oct 2018 11:48:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DF052947E for ; Mon, 15 Oct 2018 11:48:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 218BB2941F; Mon, 15 Oct 2018 11:48:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AEFF62941F for ; 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Mon, 15 Oct 2018 11:48:13 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.027; Mon, 15 Oct 2018 11:48:13 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v2 3/7] mtd: spi-nor: add octal read flag for flash mt35xu512aba Thread-Topic: [PATCH v2 3/7] mtd: spi-nor: add octal read flag for flash mt35xu512aba Thread-Index: AQHUZHzzKNGdPxeY8EyFFoPgzHf0KA== Date: Mon, 15 Oct 2018 11:48:13 +0000 Message-ID: <1539603969-21076-4-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR02CA0068.apcprd02.prod.outlook.com (2603:1096:4:54::32) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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This flash, mt35xu512aba, is only complaint to SFDP JESD216B and does not seem to support newer JESD216C standard that provides auto detection of Octal mode capabilities and opcodes. Therefore, this capability is manually added using new SPI_NOR_OCTAL_READ flag. Signed-off-by: Vignesh R Signed-off-by: Yogesh Gaur --- Changes for v2: Incorporated review comments of Boris and Vignesh drivers/mtd/spi-nor/spi-nor.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 7c64ff0..574f3e6 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1413,7 +1413,8 @@ static const struct flash_info spi_nor_ids[] = { /* Micron */ { "mt35xu512aba", INFO(0x2c5b1a, 0, 128 * 1024, 512, - SECT_4K | USE_FSR | SPI_NOR_4B_OPCODES) + SECT_4K | USE_FSR | SPI_NOR_OCTAL_READ | + SPI_NOR_4B_OPCODES) }, /* PMC */ From patchwork Mon Oct 15 11:48:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641599 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 605E4112B for ; 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Assign hw-capability mask bits for octal transfer. Signed-off-by: Yogesh Gaur --- Changes for v2: Incorporated review comments of Boris. drivers/mtd/devices/m25p80.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index cb14cf9..e5e632c 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -175,7 +175,14 @@ static int m25p_probe(struct spi_mem *spimem) spi_mem_set_drvdata(spimem, flash); flash->spimem = spimem; - if (spi->mode & SPI_RX_QUAD) { + if (spi->mode & SPI_RX_OCTAL) { + hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8; + + if (spi->mode & SPI_TX_OCTAL) + hwcaps.mask |= (SNOR_HWCAPS_READ_1_8_8 | + SNOR_HWCAPS_PP_1_1_8 | + SNOR_HWCAPS_PP_1_8_8); + } else if (spi->mode & SPI_RX_QUAD) { hwcaps.mask |= SNOR_HWCAPS_READ_1_1_4; if (spi->mode & SPI_TX_QUAD) From patchwork Mon Oct 15 11:48:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641601 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0876118FD for ; 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Mon, 15 Oct 2018 15:33:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=3WIJfYaOQP26NVdDckQvWIuYKXtRUkBOzadkxFb8Dxs=; b=Cq4k7voPR90EwM36PyLdTEdMJ+JlbRePL7PX3XVl9/LIamwnzIDtdx0ORVNSt6o5CxATw2qrB/FhWXsBGE/NIf5HDo8hb3bx5vrPZasfZ43FK340uh3cahN9UNqdESyKAP0AKrzykI3A1jnrp8V4ifleSIPZ3vFvLMFLNu2HiVk= Received: from VI1PR04MB1038.eurprd04.prod.outlook.com (10.161.109.144) by VI1PR04MB1616.eurprd04.prod.outlook.com (10.164.84.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1228.23; Mon, 15 Oct 2018 11:48:26 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.027; Mon, 15 Oct 2018 11:48:26 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v2 5/7] spi: spi-mem: add support for octal I/O data transfer Thread-Topic: [PATCH v2 5/7] spi: spi-mem: add support for octal I/O data transfer Thread-Index: AQHUZHz6nk0xLhiq/UWKm2fQK4r7Ig== Date: Mon, 15 Oct 2018 11:48:25 +0000 Message-ID: <1539603969-21076-6-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR02CA0068.apcprd02.prod.outlook.com (2603:1096:4:54::32) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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Signed-off-by: Yogesh Gaur --- Changes for v2: Patch added in v2 version. drivers/spi/spi-mem.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index c6bdea7..6fa95f8 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -12,7 +12,7 @@ #include "internals.h" -#define SPI_MEM_MAX_BUSWIDTH 4 +#define SPI_MEM_MAX_BUSWIDTH 8 /** * spi_controller_dma_map_mem_op_data() - DMA-map the buffer attached to a @@ -121,6 +121,13 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx) break; + case 8: + if ((tx && (mode & SPI_TX_OCTAL)) || + (!tx && (mode & SPI_RX_OCTAL))) + return 0; + + break; + default: break; } From patchwork Mon Oct 15 11:48:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641603 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E804C18FD for ; 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Mon, 15 Oct 2018 15:33:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1Zo8AWgVIPohKPkaxItV4rZx7dVTrfVzyCBq6uTe+8U=; b=H0qpy5utFgrea78jUwxQMgChK7RLCwHqqeOhredELSsIMS/M544DAbzMw5/p7bnVJYQje6ID7toDLje+GuOae69c8gL2mUhhlAruOC/b34DDFHELZzxC1tE0ZxGsinBg3nozRtYF65d4gVan1LcJAK4Dux0W+2DfGkBRpcSpnvc= Received: from VI1PR04MB1038.eurprd04.prod.outlook.com (10.161.109.144) by VI1PR04MB1616.eurprd04.prod.outlook.com (10.164.84.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1228.23; Mon, 15 Oct 2018 11:48:31 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.027; Mon, 15 Oct 2018 11:48:31 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v2 6/7] spi: nxp-fspi: add mode flag bit for octal support Thread-Topic: [PATCH v2 6/7] spi: nxp-fspi: add mode flag bit for octal support Thread-Index: AQHUZHz+LQlNXeoqgECfJrRyb8GFHQ== Date: Mon, 15 Oct 2018 11:48:31 +0000 Message-ID: <1539603969-21076-7-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR02CA0068.apcprd02.prod.outlook.com (2603:1096:4:54::32) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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NXP FlexSPI controller supports octal mode data transfer. Signed-off-by: Yogesh Gaur --- Changes for v2: None drivers/spi/spi-nxp-fspi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index 67eea88..c48ca94 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -993,8 +993,8 @@ static int nxp_fspi_probe(struct platform_device *pdev) if (!ctlr) return -ENOMEM; - ctlr->mode_bits = SPI_RX_DUAL | SPI_RX_QUAD | - SPI_TX_DUAL | SPI_TX_QUAD; + ctlr->mode_bits = SPI_RX_DUAL | SPI_RX_QUAD | SPI_RX_OCTAL | + SPI_TX_DUAL | SPI_TX_QUAD | SPI_TX_OCTAL; f = spi_controller_get_devdata(ctlr); f->dev = dev; From patchwork Mon Oct 15 11:48:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 10641605 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CC6B618FD for ; 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Mon, 15 Oct 2018 15:33:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wlTvKAy11pYmvkpxMUN8SJAvwSjb3FEvtpgnOcrcNKQ=; b=beRv9onm2R0567x1uBPPkvybjX7RVAhV2+yywrKNXTLNQGV9q3X/f+k0OfQkH9T26RYHhACy3maR47pCpZePhXNZ2GOs1X2ssVmC+OVlr9NEbYYxzYeR04uQU3bPT0xbraRX3GAVYPqlHQ+cKdFdC9lUGny2vcnYkpYGZFduw4o= Received: from VI1PR04MB1038.eurprd04.prod.outlook.com (10.161.109.144) by VI1PR04MB4912.eurprd04.prod.outlook.com (20.177.49.161) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1228.23; Mon, 15 Oct 2018 11:48:37 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.027; Mon, 15 Oct 2018 11:48:37 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v2 7/7] arm64: dts: lx2160a: update fspi node Thread-Topic: [PATCH v2 7/7] arm64: dts: lx2160a: update fspi node Thread-Index: AQHUZH0CH9NuyTQbaUSk9MuShuFRIw== Date: Mon, 15 Oct 2018 11:48:37 +0000 Message-ID: <1539603969-21076-8-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539603969-21076-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR02CA0068.apcprd02.prod.outlook.com (2603:1096:4:54::32) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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Added flag spi-rx-bus-width and spi-tx-bus-width with values as 8 and 8 respectively for both flashes connected at CS0 and CS1. Signed-off-by: Yogesh Gaur --- Changes for v2: None arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts index 3b20c97..24cc41c 100644 --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts @@ -45,6 +45,8 @@ m25p,fast-read; spi-max-frequency = <20000000>; reg = <0>; + spi-rx-bus-width = <8>; + spi-tx-bus-width = <8>; }; mt35xu512aba1: flash@1 { @@ -54,6 +56,8 @@ m25p,fast-read; spi-max-frequency = <20000000>; reg = <1>; + spi-rx-bus-width = <8>; + spi-tx-bus-width = <8>; }; };