Message ID | 1539605534-22302-6-git-send-email-yogeshnarayan.gaur@nxp.com |
---|---|
State | Superseded |
Delegated to: | Boris Brezillon |
Headers | show
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Mon, 15 Oct 2018 12:14:28 +0000 From: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> To: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>, "boris.brezillon@bootlin.com" <boris.brezillon@bootlin.com>, "marek.vasut@gmail.com" <marek.vasut@gmail.com>, "vigneshr@ti.com" <vigneshr@ti.com>, "linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org> Subject: [PATCH v2 5/7] mtd: m25p80: add support of octal I/O transfer Thread-Topic: [PATCH v2 5/7] mtd: m25p80: add support of octal I/O transfer Thread-Index: AQHUZICeK4t/3D3pX0Kd13n0ub7g1w== Date: Mon, 15 Oct 2018 12:14:27 +0000 Message-ID: <1539605534-22302-6-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1539605534-22302-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1539605534-22302-1-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: SG2PR02CA0054.apcprd02.prod.outlook.com (2603:1096:4:54::18) 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: add support for octal mode
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expand
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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)
Add support for octal I/O data transfer based on the controller (spi) mode. Assign hw-capability mask bits for octal transfer. Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com> --- Changes for v2: Incorporated review comments of Boris. drivers/mtd/devices/m25p80.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)