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>
Cc: "robh@kernel.org" <robh@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"shawnguo@kernel.org" <shawnguo@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"frieder.schrempf@exceet.de" <frieder.schrempf@exceet.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com>
Subject: [PATCH v2 5/7] mtd: m25p80: add support of octal I/O transfer
Date: Mon, 15 Oct 2018 12:14:27 +0000 [thread overview]
Message-ID: <1539605534-22302-6-git-send-email-yogeshnarayan.gaur@nxp.com> (raw)
In-Reply-To: <1539605534-22302-1-git-send-email-yogeshnarayan.gaur@nxp.com>
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(-)
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)
--
2.7.4
next prev parent reply other threads:[~2018-10-15 12:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-15 12:13 [PATCH v2 0/7] spi: add support for octal mode Yogesh Narayan Gaur
2018-10-15 12:14 ` [PATCH v2 1/7] spi: add support for octal I/O data transfer Yogesh Narayan Gaur
2018-10-15 12:14 ` [PATCH v2 2/7] spi: spi-mem: " Yogesh Narayan Gaur
2018-10-15 12:14 ` [PATCH v2 3/7] mtd: spi-nor: add opcodes for octal Read/Write commands Yogesh Narayan Gaur
2018-10-15 12:14 ` [PATCH v2 4/7] mtd: spi-nor: add octal read flag for flash mt35xu512aba Yogesh Narayan Gaur
2018-10-15 12:14 ` Yogesh Narayan Gaur [this message]
2018-10-15 12:14 ` [PATCH v2 6/7] spi: nxp-fspi: add mode flag bit for octal support Yogesh Narayan Gaur
2018-10-15 12:14 ` [PATCH v2 7/7] arm64: dts: lx2160a: update fspi node Yogesh Narayan Gaur
2018-10-22 12:40 ` [PATCH v2 0/7] spi: add support for octal mode Boris Brezillon
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