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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>,
	"broonie@kernel.org" <broonie@kernel.org>,
	"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 v3 5/7] mtd: m25p80: add support of octo mode I/O transfer
Date: Tue, 23 Oct 2018 09:37:32 +0000	[thread overview]
Message-ID: <1540287311-1572-6-git-send-email-yogeshnarayan.gaur@nxp.com> (raw)
In-Reply-To: <1540287311-1572-1-git-send-email-yogeshnarayan.gaur@nxp.com>

Add support for octo mode I/O data transfer based on the controller (spi)
mode.
Assign hw-capability mask bits for octo transfer.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
---
Changes for v3:
- Modified string 'octal' with 'octo'.
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..7d5c3a1 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_OCTO) {
+		hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8;
+
+		if (spi->mode & SPI_TX_OCTO)
+			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


WARNING: multiple messages have this Message-ID (diff)
From: yogeshnarayan.gaur@nxp.com (Yogesh Narayan Gaur)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 5/7] mtd: m25p80: add support of octo mode I/O transfer
Date: Tue, 23 Oct 2018 09:37:32 +0000	[thread overview]
Message-ID: <1540287311-1572-6-git-send-email-yogeshnarayan.gaur@nxp.com> (raw)
In-Reply-To: <1540287311-1572-1-git-send-email-yogeshnarayan.gaur@nxp.com>

Add support for octo mode I/O data transfer based on the controller (spi)
mode.
Assign hw-capability mask bits for octo transfer.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
---
Changes for v3:
- Modified string 'octal' with 'octo'.
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..7d5c3a1 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_OCTO) {
+		hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8;
+
+		if (spi->mode & SPI_TX_OCTO)
+			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

  parent reply	other threads:[~2018-10-23  9:37 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-23  9:37 [PATCH v3 0/7] spi: add support for octo mode Yogesh Narayan Gaur
2018-10-23  9:37 ` Yogesh Narayan Gaur
2018-10-23  9:37 ` Yogesh Narayan Gaur
2018-10-23  9:37 ` Yogesh Narayan Gaur
2018-10-23  9:37 ` [PATCH v3 1/7] spi: add support for octo mode I/O data transfer Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:48   ` Boris Brezillon
2018-10-23  9:48     ` Boris Brezillon
2018-10-23  9:48     ` Boris Brezillon
2018-10-23  9:37 ` [PATCH v3 2/7] spi: spi-mem: " Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:49   ` Boris Brezillon
2018-10-23  9:49     ` Boris Brezillon
2018-10-23  9:49     ` Boris Brezillon
2018-10-23  9:37 ` [PATCH v3 3/7] mtd: spi-nor: add opcodes for octo Read/Write commands Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37 ` [PATCH v3 4/7] mtd: spi-nor: add octo read flag for flash mt35xu512aba Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37 ` Yogesh Narayan Gaur [this message]
2018-10-23  9:37   ` [PATCH v3 5/7] mtd: m25p80: add support of octo mode I/O transfer Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37 ` [PATCH v3 6/7] spi: nxp-fspi: add octo mode flag bit for octal support Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37 ` [PATCH v3 7/7] arm64: dts: lx2160a: update fspi node Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-10-23  9:37   ` Yogesh Narayan Gaur
2018-11-13  8:00 ` [PATCH v3 0/7] spi: add support for octo mode Vignesh R
2018-11-13  8:00   ` Vignesh R
2018-11-13  8:00   ` Vignesh R
2018-11-22  5:19   ` Yogesh Narayan Gaur
2018-11-22  5:19     ` Yogesh Narayan Gaur
2018-11-22  5:19     ` Yogesh Narayan Gaur

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