Enable driver support of NXP FlexSPI controller.
Signed-off-by: Yogesh Gaur
---
Changes for v4:
- None
Changes for v3:
- None
Changes for v2:
- None
arch/arm64/configs/defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
).
Verified this driver on following SPI NOR flashes:
Micron, mt35xu512ab, [Read - 1 bit mode]
Cypress, s25fl512s, [Read - 1/2/4 bit mode]
Signed-off-by: Yogesh Gaur
---
Changes for v4:
- Incorporate Boris review comments
* Use readl_poll_timeout() instead of busy looping.
* Re-define
Add maintainers for the NXP FlexSPI driver
Signed-off-by: Yogesh Gaur
---
Changes for v4:
- None
Changes for v3:
- None
Changes for v2:
- None
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9d5eeff..2696898 100644
--- a/MAINTAINERS
+++ b
- 1/2/4 bit mode]
[1] https://www.nxp.com/docs/en/reference-manual/IMXRT1050RM.pdf
[2] https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=9721
[3] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=63445
Yogesh Gaur (5):
spi: spi-mem: Add driver for NXP FlexSPI
Add fspi node property for LX2160A SoC for FlexSPI driver.
Property added for the FlexSPI controller and for the connected
slave device for the LX2160ARDB target.
This is having two SPI-NOR flash device, mt35xu512aba, connected
at CS0 and CS1.
Signed-off-by: Yogesh Gaur
---
Changes for v4
Add binding file for NXP FlexSPI controller
Signed-off-by: Yogesh Gaur
---
Changes for v4:
- Incorporated Rob review comments.
Changes for v3:
- Removed node property 'big-endian'.
Changes for v2:
- Incorporated Rob review comments.
.../devicetree/bindings/spi/spi-nxp-fspi.txt
t@ls1012ardb:~#
Flash device MTD0 configured in 1-1-1 protocol.
Flash device MTD1 configured in 1-1-8 protocol.
[1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=66317
[2] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=66887
Yogesh Gaur (4):
spi: add support for
Flash mt35xu512aba connected to FlexSPI controller supports
1-1-8 protocol.
Added flag spi-rx-bus-width and spi-tx-bus-width with values as
8 and 1 respectively for both flashes connected at CS0 and CS1.
Signed-off-by: Yogesh Gaur
---
arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 4
using new SPI_NOR_OCTAL_READ flag.
Added support of Octal mode parsing for 'm25p80' spi-nor flash interface.
Signed-off-by: Vignesh R
Signed-off-by: Yogesh Gaur
---
drivers/mtd/devices/m25p80.c | 9 -
drivers/mtd/spi-nor/spi-nor.c | 14 +-
include/linux/mtd/spi-no
Add flags for Octal I/O data transfer
Required for the SPI controller which can do the data transfer (TX/RX)
on 8 data lines e.g. NXP FlexSPI controller.
SPI_TX_OCTAL: transmit with 8 wires
SPI_RX_OCTAL: receive with 8 wires
Signed-off-by: Yogesh Gaur
---
drivers/spi/spi.c | 6
Add mode flags for octal I/O data transfer support.
NXP FlexSPI controller supports octal mode data transfer.
Signed-off-by: Yogesh Gaur
---
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
Add maintainers for the NXP FlexSPI driver
Signed-off-by: Yogesh Gaur
---
Changes for v3:
- None
Changes for v2:
- None
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9d5eeff..2696898 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10228,6
://patchwork.ozlabs.org/project/linux-mtd/list/?series=63445
Yogesh Gaur (5):
spi: spi-mem: Add driver for NXP FlexSPI controller
dt-bindings: spi: add binding file for NXP FlexSPI controller
arm64: dts: lx2160a: add FlexSPI node property
arm64: defconfig: enable NXP FlexSPI driver
MAINTAINERS: add
).
Verified this driver on following SPI NOR flashes:
Micron, mt35xu512ab, [Read - 1 bit mode]
Cypress, s25fl512s, [Read - 1/2/4 bit mode]
Signed-off-by: Yogesh Gaur
---
Changes for v3:
- Added endianness flag in platform specific structure instead of DTS.
- Modified nxp_fspi_read_ahb
Add fspi node property for LX2160A SoC for FlexSPI driver.
Property added for the FlexSPI controller and for the connected
slave device for the LX2160ARDB target.
This is having two SPI-NOR flash device, mt35xu512aba, connected
at CS0 and CS1.
Signed-off-by: Yogesh Gaur
---
Changes for v3
Add binding file for NXP FlexSPI controller
Signed-off-by: Yogesh Gaur
---
Changes for v3:
- None
Changes for v2:
- Incorporated Rob review comments.
.../devicetree/bindings/spi/spi-nxp-fspi.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644
Enable driver support of NXP FlexSPI controller.
Signed-off-by: Yogesh Gaur
---
Changes for v3:
- None
Changes for v2:
- None
arch/arm64/configs/defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 3cfa8ca..75ceddf
mt35xu512aba flash in spi_nor_ids table.
Yogesh Gaur (2):
mtd: spi-nor: add macros related to MICRON flash
mtd: spi-nor: add entry for mt35xu512aba flash
drivers/mtd/spi-nor/spi-nor.c | 12 +---
include/linux/mtd/cfi.h | 1 +
include/linux/mtd/spi-nor.h | 3 ++-
3 files
Add entry for mt35xu512aba Micron NOR flash.
This flash is having uniform sector erase size of 128KB, have
support of FSR(flag status register), flash size is 64MB and
supports 4-byte commands.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/spi-nor.c | 3 +++
1 file changed, 3 insertions
Some MICRON related macros in spi-nor domain were ST.
Rename entries related to STMicroelectronics under macro SNOR_MFR_ST.
Added entry of MFR Id for Micron flashes, 0x002C.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/spi-nor.c | 9 ++---
include/linux/mtd/cfi.h | 1 +
include
).
Verified this driver on following SPI NOR flashes:
Micron, mt35xu512ab, [Read - 1 bit mode]
Cypress, s25fl512s, [Read - 1/2/4 bit mode]
Signed-off-by: Yogesh Gaur
---
Changes for v2:
- Incorporated Boris review comments.
- Remove dependency of driver over connected flash device size.
- Modified
Enable driver support of NXP FlexSPI controller.
Signed-off-by: Yogesh Gaur
---
Changes for v2:
- None.
arch/arm64/configs/defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 3cfa8ca..75ceddf 100644
--- a/arch/arm64
Add maintainers for the NXP FlexSPI driver
Signed-off-by: Yogesh Gaur
---
Changes for v2:
- None.
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9d5eeff..2696898 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10228,6 +10228,12 @@ L
Add fspi node property for LX2160A SoC for FlexSPI driver.
Property added for the FlexSPI controller and for the connected
slave device for the LX2160ARDB target.
This is having two SPI-NOR flash device, mt35xu512aba, connected
at CS0 and CS1.
Signed-off-by: Yogesh Gaur
---
Changes for v2
://patchwork.ozlabs.org/project/linux-mtd/list/?series=63445
Yogesh Gaur (5):
spi: spi-mem: Add driver for NXP FlexSPI controller
dt-bindings: spi: add binding file for NXP FlexSPI controller
arm64: dts: lx2160a: add FlexSPI node property
arm64: defconfig: enable NXP FlexSPI driver
MAINTAINERS: add
Add binding file for NXP FlexSPI controller
Signed-off-by: Yogesh Gaur
---
Changes for v2:
- Incorporated Rob review comments.
.../devicetree/bindings/spi/spi-nxp-fspi.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings
Enable driver support of NXP FlexSPI controller.
Signed-off-by: Yogesh Gaur
---
arch/arm64/configs/defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 3cfa8ca..75ceddf 100644
--- a/arch/arm64/configs/defconfig
+++ b
Add maintainers for the NXP FlexSPI driver
Signed-off-by: Yogesh Gaur
---
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9d5eeff..2696898 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10228,6 +10228,12 @@ L: linux-...@lists.01.org
Add entry in the 'spi-nor/Makefile'.
Signed-off-by: Yogesh Gaur
---
drivers/spi/Kconfig| 10 +
drivers/spi/Makefile |1 +
drivers/spi/spi-nxp-fspi.c | 1242
3 files changed, 1253 insertions(+)
create mode 100644 driver
Add fspi node property for LX2160A SoC for FlexSPI driver.
Property added for the FlexSPI controller and for the connected
slave device for the LX2160ARDB target.
This is having two SPI-NOR flash device, mt35xu512aba, connected
at CS0 and CS1.
Signed-off-by: Yogesh Gaur
---
arch/arm64/boot/dts
ize before making read request
to the SPI controller.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/devices/m25p80.c | 6 ++
drivers/mtd/spi-nor/spi-nor.c | 2 ++
include/linux/spi/spi.h | 2 ++
3 files changed, 10 insertions(+)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/device
Add binding file for NXP FlexSPI driver.
Signed-off-by: Yogesh Gaur
---
.../devicetree/bindings/spi/spi-nxp-fspi.txt | 42 ++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt
diff --git a/Documentation
Add flags for Octal I/O data transfer
Required for the SPI controller which can do data transfer (TX/RX)
on 8 data lines e.g. NXP FlexSPI controller.
SPI_TX_OCTAL: transmit with 8 wires
SPI_RX_OCTAL: receive with 8 wires
Signed-off-by: Yogesh Gaur
---
include/linux/spi/spi.h | 2 ++
1 file
:
Yogesh Gaur (7):
spi: add slave device size in spi_device struct
spi: add flags for octal I/O data transfer
spi: spi-mem: Add a driver for NXP FlexSPI controller
dt-bindings: spi: add binding file for NXP FlexSPI driver
arm64: dts: lx2160a: add fspi node property
arm64: defconfig: enable NXP
mt35xu512aba flash in spi_nor_ids table.
Yogesh Gaur (2):
mtd: spi-nor: add macros related to MICRON flash
mtd: spi-nor: add entry for mt35xu512aba flash
drivers/mtd/spi-nor/spi-nor.c | 12 +---
include/linux/mtd/cfi.h | 1 +
include/linux/mtd/spi-nor.h | 3 ++-
3 files
Add entry for mt35xu512aba Micron NOR flash.
This flash is having uniform sector erase size of 128KB, have
support of FSR(flag status register), flash size is 64MB and
supports 4-byte commands.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/spi-nor.c | 3 +++
1 file changed, 3 insertions
Some MICRON related macros in spi-nor domain were ST.
Rename entries related to STMicroelectronics under macro SNOR_MFR_ST.
Added entry of MFR Id for Micron flashes, 0x002C.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/spi-nor.c | 9 ++---
include/linux/mtd/cfi.h | 1 +
include
Some MICRON related macros in spi-nor domain were ST.
Rename entries related to STMicroelectronics under macro SNOR_MFR_ST.
Added entry of MFR Id for Micron flashes, 0x002C.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/spi-nor.c | 9 ++---
include/linux/mtd/cfi.h | 1 +
include
Add entry for mt35xu512aba Micron NOR flash.
This flash is having uniform sector erase size of 128KB, have
support of FSR(flag status register), flash size is 64MB and
supports 4-byte commands.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/spi-nor.c | 3 +++
1 file changed, 3 insertions
mt35xu512aba flash in spi_nor_ids table.
Yogesh Gaur (2):
mtd: spi-nor: add macros related to MICRON flash
mtd: spi-nor: add entry for mt35xu512aba flash
drivers/mtd/spi-nor/spi-nor.c | 12 +---
include/linux/mtd/cfi.h | 1 +
include/linux/mtd/spi-nor.h | 3 ++-
3 files
, so all we have to do here is
return the actual number of bytes that were written during the
spi_mem_exec_op() operation.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/devices/m25p80.c | 23 ---
1 file changed, 8 insertions(+), 15 deletions(-)
diff --git a/drivers/mtd/devices/m2
Some SPI controllers can't write nor->page_size bytes in a single
step because their TX FIFO is too small.
Allow nor->write() to return a size that is smaller than the requested
write size to gracefully handle this case.
Signed-off-by: Yogesh Gaur
---
drivers/mtd/spi-nor/sp
ize and write, max, only supported
data size.
Signed-off-by: NeilBrown
Signed-off-by: Yogesh Gaur
---
drivers/mtd/devices/m25p80.c | 23 ---
drivers/mtd/spi-nor/spi-nor.c | 7 ---
2 files changed, 8 insertions(+), 22 deletions(-)
diff --git a/drivers/mtd/devices/m25p80.
ize and write, max, only supported
data size.
Signed-off-by: NeilBrown
Signed-off-by: Yogesh Gaur
---
drivers/mtd/devices/m25p80.c | 23 ---
drivers/mtd/spi-nor/spi-nor.c | 7 ---
2 files changed, 8 insertions(+), 22 deletions(-)
diff --git a/drivers/mtd/devices/m25p80.
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