RE: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
> -Original Message- > From: Boris Brezillon [mailto:boris.brezil...@bootlin.com] > Sent: Monday, October 22, 2018 5:20 PM > To: Yogesh Narayan Gaur > Cc: linux-...@lists.infradead.org; marek.va...@gmail.com; linux- > s...@vger.kernel.org; devicet...@vger.kernel.org; Mark Brown > ; r...@kernel.org; mark.rutl...@arm.com; > shawn...@kernel.org; linux-arm-ker...@lists.infradead.org; > computersforpe...@gmail.com; frieder.schre...@exceet.de; linux- > ker...@vger.kernel.org > Subject: Re: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI > controller > > On Mon, 22 Oct 2018 11:43:40 + > Yogesh Narayan Gaur wrote: > > > + Mark Brown > > > > Complete patch series[1] > > [1] > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpat > > chwork.ozlabs.org%2Fproject%2Flinux- > mtd%2Flist%2F%3Fseries%3D70210 > > ;data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a816c9049d3d > 49b08d > > > 638148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636758058 > 298796 > > > 837sdata=bRHDHAFzwrbeATicJUpv2WpFnxaeAD%2BnVHLAmsXKbKI%3D > res > > erved=0 > > Please resend the patch series with a "PATCH RESEND v4" prefix and explain why > you resend it in the cover letter. > Ok, sure. Thanks > > > > -- > > Regards, > > Yogesh Gaur > > > > > -Original Message- > > > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.g...@nxp.com] > > > Sent: Thursday, October 11, 2018 4:30 PM > > > To: linux-...@lists.infradead.org; boris.brezil...@bootlin.com; > > > marek.va...@gmail.com; linux-...@vger.kernel.org; > > > devicet...@vger.kernel.org > > > Cc: r...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; > > > linux- arm-ker...@lists.infradead.org; computersforpe...@gmail.com; > > > frieder.schre...@exceet.de; linux-kernel@vger.kernel.org; Yogesh > > > Narayan Gaur > > > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI > > > controller > > > > > > - Add driver for NXP FlexSPI host controller > > > > > > FlexSPI is a flexsible SPI host controller [1], Chapter 30 page > > > 1475, which supports two SPI channels and up to 4 external devices. > > > Each channel supports Single/Dual/Quad/Octal mode data transfer > > > (1/2/4/8 bidirectional data lines) i.e. FlexSPI acts as an > > > interface to external devices, maximum 4, each with up to 8 bidirectional > data lines. > > > > > > - Tested this driver with mtd_debug(Erase/Write/Read) utility and > > > JFFS2 filesystem mounting and booting on NXP LX2160ARDB[2] and > > > LX2160AQDS targets. > > > LX2160ARDB is having two NOR slave device connected on single bus A > > > i.e. A0 and A1 (CS0 and CS1). > > > LX2160AQDS is having two NOR slave device connected on separate > > > buses one flash on A0 and second on B1 i.e. (CS0 and CS3). > > > Verified this driver on following SPI NOR flashes: > > >Micron, mt35xu512aba[3], [Read - 1 bit mode] > > >Cypress, s25fl512s, [Read - 1/2/4 bit mode] > > > > > > [1] > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fw > > > ww.nxp.com%2Fdocs%2Fen%2Freference- > manual%2FIMXRT1050RM.pdfdata > > > > =02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a816c9049d3d49b08 > d638 > > > > 148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636758058298 > 8068 > > > > 45sdata=HpuTjqfMqDvobNPD5Ww3zIaotrBXFKgOIh2%2BQ%2BGSE1o%3 > D > > > reserved=0 [2] > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp > > > atchwork.kernel.org%2Fproject%2Flinux-arm-kernel%2Flist%2F%3Fseries% > > > > 3D26689data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a > 816c > > > > 9049d3d49b08d638148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C > 0%7C > > > > 636758058298806845sdata=v1d%2Fe91xeDzhAUvz8X5ousbEPwwgMFxY1 > CBkc > > > Dpuf70%3Dreserved=0 [3] > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp > > > atchwork.ozlabs.org%2Fproject%2Flinux-mtd%2Flist%2F%3Fseries%3D70179 > > > > data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a816c904 > 9d3d > > > > 49b08d638148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636 > 7580 > > > > 58298806845sdata=vE%2FRQW9B4dU9rJqY2RZlNB1uH8smVKsCrGyEOs7 > 50Yk% > > > 3Dreserved=0 > > > > > > Yogesh Gaur (5): > > > spi: spi-mem: Add driver for NXP FlexSPI controller > > >
RE: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
> -Original Message- > From: Boris Brezillon [mailto:boris.brezil...@bootlin.com] > Sent: Monday, October 22, 2018 5:20 PM > To: Yogesh Narayan Gaur > Cc: linux-...@lists.infradead.org; marek.va...@gmail.com; linux- > s...@vger.kernel.org; devicet...@vger.kernel.org; Mark Brown > ; r...@kernel.org; mark.rutl...@arm.com; > shawn...@kernel.org; linux-arm-ker...@lists.infradead.org; > computersforpe...@gmail.com; frieder.schre...@exceet.de; linux- > ker...@vger.kernel.org > Subject: Re: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI > controller > > On Mon, 22 Oct 2018 11:43:40 + > Yogesh Narayan Gaur wrote: > > > + Mark Brown > > > > Complete patch series[1] > > [1] > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpat > > chwork.ozlabs.org%2Fproject%2Flinux- > mtd%2Flist%2F%3Fseries%3D70210 > > ;data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a816c9049d3d > 49b08d > > > 638148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636758058 > 298796 > > > 837sdata=bRHDHAFzwrbeATicJUpv2WpFnxaeAD%2BnVHLAmsXKbKI%3D > res > > erved=0 > > Please resend the patch series with a "PATCH RESEND v4" prefix and explain why > you resend it in the cover letter. > Ok, sure. Thanks > > > > -- > > Regards, > > Yogesh Gaur > > > > > -Original Message- > > > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.g...@nxp.com] > > > Sent: Thursday, October 11, 2018 4:30 PM > > > To: linux-...@lists.infradead.org; boris.brezil...@bootlin.com; > > > marek.va...@gmail.com; linux-...@vger.kernel.org; > > > devicet...@vger.kernel.org > > > Cc: r...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; > > > linux- arm-ker...@lists.infradead.org; computersforpe...@gmail.com; > > > frieder.schre...@exceet.de; linux-kernel@vger.kernel.org; Yogesh > > > Narayan Gaur > > > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI > > > controller > > > > > > - Add driver for NXP FlexSPI host controller > > > > > > FlexSPI is a flexsible SPI host controller [1], Chapter 30 page > > > 1475, which supports two SPI channels and up to 4 external devices. > > > Each channel supports Single/Dual/Quad/Octal mode data transfer > > > (1/2/4/8 bidirectional data lines) i.e. FlexSPI acts as an > > > interface to external devices, maximum 4, each with up to 8 bidirectional > data lines. > > > > > > - Tested this driver with mtd_debug(Erase/Write/Read) utility and > > > JFFS2 filesystem mounting and booting on NXP LX2160ARDB[2] and > > > LX2160AQDS targets. > > > LX2160ARDB is having two NOR slave device connected on single bus A > > > i.e. A0 and A1 (CS0 and CS1). > > > LX2160AQDS is having two NOR slave device connected on separate > > > buses one flash on A0 and second on B1 i.e. (CS0 and CS3). > > > Verified this driver on following SPI NOR flashes: > > >Micron, mt35xu512aba[3], [Read - 1 bit mode] > > >Cypress, s25fl512s, [Read - 1/2/4 bit mode] > > > > > > [1] > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fw > > > ww.nxp.com%2Fdocs%2Fen%2Freference- > manual%2FIMXRT1050RM.pdfdata > > > > =02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a816c9049d3d49b08 > d638 > > > > 148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636758058298 > 8068 > > > > 45sdata=HpuTjqfMqDvobNPD5Ww3zIaotrBXFKgOIh2%2BQ%2BGSE1o%3 > D > > > reserved=0 [2] > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp > > > atchwork.kernel.org%2Fproject%2Flinux-arm-kernel%2Flist%2F%3Fseries% > > > > 3D26689data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a > 816c > > > > 9049d3d49b08d638148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C > 0%7C > > > > 636758058298806845sdata=v1d%2Fe91xeDzhAUvz8X5ousbEPwwgMFxY1 > CBkc > > > Dpuf70%3Dreserved=0 [3] > > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp > > > atchwork.ozlabs.org%2Fproject%2Flinux-mtd%2Flist%2F%3Fseries%3D70179 > > > > data=02%7C01%7Cyogeshnarayan.gaur%40nxp.com%7C97207a816c904 > 9d3d > > > > 49b08d638148f67%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636 > 7580 > > > > 58298806845sdata=vE%2FRQW9B4dU9rJqY2RZlNB1uH8smVKsCrGyEOs7 > 50Yk% > > > 3Dreserved=0 > > > > > > Yogesh Gaur (5): > > > spi: spi-mem: Add driver for NXP FlexSPI controller > > >
Re: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
On Mon, 22 Oct 2018 11:43:40 + Yogesh Narayan Gaur wrote: > + Mark Brown > > Complete patch series[1] > [1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70210 Please resend the patch series with a "PATCH RESEND v4" prefix and explain why you resend it in the cover letter. > > -- > Regards, > Yogesh Gaur > > > -Original Message- > > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.g...@nxp.com] > > Sent: Thursday, October 11, 2018 4:30 PM > > To: linux-...@lists.infradead.org; boris.brezil...@bootlin.com; > > marek.va...@gmail.com; linux-...@vger.kernel.org; > > devicet...@vger.kernel.org > > Cc: r...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; linux- > > arm-ker...@lists.infradead.org; computersforpe...@gmail.com; > > frieder.schre...@exceet.de; linux-kernel@vger.kernel.org; Yogesh Narayan > > Gaur > > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller > > > > - Add driver for NXP FlexSPI host controller > > > > FlexSPI is a flexsible SPI host controller [1], Chapter 30 page 1475, > > which > > supports two SPI channels and up to 4 external devices. > > Each channel supports Single/Dual/Quad/Octal mode data transfer (1/2/4/8 > > bidirectional data lines) i.e. FlexSPI acts as an interface to external > > devices, > > maximum 4, each with up to 8 bidirectional data lines. > > > > - Tested this driver with mtd_debug(Erase/Write/Read) utility and JFFS2 > > filesystem mounting and booting on NXP LX2160ARDB[2] and LX2160AQDS > > targets. > > LX2160ARDB is having two NOR slave device connected on single bus A i.e. > > A0 > > and A1 (CS0 and CS1). > > LX2160AQDS is having two NOR slave device connected on separate buses one > > flash on A0 and second on B1 i.e. (CS0 and CS3). > > Verified this driver on following SPI NOR flashes: > >Micron, mt35xu512aba[3], [Read - 1 bit mode] > >Cypress, s25fl512s, [Read - 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=26689 > > [3] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70179 > > > > 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 maintainers for the NXP FlexSPI driver > > > > Changes for v4: > > - Incorporated review comments for > > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > > - Incorporated binding file review comments. > > Changes for v3: > > - Incorporated review comments for > > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > > Changes for v2: > > - Incorporated Boris review comments and drop below patches as per the > > comments. > > - Patch 'spi: add slave device size in spi_device struct' > > - Patch 'spi: add flags for octal I/O data transfer' > > - Incorporated DTS and Binding file review comments of Shawn Guo and Rob > > Herring. > > > > .../devicetree/bindings/spi/spi-nxp-fspi.txt | 39 + > > MAINTAINERS|6 + > > arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 22 + > > arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 12 + > > arch/arm64/configs/defconfig |1 + > > drivers/spi/Kconfig| 10 + > > drivers/spi/Makefile |1 + > > drivers/spi/spi-nxp-fspi.c | 1158 > > > > 8 files changed, 1249 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > > create mode 100644 drivers/spi/spi-nxp-fspi.c > > > > -- > > 2.7.4 >
Re: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
On Mon, 22 Oct 2018 11:43:40 + Yogesh Narayan Gaur wrote: > + Mark Brown > > Complete patch series[1] > [1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70210 Please resend the patch series with a "PATCH RESEND v4" prefix and explain why you resend it in the cover letter. > > -- > Regards, > Yogesh Gaur > > > -Original Message- > > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.g...@nxp.com] > > Sent: Thursday, October 11, 2018 4:30 PM > > To: linux-...@lists.infradead.org; boris.brezil...@bootlin.com; > > marek.va...@gmail.com; linux-...@vger.kernel.org; > > devicet...@vger.kernel.org > > Cc: r...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; linux- > > arm-ker...@lists.infradead.org; computersforpe...@gmail.com; > > frieder.schre...@exceet.de; linux-kernel@vger.kernel.org; Yogesh Narayan > > Gaur > > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller > > > > - Add driver for NXP FlexSPI host controller > > > > FlexSPI is a flexsible SPI host controller [1], Chapter 30 page 1475, > > which > > supports two SPI channels and up to 4 external devices. > > Each channel supports Single/Dual/Quad/Octal mode data transfer (1/2/4/8 > > bidirectional data lines) i.e. FlexSPI acts as an interface to external > > devices, > > maximum 4, each with up to 8 bidirectional data lines. > > > > - Tested this driver with mtd_debug(Erase/Write/Read) utility and JFFS2 > > filesystem mounting and booting on NXP LX2160ARDB[2] and LX2160AQDS > > targets. > > LX2160ARDB is having two NOR slave device connected on single bus A i.e. > > A0 > > and A1 (CS0 and CS1). > > LX2160AQDS is having two NOR slave device connected on separate buses one > > flash on A0 and second on B1 i.e. (CS0 and CS3). > > Verified this driver on following SPI NOR flashes: > >Micron, mt35xu512aba[3], [Read - 1 bit mode] > >Cypress, s25fl512s, [Read - 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=26689 > > [3] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70179 > > > > 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 maintainers for the NXP FlexSPI driver > > > > Changes for v4: > > - Incorporated review comments for > > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > > - Incorporated binding file review comments. > > Changes for v3: > > - Incorporated review comments for > > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > > Changes for v2: > > - Incorporated Boris review comments and drop below patches as per the > > comments. > > - Patch 'spi: add slave device size in spi_device struct' > > - Patch 'spi: add flags for octal I/O data transfer' > > - Incorporated DTS and Binding file review comments of Shawn Guo and Rob > > Herring. > > > > .../devicetree/bindings/spi/spi-nxp-fspi.txt | 39 + > > MAINTAINERS|6 + > > arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 22 + > > arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 12 + > > arch/arm64/configs/defconfig |1 + > > drivers/spi/Kconfig| 10 + > > drivers/spi/Makefile |1 + > > drivers/spi/spi-nxp-fspi.c | 1158 > > > > 8 files changed, 1249 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > > create mode 100644 drivers/spi/spi-nxp-fspi.c > > > > -- > > 2.7.4 >
RE: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
+ Mark Brown Complete patch series[1] [1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70210 -- Regards, Yogesh Gaur > -Original Message- > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.g...@nxp.com] > Sent: Thursday, October 11, 2018 4:30 PM > To: linux-...@lists.infradead.org; boris.brezil...@bootlin.com; > marek.va...@gmail.com; linux-...@vger.kernel.org; > devicet...@vger.kernel.org > Cc: r...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; linux- > arm-ker...@lists.infradead.org; computersforpe...@gmail.com; > frieder.schre...@exceet.de; linux-kernel@vger.kernel.org; Yogesh Narayan > Gaur > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller > > - Add driver for NXP FlexSPI host controller > > FlexSPI is a flexsible SPI host controller [1], Chapter 30 page 1475, which > supports two SPI channels and up to 4 external devices. > Each channel supports Single/Dual/Quad/Octal mode data transfer (1/2/4/8 > bidirectional data lines) i.e. FlexSPI acts as an interface to external > devices, > maximum 4, each with up to 8 bidirectional data lines. > > - Tested this driver with mtd_debug(Erase/Write/Read) utility and JFFS2 > filesystem mounting and booting on NXP LX2160ARDB[2] and LX2160AQDS > targets. > LX2160ARDB is having two NOR slave device connected on single bus A i.e. A0 > and A1 (CS0 and CS1). > LX2160AQDS is having two NOR slave device connected on separate buses one > flash on A0 and second on B1 i.e. (CS0 and CS3). > Verified this driver on following SPI NOR flashes: >Micron, mt35xu512aba[3], [Read - 1 bit mode] >Cypress, s25fl512s, [Read - 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=26689 > [3] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70179 > > 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 maintainers for the NXP FlexSPI driver > > Changes for v4: > - Incorporated review comments for > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > - Incorporated binding file review comments. > Changes for v3: > - Incorporated review comments for > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > Changes for v2: > - Incorporated Boris review comments and drop below patches as per the > comments. > - Patch 'spi: add slave device size in spi_device struct' > - Patch 'spi: add flags for octal I/O data transfer' > - Incorporated DTS and Binding file review comments of Shawn Guo and Rob > Herring. > > .../devicetree/bindings/spi/spi-nxp-fspi.txt | 39 + > MAINTAINERS|6 + > arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 22 + > arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 12 + > arch/arm64/configs/defconfig |1 + > drivers/spi/Kconfig| 10 + > drivers/spi/Makefile |1 + > drivers/spi/spi-nxp-fspi.c | 1158 > > 8 files changed, 1249 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > create mode 100644 drivers/spi/spi-nxp-fspi.c > > -- > 2.7.4
RE: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller
+ Mark Brown Complete patch series[1] [1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70210 -- Regards, Yogesh Gaur > -Original Message- > From: Yogesh Narayan Gaur [mailto:yogeshnarayan.g...@nxp.com] > Sent: Thursday, October 11, 2018 4:30 PM > To: linux-...@lists.infradead.org; boris.brezil...@bootlin.com; > marek.va...@gmail.com; linux-...@vger.kernel.org; > devicet...@vger.kernel.org > Cc: r...@kernel.org; mark.rutl...@arm.com; shawn...@kernel.org; linux- > arm-ker...@lists.infradead.org; computersforpe...@gmail.com; > frieder.schre...@exceet.de; linux-kernel@vger.kernel.org; Yogesh Narayan > Gaur > Subject: [PATCH v4 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller > > - Add driver for NXP FlexSPI host controller > > FlexSPI is a flexsible SPI host controller [1], Chapter 30 page 1475, which > supports two SPI channels and up to 4 external devices. > Each channel supports Single/Dual/Quad/Octal mode data transfer (1/2/4/8 > bidirectional data lines) i.e. FlexSPI acts as an interface to external > devices, > maximum 4, each with up to 8 bidirectional data lines. > > - Tested this driver with mtd_debug(Erase/Write/Read) utility and JFFS2 > filesystem mounting and booting on NXP LX2160ARDB[2] and LX2160AQDS > targets. > LX2160ARDB is having two NOR slave device connected on single bus A i.e. A0 > and A1 (CS0 and CS1). > LX2160AQDS is having two NOR slave device connected on separate buses one > flash on A0 and second on B1 i.e. (CS0 and CS3). > Verified this driver on following SPI NOR flashes: >Micron, mt35xu512aba[3], [Read - 1 bit mode] >Cypress, s25fl512s, [Read - 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=26689 > [3] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70179 > > 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 maintainers for the NXP FlexSPI driver > > Changes for v4: > - Incorporated review comments for > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > - Incorporated binding file review comments. > Changes for v3: > - Incorporated review comments for > patch 'spi: spi-mem: Add driver for NXP FlexSPI controller'. > Changes for v2: > - Incorporated Boris review comments and drop below patches as per the > comments. > - Patch 'spi: add slave device size in spi_device struct' > - Patch 'spi: add flags for octal I/O data transfer' > - Incorporated DTS and Binding file review comments of Shawn Guo and Rob > Herring. > > .../devicetree/bindings/spi/spi-nxp-fspi.txt | 39 + > MAINTAINERS|6 + > arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts | 22 + > arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 12 + > arch/arm64/configs/defconfig |1 + > drivers/spi/Kconfig| 10 + > drivers/spi/Makefile |1 + > drivers/spi/spi-nxp-fspi.c | 1158 > > 8 files changed, 1249 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > create mode 100644 drivers/spi/spi-nxp-fspi.c > > -- > 2.7.4
