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SubjectRe: [PATCH v7 0/7] Add initial support for the i.MXRTxxxx SoC family starting from i.IMXRT1050 SoC.
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On 1/11/22 16:25, Jesse Taube wrote:
> This patchset contains:
> - i.MXRT10xx family infrastructure
> - i.MXRT1050 pinctrl driver adaption
> - i.MXRT1050 clock driver adaption
> - i.MXRT1050 sd-card driver adaption
> - i.MXRT1050 uart driver adaption
> - i.MXRT1050-evk basic support
>
> The i.MXRTxxxx family that could have support by Linux actually spreads
> from i.MXRT1020 to i.MXRT1170 with the first one supporting 1 USB OTG &
> 100M ethernet with a cortex-M7@500Mhz up to the latter with i.MXRT1170
> with cortex-M7@1Ghz and cortex-M4@400Mhz, 2MB of internal SRAM, 2D GPU,
> 2x 1Gb and 1x 100Mb ENET. The i.MXRT family is NXP's answer to
> STM32F7XX, as it uses only simple SDRAM, it gives the chance of a 4 or
> less layer PCBs. Seeing that these chips are comparable to the
> STM32F7XXs which have linux ported to them it seems reasonable to add
> support for them.
>
> Giving Linux support to this family should ease the development process,
> instead of using a RTOS they could use Embedded Linux allowing for more
> portability, ease of design and will broaden the scope of people using
> embedded linux.
>
> The EVK has very little SDRAM, generally 32MB starting from
> i.MXRT1020(the lowest P/N), although the i.MXRT1160/70 provide instead
> 64MB of SDRAM for more functionality.
>
> At the moment we do not support XIP for either u-boot or Linux but it
> should be done in the future. XIP will also save SDRAM.
>
> Another interesting fact is the amount of internal SRAM, as the P/N
> increases the SRAM will reach up to 2MB(some could be for cache and
> some would be for video).
>
> Also, some parts have embed flash of 4MB that can be used for
> u-boot/Linux, if both correctly sized it will leave the SDRAM free.
>
> External flash can be Quad SPI and HyperFlash, so throughput would be
> decent.
>
> The i.MXRT11xx series supports MIPI interface too.
>
> The family in general provide CAN bus, audio I/O, 1 or more
> USB(otg/host), 1 or more 100Mb/1Gb ethernet, camera interface, sd-card.
>
> All this can be used for simple GUIs, web-servers, point-of-sale
> stations, etc.
>
>
> Giulio Benetti (4):
> ARM: imx: Add initial support for i.MXRT10xx family
> dt-bindings: imx: Add clock binding for i.MXRT1050
> ARM: dts: imx: Add i.MXRT1050-EVK support
> ARM: imxrt_defconfig: Add i.MXRT family defconfig
>
> Jesse Taube (3):
> ARM: dts: imxrt1050-pinfunc: Add pinctrl binding header
> dt-bindings: clock: imx: Add documentation for i.MXRT1050 clock
> clk: imx: Add initial support for i.MXRT1050 clock driver
>
> .../bindings/clock/imxrt1050-clock.yaml | 67 ++
> arch/arm/boot/dts/Makefile | 2 +
> arch/arm/boot/dts/imxrt1050-evk.dts | 72 ++
> arch/arm/boot/dts/imxrt1050-pinfunc.h | 993 ++++++++++++++++++
> arch/arm/boot/dts/imxrt1050.dtsi | 160 +++
> arch/arm/configs/imxrt_defconfig | 35 +
> arch/arm/mach-imx/Kconfig | 7 +
> arch/arm/mach-imx/Makefile | 2 +
> arch/arm/mach-imx/mach-imxrt.c | 19 +
> drivers/clk/imx/Kconfig | 7 +
> drivers/clk/imx/Makefile | 1 +
> drivers/clk/imx/clk-imxrt1050.c | 168 +++
> include/dt-bindings/clock/imxrt1050-clock.h | 72 ++
> 13 files changed, 1605 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/imxrt1050-clock.yaml
> create mode 100644 arch/arm/boot/dts/imxrt1050-evk.dts
> create mode 100644 arch/arm/boot/dts/imxrt1050-pinfunc.h
> create mode 100644 arch/arm/boot/dts/imxrt1050.dtsi
> create mode 100644 arch/arm/configs/imxrt_defconfig
> create mode 100644 arch/arm/mach-imx/mach-imxrt.c
> create mode 100644 drivers/clk/imx/clk-imxrt1050.c
> create mode 100644 include/dt-bindings/clock/imxrt1050-clock.h
>

Oh No!
I'm very sorry I sent v8 under the wrong version number. I sent it again...

Sincerely,
Jesse Taube

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