| Message ID | 20220111212606.2072669-1-Mr.Bossman075@gmail.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Add initial support for the i.MXRTxxxx SoC family starting from i.IMXRT1050 SoC. | expand |
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