Hi, Le 15/04/2022 à 15:06, Grygorii Strashko a écrit : > > > On 15/04/2022 11:59, Romain Naour wrote: >> Hello, >> >> Le 21/12/2021 à 14:17, Roger Quadros a écrit : >>> Hi, >>> >>> TI's AM64 SoC contains one GPMC module. Add driver support for it. >> >> What's the status of the GPMC interface on K3 architecture, especially for AM65, >> AM62 and other Jacinto 7 CPU devices ? >> >> TI currently don't recommend to use it for now even if there are still some GPMC >> use case with FPGA devices: >> >> https://e2e.ti.com/support/processors-group/processors/f/processors-forum/994191/am6442-am64x-gpmc-support >> >> >> This patch series add omap-gpmc support for AM64 Soc but as of kernel 5.18-rc2, >> there is no devicetree using ti,am64-gpmc. >> >> This patch seems missing (at least): >> https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/commit/?h=ti-linux-5.10.y&id=55c102a75d399896c7396229cd687bf97afb5cf6 >> > > It's not how LKML development process works - driver changes has to be sent first > and then DT changes as they accepted by different maintainers and through > different trees. Ok, I understand. DT changes are still under review [1] and are not yet merged in 5.18-rc6. Sorry for the noise. [1] https://lkml.org/lkml/2022/2/4/320 Best regards, Romain > >> >> Thanks! >> >> Best regards, >> Romain >> >>> >>> cheers, >>> -roger >>> >>> Changelog: >>> v4 >>> - move compatible match table to header file so it can be used by >>> GPMC driver even when NAND driver is not enabled or as a module. >>> GPMC driver is always enabled as built-in. >>> - Select OMAP_GPMC driver from MTD_NAND_OMAP2 driver config as >>> OMAP_GPMC is not essential for ARCH_K3 boot. >>> >>> v3 >>> - use compatible match table for checking for NAND controller node in >>> GPMC driver. >>> >>> v2 >>> - update DT binding doc to make reg-names and power-domains property >>> required only for specific SoC. >>> >>> Roger Quadros (4): >>> dt-bindings: memory-controllers: ti,gpmc: Add compatible for AM64 >>> memory: omap-gpmc: Add support for GPMC on AM64 SoC >>> memory: omap-gpmc: Use a compatible match table when checking for NAND >>> controller >>> mtd: rawnand: omap2: Select GPMC device driver for ARCH_K3 >>> >>> .../bindings/memory-controllers/ti,gpmc.yaml | 23 +++++++++- >>> drivers/memory/omap-gpmc.c | 46 ++++++++++++++----- >>> drivers/mtd/nand/raw/Kconfig | 1 + >>> drivers/mtd/nand/raw/omap2.c | 5 +- >>> include/linux/platform_data/mtd-nand-omap2.h | 9 +++- >>> 5 files changed, 67 insertions(+), 17 deletions(-) >>> >> >
