Hi, > -----Original Message----- > From: Michael Walle <mich...@walle.cc> > Sent: Wednesday, November 6, 2019 4:33 AM > To: u-boot@lists.denx.de > Cc: Vignesh R <vigne...@ti.com>; Prabhakar X > <prabhakar.kushw...@nxp.com>; Kuldeep Singh <kuldeep.si...@nxp.com>; > Michael Walle <mich...@walle.cc>; Jagan Teki > <ja...@amarulasolutions.com> > Subject: [EXT] [PATCH v3 1/3] spi: nxp_fspi: new driver for the FlexSPI > controller > > Caution: EXT Email > > This is a port of the kernel's spi-nxp-fspi driver. It uses the new spi-mem > interface and does not expose the more generic spi-xfer interface. The source > was taken from the v5.3-rc3 tag. > > The port was straightforward: > - remove the interrupt handling and the completion by busy polling the > controller > - remove locks > - move the setup of the memory windows into claim_bus() > - move the setup of the speed into set_speed() > - port the device tree bindings from the original fspi_probe() to > ofdata_to_platdata() > > There were only some style change fixes, no change in any logic. For example, > there are busy loops where the return code is not handled correctly, eg. only > prints a warning with WARN_ON(). This port intentionally left most functions > unchanged to ease future bugfixes. > > This was tested on a custom LS1028A board. Because the LS1028A doesn't > have proper clock framework support, changing the clock speed was not > tested. This also means that it is not possible to change the SPI speed on > LS1028A for now (neither is it possible in the linux driver). > > Signed-off-by: Michael Walle <mich...@walle.cc> > Reviewed-by: Jagan Teki <ja...@amarulasolutions.com>
Tested on LS1028A-RDB and LX2160A-RDB Tested-by: Kuldeep Singh <kuldeep.si...@nxp.com> Regards, Kuldeep _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
