On Mon, Mar 11, 2019 at 11:15 PM <thor.thayer@xxxxxxxxxxxxxxx> wrote: > > From: Thor Thayer <thor.thayer@xxxxxxxxxxxxxxx> > > Add MFD driver for SOCFPGA System Manager to handle > System Manager calls differently for ARM32 vs ARM64. > The SOCFPGA System Manager includes registers from several > SOC peripherals. > > On ARM32, syscon handles this aggregated register grouping. > Implement System Manager calls as regmap_mmio similar to syscon > for ARM32 SOCFPGA systems. > > The ARM64 System Manager can only be accessed from priority > level EL3 so this new MFD driver handles the calls to EL3. (adding arm@xxxxxxxxxx) As discussed with Lee, let's keep the series together and merge it through the mfd tree. For all six patches: Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx> > Thor Thayer (6): > mfd: altera-sysmgr: Add SOCFPGA System Manager > Documentation: dt: socfpga: Add S10 System Manager binding > ARM: socfpga_defconfig: Enable CONFIG_MTD_ALTERA_SYSMGR > arm64: defconfig: Enable CONFIG_MTD_ALTERA_SYSMGR > net: stmmac: socfpga: Use shared System Manager driver > arm64: dts: stratix10: New System Manager compatible > > .../bindings/arm/altera/socfpga-system.txt | 12 ++ > MAINTAINERS | 6 + > arch/arm/configs/socfpga_defconfig | 1 + > arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 2 +- > arch/arm64/configs/defconfig | 1 + > drivers/mfd/Kconfig | 10 + > drivers/mfd/Makefile | 1 + > drivers/mfd/altera-sysmgr.c | 211 +++++++++++++++++++++ > .../net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 5 +- > include/linux/mfd/altera-sysmgr.h | 29 +++ > 10 files changed, 275 insertions(+), 3 deletions(-) > create mode 100644 drivers/mfd/altera-sysmgr.c > create mode 100644 include/linux/mfd/altera-sysmgr.h > > -- > 2.7.4 >