Re: [RESEND PATCHv4 0/6] Add SOCFPGA System Manager

From: Arnd Bergmann
Date: Thu Mar 21 2019 - 04:04:09 EST


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
>