# \[PATCH 0/4\] Add SOCFPGA System Manager

- From: Thor Thayer \<hidden\>
- Date: 2018-10-10 14:39:54 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2018/10/5404458
- Thread: https://ratatoskr.run/netdev/2018/09/5390030/t.md

```text
Hi
On 09/24/2018 05:09 PM, thor.thayer at linux.intel.com wrote:
> From: Thor Thayer <redacted>
> 
> Add MFD driver for ARM64 SOCFPGA System Manager to steer
> System Manager calls appropriately.
> The SOCFPGA System Manager includes registers from several
> SOC peripherals.
> 
> On ARM32, syscon handles this aggregated register grouping.
> Redirect System Manager calls 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.
> 
> Thor Thayer (4):
>    mfd: altera-sysmgr: Add SOCFPGA System Manager abstraction
>    ARM: socfpga_defconfig: Enable CONFIG_MTD_ALTERA_SYSMGR
>    arm64: defconfig: Enable CONFIG_MTD_ALTERA_SYSMGR
>    net: stmmac: socfpga: Convert to shared System Manager driver
> 
>   MAINTAINERS                                        |   6 +
>   arch/arm/configs/socfpga_defconfig                 |   1 +
>   arch/arm64/configs/defconfig                       |   1 +
>   drivers/mfd/Kconfig                                |   9 +
>   drivers/mfd/Makefile                               |   1 +
>   drivers/mfd/altera-sysmgr.c                        | 310 +++++++++++++++++++++
>   .../net/ethernet/stmicro/stmmac/dwmac-socfpga.c    |   4 +-
>   include/linux/mfd/altera-sysmgr.h                  | 113 ++++++++
>   8 files changed, 444 insertions(+), 1 deletion(-)
>   create mode 100644 drivers/mfd/altera-sysmgr.c
>   create mode 100644 include/linux/mfd/altera-sysmgr.h
> 
Gentle ping.

Thor
```