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SubjectRe: [PATCH v2 00/12] PolarFire SoC reset controller & clock cleanups
Date
Reviewed-by: Daire McNamara <daire.mcnamara@microchip.com>

On Mon, 2022-07-04 at 13:15 +0100, Conor Dooley wrote:
> Hey all,
> I know I have not sat on the RFC I sent about the aux. bus parts
> for too long, but figured I'd just send the whole thing anyway to all
> lists etc.
>
> Kinda two things happening in this series, but I sent it together to
> ensure the second part would apply correctly.
>
> The first is the reset controller that I promised after discovering
> the
> issue triggered by CONFIG_PM & the phy not coming up correctly. I
> have
> now removed all the messing with resets from clock enable/disable
> functions & now use the aux bus to set up a reset controller driver.
> Since I needed something to test it, I hooked up the reset for the
> Cadence MACB on PolarFire SoC. This has been split into a second
> series
> for v2:
> https://lore.kernel.org/all/20220704114511.1892332-1-conor.dooley@microchip.com/
>
> The second part adds rate control for the MSS PLL clock, followed by
> some simplifications to the driver & conversions of some custom
> structs
> to the corresponding structs in the framework.
>
> Thanks,
> Conor.
>
> Changes since v1:
> - split off the net patches
> - clk: actually pass the spinlock to the converted dividers & gates
> - reset: added a spinlock around RMW access to registers
> - reset: switched to BIT(i) macros
> - reset: used local copies of some variables as pointed out by
> Philipp
> - reset: dropped the success printout
>
> Conor Dooley (12):
> dt-bindings: clk: microchip: mpfs: add reset controller support
> clk: microchip: mpfs: add reset controller
> reset: add polarfire soc reset support
> MAINTAINERS: add polarfire soc reset controller
> riscv: dts: microchip: add mpfs specific macb reset support
> clk: microchip: mpfs: add module_authors entries
> clk: microchip: mpfs: add MSS pll's set & round rate
> clk: microchip: mpfs: move id & offset out of clock structs
> clk: microchip: mpfs: simplify control reg access
> clk: microchip: mpfs: delete 2 line mpfs_clk_register_foo()
> clk: microchip: mpfs: convert cfg_clk to clk_divider
> clk: microchip: mpfs: convert periph_clk to clk_gate
>
> .../bindings/clock/microchip,mpfs.yaml | 17 +-
> MAINTAINERS | 1 +
> arch/riscv/boot/dts/microchip/mpfs.dtsi | 7 +-
> drivers/clk/microchip/Kconfig | 1 +
> drivers/clk/microchip/clk-mpfs.c | 379 +++++++++-------
> --
> drivers/reset/Kconfig | 7 +
> drivers/reset/Makefile | 2 +-
> drivers/reset/reset-mpfs.c | 157 ++++++++
> include/soc/microchip/mpfs.h | 8 +
> 9 files changed, 386 insertions(+), 193 deletions(-)
> create mode 100644 drivers/reset/reset-mpfs.c
>
>
> base-commit: b13baccc3850ca8b8cccbf8ed9912dbaa0fdf7f3
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