Re: [PATCH v3 00/21] Enable Power Modes Support for SAMA7D65 SoC

[Lee Jones <lee@kernel.org>]

On Thu, 27 Feb 2025, Ryan.Wanner@microchip.com wrote:

> From: Ryan Wanner <Ryan.Wanner@microchip.com>
> 
> This patch set adds support for low power modes for the SAMA7D65 SoC and
> the required components and changes for low power modes.
> 
> The series includes changes in the asm code to account for the addtional
> clocks that are in this SoC.
> 
> The Device tree additions are to enable all the components needed to
> keep the SoC in low power mode.
> 
> There are some DTB check warnings but that is due to the dt-binding not
> in the correct .yaml file format.
> 
> Changes v1 -> v2:
> - Add missing compatible for ddr3phy, it is now in both syscon sets.
> - Fix alphabetical ordering for sama7d65.
> - Remove the incorrect reorganizing patch.
> - Remove sama7g5-rtt as a compatible for sama7d65-rtt and add
>   sama7d65-rtt as a compatible wake up source in the pm driver.
> 
> Changes from v2 -> v3:
> - Correct mistake in v2 sfrbu dt-binding patch.
> - Correct incorrect dt-binding addition and formatting for rtc and rtt bindings.
> - Add missing SoB tag.
> - Cleaned up commit message for Backup mode to describe SHDWC is status
>   register is cleared for this SoC.
> - Cleaned up variable naming and usage for mcks. Changed the mcks number
>   to the correct number of clocks needed to be saved and corrected the
>   ASM code accordingly.
> - Removed the SHDWC from ULP0 wake-up source as it is not configured as
>   a valid wake-up source for ULP0.
> - Separated all the DTSI and DTS changes into individual patches.
> 
> 
> Li Bin (1):
>   ARM: at91: pm: fix at91_suspend_finish for ZQ calibration
> 
> Ryan Wanner (20):
>   dt-bindings: mfd: syscon: add microchip,sama7d65-ddr3phy
>   dt-bindings: mfd: syscon: add microchip,sama7d65-sfrbu

Ping me when these are ready to take.

>   dt-bindings: sram: Add microchip,sama7d65-sram
>   dt-bindings: power: reset: atmel,sama5d2-shdwc: Add
>     microchip,sama7d65-shdwc
>   dt-bindings: reset: atmel,at91sam9260-reset: add
>     microchip,sama7d65-rstc
>   dt-bindings: rtc: at91rm9200: add microchip,sama7d65-rtc
>   dt-bindings: at91rm9260-rtt: add microchip,sama7d65-rtt
>   ARM: at91: Add PM support to sama7d65
>   ARM: at91: pm: add DT compatible support for sama7d65
>   ARM: at91: PM: Add Backup mode for SAMA7D65
>   ARM: at91: pm: Enable ULP0/ULP1 for SAMA7D65
>   power: reset: at91-sama5d2_shdwc: Add sama7d65 PMC
>   ARM: dts: microchip: sama7d65: Add SRAM and DRAM components support
>   ARM: dts: microchip: sama7d65: Add Reset Controller to sama7d65 SoC
>   ARM: dts: microchip: sama7d65: Add Shutdown controller support
>   ARM: dts: microchip: sama7d65: Add RTT and GPBR Support for sama7d65
>     SoC
>   ARM: dts: microchip: sama7d65: Add RTC support for sama7d65
>   ARM: dts: microchip: sama7d65: Add SFRBU support to sama7d65
>   ARM: dts: microchip: sama7d65: Enable shutdown controller
>   ARM: dts: microchip: sama7d65: Add RTT timer to curiosity board
> 
>  .../devicetree/bindings/mfd/syscon.yaml       |   4 +
>  .../power/reset/atmel,sama5d2-shdwc.yaml      |   5 +
>  .../reset/atmel,at91sam9260-reset.yaml        |   3 +
>  .../bindings/rtc/atmel,at91rm9200-rtc.yaml    |   4 +-
>  .../bindings/rtc/atmel,at91sam9260-rtt.yaml   |   1 +
>  .../devicetree/bindings/sram/sram.yaml        |   1 +
>  .../dts/microchip/at91-sama7d65_curiosity.dts |  13 +++
>  arch/arm/boot/dts/microchip/sama7d65.dtsi     |  77 +++++++++++++
>  arch/arm/mach-at91/Kconfig                    |   1 +
>  arch/arm/mach-at91/pm.c                       |  47 +++++---
>  arch/arm/mach-at91/pm.h                       |   1 +
>  arch/arm/mach-at91/pm_data-offsets.c          |   2 +
>  arch/arm/mach-at91/pm_suspend.S               | 101 ++++++++++++++++--
>  drivers/power/reset/at91-sama5d2_shdwc.c      |   1 +
>  14 files changed, 238 insertions(+), 23 deletions(-)
> 
> -- 
> 2.43.0
> 

-- 
Lee Jones [李琼斯]