Re: [PATCH 0/7] soc: aspeed: Add AST2600 eSPI controller support

Conor Dooley
2026-03-13T16:24:41Z

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On Fri, Mar 13, 2026 at 06:07:35PM +0800, aspeedyh wrote:
> This series adds initial support for the eSPI controller found on ASPEED
> AST2600 BMC SoCs.
>
> The series introduces a eSPI controller framework for ASPEED SoCs under
> drivers/soc/aspeed/, adds AST2600-specific controller support for
> peripheral and flash channels, defines the corresponding devicetree
> binding, and adds the AST2600 eSPI controller node to the SoC dtsi.
>
> The driver is intended to support host-BMC communication over the BMC-side
> eSPI slave controller present on AST2600 systems.

This all seems to be in the wrong places entirely, shouldn't an eSPI
driver and bindings go in the spi subsystem? FSL's appears to be there.
Mark?

>
> Patch summary:
> 1. dt-bindings: soc: aspeed: Add AST2600 eSPI controller
> 2. soc: aspeed: Introduce core eSPI controller support
> 3. soc: aspeed: Add AST2600 peripheral channel port I/O support
> 4. soc: aspeed: Add eSPI TAFS backend support
> 5. soc: aspeed: Add espi flash channel support
> 6. soc: aspeed: Add sysfs controls for flash LUN selection
> 7. arm: dts: aspeed: Add eSPI node for AST2600
>
> This series has been tested on AST2600 platform with Intel's host eSPI
> controller.
>
> Signed-off-by: aspeedyh <yh_chung@aspeedtech.com>

Unless you're an fanatical employee of Aspeed, I doubt that this signoff
reflects your actual name!

> ---
> aspeedyh (7):
> dt-bindings: soc: aspeed: Add AST2600 eSPI controller
> soc: aspeed: Introduce core eSPI controller support
> soc: aspeed: Add AST2600 peripheral channel port I/O support
> soc: aspeed: Add eSPI TAFS backend support
> soc: aspeed: Add eSPI flash channel support
> soc: aspeed: Add sysfs controls for flash backend selection
> arm: dts: aspeed: Add eSPI node for AST2600
>
> .../bindings/soc/aspeed/aspeed,ast2600-espi.yaml | 74 +++
> arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 11 +
> drivers/soc/aspeed/Kconfig | 7 +
> drivers/soc/aspeed/Makefile | 1 +
> drivers/soc/aspeed/espi/Makefile | 1 +
> drivers/soc/aspeed/espi/aspeed-espi-comm.h | 62 +++
> drivers/soc/aspeed/espi/aspeed-espi.c | 618 +++++++++++++++++++++
> drivers/soc/aspeed/espi/aspeed-espi.h | 63 +++
> drivers/soc/aspeed/espi/ast2600-espi.c | 304 ++++++++++
> drivers/soc/aspeed/espi/ast2600-espi.h | 302 ++++++++++
> drivers/soc/aspeed/espi/espi_storage.c | 322 +++++++++++
> drivers/soc/aspeed/espi/espi_storage.h | 32 ++
> 12 files changed, 1797 insertions(+)
> ---
> base-commit: 0257f64bdac7fdca30fa3cae0df8b9ecbec7733a
> change-id: 20260313-upstream_espi-d9fea66d1772
>
> Best regards,
> --
> aspeedyh <yh_chung@aspeedtech.com>
>

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