Messages in this thread | | | From | Chia-Wei Wang <> | Subject | [PATCH v4 0/4] arm: aspeed: Add eSPI support | Date | Wed, 1 Sep 2021 11:30:11 +0800 |
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This patch series add the driver support for the eSPI controller of Aspeed 5/6th generation SoCs. This controller is a slave device communicating with a master over Enhanced Serial Peripheral Interface (eSPI). It supports all of the 4 eSPI channels, namely peripheral, virtual wire, out-of-band, and flash, and operates at max frequency of 66MHz.
v4: - fix dt-bindgins error with patternProperties - fix data type warning for ARM64 compilation - replace header based implementation with .c files - add more description for the ioctl interface
v3: - remove the redundant patch "clk: aspeed: Add eSPI reset bit" - fix missing header inclusion reported by test bot - fix dt-bindings error reported by yamllint
v2: - remove irqchip implementation - merge per-channel drivers into single one to avoid the racing issue among eSPI handshake process and driver probing.
Chia-Wei Wang (4): dt-bindings: aspeed: Add eSPI controller MAINTAINER: Add ASPEED eSPI driver entry soc: aspeed: Add eSPI driver ARM: dts: aspeed: Add eSPI node
.../devicetree/bindings/soc/aspeed/espi.yaml | 162 +++++ MAINTAINERS | 9 + arch/arm/boot/dts/aspeed-g6.dtsi | 17 + drivers/soc/aspeed/Kconfig | 11 + drivers/soc/aspeed/Makefile | 5 + drivers/soc/aspeed/aspeed-espi-ctrl.c | 214 +++++++ drivers/soc/aspeed/aspeed-espi-ctrl.h | 308 ++++++++++ drivers/soc/aspeed/aspeed-espi-flash.c | 352 +++++++++++ drivers/soc/aspeed/aspeed-espi-flash.h | 45 ++ drivers/soc/aspeed/aspeed-espi-ioc.h | 195 ++++++ drivers/soc/aspeed/aspeed-espi-oob.c | 558 ++++++++++++++++++ drivers/soc/aspeed/aspeed-espi-oob.h | 70 +++ drivers/soc/aspeed/aspeed-espi-perif.c | 511 ++++++++++++++++ drivers/soc/aspeed/aspeed-espi-perif.h | 45 ++ drivers/soc/aspeed/aspeed-espi-vw.c | 137 +++++ drivers/soc/aspeed/aspeed-espi-vw.h | 21 + 16 files changed, 2660 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/aspeed/espi.yaml create mode 100644 drivers/soc/aspeed/aspeed-espi-ctrl.c create mode 100644 drivers/soc/aspeed/aspeed-espi-ctrl.h create mode 100644 drivers/soc/aspeed/aspeed-espi-flash.c create mode 100644 drivers/soc/aspeed/aspeed-espi-flash.h create mode 100644 drivers/soc/aspeed/aspeed-espi-ioc.h create mode 100644 drivers/soc/aspeed/aspeed-espi-oob.c create mode 100644 drivers/soc/aspeed/aspeed-espi-oob.h create mode 100644 drivers/soc/aspeed/aspeed-espi-perif.c create mode 100644 drivers/soc/aspeed/aspeed-espi-perif.h create mode 100644 drivers/soc/aspeed/aspeed-espi-vw.c create mode 100644 drivers/soc/aspeed/aspeed-espi-vw.h
-- 2.17.1
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