[PATCH v2 0/5] arm: aspeed: Add eSPI support
Chia-Wei Wang
chiawei_wang at aspeedtech.com
Thu Aug 19 18:00:35 AEST 2021
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.
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 (5):
dt-bindings: aspeed: Add eSPI controller
MAINTAINER: Add ASPEED eSPI driver entry
clk: aspeed: Add eSPI reset bit
soc: aspeed: Add eSPI driver
ARM: dts: aspeed: Add eSPI node
.../devicetree/bindings/soc/aspeed/espi.yaml | 158 +++++
MAINTAINERS | 9 +
arch/arm/boot/dts/aspeed-g6.dtsi | 17 +
drivers/soc/aspeed/Kconfig | 11 +
drivers/soc/aspeed/Makefile | 1 +
drivers/soc/aspeed/aspeed-espi-ctrl.c | 206 ++++++
drivers/soc/aspeed/aspeed-espi-ctrl.h | 304 +++++++++
drivers/soc/aspeed/aspeed-espi-flash.h | 380 +++++++++++
drivers/soc/aspeed/aspeed-espi-ioc.h | 153 +++++
drivers/soc/aspeed/aspeed-espi-oob.h | 611 ++++++++++++++++++
drivers/soc/aspeed/aspeed-espi-perif.h | 512 +++++++++++++++
drivers/soc/aspeed/aspeed-espi-vw.h | 142 ++++
include/dt-bindings/clock/ast2600-clock.h | 1 +
13 files changed, 2505 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.h
create mode 100644 drivers/soc/aspeed/aspeed-espi-ioc.h
create mode 100644 drivers/soc/aspeed/aspeed-espi-oob.h
create mode 100644 drivers/soc/aspeed/aspeed-espi-perif.h
create mode 100644 drivers/soc/aspeed/aspeed-espi-vw.h
--
2.17.1
More information about the Linux-aspeed
mailing list