From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chia-Wei Wang Date: Thu, 9 Sep 2021 18:29:04 +0800 Subject: [PATCH v3 0/3] arm: aspeed: Add UART routing support Message-ID: <20210909102907.32037-1-chiawei_wang@aspeedtech.com> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Add UART routing driver and the device tree nodes. v3: - Add individual bindings in YAML - Add support for AST24xx (AST25xx shares the same design) - Add more explanation for the sysfs ABI v2: - Add dt-bindings - Add ABI documents for the exported sysfs interface - Revise driver implementation suggested by Joel Chia-Wei Wang (3): dt-bindings: aspeed: Add UART routing controller soc: aspeed: Add UART routing support ARM: dts: aspeed: Add uart routing to device tree .../testing/sysfs-driver-aspeed-uart-routing | 15 + .../bindings/soc/aspeed/uart-routing.yaml | 70 ++ arch/arm/boot/dts/aspeed-g4.dtsi | 6 + arch/arm/boot/dts/aspeed-g5.dtsi | 6 + arch/arm/boot/dts/aspeed-g6.dtsi | 6 + drivers/soc/aspeed/Kconfig | 10 + drivers/soc/aspeed/Makefile | 9 +- drivers/soc/aspeed/aspeed-uart-routing.c | 603 ++++++++++++++++++ 8 files changed, 721 insertions(+), 4 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-driver-aspeed-uart-routing create mode 100644 Documentation/devicetree/bindings/soc/aspeed/uart-routing.yaml create mode 100644 drivers/soc/aspeed/aspeed-uart-routing.c -- 2.17.1