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Tue, 27 Jan 2026 12:14:19 -0800 (PST) Received: from localhost ([71.212.200.220]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-353f61e0007sm3373581a91.12.2026.01.27.12.14.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jan 2026 12:14:18 -0800 (PST) From: Kevin Hilman To: Kendall Willis , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , d-gole@ti.com, msp@baylibre.com Cc: vishalm@ti.com, sebin.francis@ti.com, a-kaur@ti.com, s-kochidanadu@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kendall Willis Subject: Re: [PATCH v4 0/4] arm64: dts: ti: k3-am62: Support Main UART wakeup In-Reply-To: <20260122-b4-uart-daisy-chain-dts-v4-0-cfdabdf5e6c1@ti.com> References: <20260122-b4-uart-daisy-chain-dts-v4-0-cfdabdf5e6c1@ti.com> Date: Tue, 27 Jan 2026 12:14:18 -0800 Message-ID: <7hbjie6cf9.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260127_121420_850714_4F6801CC X-CRM114-Status: GOOD ( 13.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Kendall Willis writes: > This series adds wakeup support for the Main UART in the device tree of > the TI AM62 family of devices. It defines the specific pins and pinctrl > states needed to wakeup the system from the Main UART via I/O > daisy-chaining. The wakeup-source property is configured to describe the > low power modes the system can wakeup from using the Main UART. > > Dependency > ---------- > This series depends on the "serial: 8250: omap: set out-of-band wakeup if > wakeup pinctrl exists" [1] patch. This series should NOT be merged until > "serial: 8250: omap: set out-of-band wakeup if wakeup pinctrl exists" > is merged. > > Testing > ------- > Tested on a AM62P SK EVM board and a AM62L EVM board with all the above > mentioned series implemented. Suspend/resume verified with the Main UART > wakeup source by entering a keypress on the console. > > This github branch has all the necessary patches to test the series > using v6.19-rc1: > https://github.com/kwillis01/linux/tree/v6.19/uart-daisy-chain/all > > [1] https://lore.kernel.org/all/20260116-uart-wakeup-v2-1-0078ae9996e4@ti.com/ Reviewed-by: Kevin Hilman