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R . Silva" , Abel Vesa , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, Abel Vesa , Tobias Heider , Val Packett , Neil Armstrong , Stephan Gerhold , linux-hardening@vger.kernel.org, Dmitry Baryshkov , Konrad Dybcio Subject: Re: [PATCH v6 3/3] arm64: dts: qcom: x1e80100-dell-xps13-9345: introduce EC Date: Tue, 13 Oct 2026 15:53:27 -0400 Message-ID: <20261013195327.19571-1-lnicoara@thinkoid.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261013172718.12355-1-me@michaelburch.net> References: <20261013172718.12355-1-me@michaelburch.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Tue, 13 Oct 2026 12:27:16 -0500, Michael Burch wrote: > These two should be AMUX1_GPIO and AMUX2_GPIO. My unit (BIOS 2.14.0) > shows what Liviu reported [1]: 0x14c (lpddr5_therm) reads 130.048 C from > boot on, and that is the value the EC is sent. Same here, and the ADC1 table settles what my readings left open. On this unit (also BIOS 2.14.0), with all four GPIO channels defined in one DTB on a 7.2.6 kernel: 0x14a 38.6 C 0x14c 130.0 C (constant) 0x14b 32.7 C 0x14d 34.7 C A charger on the left USB-C port warmed 0x14b by 1.6 C in three minutes; 0x14d stayed within 0.1 C. So usb_charger_left_therm is AMUX2_GPIO, 0x14b, as your table says; 0x14a reads a board temperature and warms with the SoC. > + sys_therm0: channel@14a { > + reg = ; One note on the shape: hamoa-pmics.dtsi already defines channel@14a and channel@14b as pm8550_gpio_01 and pm8550_gpio_02, with gpio3 and gpio4 in high impedance for them. The EC's io-channels can reference those two directly; redefining the nodes in the board file only adds the labels, which the EC node does not need. Happy to test a v7 with the two channels moved. Liviu