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From: Daniel J Blueman <daniel@quora.org>
To: "Sibi Sankar" <sibi.sankar@oss.qualcomm.com>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Hans de Goede" <hansg@kernel.org>,
	"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Konrad Dybcio" <konradybcio@kernel.org>,
	"Randy Dunlap" <rdunlap@infradead.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Anvesh Jain P <anvesh.p@oss.qualcomm.com>,
	Maya Matuszczyk <maccraft123mc@gmail.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>,
	Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
	Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	Akhil P Oommen <akhilpo@oss.qualcomm.com>,
	Abel Vesa <abel.vesa@oss.qualcomm.com>,
	Gaurav Kohli <gaurav.kohli@oss.qualcomm.com>,
	Daniel J Blueman <daniel@quora.org>
Subject: [PATCH v2] arm64: dts: qcom: slim7x: Add Embedded Controller node
Date: Sat,  2 May 2026 14:35:17 +0800	[thread overview]
Message-ID: <20260502063518.15153-1-daniel@quora.org> (raw)

The Lenovo Slim7x uses the same Embedded Controller as the Qualcomm
Hamoa Customer Reference Device (X1). Wire it up for fan control,
thermal sensor and suspend behaviour.

Signed-off-by: Daniel J Blueman <daniel@quora.org>
---
Changes in v2:
- corrected DT compatible node
- v1 link: https://lore.kernel.org/all/20260429103301.17449-1-daniel@quora.org/

Dependencies:
https://lore.kernel.org/all/20260427-add-driver-for-ec-v8-0-702f74e495f7@oss.qualcomm.com/

 .../dts/qcom/x1e80100-lenovo-yoga-slim7x.dts  | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index beb1475d7fa0..1ee2a2296129 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -951,6 +951,22 @@ retimer_ss0_con_sbu_out: endpoint {
 	};
 };
 
+&i2c5 {
+	clock-frequency = <400000>;
+
+	status = "okay";
+
+	embedded-controller@76 {
+		compatible = "qcom,hamoa-crd-ec";
+		reg = <0x76>;
+
+		interrupts-extended = <&tlmm 66 IRQ_TYPE_EDGE_FALLING>;
+
+		pinctrl-0 = <&ec_int_n_default>;
+		pinctrl-names = "default";
+	};
+};
+
 &i2c7 {
 	clock-frequency = <400000>;
 
@@ -1352,6 +1368,12 @@ &tlmm {
 			       <44 4>, /* SPI (TPM) */
 			       <238 1>; /* UFS Reset */
 
+	ec_int_n_default: ec-int-n-state {
+		pins = "gpio66";
+		function = "gpio";
+		bias-disable;
+	};
+
 	edp_reg_en: edp-reg-en-state {
 		pins = "gpio70";
 		function = "gpio";
-- 
2.53.0


                 reply	other threads:[~2026-05-02  6:35 UTC|newest]

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