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| author | Sebastian Reichel <sre@kernel.org> | 2025-09-18 23:20:28 +0200 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2025-09-26 14:26:07 +0300 |
| commit | a90a8ea288ef823621ccb9f786bd9d9ac1913ad9 (patch) | |
| tree | 4df14e55ec09ccb7a0ef315b42fd5239a924df77 /arch/arm64/boot | |
| parent | 60b7ab6ce030939d86c26f591967fbe7938b05da (diff) | |
| download | linux-a90a8ea288ef823621ccb9f786bd9d9ac1913ad9.tar.gz linux-a90a8ea288ef823621ccb9f786bd9d9ac1913ad9.tar.bz2 linux-a90a8ea288ef823621ccb9f786bd9d9ac1913ad9.zip | |
arm64: dts: qcom: x1e80100-t14s: add EC
Describe ThinkPad Embedded Controller in the T14s device tree,
which adds LED and special key support.
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on Thinkpad T14S OLED
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Link: https://patch.msgid.link/20250918-thinkpad-t14s-ec-v5-3-ac0bc6382c5c@collabora.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi index ac1dddf27da3..f70489aba870 100644 --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dtsi @@ -887,6 +887,24 @@ }; }; +&i2c6 { + clock-frequency = <400000>; + + status = "okay"; + + embedded-controller@28 { + compatible = "lenovo,thinkpad-t14s-ec"; + reg = <0x28>; + + interrupts-extended = <&tlmm 66 IRQ_TYPE_LEVEL_LOW>; + + pinctrl-0 = <&ec_int_n_default>; + pinctrl-names = "default"; + + wakeup-source; + }; +}; + &i2c7 { clock-frequency = <400000>; @@ -1267,6 +1285,12 @@ <72 2>, /* Secure EC I2C connection (?) */ <238 1>; /* UFS Reset */ + ec_int_n_default: ec-int-n-state { + pins = "gpio66"; + function = "gpio"; + bias-disable; + }; + eusb3_reset_n: eusb3-reset-n-state { pins = "gpio6"; function = "gpio"; |