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arm64: dts: qcom: sc8280xp-crd: add support for volume-up key

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Add support for the keypad volume-up key on the debug extension board.

This is useful to have when testing PMIC interrupt handling, and the key
can also be used to wake up from deep suspend states (CX shutdown).

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250307171036.7276-1-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Johan Hovold 2025-03-07 18:10:36 +01:00 • committed by Bjorn Andersson
parent b49e37de8e
commit 3529d95361
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
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@ -37,6 +37,20 @@
stdout-path = "serial0:115200n8";
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-0 = <&kypd_vol_up_n>;
pinctrl-names = "default";
key-vol-up {
label = "volume_up";
gpios = <&pmc8280_1_gpios 6 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEUP>;
wakeup-source;
};
};
pmic-glink {
compatible = "qcom,sc8280xp-pmic-glink", "qcom,pmic-glink";
@ -885,6 +899,14 @@
function = "normal";
};
kypd_vol_up_n: kypd-vol-up-n-state {
pins = "gpio6";
function = "normal";
power-source = <0>; /* 3.3 V */
bias-pull-up;
input-enable;
};
misc_3p3_reg_en: misc-3p3-reg-en-state {
pins = "gpio2";
function = "normal";