[PATCH 2/2] arm64: dts: mediatek: mt8192-asurada-spherion: Mark trackpads as fail-needs-probe
From: Laura Nao <hidden>
Date: 2025-03-18 10:23:33
Also in:
chrome-platform, linux-devicetree, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Different Spherion variants use different trackpads on the same I2C2 bus. Instead of enabling all of them by default, mark them as "fail-needs-probe" and let the implementation determine which one is actually present. Additionally, move the trackpad pinctrl entry back to the individual trackpad nodes. Signed-off-by: Laura Nao <redacted> --- .../arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts | 7 +++++++ arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi | 6 ++++-- 2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts
index 8c485c3ced2c..163960f58db5 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts@@ -85,8 +85,15 @@ &i2c2 { trackpad@2c { compatible = "hid-over-i2c"; reg = <0x2c>; + pinctrl-names = "default"; + pinctrl-0 = <&trackpad_pins>; hid-descr-addr = <0x20>; interrupts-extended = <&pio 15 IRQ_TYPE_LEVEL_LOW>; wakeup-source; + status = "fail-needs-probe"; }; }; + +&trackpad { + status = "fail-needs-probe"; +};
diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index dd0d07fbe61a..b11b32a63bbc 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi@@ -335,11 +335,13 @@ &i2c2 { clock-frequency = <400000>; clock-stretch-ns = <12600>; pinctrl-names = "default"; - pinctrl-0 = <&i2c2_pins>, <&trackpad_pins>; + pinctrl-0 = <&i2c2_pins>; - trackpad@15 { + trackpad: trackpad@15 { compatible = "elan,ekth3000"; reg = <0x15>; + pinctrl-names = "default"; + pinctrl-0 = <&trackpad_pins>; interrupts-extended = <&pio 15 IRQ_TYPE_LEVEL_LOW>; vcc-supply = <&pp3300_u>; wakeup-source;
--
2.39.5