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Message-Id: <20250318102259.189289-3-laura.nao@collabora.com>
Date: Tue, 18 Mar 2025 11:22:59 +0100
From: Laura Nao <laura.nao@...labora.com>
To: robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
matthias.bgg@...il.com,
angelogioacchino.delregno@...labora.com,
bleung@...omium.org,
tzungbi@...nel.org
Cc: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
chrome-platform@...ts.linux.dev,
nfraprado@...labora.com,
kernel@...labora.com,
Laura Nao <laura.nao@...labora.com>
Subject: [PATCH 2/2] arm64: dts: mediatek: mt8192-asurada-spherion: Mark trackpads as fail-needs-probe
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 <laura.nao@...labora.com>
---
.../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
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