diff mbox series

[v11,7/7] arm64: dts: mediatek: mt8173-elm-hana: Mark touchscreens and trackpads as fail

Message ID 20241106093335.1582205-8-wenst@chromium.org
State New
Headers show
Series platform/chrome: Introduce DT hardware prober | expand

Commit Message

Chen-Yu Tsai Nov. 6, 2024, 9:33 a.m. UTC 
Instead of having them all available, mark them all as "fail-needs-probe"
and have the implementation try to probe which one is present.

Also remove the shared resource workaround by moving the pinctrl entry
for the trackpad interrupt line back into the individual trackpad nodes.

Cc: <stable+noautosel@kernel.org> # Needs accompanying new driver to work
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
---
Changes since v9:
- Picked up Doug's reviewed-by

Changes since v8:
none

Changes since v7:
- Mark touchscreen@40 as "fail-needs-probe" as well

Changes since v6:
none

Changes since v5:
none

Changes since v4:
- Rebased

Changes since v3:
- Also remove second source workaround, i.e. move the interrupt line
  pinctrl entry from the i2c node back to the components.

Changes since v2:
- Drop class from status
---
 arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi | 14 ++++++++++++++
 arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi      |  4 ++--
 2 files changed, 16 insertions(+), 2 deletions(-)

Comments

AngeloGioacchino Del Regno Nov. 14, 2024, 10:36 a.m. UTC | #1 
Il 06/11/24 10:33, Chen-Yu Tsai ha scritto:
> Instead of having them all available, mark them all as "fail-needs-probe"
> and have the implementation try to probe which one is present.
> 
> Also remove the shared resource workaround by moving the pinctrl entry
> for the trackpad interrupt line back into the individual trackpad nodes.
> 
> Cc: <stable+noautosel@kernel.org> # Needs accompanying new driver to work
> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
index ae0379fd42a9..dfc5c2f0ddef 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173-elm-hana.dtsi
@@ -14,6 +14,7 @@  touchscreen2: touchscreen@34 {
 		compatible = "melfas,mip4_ts";
 		reg = <0x34>;
 		interrupts-extended = <&pio 88 IRQ_TYPE_LEVEL_LOW>;
+		status = "fail-needs-probe";
 	};
 
 	/*
@@ -26,6 +27,7 @@  touchscreen3: touchscreen@20 {
 		reg = <0x20>;
 		hid-descr-addr = <0x0020>;
 		interrupts-extended = <&pio 88 IRQ_TYPE_LEVEL_LOW>;
+		status = "fail-needs-probe";
 	};
 
 	/* Lenovo Ideapad C330 uses G2Touch touchscreen as a 2nd source touchscreen */
@@ -35,6 +37,7 @@  touchscreen@40 {
 		hid-descr-addr = <0x0001>;
 		interrupt-parent = <&pio>;
 		interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
+		status = "fail-needs-probe";
 	};
 };
 
@@ -47,6 +50,8 @@  &i2c4 {
 	trackpad2: trackpad@2c {
 		compatible = "hid-over-i2c";
 		interrupts-extended = <&pio 117 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&trackpad_irq>;
 		reg = <0x2c>;
 		hid-descr-addr = <0x0020>;
 		/*
@@ -58,6 +63,7 @@  trackpad2: trackpad@2c {
 		 */
 		vdd-supply = <&mt6397_vgp6_reg>;
 		wakeup-source;
+		status = "fail-needs-probe";
 	};
 };
 
@@ -82,3 +88,11 @@  pins_wp {
 		};
 	};
 };
+
+&touchscreen {
+	status = "fail-needs-probe";
+};
+
+&trackpad {
+	status = "fail-needs-probe";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
index b4d85147b77b..eee64461421f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
@@ -358,12 +358,12 @@  touchscreen: touchscreen@10 {
 &i2c4 {
 	clock-frequency = <400000>;
 	status = "okay";
-	pinctrl-names = "default";
-	pinctrl-0 = <&trackpad_irq>;
 
 	trackpad: trackpad@15 {
 		compatible = "elan,ekth3000";
 		interrupts-extended = <&pio 117 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&trackpad_irq>;
 		reg = <0x15>;
 		vcc-supply = <&mt6397_vgp6_reg>;
 		wakeup-source;