[PATCH] ARM: dts: stm32: Disable optional TSC2004 on DRC02 board

Marek Vasut marex at denx.de
Thu Jan 7 10:07:42 EST 2021


The DRC02 has no use for the on-SoM touchscreen controller, and the
on-SoM touchscreen controller may not even be populated, which then
results in error messages in kernel log. Disable the touchscreen
controller in DT.

Fixes: fde180f06d7b ("ARM: dts: stm32: Add DHSOM based DRC02 board")
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Alexandre Torgue <alexandre.torgue at st.com>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: linux-stm32 at st-md-mailman.stormreply.com
To: linux-arm-kernel at lists.infradead.org
---
 arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi
index 8d1fea332665..5088dd3a301b 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-drc02.dtsi
@@ -87,6 +87,12 @@ eeprom at 50 {
 	};
 };
 
+&i2c4 {
+	touchscreen at 49 {
+		status = "disabled";
+	};
+};
+
 &i2c5 {	/* TP7/TP8 */
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c5_pins_a>;
-- 
2.29.2




More information about the linux-arm-kernel mailing list