[PATCH V3] arm64: dts: qcom: arduino-imola: fix faulty spidev node

From: Riccardo Mereu

Date: Fri Feb 13 2026 - 05:11:03 EST


From: Riccardo Mereu <r.mereu@xxxxxxxxxx>

CS pin added on pinctrl0 property is causing spidev to return -ENODEV
since that GPIO is already part of spi5 pinmuxing.

Fixes: 3f745bc0f11f ("arm64: dts: qcom: qrb2210: add dts for Arduino unoq")
Signed-off-by: Riccardo Mereu <r.mereu@xxxxxxxxxx>
---

Changes since V2:
- Changed spidev@0 nodename to mcu@0.
- Changed properties order in same node to match DTS coding
style.

arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
index 197ab6eb1666..5ab605cc56c8 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts
@@ -325,21 +325,13 @@ &sdhc_1 {
&spi5 {
status = "okay";

- spidev@0 {
- reg = <0>;
+ mcu@0 {
compatible = "arduino,unoq-mcu";
- pinctrl-0 = <&spidev_cs>;
- pinctrl-names = "default";
+ reg = <0>;
};
};

&tlmm {
- spidev_cs: spidev-cs-state {
- pins = "gpio17";
- function = "gpio";
- drive-strength = <16>;
- };
-
jmisc_gpio18: jmisc-gpio18-state {
pins = "gpio18";
function = "gpio";
--
2.53.0