From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Date: Mon, 11 Aug 2025 15:06:48 +0000 (+0200)
Subject: arm64: dts: qcom: qrb2210-rb1: fix GPIO lookup flags for i2c SDA and SCL
X-Git-Tag: v6.18-rc1~147^2~32^2~166
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b2659ddbc2999e8b56edbcd12251b3e469bd0bca;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: qcom: qrb2210-rb1: fix GPIO lookup flags for i2c SDA and SCL

The I2C GPIO bus driver enforces the SDA and SCL pins as open-drain
outputs but the lookup flags in the DTS don't reflect that triggering
warnings from GPIO core. Add the appropriate flags.

Tested-by: Alexey Klimov <alexey.klimov@linaro.org>
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250811-qcom-gpio-lookup-open-drain-v1-1-b5496f80e047@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index b2e0fc5501c1e..277b33100ac07 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -5,6 +5,7 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
 #include "qcm2290.dtsi"
 #include "pm4125.dtsi"
@@ -63,8 +64,8 @@
 	i2c2_gpio: i2c {
 		compatible = "i2c-gpio";
 
-		sda-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
-		scl-gpios = <&tlmm 7 GPIO_ACTIVE_HIGH>;
+		sda-gpios = <&tlmm 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&tlmm 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 		#address-cells = <1>;
 		#size-cells = <0>;