[PATCH 1/1] ARM: dts: stm32: add pull-up to USART3 and UART7 RX pins on DKx boards

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Add pull-up to USART3 and UART7 RX pins to allow loop tests between USART3
and UART7 on stm32mp15 DKx boards.

Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxxxxxxx>

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index e13c2a9762b8..fe6e6f50151d 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1816,7 +1816,7 @@
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('E', 7, AF7)>; /* UART7_RX */
-			bias-disable;
+			bias-pull-up;
 		};
 	};
 
@@ -1826,7 +1826,7 @@
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('E', 7, AF7)>; /* UART7_RX */
-			bias-disable;
+			bias-pull-up;
 		};
 	};
 
@@ -1971,7 +1971,7 @@
 		pins2 {
 			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
 				 <STM32_PINMUX('I', 10, AF8)>; /* USART3_CTS_NSS */
-			bias-disable;
+			bias-pull-up;
 		};
 	};
 
@@ -1988,7 +1988,7 @@
 		};
 		pins3 {
 			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
-			bias-disable;
+			bias-pull-up;
 		};
 	};
 
@@ -2012,7 +2012,7 @@
 		pins2 {
 			pinmux = <STM32_PINMUX('B', 12, AF8)>, /* USART3_RX */
 				 <STM32_PINMUX('B', 13, AF7)>; /* USART3_CTS_NSS */
-			bias-disable;
+			bias-pull-up;
 		};
 	};
 
@@ -2029,7 +2029,7 @@
 		};
 		pins3 {
 			pinmux = <STM32_PINMUX('B', 12, AF8)>; /* USART3_RX */
-			bias-disable;
+			bias-pull-up;
 		};
 	};
 
-- 
2.17.1




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