ARM: dts: stm32h7-pinctrl: add _a suffix to u[s]art_pins phandles

Allow expanding possible configurations for the same peripheral,
consistent with the scheme adopted in Linux.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20250427074404.3278732-2-dario.binacchi@amarulasolutions.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
[ upstream commit: 6a36dca4375fce51b627f5a985a79fc8b8bd7f55 ]

(cherry picked from commit 9a72c83f2e670087ae2d6dc54d2926f16c6762d0)

diff --git a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
index 7f1d234..ad00c10 100644 (file)
--- a/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
+++ b/dts/upstream/src/arm/st/stm32h7-pinctrl.dtsi
@@ -198,7 +198,7 @@
                };
        };
 
-       uart4_pins: uart4-0 {
+       uart4_pins_a: uart4-0 {
                pins1 {
                        pinmux = <STM32_PINMUX('A', 0, AF8)>; /* UART4_TX */
                        bias-disable;
@@ -211,7 +211,7 @@
                };
        };
 
-       usart1_pins: usart1-0 {
+       usart1_pins_a: usart1-0 {
                pins1 {
                        pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */
                        bias-disable;
@@ -224,7 +224,7 @@
                };
        };
 
-       usart2_pins: usart2-0 {
+       usart2_pins_a: usart2-0 {
                pins1 {
                        pinmux = <STM32_PINMUX('D', 5, AF7)>; /* USART2_TX */
                        bias-disable;
@@ -237,7 +237,7 @@
                };
        };
 
-       usart3_pins: usart3-0 {
+       usart3_pins_a: usart3-0 {
                pins1 {
                        pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
                                 <STM32_PINMUX('D', 12, AF7)>; /* USART3_RTS_DE */

diff --git a/dts/upstream/src/arm/st/stm32h743i-disco.dts b/dts/upstream/src/arm/st/stm32h743i-disco.dts
index 2b45288..8451a54 100644 (file)
--- a/dts/upstream/src/arm/st/stm32h743i-disco.dts
+++ b/dts/upstream/src/arm/st/stm32h743i-disco.dts
@@ -105,7 +105,7 @@
 };
 
 &usart2 {
-       pinctrl-0 = <&usart2_pins>;
+       pinctrl-0 = <&usart2_pins_a>;
        pinctrl-names = "default";
        status = "okay";
 };

diff --git a/dts/upstream/src/arm/st/stm32h743i-eval.dts b/dts/upstream/src/arm/st/stm32h743i-eval.dts
index 5c5d805..4b0ced2 100644 (file)
--- a/dts/upstream/src/arm/st/stm32h743i-eval.dts
+++ b/dts/upstream/src/arm/st/stm32h743i-eval.dts
@@ -145,7 +145,7 @@
 };
 
 &usart1 {
-       pinctrl-0 = <&usart1_pins>;
+       pinctrl-0 = <&usart1_pins_a>;
        pinctrl-names = "default";
        status = "okay";
 };

diff --git a/dts/upstream/src/arm/st/stm32h750i-art-pi.dts b/dts/upstream/src/arm/st/stm32h750i-art-pi.dts
index 44c307f..00d195d 100644 (file)
--- a/dts/upstream/src/arm/st/stm32h750i-art-pi.dts
+++ b/dts/upstream/src/arm/st/stm32h750i-art-pi.dts
@@ -197,14 +197,14 @@
 };
 
 &usart2 {
-       pinctrl-0 = <&usart2_pins>;
+       pinctrl-0 = <&usart2_pins_a>;
        pinctrl-names = "default";
        status = "disabled";
 };
 
 &usart3 {
        pinctrl-names = "default";
-       pinctrl-0 = <&usart3_pins>;
+       pinctrl-0 = <&usart3_pins_a>;
        dmas = <&dmamux1 45 0x400 0x05>,
               <&dmamux1 46 0x400 0x05>;
        dma-names = "rx", "tx";
@@ -221,7 +221,7 @@
 };
 
 &uart4 {
-       pinctrl-0 = <&uart4_pins>;
+       pinctrl-0 = <&uart4_pins_a>;
        pinctrl-names = "default";
        status = "okay";
 };