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ARM: dts: stm32: add uart7 support to stm32mp15xx-dkx boards

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Adds uart7 node to stm32mp15xx-dkx and uart7 alias to stm32mp157a-dk1 and
stm32mp157c-dk2 boards. uart7 pins are connected to Arduino connector.
uart7 is disabled by default.

Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
This commit is contained in:
Erwan Le Ray
2020-06-18 15:06:50 +02:00
committed by Alexandre Torgue
parent afc0666d03
commit f74c7be7ce
3 changed files with 10 additions and 0 deletions
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1
arch/arm/boot/dts/stm32mp157a-dk1.dts
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@@ -19,6 +19,7 @@
ethernet0 = &ethernet0;
serial0 = &uart4;
serial1 = &usart3;
serial2 = &uart7;
};
chosen {

1
arch/arm/boot/dts/stm32mp157c-dk2.dts
View File

@@ -20,6 +20,7 @@
ethernet0 = &ethernet0;
serial0 = &uart4;
serial1 = &usart3;
serial2 = &uart7;
};
chosen {

8
arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
View File

@@ -591,6 +591,14 @@
status = "okay";
};
&uart7 {
pinctrl-names = "default", "sleep", "idle";
pinctrl-0 = <&uart7_pins_c>;
pinctrl-1 = <&uart7_sleep_pins_c>;
pinctrl-2 = <&uart7_idle_pins_c>;
status = "disabled";
};
&usart3 {
pinctrl-names = "default", "sleep", "idle";
pinctrl-0 = <&usart3_pins_c>;