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authorErwan Le Ray <erwan.leray@st.com>2020-06-18 16:06:48 +0300
committerAlexandre Torgue <alexandre.torgue@st.com>2020-07-21 10:54:19 +0300
commitec847908966ed24b232e1f72cbdef85115ea684d (patch)
tree02a65202070ea33a7275d481339fc6026e1f65e1 /arch/arm
parent842ed898a757928c42281ce65f505029c5c837a9 (diff)
downloadlinux-ec847908966ed24b232e1f72cbdef85115ea684d.tar.xz
ARM: dts: stm32: add usart3 node to stm32mp15xx-dkx boards
Adds usart3 node to stm32mp15xx-dkx and usart3 alias to stm32mp157a-dk1 and stm32mp157c-dk2 boards. usart3 pins are connected to GPIO Expansion connector. usart3 is disabled by default. Signed-off-by: Erwan Le Ray <erwan.leray@st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/stm32mp157a-dk1.dts1
-rw-r--r--arch/arm/boot/dts/stm32mp157c-dk2.dts1
-rw-r--r--arch/arm/boot/dts/stm32mp15xx-dkx.dtsi9
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp157a-dk1.dts b/arch/arm/boot/dts/stm32mp157a-dk1.dts
index d03d4cd2606a..65ee61b7667a 100644
--- a/arch/arm/boot/dts/stm32mp157a-dk1.dts
+++ b/arch/arm/boot/dts/stm32mp157a-dk1.dts
@@ -18,6 +18,7 @@
aliases {
ethernet0 = &ethernet0;
serial0 = &uart4;
+ serial1 = &usart3;
};
chosen {
diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index 9a8a26710ac1..fb690a817e28 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -19,6 +19,7 @@
aliases {
ethernet0 = &ethernet0;
serial0 = &uart4;
+ serial1 = &usart3;
};
chosen {
diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
index dd5cef55d3ed..c562e181c2b1 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi
@@ -591,6 +591,15 @@
status = "okay";
};
+&usart3 {
+ pinctrl-names = "default", "sleep", "idle";
+ pinctrl-0 = <&usart3_pins_c>;
+ pinctrl-1 = <&usart3_sleep_pins_c>;
+ pinctrl-2 = <&usart3_idle_pins_c>;
+ uart-has-rtscts;
+ status = "disabled";
+};
+
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";