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Diffstat (limited to 'dts/src/arm/stm32mp157c-ev1.dts')
-rw-r--r--dts/src/arm/stm32mp157c-ev1.dts15
1 files changed, 15 insertions, 0 deletions
diff --git a/dts/src/arm/stm32mp157c-ev1.dts b/dts/src/arm/stm32mp157c-ev1.dts
index b19056557e..85628e16d2 100644
--- a/dts/src/arm/stm32mp157c-ev1.dts
+++ b/dts/src/arm/stm32mp157c-ev1.dts
@@ -19,6 +19,7 @@
aliases {
serial0 = &uart4;
+ serial1 = &usart3;
ethernet0 = &ethernet0;
};
@@ -341,6 +342,20 @@
};
};
+&usart3 {
+ pinctrl-names = "default", "sleep", "idle";
+ pinctrl-0 = <&usart3_pins_b>;
+ pinctrl-1 = <&usart3_sleep_pins_b>;
+ pinctrl-2 = <&usart3_idle_pins_b>;
+ /*
+ * HW flow control USART3_RTS is optional, and isn't default wired to
+ * the connector. SB23 needs to be soldered in order to use it, and R77
+ * (ETH_CLK) should be removed.
+ */
+ uart-has-rtscts;
+ status = "disabled";
+};
+
&usbh_ehci {
phys = <&usbphyc_port0>;
status = "okay";