Adds the usart3 node to stm32mp157c-ev1 board. 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>
aliases {
serial0 = &uart4;
+ serial1 = &usart3;
ethernet0 = ðernet0;
};
};
};
+&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";