From afc0666d03af36298ad5516b38699f33f5efee78 Mon Sep 17 00:00:00 2001 From: Erwan Le Ray Date: Thu, 18 Jun 2020 15:06:49 +0200 Subject: ARM: dts: stm32: add usart3 node to stm32mp157c-ev1 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 Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp157c-ev1.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch') diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts index b19056557ef0..85628e16d2d5 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -19,6 +19,7 @@ aliases { serial0 = &uart4; + serial1 = &usart3; ethernet0 = ðernet0; }; @@ -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"; -- cgit v1.2.3