Commit 3fa047fd authored by Alexandre TORGUE's avatar Alexandre TORGUE Committed by Greg Kroah-Hartman

dt-bindings: Add DMA bindings for STM32 USART

Signed-off-by: default avatarGerald Baeza <gerald.baeza@st.com>
Signed-off-by: default avatarAlexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 511c7b1b
......@@ -12,6 +12,8 @@ stm32(f4) or stm32f7.
Optional properties:
- pinctrl: The reference on the pins configuration
- st,hw-flow-ctrl: bool flag to enable hardware flow control.
- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
- dma-names: "rx" and/or "tx"
Examples:
usart4: serial@40004c00 {
......@@ -32,3 +34,13 @@ usart2: serial@40004400 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>;
};
usart1: serial@40011000 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40011000 0x400>;
interrupts = <37>;
clocks = <&rcc 0 164>;
dmas = <&dma2 2 4 0x414 0x0>,
<&dma2 7 4 0x414 0x0>;
dma-names = "rx", "tx";
};
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