Also created alias for usart1 and specified oscillator clock for stm32f7 discovery board.
Signed-off-by: Vikas Manocha vikas.manocha@st.com ---
Changed in v3: None Changed in v2: None
arch/arm/dts/stm32f746-disco.dts | 5 +++++ arch/arm/dts/stm32f746.dtsi | 27 +++++++++++++++++++++++++++ 2 files changed, 32 insertions(+)
diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts index bad0698..454b515 100644 --- a/arch/arm/dts/stm32f746-disco.dts +++ b/arch/arm/dts/stm32f746-disco.dts @@ -61,10 +61,15 @@ };
aliases { + serial0 = &usart1; spi0 = &qspi; }; };
+&clk_hse { + clock-frequency = <25000000>; +}; + &mac { status = "okay"; phy-mode = "rmii"; diff --git a/arch/arm/dts/stm32f746.dtsi b/arch/arm/dts/stm32f746.dtsi index 3902e76..afcd327 100644 --- a/arch/arm/dts/stm32f746.dtsi +++ b/arch/arm/dts/stm32f746.dtsi @@ -48,7 +48,16 @@ #include <dt-bindings/pinctrl/stm32f746-pinfunc.h>
/ { + clocks { + clk_hse: clk-hse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; +}; + soc { + u-boot,dm-pre-reloc; mac: ethernet@40028000 { compatible = "st,stm32-dwmac"; reg = <0x40028000 0x8000>; @@ -71,6 +80,24 @@ spi-max-frequency = <108000000>; status = "disabled"; }; + usart1: serial@40011000 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40011000 0x400>; + interrupts = <37>; + clocks = <&rcc 0 164>; + status = "disabled"; + u-boot,dm-pre-reloc; + }; + rcc: rcc@40023810 { + #reset-cells = <1>; + #clock-cells = <2>; + compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; + reg = <0x40023800 0x400>; + clocks = <&clk_hse>; + u-boot,dm-pre-reloc; + }; + + }; };