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ARM: dts: stm32: Add Ethernet support on stm32h7 SOC and activate it for eval and disco boards

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Synopsys GMAC 4.10 is used. And Phy mode for eval and disco is RMII
with PHY SMSC LAN8742

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christophe Roullier 2019-03-05 09:29:28 +01:00 committed by David S. Miller
parent 8356679990
commit 5473f1be53
4 changed files with 62 additions and 0 deletions
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15
arch/arm/boot/dts/stm32h743-pinctrl.dtsi
View File

@ -173,6 +173,21 @@ pins {
};
};
ethernet_rmii: rmii@0 {
pins {
pinmux = <STM32_PINMUX('G', 11, AF11)>,
<STM32_PINMUX('G', 13, AF11)>,
<STM32_PINMUX('G', 12, AF11)>,
<STM32_PINMUX('C', 4, AF11)>,
<STM32_PINMUX('C', 5, AF11)>,
<STM32_PINMUX('A', 7, AF11)>,
<STM32_PINMUX('C', 1, AF11)>,
<STM32_PINMUX('A', 2, AF11)>,
<STM32_PINMUX('A', 1, AF11)>;
slew-rate = <2>;
};
};
usart1_pins: usart1@0 {
pins1 {
pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */

13
arch/arm/boot/dts/stm32h743.dtsi
View File

@ -511,6 +511,19 @@ adc3: adc@0 {
status = "disabled";
};
};
mac: ethernet@40028000 {
compatible = "st,stm32-dwmac", "snps,dwmac-4.10a";
reg = <0x40028000 0x8000>;
reg-names = "stmmaceth";
interrupts = <61>;
interrupt-names = "macirq";
clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";
clocks = <&rcc ETH1MAC_CK>, <&rcc ETH1TX_CK>, <&rcc ETH1RX_CK>;
st,syscon = <&syscfg 0x4>;
snps,pbl = <8>;
status = "disabled";
};
};
};

17
arch/arm/boot/dts/stm32h743i-disco.dts
View File

@ -66,6 +66,23 @@ &clk_hse {
clock-frequency = <25000000>;
};
&mac {
status = "disabled";
pinctrl-0 = <&ethernet_rmii>;
pinctrl-names = "default";
phy-mode = "rmii";
phy-handle = <&phy0>;
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&usart2 {
pinctrl-0 = <&usart2_pins>;
pinctrl-names = "default";

17
arch/arm/boot/dts/stm32h743i-eval.dts
View File

@ -104,6 +104,23 @@ &rtc {
status = "okay";
};
&mac {
status = "disabled";
pinctrl-0 = <&ethernet_rmii>;
pinctrl-names = "default";
phy-mode = "rmii";
phy-handle = <&phy0>;
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&usart1 {
pinctrl-0 = <&usart1_pins>;
pinctrl-names = "default";