[U-Boot] [PATCH 3/5] ARM: dts: stm32: Add Ethernet support on stm32mp1

This patch add Ethernet support on stm32mp157 eval board

Signed-off-by: Christophe Roullier christophe.roullier@st.com ---

arch/arm/dts/stm32mp157-pinctrl.dtsi | 31 ++++++++++++++++++++++++ arch/arm/dts/stm32mp157c-ev1.dts | 21 +++++++++++++++++ arch/arm/dts/stm32mp157c.dtsi | 35 ++++++++++++++++++++++++++++ 3 files changed, 87 insertions(+)

diff --git a/arch/arm/dts/stm32mp157-pinctrl.dtsi b/arch/arm/dts/stm32mp157-pinctrl.dtsi index 85da5926551..66723b01749 100644 --- a/arch/arm/dts/stm32mp157-pinctrl.dtsi +++ b/arch/arm/dts/stm32mp157-pinctrl.dtsi @@ -157,6 +157,37 @@ }; };

+ ethernet0_rgmii_pins_a: rgmii-0 { + pins1 { + pinmux = <STM32_PINMUX('G', 5, AF11)>, /* ETH_RGMII_CLK125 */ + <STM32_PINMUX('G', 4, AF11)>, /* ETH_RGMII_GTX_CLK */ + <STM32_PINMUX('G', 13, AF11)>, /* ETH_RGMII_TXD0 */ + <STM32_PINMUX('G', 14, AF11)>, /* ETH_RGMII_TXD1 */ + <STM32_PINMUX('C', 2, AF11)>, /* ETH_RGMII_TXD2 */ + <STM32_PINMUX('E', 2, AF11)>, /* ETH_RGMII_TXD3 */ + <STM32_PINMUX('B', 11, AF11)>, /* ETH_RGMII_TX_CTL */ + <STM32_PINMUX('C', 1, AF11)>; /* ETH_MDC */ + bias-disable; + drive-push-pull; + slew-rate = <2>; + }; + pins2 { + pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH_MDIO */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins3 { + pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH_RGMII_RXD0 */ + <STM32_PINMUX('C', 5, AF11)>, /* ETH_RGMII_RXD1 */ + <STM32_PINMUX('B', 0, AF11)>, /* ETH_RGMII_RXD2 */ + <STM32_PINMUX('B', 1, AF11)>, /* ETH_RGMII_RXD3 */ + <STM32_PINMUX('A', 1, AF11)>, /* ETH_RGMII_RX_CLK */ + <STM32_PINMUX('A', 7, AF11)>; /* ETH_RGMII_RX_CTL */ + bias-disable; + }; + }; + i2c1_pins_a: i2c1-0 { pins { pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */ diff --git a/arch/arm/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts index 902a42bee29..bdbf7fbd105 100644 --- a/arch/arm/dts/stm32mp157c-ev1.dts +++ b/arch/arm/dts/stm32mp157c-ev1.dts @@ -11,6 +11,9 @@ model = "STMicroelectronics STM32MP157C eval daughter on eval mother"; compatible = "st,stm32mp157c-ev1", "st,stm32mp157c-ed1", "st,stm32mp157";

+ aliases { + ethernet0 = &ethernet0; + }; };

&cec { @@ -19,6 +22,24 @@ status = "okay"; };

+&ethernet0 { + status = "okay"; + pinctrl-0 = <&ethernet0_rgmii_pins_a>; + pinctrl-names = "default"; + phy-mode = "rgmii-id"; + max-speed = <1000>; + phy-handle = <&phy0>; + + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; +}; + &i2c2 { pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins_a>; diff --git a/arch/arm/dts/stm32mp157c.dtsi b/arch/arm/dts/stm32mp157c.dtsi index 37cadfa30c9..1271abf42e6 100644 --- a/arch/arm/dts/stm32mp157c.dtsi +++ b/arch/arm/dts/stm32mp157c.dtsi @@ -915,6 +915,41 @@ status = "disabled"; };

+ stmmac_axi_config_0: stmmac-axi-config { + snps,wr_osr_lmt = <0x7>; + snps,rd_osr_lmt = <0x7>; + snps,blen = <0 0 0 0 16 8 4>; + }; + + ethernet0: ethernet@5800a000 { + compatible = "st,stm32mp1-dwmac", "snps,dwmac-4.20a"; + reg = <0x5800a000 0x2000>; + reg-names = "stmmaceth"; + interrupts-extended = + <&intc GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>, + <&intc GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>, + <&exti 70 1>; + interrupt-names = "macirq", + "eth_wake_irq", + "stm32_pwr_wakeup"; + clock-names = "stmmaceth", + "mac-clk-tx", + "mac-clk-rx", + "ethstp"; + clocks = <&rcc ETHMAC>, + <&rcc ETHTX>, + <&rcc ETHRX>, + <&rcc ETHSTP>; + st,syscon = <&syscfg 0x4>; + snps,mixed-burst; + snps,pbl = <2>; + snps,en-tx-lpi-clockgating; + snps,axi-config = <&stmmac_axi_config_0>; + snps,tso; + power-domains = <&pd_core>; + status = "disabled"; + }; + usbh_ohci: usbh-ohci@5800c000 { compatible = "generic-ohci"; reg = <0x5800c000 0x1000>;