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boards: teensy4: Add ethernet functionality #78417

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55f704b
drivers: ethernet: Add DP83825 phy driver
Sep 13, 2024
5b9a633
boards: teensy4: Update config for ethernet
Sep 13, 2024
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8 changes: 8 additions & 0 deletions boards/pjrc/teensy4/Kconfig.defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -13,4 +13,12 @@ config BUILD_OUTPUT_HEX
config DISK_DRIVER_SDMMC
default y if DISK_DRIVERS

if NETWORKING

config NET_L2_ETHERNET
default n if BOARD_TEENSY40
default y if BOARD_TEENSY41

endif # NETWORKING

endif # BOARD_TEENSY40 || BOARD_TEENSY41
48 changes: 24 additions & 24 deletions boards/pjrc/teensy4/teensy4-pinctrl.dtsi
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2022, NXP
* Copyright (c) 2024, Bernhard Kraemer
* SPDX-License-Identifier: Apache-2.0
*
* Note: File generated by gen_board_pinctrl.py
Expand All @@ -12,41 +13,40 @@
/* Mode Straps configuration DP83825 */
pinmux_enet: pinmux_enet {
group0 {
pinmux = <&iomuxc_gpio_b1_10_enet_ref_clk>;
bias-disable;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
input-enable;
};
group1 {
pinmux = <&iomuxc_gpio_b1_04_enet_rx_data0>,
<&iomuxc_gpio_b1_05_enet_rx_data1>,
<&iomuxc_gpio_b1_06_enet_rx_en>,
<&iomuxc_gpio_b1_07_enet_tx_data0>,
<&iomuxc_gpio_b1_08_enet_tx_data1>,
<&iomuxc_gpio_b1_09_enet_tx_en>,
<&iomuxc_gpio_b1_11_enet_rx_er>;
drive-strength = "r0-5";
bias-pull-down;
bias-pull-down-value = "100k";
slew-rate = "fast";
nxp,speed = "200-mhz";
};
group1 {
pinmux = <&iomuxc_gpio_b1_05_enet_rx_data1>;
drive-strength = "r0-5";
bias-pull-up;
bias-pull-up-value = "22k";
bias-pull-up-value = "100k";
slew-rate = "fast";
nxp,speed = "200-mhz";
};
group2 {
pinmux = <&iomuxc_gpio_b1_07_enet_tx_data0>,
<&iomuxc_gpio_b1_08_enet_tx_data1>,
<&iomuxc_gpio_b1_09_enet_tx_en>,
<&iomuxc_gpio_b1_14_enet_mdc>,
};

pinmux_enet_mdio: pinmux_enet_mdio {
group0 {
pinmux = <&iomuxc_gpio_b1_14_enet_mdc>,
<&iomuxc_gpio_b1_15_enet_mdio>,
<&iomuxc_gpio_b0_15_gpio2_io15>,
<&iomuxc_gpio_b0_14_gpio2_io14>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
};
group3 {
pinmux = <&iomuxc_gpio_b1_10_enet_ref_clk>;
drive-strength = "r0-6";
slew-rate = "slow";
nxp,speed = "100-mhz";
input-enable;
drive-strength = "r0-5";
bias-pull-up;
bias-pull-up-value = "100k";
slew-rate = "fast";
nxp,speed = "200-mhz";
};
};

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18 changes: 1 addition & 17 deletions boards/pjrc/teensy4/teensy40.dts
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Expand Up @@ -70,24 +70,8 @@ zephyr_udc0: &usb1 {
status = "okay";
};

/* Pinmux settings */
&enet_mac {
pinctrl-0 = <&pinmux_enet>;
pinctrl-names = "default";
zephyr,random-mac-address;
phy-connection-type = "rmii";
phy-handle = <&phy>;
};

&enet_mdio {
&edma0 {
status = "okay";
pinctrl-0 = <&pinmux_enet>;
pinctrl-names = "default";
phy: phy@0 {
compatible = "ethernet-phy";
reg = <0>;
status = "okay";
};
};

&flexcan1 {
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23 changes: 23 additions & 0 deletions boards/pjrc/teensy4/teensy41.dts
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Expand Up @@ -34,6 +34,29 @@
};
};

&enet_mac {
status = "okay";
pinctrl-0 = <&pinmux_enet>;
pinctrl-names = "default";
nxp,unique-mac;
phy-connection-type = "rmii";
phy-handle = <&phy>;
};

&enet_mdio {
status = "okay";
pinctrl-0 = <&pinmux_enet_mdio>;
pinctrl-names = "default";
phy: phy@0 {
status = "okay";
compatible = "ti,dp83825";
reg = <0>;
reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
int-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>;
ti,interface-type = "rmii";
};
};

&lpspi3 {
status = "okay";
};
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1 change: 1 addition & 0 deletions drivers/ethernet/phy/CMakeLists.txt
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Expand Up @@ -4,5 +4,6 @@ zephyr_library_sources_ifdef(CONFIG_PHY_GENERIC_MII phy_mii.c)
zephyr_library_sources_ifdef(CONFIG_PHY_ADIN2111 phy_adin2111.c)
zephyr_library_sources_ifdef(CONFIG_PHY_TJA1103 phy_tja1103.c)
zephyr_library_sources_ifdef(CONFIG_PHY_MICROCHIP_KSZ8081 phy_microchip_ksz8081.c)
zephyr_library_sources_ifdef(CONFIG_PHY_TI_DP83825 phy_ti_dp83825.c)
zephyr_library_sources_ifdef(CONFIG_PHY_REALTEK_RTL8211F phy_realtek_rtl8211f.c)
zephyr_library_sources_ifdef(CONFIG_PHY_QUALCOMM_AR8031 phy_qualcomm_ar8031.c)
9 changes: 9 additions & 0 deletions drivers/ethernet/phy/Kconfig
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Expand Up @@ -49,6 +49,15 @@ config PHY_MICROCHIP_KSZ8081
help
Enable Microchip KSZ8081 Ethernet PHY Driver

config PHY_TI_DP83825
bool "TI DP83825 PHY Driver"
default y
depends on DT_HAS_TI_DP83825_ENABLED
depends on MDIO
depends on GPIO
help
Enable TI DP83825 Ethernet PHY Driver

config PHY_REALTEK_RTL8211F
bool "Realtek RTL8211F PHY Driver"
default y
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