stm32/boards/OPENMV_N6: Enable RGMII Ethernet.

Signed-off-by: Damien George <damien@micropython.org>

ports/stm32/boards/OPENMV_N6/mpconfigboard.h

@@ -126,6 +126,24 @@
 #define MICROPY_HW_USB_PID_CDC_HID  (MICROPY_HW_USB_PID)
 #define MICROPY_HW_USB_PID_CDC_MSC_HID  (MICROPY_HW_USB_PID)
 
+// Ethernet via RGMII
+#define NETWORK_LAN_PHY                         (ETH_PHY_RTL8211)
+#define MICROPY_HW_ETH_MDC                      (pin_D1)
+#define MICROPY_HW_ETH_MDIO                     (pin_D12)
+#define MICROPY_HW_ETH_RGMII_CLK125             (pin_F2)
+#define MICROPY_HW_ETH_RGMII_GTX_CLK            (pin_F0)
+#define MICROPY_HW_ETH_RGMII_TXD0               (pin_F12)
+#define MICROPY_HW_ETH_RGMII_TXD1               (pin_F13)
+#define MICROPY_HW_ETH_RGMII_TXD2               (pin_G3)
+#define MICROPY_HW_ETH_RGMII_TXD3               (pin_G4)
+#define MICROPY_HW_ETH_RGMII_TX_CTL             (pin_F11)
+#define MICROPY_HW_ETH_RGMII_RX_CLK             (pin_F7)
+#define MICROPY_HW_ETH_RGMII_RXD0               (pin_F14)
+#define MICROPY_HW_ETH_RGMII_RXD1               (pin_F15)
+#define MICROPY_HW_ETH_RGMII_RXD2               (pin_F8)
+#define MICROPY_HW_ETH_RGMII_RXD3               (pin_F9)
+#define MICROPY_HW_ETH_RGMII_RX_CTL             (pin_F10)
+
 // Murata 1YN configuration
 #define CYW43_CHIPSET_FIRMWARE_INCLUDE_FILE     "lib/cyw43-driver/firmware/w43439_sdio_1yn_7_95_59_combined.h"
 #define CYW43_WIFI_NVRAM_INCLUDE_FILE           "lib/cyw43-driver/firmware/wifi_nvram_1yn.h"

ports/stm32/boards/OPENMV_N6/pins.csv

@@ -95,7 +95,20 @@ P16,PE12
 I2C4_SCL,PE13
 I2C4_SDA,PE14
 ,PE15
+,PF0
+,PF2
+,PF7
+,PF8
+,PF9
+,PF10
+,PF11
+,PF12
+,PF13
+,PF14
+,PF15
 P6,PG0
+,PG3
+,PG4
 P9,PG12
 P7,PG13
 BAT_ADC,PG15