Rockchip Rk3588S SoC 4x ARM Cortex-A76, 4x ARM Cortex-A55 4/8/16GB memory LPDDR4x Mali G610MC4 GPU MIPI CSI 2 multiple lanes connector 4-lane MIPI DSI connector Audio 3.5mm earphone jack eMMC module connector uSD slot (up to 128GB) 2x USB 2.0, 2x USB 3.0 2x micro HDMI 2.1 ports, one up to 8Kp60, the other up to 4Kp60 Gigabit Ethernet RJ45 with optional PoE support 40-pin IO header including UART, SPI, I2C and 5V DC power in USB PD over USB Type-C Size: 85mm x 56mm (Raspberry Pi 4 form factor) I previously talked about getting the bigger brother Rock 5B into mainline U-boot; this time I worked on the Rock 5A, which is one step closer to getting accepted.