linux-rockchip/arch/arm/boot/dts/overlay/README.rockchip-overlays at 2f75e72e6ce76d08609054ff1e431d5195452961 · armbian/linux-rockchip · GitHub

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This document describes overlays provided in the kernel packages
For generic Armbian overlays documentation please see
https://docs.armbian.com/User-Guide_Armbian_overlays/

### Platform:

rockchip (Rockchip)
with vendor-kernel

### Provided overlays:

for RK3506:
- disable-ethernet0
- disable-ethernet1

for Forlinx OK3506-S12:
- spi0-1cs-spidev
- spi0-2cs-spidev
- spi1-1cs-spidev
- spi1-2cs-spidev

for Luckfox Lyra Plus:
- spi0-1cs-spidev
- spi0-1cs_rmio13-spidev
- spi0-2cs-spidev

for Luckfox Lyra Ultra W:
- spi0-1cs-spidev

for Luckfox Lyra Zero W:
- spi0-1cs-spidev
- spi0-2cs-spidev
- spi1-1cs-spidev
- spi1-2cs-spidev

### Overlay details:

### rk3506-disable-ethernet0
Disables `end0` ethernet adapter (`gmac0`, `mdio0`) to save power.

### rk3506-disable-ethernet1
Disables `end1` ethernet adapter (`gmac1`, `mdio1`) to save power.

### forlinx-ok3506-s12-spi0-1cs-spidev
Enables SPI0 spidev on forlinx-ok3506-s12 with one chipselect.
Compatible with Raspberry Pi 'spi0-1cs' hats.

### forlinx-ok3506-s12-spi0-2cs-spidev
Enables SPI0 spidev on forlinx-ok3506-s12 with two chipselects.
Compatible with Raspberry Pi 'spi0-2cs' hats.

### forlinx-ok3506-s12-spi1-1cs-spidev
Enables SPI1 spidev on forlinx-ok3506-s12 with one chipselect.
Compatible with Raspberry Pi 'spi1-1cs' hats.

### forlinx-ok3506-s12-spi1-2cs-spidev
Enables SPI1 spidev on forlinx-ok3506-s12 with two chipselects.
Compatible with Raspberry Pi 'spi1-2cs' hats.

### luckfox-lyra-plus-spi0-1cs-spidev
Enables SPI0 spidev on luckfox-lyra-plus with one chipselect (CS0 = RM_IO8).
Retains pin-compatibility with Luckfox Pico Plus.

### luckfox-lyra-plus-spi0-1cs_rmio13-spidev
Enables SPI0 spidev on luckfox-lyra-plus with CS0 on RM_IO13.
For Waveshare Pi Pico LoRa Hat which uses RM_IO13 as CS.

### luckfox-lyra-plus-spi0-2cs-spidev
Enables SPI0 spidev on luckfox-lyra-plus with two chipselects.
Retains pin-compatibility with Luckfox Pico Plus.

### luckfox-lyra-ultra-w-spi0-1cs-spidev
Enables SPI0 spidev on luckfox-lyra-ultra-w with one chipselect.
Retains pin-compatibility with Luckfox Pico Ultra.

### luckfox-lyra-zero-w-spi0-1cs-spidev
Enables SPI0 spidev on luckfox-lyra-zero-w with one chipselect.
Compatible with Raspberry Pi 'spi0-1cs' hats.

### luckfox-lyra-zero-w-spi0-2cs-spidev
Enables SPI0 spidev on luckfox-lyra-zero-w with two chipselects.
Compatible with Raspberry Pi 'spi0-2cs' hats.

### luckfox-lyra-zero-w-spi1-1cs-spidev
Enables SPI1 spidev on luckfox-lyra-zero-w with one chipselect.
Compatible with Raspberry Pi 'spi1-1cs' hats.

### luckfox-lyra-zero-w-spi1-2cs-spidev
Enables SPI1 spidev on luckfox-lyra-zero-w with two chipselects.
Compatible with Raspberry Pi 'spi1-2cs' hats.