Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) * Energy Micro EFM32 SPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) - #address-cells: see spi-bus.txt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) - #size-cells: see spi-bus.txt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) - compatible: should be "energymicro,efm32-spi"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) - reg: Offset and length of the register set for the controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) - interrupts: pair specifying rx and tx irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) - clocks: phandle to the spi clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) - cs-gpios: see spi-bus.txt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) Recommended properties :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) - energymicro,location: Value to write to the ROUTE register's LOCATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)                         bitfield to configure the pinmux for the device, see
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)                         datasheet for values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)                         If this property is not provided, keeping what is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)                         already configured in the hardware, so its either the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)                         reset default 0 or whatever the bootloader did.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) spi1: spi@4000c400 { /* USART1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	#address-cells = <1>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	#size-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	compatible = "energymicro,efm32-spi";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	reg = <0x4000c400 0x400>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	interrupts = <15 16>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	clocks = <&cmu 20>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	cs-gpios = <&gpio 51 1>; // D3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	energymicro,location = <1>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	ks8851@0 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		compatible = "ks8851";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		spi-max-frequency = <6000000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		reg = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		interrupt-parent = <&boardfpga>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		interrupts = <4>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };