Advanced users • CM4S: can't change spi0 to come out on gp35-39 alt0

Code:

# raspi-gpio get 35-39GPIO 35: level=1 fsel=4 alt=0 func=SPI0_CE1_N pull=DOWNGPIO 36: level=1 fsel=4 alt=0 func=SPI0_CE0_N pull=DOWNGPIO 37: level=1 fsel=0 func=INPUT pull=NONEGPIO 38: level=1 fsel=0 func=INPUT pull=NONEGPIO 39: level=1 fsel=0 func=INPUT pull=NONE

Code:

$ cat output/build/linux-custom/arch/arm/boot/dts/broadcom/spi0-gpio35.dtsi // SPI0 on GPIO 35-39 with ALT0 function&gpio {    spi0_pins: spi0_pins {        brcm,pins = <37 38 39>;        brcm,function = <4>;  // alt0brcm,pull = <0>;    };    spi0_cs_pins: spi0_cs_pins {brcm,pins = <35 36>;brcm,function = <4>;brcm,pull = <1>;    };};&spi0 {    #address-cells = <1>;    #size-cells = <0>;    pinctrl-names = "default";    pinctrl-0 = <&spi0_pins &spi0_cs_pins>;    status = "okay";    spidev@0 {    compatible = "spidev";    reg = <0>;    #address-cells = <1>;    #size-cells = <0>;    spi-max-frequency = <10000000>;    status = "okay";    };    spidev@1 {    compatible = "spidev";    reg = <1>;    #address-cells = <1>;    #size-cells = <0>;    spi-max-frequency= <10000000>;    status = "disabled";    };};