Description

made overlay to enable spi flash on rock5b based on https://github.com/Googulator/linux-rk3588-midstream/blob/adbadbf32e87b308688136aa55c03b1bed6f7e03/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts#L704C1-L724C4

root@rock-5b:~# lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
mtdblock0    31:0    0    16M  0 disk
mmcblk1     179:0    0  59.7G  0 disk
├─mmcblk1p1 179:1    0   256M  0 part /boot
└─mmcblk1p2 179:2    0  58.8G  0 part /var/log.hdd
                                      /
zram0       251:0    0   3.8G  0 disk [SWAP]
zram1       251:1    0    50M  0 disk /var/log
zram2       251:2    0     0B  0 disk
nvme0n1     259:0    0 238.5G  0 disk
└─nvme0n1p1 259:1    0 238.5G  0 part
root@rock-5b:~# dmesg|fgrep -i spi
[    0.000000] GICv3: 480 SPIs implemented
[    0.000000] GICv3: 0 Extended SPIs implemented
[    0.891760] spi spi0.0: Fixed dependency cycle(s) with /spi@feb20000/pmic@0/regulators/dcdc-reg7
[    0.892578] spi spi0.0: Fixed dependency cycle(s) with /spi@feb20000/pmic@0/dvs3-null-pins
[    0.893311] spi spi0.0: Fixed dependency cycle(s) with /spi@feb20000/pmic@0/dvs2-null-pins
[    0.894043] spi spi0.0: Fixed dependency cycle(s) with /spi@feb20000/pmic@0/dvs1-null-pins
[    0.896499] spi-nor spi1.0: mx25u12835f (16384 Kbytes)
[    1.761968] 1 fixed-partitions partitions found on MTD device spi1.0
[    1.762534] Creating 1 MTD partitions on "spi1.0":

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