note

i2cget -y 2 0x64 0xff

i2cdetect -y 2

//I2C devices
//
//Name   Ports      Device    Address
//R_I2C	 1          IT66121   0x4C
//	            MCP3021   0x4D
//	            BMI270    0x68
//	            NCT75     0x48
//
//M_I2C	 2      Main FPGA     0x64        
//	            AL FPGA   0x65
//	            GM7150    0x5D
//	            NCT75     0x48
//
//L_I2C	 3      IT66021	    0x49 (HDMI IN)
//	          NCT75	    0x48



// How to increase size rootfs_extra of partition
z:\workspace\hdzero_goggle\workspace\device\config\chips\v536\configs\cdr\linux\sys_partition_nor.fex

[partition]
    name         = rootfs
    size         = 23808  <-- reported from make 
    downloadfile = "rootfs.fex"
    user_type    = 0x8000