/sys/kernel/debug/mmc1 # cat *
0x405f022f
0x00020020
0
0
# Command Timeout Occurred:      0
# Command CRC Errors Occurred:   0
# Data Timeout Occurred:         0
# Data CRC Errors Occurred:      0
# Auto-Cmd Error Occurred:       0
# ADMA Error Occurred:   0
# Tuning Error Occurred:         0
# CMDQ RED Errors:       0
# CMDQ GCE Errors:       0
# CMDQ ICCE Errors:      0
# Request Timedout:      0
# CMDQ Request Timedout:         0
# ICE Config Errors:     0
# Controller Timedout errors:    0
# Unexpected IRQ errors:         0
clock:          0 Hz
vdd:            0 (invalid)
bus mode:       2 (push-pull)
chip select:    0 (don't care)
power mode:     0 (off)
bus width:      0 (1 bits)
timing spec:    0 (legacy)
signal voltage: 1 (1.80 V)
driver type:    0 (driver type B)
/sys/kernel/debug/mmc1 #