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![]() For i2c controllers which are missing alias in DT there is no req_seq setup. This function is setting up proper ID based on highest found alias ID. On zcu102 this is the behavior when patch is applied. ZynqMP> i2c bus Bus 0: i2c@ff020000 20: gpio@20, offset len 1, flags 0 21: gpio@21, offset len 1, flags 0 75: i2c-mux@75, offset len 1, flags 0 Bus 2: i2c@0 Bus 3: i2c@1 Bus 4: i2c@2 Bus 1: i2c@ff030000 (active 1) 74: i2c-mux@74, offset len 1, flags 0 75: i2c-mux@75, offset len 1, flags 0 Bus 5: i2c@0 (active 5) 54: eeprom@54, offset len 1, flags 0 Bus 6: i2c@1 Bus 7: i2c@2 Bus 8: i2c@3 Bus 9: i2c@4 Bus 10: i2c@0 Bus 11: i2c@1 Bus 12: i2c@2 Bus 13: i2c@3 Bus 14: i2c@4 Bus 15: i2c@5 Bus 16: i2c@6 Bus 17: i2c@7 Before this patch applied (controllers have -1 ID) ZynqMP> i2c bus Bus 0: i2c@ff020000 20: gpio@20, offset len 1, flags 0 21: gpio@21, offset len 1, flags 0 75: i2c-mux@75, offset len 1, flags 0 Bus -1: i2c@0 Bus -1: i2c@1 Bus -1: i2c@2 Bus 1: i2c@ff030000 (active 1) 74: i2c-mux@74, offset len 1, flags 0 75: i2c-mux@75, offset len 1, flags 0 Bus -1: i2c@0 (active 0) 54: eeprom@54, offset len 1, flags 0 Bus -1: i2c@1 Bus -1: i2c@2 Bus -1: i2c@3 Bus -1: i2c@4 Bus -1: i2c@0 Bus -1: i2c@1 Bus -1: i2c@2 Bus -1: i2c@3 Bus -1: i2c@4 Bus -1: i2c@5 Bus -1: i2c@6 Bus -1: i2c@7 Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Heiko Schocher <hs@denx.de> |
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.. | ||
adc | ||
ata | ||
axi | ||
bios_emulator | ||
block | ||
board | ||
bootcount | ||
clk | ||
core | ||
cpu | ||
crypto | ||
ddr | ||
demo | ||
dfu | ||
dma | ||
fastboot | ||
firmware | ||
fpga | ||
gpio | ||
hwspinlock | ||
i2c | ||
input | ||
led | ||
mailbox | ||
memory | ||
misc | ||
mmc | ||
mtd | ||
net | ||
nvme | ||
pch | ||
pci | ||
pcmcia | ||
phy | ||
pinctrl | ||
power | ||
pwm | ||
qe | ||
ram | ||
remoteproc | ||
reset | ||
rtc | ||
scsi | ||
serial | ||
smem | ||
soc | ||
sound | ||
spi | ||
spmi | ||
sysreset | ||
tee | ||
thermal | ||
timer | ||
tpm | ||
usb | ||
video | ||
virtio | ||
w1 | ||
w1-eeprom | ||
watchdog | ||
Kconfig | ||
Makefile |