大家好，请教一个问题。板子大致参考IDK做的，只是修改了VDD_3V3的电源供电方式，不是使用SMPS9供电，而是通过REGEN1控制外部开关电源。现在U-BOOT启动报i2c_write: error waiting for addr ACK (status=0x116) tps65903x: could not set LDO1 voltage。内核启动后卡在Waiting for root device PARTUUID=140fed4a-02..。查找了很久没找到问题，似乎TPS6590377的i2c完全工作。
下面是打印信息：
U-Boot SPL 2016.05 (Apr 09 2019 - 00:21:34)
DRA752-GP ES2.0
Trying to boot from MMC1
i2c_write: error waiting for addr ACK (status=0x116)
tps65903x: could not set LDO1 voltage.
reading args
spl_load_image_fat_os: error reading image args, err - -1
reading u-boot.img
reading u-boot.img
reading u-boot.img
reading u-boot.img
U-Boot 2016.05 (Apr 09 2019 - 00:21:34 -0700)
CPU : DRA752-GP ES2.0
Model: TI AM5728 BeagleBoard-X15
Board: AM572x EVM REV A.30
I2C: ready
DRAM: 2 GiB
MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
Card did not respond to voltage select!
** Bad device mmc 1 **
Using default environment
i2c_write: error waiting for addr ACK (status=0x116)
SCSI: SATA link 0 timeout.
AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: 64bit ncq stag pm led clo only pmp pio slum part ccc apst
scanning bus for devices...
Found 0 device(s).
Net: Could not get PHY for ethernet@48484000: addr 0
Warning: ethernet@48484000 using MAC address from ROM
eth0: ethernet@48484000
Hit any key to stop autoboot: 0
Saving Environment to FAT...
Card did not respond to voltage select!
** Bad device mmc 1 **
i2c_write: error waiting for addr ACK (status=0x116)
tps65903x: could not set LDO1 voltage.
switch to partitions #0, OK
mmc0 is current device
i2c_write: error waiting for addr ACK (status=0x116)
tps65903x: could not set LDO1 voltage.
SD/MMC found on device 0
reading boot.scr
** Unable to read file boot.scr **
reading uEnv.txt
574 bytes read in 4 ms (139.6 KiB/s)
Loaded env from uEnv.txt
Importing environment from mmc0 ...
i2c_write: error waiting for addr ACK (status=0x116)
tps65903x: could not set LDO1 voltage.
switch to partitions #0, OK
mmc0 is current device
i2c_write: error waiting for addr ACK (status=0x116)
tps65903x: could not set LDO1 voltage.
SD/MMC found on device 0
5292408 bytes read in 479 ms (10.5 MiB/s)
107079 bytes read in 33 ms (3.1 MiB/s)
Booting from mmc0 ...
Kernel image @ 0x82000000 [ 0x000000 - 0x50c178 ]
## Flattened Device Tree blob at 88000000
Booting using the fdt blob at 0x88000000
Loading Device Tree to 8ffe2000, end 8ffff246 ... OK
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.19 (shua@ubuntu) (gcc version 5.3.1 20160113 (Linaro GCC 5.3-2016.02) ) #6 SMP PREEMPT Mon Apr 1 19:53:24 PDT 2019
[ 0.000000] CPU: ARMv7 Processor [412fc0f2] revision 2 (ARMv7), cr=30c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
[ 0.000000] Machine model: TI AM572x EVM Rev A3
[ 0.000000] Reserved memory: created CMA memory pool at 0x0000000095800000, size 56 MiB
[ 0.000000] Reserved memory: initialized node ipu2_cma@95800000, compatible id shared-dma-pool
[ 0.000000] Reserved memory: created CMA memory pool at 0x0000000099000000, size 64 MiB
[ 0.000000] Reserved memory: initialized node dsp1_cma@99000000, compatible id shared-dma-pool
[ 0.000000] Reserved memory: created CMA memory pool at 0x000000009d000000, size 32 MiB
[ 0.000000] Reserved memory: initialized node ipu1_cma@9d000000, compatible id shared-dma-pool
[ 0.000000] Reserved memory: created CMA memory pool at 0x000000009f000000, size 8 MiB
[ 0.000000] Reserved memory: initialized node dsp2_cma@9f000000, compatible id shared-dma-pool
[ 0.000000] cma: Reserved 80 MiB at 0x00000000fac00000
[ 0.000000] Forcing write-allocate cache policy for SMP
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] OMAP4: Map 0x00000000ffd00000 to fe600000 for dram barrier
[ 0.000000] DRA752 ES2.0
[ 0.000000] PERCPU: Embedded 12 pages/cpu @eed29000 s19008 r8192 d21952 u49152
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 472640
[ 0.000000] Kernel command line: console=ttyO2,115200n8 vt.global_cursor_default=0 consoleblank=0 coherent_pool=2M root=PARTUUID=140fed4a-02 rw rootfstype=ext4 rootwait
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Memory: 1623292K/1897472K available (6543K kernel code, 368K rwdata, 2396K rodata, 344K init, 285K bss, 28420K reserved, 245760K cma-reserved, 1225728K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc08c302c (8941 kB)
[ 0.000000] .init : 0xc08c4000 - 0xc091a000 ( 344 kB)
[ 0.000000] .data : 0xc091a000 - 0xc09762b0 ( 369 kB)
[ 0.000000] .bss : 0xc0978000 - 0xc09bf440 ( 286 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] OMAP clockevent source: timer1 at 32786 Hz
[ 0.000000] Architected cp15 timer(s) running at 6.14MHz (virt).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x16af5adb9, max_idle_ns: 440795202250 ns
[ 0.000005] sched_clock: 56 bits at 6MHz, resolution 162ns, wraps every 4398046511023ns
[ 0.000015] Switching to timer-based delay loop, resolution 162ns
[ 0.000341] clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns
[ 0.000349] OMAP clocksource: 32k_counter at 32768 Hz
[ 0.000802] Console: colour dummy device 80x30
[ 0.000819] WARNING: Your 'console=ttyO2' has been replaced by 'ttyS2'
[ 0.000825] This ensures that you still see kernel messages. Please
[ 0.000830] update your kernel commandline.
[ 0.000843] Calibrating delay loop (skipped), value calculated using timer frequency.. 12.29 BogoMIPS (lpj=61475)
[ 0.000855] pid_max: default: 32768 minimum: 301
[ 0.000948] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000958] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001494] Initializing cgroup subsys io
[ 0.001510] Initializing cgroup subsys memory
[ 0.001533] Initializing cgroup subsys devices
[ 0.001546] Initializing cgroup subsys freezer
[ 0.001557] Initializing cgroup subsys perf_event
[ 0.001567] Initializing cgroup subsys pids
[ 0.001593] CPU: Testing write buffer coherency: ok
[ 0.001793] /cpus/cpu@0 missing clock-frequency property
[ 0.001808] /cpus/cpu@1 missing clock-frequency property
[ 0.001817] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.001854] Setting up static identity map for 0x800082c0 - 0x80008318
[ 0.080064] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.080124] Brought up 2 CPUs
[ 0.080137] SMP: Total of 2 processors activated (24.59 BogoMIPS).
[ 0.080144] CPU: All CPU(s) started in SVC mode.
[ 0.080511] devtmpfs: initialized
[ 0.109550] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
[ 0.110570] omap_hwmod: l3_main_2 using broken dt data from ocp
[ 0.316403] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.321403] pinctrl core: initialized pinctrl subsystem
[ 0.322265] NET: Registered protocol family 16
[ 0.323823] DMA: preallocated 2048 KiB pool for atomic coherent allocations
[ 0.350231] cpuidle: using governor ladder
[ 0.380252] cpuidle: using governor menu
[ 0.388282] omap_gpio 4ae10000.gpio: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/gpio1_pins_default, deferring probe
[ 0.389181] OMAP GPIO hardware version 0.1
[ 0.390615] omap_gpio 48059000.gpio: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/gpio4_pins_default, deferring probe
[ 0.394428] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
[ 0.394843] irq: no irq domain found for /ocp/l4@4a000000/scm@2000/pinmux@1400 !
[ 0.413225] omap-gpmc 50000000.gpmc: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/gpmc_pins_default, deferring probe
[ 0.423935] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.423945] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.424329] omap4_sram_init:Unable to allocate sram needed to handle errata I688
[ 0.424338] omap4_sram_init:Unable to get sram pool needed to handle errata I688
[ 0.424919] OMAP DMA hardware revision 0.0
[ 0.464516] omap-dma-engine 4a056000.dma-controller: OMAP DMA engine driver
[ 0.465699] edma 43300000.edma: memcpy is disabled
[ 0.470468] edma 43300000.edma: TI EDMA DMA engine driver
[ 0.474582] omap-iommu 40d01000.mmu: 40d01000.mmu registered
[ 0.474764] omap-iommu 40d02000.mmu: 40d02000.mmu registered
[ 0.474920] omap-iommu 58882000.mmu: 58882000.mmu registered
[ 0.475075] omap-iommu 55082000.mmu: 55082000.mmu registered
[ 0.475361] omap-iommu 41501000.mmu: 41501000.mmu registered
[ 0.475557] omap-iommu 41502000.mmu: 41502000.mmu registered
[ 0.477698] SCSI subsystem initialized
[ 0.477925] usbcore: registered new interface driver usbfs
[ 0.477983] usbcore: registered new interface driver hub
[ 0.478065] usbcore: registered new device driver usb
[ 0.478537] omap_i2c 48070000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/i2c1_pins_default, deferring probe
[ 0.478933] omap_i2c 48060000.i2c: bus 2 rev0.12 at 400 kHz
[ 0.478993] omap_i2c 4807a000.i2c: could not find pctldev for node /ocp/l4@4a000000/scm@2000/pinmux@1400/i2c4_pins_default, deferring probe
[ 0.479767] omap_i2c 4807c000.i2c: bus 4 rev0.12 at 400 kHz
[ 0.479974] media: Linux media interface: v0.10
[ 0.480026] Linux video capture interface: v2.00
[ 0.480064] pps_core: LinuxPPS API ver. 1 registered
[ 0.480071] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.480093] PTP clock support registered
[ 0.480134] EDAC MC: Ver: 3.0.0
[ 0.480907] omap-mailbox 4883c000.mailbox: omap mailbox rev 0x400
[ 0.481202] omap-mailbox 4883e000.mailbox: omap mailbox rev 0x400
[ 0.481490] omap-mailbox 48840000.mailbox: omap mailbox rev 0x400
[ 0.481790] omap-mailbox 48842000.mailbox: omap mailbox rev 0x400
[ 0.482135] Advanced Linux Sound Architecture Driver Initialized.
[ 0.482989] clocksource: Switched to clocksource arch_sys_counter
[ 0.493395] NET: Registered protocol family 2
[ 0.493885] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.493948] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.494073] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.494122] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.494152] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.494286] NET: Registered protocol family 1
[ 0.494549] RPC: Registered named UNIX socket transport module.
[ 0.494558] RPC: Registered udp transport module.
[ 0.494564] RPC: Registered tcp transport module.
[ 0.494570] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.495659] hw perfevents: enabled with armv7_cortex_a15 PMU driver, 7 counters available
[ 0.498054] futex hash table entries: 512 (order: 3, 32768 bytes)
[ 0.505757] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.506403] NFS: Registering the id_resolver key type
[ 0.506432] Key type id_resolver registered
[ 0.506439] Key type id_legacy registered
[ 0.506507] ntfs: driver 2.1.32 [Flags: R/O].
[ 0.508486] bounce: pool size: 64 pages
[ 0.508635] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
[ 0.508649] io scheduler noop registered
[ 0.508660] io scheduler deadline registered
[ 0.508692] io scheduler cfq registered (default)
[ 0.513321] pinctrl-single 4a003400.pinmux: 282 pins at pa fc003400 size 1128
[ 0.517423] PCI host bridge /ocp/axi@0/pcie@51000000 ranges:
[ 0.517434] No bus range found for /ocp/axi@0/pcie@51000000, using [bus 00-ff]
[ 0.517466] IO 0x20003000..0x20012fff -> 0x00000000
[ 0.517487] MEM 0x20013000..0x2fffffff -> 0x20013000
[ 0.547738] dra7-pcie 51000000.pcie: link is not up
[ 0.547908] dra7-pcie 51000000.pcie: PCI host bridge to bus 0000:00
[ 0.547921] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.547935] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]
[ 0.547945] pci_bus 0000:00: root bus resource [mem 0x20013000-0x2fffffff]
[ 0.548347] PCI: bus0: Fast back to back transfers disabled
[ 0.548463] PCI: bus1: Fast back to back transfers enabled
[ 0.548513] irq: no irq domain found for /ocp/axi@0/pcie@51000000/interrupt-controller !
[ 0.548545] pci 0000:00:00.0: BAR 0: assigned [mem 0x20100000-0x201fffff]
[ 0.548560] pci 0000:00:00.0: BAR 1: assigned [mem 0x20020000-0x2002ffff]
[ 0.548573] pci 0000:00:00.0: PCI bridge to [bus 01]
[ 0.548790] pcieport 0000:00:00.0: Signaling PME through PCIe PME interrupt
[ 0.550150] backlight supply power not found, using dummy regulator
[ 0.609910] Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled
[ 0.613329] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 237, base_baud = 3000000) is a 8250
[ 0.614202] console [ttyS2] disabled
[ 0.614247] 48020000.serial: ttyS2 at MMIO 0x48020000 (irq = 238, base_baud = 3000000) is a 8250
[ 1.658079] console [ttyS2] enabled
[ 1.662396] 48422000.serial: ttyS7 at MMIO 0x48422000 (irq = 239, base_baud = 3000000) is a 8250
[ 1.672077] 4ae2b000.serial: ttyS9 at MMIO 0x4ae2b000 (irq = 240, base_baud = 3000000) is a 8250
[ 1.682230] [drm] Initialized drm 1.1.0 20060810
[ 1.693190] loop: module loaded
[ 1.700595] m25p80 spi32766.0: s25fl256s1 (32768 Kbytes)
[ 1.706015] 8 ofpart partitions found on MTD device spi32766.0
[ 1.711874] Creating 8 MTD partitions on "spi32766.0":
[ 1.717059] 0x000000000000-0x000000020000 : "QSPI.SPL"
[ 1.723191] 0x000000020000-0x000000040000 : "QSPI.SPL.backup1"
[ 1.729960] 0x000000040000-0x000000140000 : "QSPI.u-boot"
[ 1.736337] 0x000000140000-0x0000001c0000 : "QSPI.u-boot-spl-os"
[ 1.743315] 0x0000001c0000-0x0000001d0000 : "QSPI.u-boot-env"
[ 1.749982] 0x0000001d0000-0x0000001e0000 : "QSPI.u-boot-env.backup1"
[ 1.757371] 0x0000001e0000-0x0000009e0000 : "QSPI.kernel"
[ 1.763700] 0x0000009e0000-0x000002000000 : "QSPI.user-data"
[ 1.771638] libphy: Fixed MDIO Bus: probed
[ 1.823024] davinci_mdio 48485000.mdio: davinci mdio revision 1.6
[ 1.829147] davinci_mdio 48485000.mdio: no live phy, scanning all
[ 1.836840] davinci_mdio: probe of 48485000.mdio failed with error -5
[ 1.843971] cpsw 48484000.ethernet: Detected MACID = 34:03:de:f5:e3:70
[ 1.851261] cpsw 48484000.ethernet: cpsw: Detected MACID = 34:03:de:f5:e3:71
[ 1.861672] usbcore: registered new interface driver usb-storage
[ 1.868052] mousedev: PS/2 mouse device common for all mice
[ 1.874160] i2c /dev entries driver
[ 1.881725] omap_hsmmc 4809c000.mmc: Got CD GPIO
[ 1.886618] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
[ 1.893104] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
[ 1.899485] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
[ 1.905884] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
[ 1.912264] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
[ 1.918664] omap_hsmmc 4809c000.mmc: no pinctrl state for hs mode
[ 1.953570] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
[ 1.959954] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
[ 2.034646] ledtrig-cpu: registered to indicate activity on CPUs
[ 2.042230] NET: Registered protocol family 10
[ 2.057551] sit: IPv6 over IPv4 tunneling driver
[ 2.062718] NET: Registered protocol family 17
[ 2.067463] Key type dns_resolver registered
[ 2.071864] omap_voltage_late_init: Voltage driver support not added
[ 2.078766] Adding alias for supply vdd,cpu0 -> vdd,4a003b20.oppdm
[ 2.084995] Adding alias for supply vbb,cpu0 -> vbb,4a003b20.oppdm
[ 2.091231] ti_oppdm 4a003b20.oppdm: Unable to get vdd regulator:-517
[ 2.097841] Power Management for TI OMAP4+ devices.
[ 2.103007] Registering SWP/SWPB emulation handler
[ 2.110524] dmm 4e000000.dmm: initialized all PAT entries
[ 2.128270] omap-gpmc 50000000.gpmc: GPMC revision 6.0
[ 2.133453] gpmc_mem_init: disabling cs 0 mapped at 0x0-0x1000000
[ 2.140958] palmas 0-0058: Irq flag is 0x00000008
[ 2.163084] palmas 0-0058: POLARITY_CTRL updat failed: -121
[ 2.168977] palmas: probe of 0-0058 failed with error -121
[ 2.174698] omap_i2c 48070000.i2c: bus 0 rev0.12 at 400 kHz
[ 2.193104] tmp102 3-0049: error reading config register
[ 2.198450] tmp102: probe of 3-0049 failed with error -121
[ 2.204142] omap_i2c 4807a000.i2c: bus 3 rev0.12 at 400 kHz
[ 2.211438] omap_hsmmc 4809c000.mmc: Got CD GPIO
[ 2.216297] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
[ 2.222767] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
[ 2.229168] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
[ 2.235564] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
[ 2.241945] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
[ 2.248341] omap_hsmmc 4809c000.mmc: no pinctrl state for hs mode
[ 2.283743] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
[ 2.290127] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
[ 2.323221] Adding alias for supply vdd,cpu0 -> vdd,4a003b20.oppdm
[ 2.329431] Adding alias for supply vbb,cpu0 -> vbb,4a003b20.oppdm
[ 2.335693] ti_oppdm 4a003b20.oppdm: Unable to get vdd regulator:-517
[ 2.343207] input: gpio_keys as /devices/platform/gpio_keys/input/input0
[ 2.351981] omap_hsmmc 4809c000.mmc: Got CD GPIO
[ 2.356902] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr104 mode
[ 2.363394] omap_hsmmc 4809c000.mmc: no pinctrl state for ddr50 mode
[ 2.364245] vdd_3v3: disabling
[ 2.364249] aic_dvdd_fixed: disabling
[ 2.364255] vmmcwl_fixed: disabling
[ 2.364264] pbias_mmc_omap5: disabling
[ 2.364507] ALSA device list:
[ 2.364510] No soundcards found.
[ 2.391528] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr50 mode
[ 2.397939] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr25 mode
[ 2.404342] omap_hsmmc 4809c000.mmc: no pinctrl state for sdr12 mode
[ 2.410724] omap_hsmmc 4809c000.mmc: no pinctrl state for hs mode
[ 2.443202] Waiting for root device PARTUUID=140fed4a-02...
[ 2.443891] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr25 mode
[ 2.443896] omap_hsmmc 480b4000.mmc: no pinctrl state for sdr12 mode
[ 2.473232] Adding alias for supply vdd,cpu0 -> vdd,4a003b20.oppdm
[ 2.479442] Adding alias for supply vbb,cpu0 -> vbb,4a003b20.oppdm
[ 2.485703] ti_oppdm 4a003b20.oppdm: Unable to get vdd regulator:-517
