Hi Anand, > Hi Lukasz > > On 3 January 2018 at 03:47, Lukasz Majewski <lukma@xxxxxxx> wrote: > > On Wed, 3 Jan 2018 01:54:57 +0530 > > Anand Moon <linux.amoon@xxxxxxxxx> wrote: > > > >> Hi All, > >> > >> I would like to get the s2mps11 regulator binding for u-boot to > >> work on Odroid XU3/XU4 > >> as in case of Odroid U3 we have max77686_bind function which dose > >> the job. > >> > >> what will be the correct way to reset s2mps11 control register to > >> the default values > >> in-order to support reset of some regulators. > >> > >> Below is the command I tried to gather some information but it > >> failed. > >> > >> Best Regards > >> -Anand Moon > >> ----------------------------------------------------------------------------------------------------------------------------------------- > >> U-Boot 2018.01-rc3-00060-g1314bd1 (Jan 02 2018 - 17:56:26 +0000) > >> for ODROID-XU3/XU4/HC1 > >> > >> CPU: Exynos5422 @ 800 MHz > >> Model: Odroid XU3 based on EXYNOS5422 > >> Board: Odroid XU3 based on EXYNOS5422 > >> Type: xu4 > >> DRAM: 2 GiB > >> MMC: EXYNOS DWMMC: 0, EXYNOS DWMMC: 1 > >> *** Warning - bad CRC, using default environment > >> > >> In: serial > >> Out: serial > >> Err: serial > >> Net: No ethernet found. > >> Hit any key to stop autoboot: 0 > >> Card did not respond to voltage select! > >> mmc_init: -95, time 11 > >> switch to partitions #0, OK > >> mmc0 is current device > >> Scanning mmc 0:1... > >> reading /exynos5422-odroidxu4.dtb > >> 62815 bytes read in 9 ms (6.7 MiB/s) > >> starting USB... > >> USB0: USB EHCI 1.00 > >> USB1: Register 2000140 NbrPorts 2 > >> Starting the controller > >> USB XHCI 1.00 > >> USB2: Register 2000140 NbrPorts 2 > >> Starting the controller > >> USB XHCI 1.00 > >> scanning bus 0 for devices... 1 USB Device(s) found > >> scanning bus 1 for devices... 3 USB Device(s) found > >> scanning bus 2 for devices... 2 USB Device(s) found > >> scanning usb for storage devices... 0 Storage Device(s) > >> found scanning usb for ethernet devices... 1 Ethernet Device(s) > >> found Waiting for Ethernet connection... done. > >> BOOTP broadcast 1 > >> BOOTP broadcast 2 > >> DHCP client bound to address 10.0.0.144 (1200 ms) > >> *** Warning: no boot file name; using '0A000090.img' > >> Using r8152#0 device > >> TFTP from server 0.0.0.0; our IP address is 10.0.0.144; sending > >> through gateway 10.0.0.1 > >> Filename '0A000090.img'. > >> Load address: 0x43e00000 > >> Loading: * > >> TFTP error: 'File not found' (1) > >> Not retrying... > >> missing environment variable: pxeuuid > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A000090 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A00009 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A0000 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A000 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A00 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A0 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0A > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/0 > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/default-arm-exynos > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/default-arm > >> *** ERROR: `serverip' not set > >> missing environment variable: bootfile > >> Retrieving file: pxelinux.cfg/default > >> *** ERROR: `serverip' not set > >> Config file not found > >> BOOTP broadcast 1 > >> DHCP client bound to address 10.0.0.144 (644 ms) > >> Using r8152#0 device > >> TFTP from server 0.0.0.0; our IP address is 10.0.0.144; sending > >> through gateway 10.0.0.1 > >> Filename 'boot.scr.uimg'. > >> Load address: 0x50000000 > >> Loading: * > >> TFTP error: 'File not found' (1) > >> Not retrying... > >> BOOTP broadcast 1 > >> BOOTP broadcast 2 > >> DHCP client bound to address 10.0.0.144 (1257 ms) > >> Using r8152#0 device > >> TFTP from server 0.0.0.0; our IP address is 10.0.0.144; sending > >> through gateway 10.0.0.1 > >> Filename 'boot.scr.uimg'. > >> Load address: 0x42000000 > >> Loading: * > >> TFTP error: 'File not found' (1) > >> Not retrying... > >> ODROID-XU3 # > >> ODROID-XU3 # > >> ODROID-XU3 # pmic s2mps11 dump > >> pmic - operations > >> > >> Usage: > >> pmic list - list pmic devices > >> pmic dev [name] - show or [set] operating PMIC device > >> pmic dump - dump registers > >> pmic read address - read byte of register at address > >> pmic write address - write byte to register at address > > > > First try to: > > > > pmic list > > pmic dev s2mps11_pmic@66 > > > > pmic dump > > pmic write 0xXX for your device > > > > > [snip] > > Thanks for your input. > > ODROID-XU3 # > | Name | Parent name | Parent > uclass @ seq | s2mps11_pmic@66 | i2c@12CA0000 > | i2c @ 4 ODROID-XU3 # pmic dev s2mps11_pmic@66 > dev: 0 @ s2mps11_pmic@66 > ODROID-XU3 # pmic dump > Dump pmic: s2mps11_pmic@66 registers > > 0x00: 83 00 11 00 ff 3b 03 1a 00 00 04 01 10 00 00 57 > 0x10: 5f 55 ff ff ff ff ff 00 00 00 00 00 00 00 00 00 > 0x20: 00 50 12 ca dc d8 50 f8 40 f9 40 f8 40 fe 3f 60 > 0x30: 78 90 c0 d8 44 d8 30 d8 64 d9 50 d8 a8 c8 d4 14 > 0x40: d4 d4 c8 d4 d4 f2 d4 c8 d4 f2 2c f2 dc f2 14 f2 > 0x50: 14 14 10 cc e8 14 ec c8 f2 14 f2 14 14 14 2c 10 > 0x60: 14 14 28 > > Actually, I am looking into setting some of the s2mps11 control > register + reset clk values > during board initialization. You can try to set those values by writing some u-boot script or bring the below (needed) code upstream, so those could be reused by others. > > Hardkernel Exynos5422 u-boot: > [0] > https://github.com/hardkernel/u-boot/blob/odroidxu3-v2012.07/board/samsung/smdk5422/pmic.c#L271-L329 > > Cromebok2 u-boot: > [1] > https://github.com/archlinuxarm/u-boot-chromebook2/blob/chromebook2/board/samsung/common/board.c#L299-L314 > > Some of the feature dont work out on warm boot because of this > missing feature. > > Best Regards > -Anand Moon Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@xxxxxxx
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