Commit graph

24025 commits

Author SHA1 Message Date
Simon Glass
a950d31abe bootstd: Add the bootmeth uclass and helpers
A bootmeth is a method of locating an operating system. For now, just
add the uclass itself. Drivers for particular bootmeths are added later.

If no bootmeths devices are included in the devicetree, create them
automatically. This avoids the need for boilerplate in the devicetree
files.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:04 -04:00
Simon Glass
201417d700 bootstd: Add the bootdev uclass
A 'bootdev' is a device which can be used to boot an operating system.
It is a child of the media device (e.g. MMC) which handles reading files
from that device, such as a bootflow file.

Add a uclass for bootdev and the various helpers needed to make it
work. Also add a binding file, empty for now.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:04 -04:00
Simon Glass
ef5e3891f5 bootstd: Add the bootstd uclass and core implementation
The 'bootstd' device provides the central information about U-Boot
standard boot.

Add a uclass for bootstd and the various helpers needed to make it
work. Also add a binding file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:04 -04:00
Simon Glass
9d260253e8 bootstd: Add the concept of a bootflow
A bootflow encapsulates the process used to boot an operating system.
It typically has a control file (such as extlinux.conf) and information
about which 'bootdev' it came from.

Add the header file for this first, since it is needed by all other
files.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:04 -04:00
Simon Glass
c24e58f599 fs: Add a function to set the filesystem type
When sandbox is used with hostfs we won't have a block device, but still
must set up the filesystem type before any filesystem operation, such as
loading a file. Add a function to handle this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Simon Glass
87571b7f20 dm: blk: Add a function to return the device type
Use the uclass name to get the device type for a block device.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Simon Glass
4e0710a2d0 dm: core: Allow finding a uclass device by partial name
In some cases two devices are related and the only way to tell is to
check that the names partially patch. Add a way to check this without
needing to create a new string for the comparison.

Fix the comment for device_find_child_by_namelen() while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Simon Glass
6aa4fe3912 dm: core: Rename and fix uclass_get_by_name_len()
It seems that namelen is more common in U-Boot. Rename this function to
fit in better. Also fix a bug where it breaks the operation of
uclass_get_by_name() and add a test.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reported-by: Tim Harvey <tharvey@gateworks.com>
2022-04-25 10:00:03 -04:00
Simon Glass
8565efd509 lib: Add a way to find the postiion of a trailing number
At present it is not possible to find out which part of the string is the
number part and which is before it. Add a new variant which provides this
feature, so we can separate the two in the caller.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Simon Glass
d667a0d8f4 lib: Fix a few bugs in trailing_strtoln()
At present this has a minor bug in that it reads the byte before the
start of the string, if it is empty. Also it doesn't handle a
non-numeric prefix which is only one character long.

Fix these bugs with a reworked implementation. Add a test for the second
case. The first one is hard to test.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Simon Glass
4e64cae0a0 lib: Correct comment formatting to avoid sphinx problems
Tweak a few comments to kep sphinx happy, in case we want to include this
file one day.

Also fix the 'exxamine' typo.

Patch-notes:
This uses:

   sed -i 's/@param \(\S*\)\s*/@\1: /' include/vsprintf.h

to convert the @param to the new format.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Simon Glass
18436c74dc test: Add tests for trailing_strtol()
This function currently has no tests. Add some.

Signed-off-by: Simon Glass <sjg@chromium.org>
2022-04-25 10:00:03 -04:00
Peter Hoyes
e9496ec374 fdt: Add -q option to fdt addr for distro_bootcmd
distro_bootcmd uses this construct a few times to test $fdt_addr_r,
and fall back on $fdtcontroladdr if not set/invalid:

    if fdt addr ${fdt_addr_r}; then
        ...
    else
        ...
    fi

If the `fdt addr` test fails, it prints the following  message on the
console, suggesting there is an error when there is not:

    libfdt fdt_check_header(): FDT_ERR_BADMAGIC

To remove this potentially confusing error message, this patch adds -q
as a 'quiet' option for fdt addr, and uses this flag in
config_distro_bootcmd.h

Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
2022-04-22 15:44:10 -04:00
Tom Rini
6d73175b1f Merge https://gitlab.denx.de/u-boot/custodians/u-boot-usb 2022-04-22 11:06:31 -04:00
Tom Rini
6e2af641e4 u-boot-imx-20220422
-------------------
 
 - Switch to DM_SERIAL
 - Drop MMCROOT
 - several cleanup
 
 CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/11815
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Merge tag 'u-boot-imx-20220422' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

u-boot-imx-20220422
-------------------

- Switch to DM_SERIAL
- Drop MMCROOT
- several cleanup

CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/11815
2022-04-22 08:12:20 -04:00
Michal Simek
e81782ab88 generic-phy: s/CONFIG_PHY/CONFIG_IS_ENABLED(PHY)/
Allow to disable PHY driver in SPL because it checks the CONFIG_SPL_PHY
variable for SPL builds.

The same change was done for usb by commit fd09c205fc ("usb:
s/CONFIG_DM_USB/CONFIG_IS_ENABLED(DM_USB)/").

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2022-04-22 10:35:14 +02:00
Heiko Thiery
d173b107be ARM: imx: imx8mn-evk: change environment address variables
Currently the space between kernel_addr_r and the fdt_addr_r is only 32MB.
To have enough space to load kernel images bigger than 32MB change the
variables to a feasible value.

The new environment variables layout is based on the scheme from
"include/configs/ti_armv7_common.h".

The CONFIG_SYS_LOAD_ADDR value is set to 0x42000000. With that we have
the same value as for the kernel_addr_r.

Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 23:14:24 +02:00
Peng Fan
f5f3906d3a configs: imx: drop IMX_FEC_BASE
IMX_FEC_BASE is not used in these boards, so drop it.

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 23:00:26 +02:00
Peng Fan
c5b9bf5518 include/configs: drop COUNTER_FREQUENCY
Since we have CONFIG_COUNTER_FREQUENCY enabled, no need COUNTER_FREQUENCY

Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 15:27:17 -04:00
Pali Rohár
1a47e6d47c crc16: Move standard CRC-16 implementation from ubifs to lib
This implementation provides standard CRC-16 algorithm with polynomial
x^16 + x^15 + x^2 + 1.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2022-04-21 14:32:40 -04:00
Pali Rohár
e523f5d181 crc16: Rename fs/ubifs/crc16.h to include/linux/crc16.h
File fs/ubifs/crc16.h is standard linux's crc16.h include file. So move it
from fs/ubifs to include/linux where are also other linux include files.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2022-04-21 14:32:40 -04:00
Pali Rohár
bb3d71b7ef crc16-ccitt: Rename file with CRC-16-CCITT implementation to crc16-ccitt.c
U-Boot CRC-16 implementation uses polynomial x^16 + x^12 + x^5 + 1 which is
not standard CRC-16 algorithm, but it is known as CRC-16-CCITT. Rename file
crc16.c to crc16-ccitt.c to reduce confusion.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2022-04-21 14:32:40 -04:00
Tom Rini
e50f66e364 Merge https://source.denx.de/u-boot/custodians/u-boot-marvell
- mrvl_uart.sh: Remove script (Pali)
- Fix Espressobin build for configs where ENV is not in SPI (Rogier)
- mvebu: a37xx: Add support for reading OTP (Pali)
- mvebu: uDPU: Ethernet fixes and misc DT and defconfig changes (Robert)
- mvebu: Add support for reading LD0 and LD1 eFuse (Pali)
- kwboot: Replace fstat()+st_size by lseek()+SEEK_END (Pali)
- mvebu: turris_omnia: Enable CONFIG_CMD_FUSE (Pali)
- arm: Add CONFIG_SPL_SYS_NO_VECTOR_TABLE used on 32bit MVEBU (Pali)
- mvebu: a37xx: Add support for writing Security OTP values (Pali)
- mvebu: turris: Misc enhancements and cleanups / fixes (Pali)
- Sheevaplug : Use Marvell uclass mvgbe and PHY driver for Ethernet (Tony)
2022-04-21 11:44:54 -04:00
Peng Fan
adfaa4284c configs: drop CONFIG_MMCROOT
CONFIG_MMCROOT is only used to set mmcroot, no need a dedicated macro.

Script as below
"
 for i in `ls include/configs/*.h`
 do
 mmcroot=`sed -n '/define.*MMCROOT/ p' $i  | awk -F\" '{ print $2;}'`

 if [ ! -n "$mmcroot" ]; then
 	continue
 fi

 sed -i '/define.*MMCROOT/ d' $i
 sed -i 's,\" CONFIG_MMCROOT \",'$mmcroot',g' $i

 done
"

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 15:18:17 +02:00
Paul Barker
a95cd68d51 board: ti: am335x: Add support for BBE Extended WiFi
The Sancloud BeagleBone Enhanced Extended WiFi (BBE Extended WiFi) has
its own devicetree file and the board can be identified by the 2nd
letter of the config string within the common EEPROM.

Signed-off-by: Paul Barker <paul.barker@sancloud.com>
2022-04-21 09:08:57 -04:00
Paul Barker
cde726442b board: ti: am335x: Add BBE Lite support
The Sancloud BeagleBone Enhanced Lite (BBE Lite) has its own devicetree
file and the board can be identified by the 2nd letter of the config
string within the common EEPROM.

Signed-off-by: Paul Barker <paul.barker@sancloud.com>
2022-04-21 09:08:57 -04:00
Marek Vasut
de70e8879b env: Implement lower priority arch_env_get_location()
Currently there is only one way to override desired environment location,
by implementing env_get_location(). This is increasingly being conflated
both on board level and architecture level, which leads to a problem on
boards where this function is already implemented on architecture level,
since those boards have no way to override this environment location on
board level anymore.

Implement arch_env_get_location() function which is architecture specific
and should only ever be implemented in architecture code. This function
has lower priority than env_get_location(), which should only ever be
implemented in board code, and which overrides the arch_env_get_location()
architecture environment selection.

This way, architecture can define its default environment chooser, while
board can now override it as needed at all times.

There is no functional change, since env_get_location() simply returns
arch_env_get_location(), and arch_env_get_location() implements the
current env_get_location() default content.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Adam Ford <aford173@gmail.com>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Marek Behún <marek.behun@nic.cz>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Tommaso Merciai <tomm.merciai@gmail.com>
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
2022-04-21 09:08:40 -04:00
Peng Fan
c82622acdf configs: phycore_imx8mm/p: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 CONFIG_SYS_FSL_USDHC_NUM
 CONFIG_SYS_FSL_ESDHC_ADDR

Reviewed-by: Fabio Estevam <festevam@denx.de>
Acked-By: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
ec04c5a9d7 configs: imx8mm/n_venice: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 CONFIG_SYS_FSL_USDHC_NUM
 CONFIG_SYS_FSL_ESDHC_ADDR

Reviewed-by: Fabio Estevam <festevam@denx.de>
Acked-By: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
d3af06012a configs: verdin-imx8m: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 CONFIG_SYS_FSL_USDHC_NUM
 CONFIG_SYS_FSL_ESDHC_ADDR

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
ee5e8ee471 configs: imx8qm/qxp_evk: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 CONFIG_SYS_FSL_USDHC_NUM
 CONFIG_SYS_FSL_ESDHC_ADDR

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
0f82da2b90 configs: mx7dsabresd: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 CONFIG_SYS_FSL_USDHC_NUM
 CONFIG_SYS_FSL_ESDHC_ADDR

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
228e947fa4 configs: mx6sxsabresd: drop CONFIG_SYS_FSL_USDHC_NUM
With DM_MMC, CONFIG_SYS_FSL_USDHC_NUM is not needed.

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
893152f383 configs: imx8mn_evk: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 #define CONFIG_SYS_FSL_USDHC_NUM       2
 #define CONFIG_SYS_FSL_ESDHC_ADDR      0

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
42d56cad63 configs: imx8mp_evk: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 #define CONFIG_SYS_FSL_USDHC_NUM       2
 #define CONFIG_SYS_FSL_ESDHC_ADDR      0

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Peng Fan
ff234d75ff configs: imx8mm_evk: drop unused SDHC macro
With SPL_DM_MMC and DM_MMC, the two macros not needed, drop it.
 #define CONFIG_SYS_FSL_USDHC_NUM       2
 #define CONFIG_SYS_FSL_ESDHC_ADDR      0

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
2022-04-21 14:38:03 +02:00
Ian Ray
2e26a76eb0 configs: ge_bx50v3: remove CONFIG_PCIE_IMX_POWER_GPIO
This GPIO is actually an input "Q7_3V3_PCIE_WAKE#_IN" not an output, so
remove the misleaading and incorrect definition.

Cc: Tim Harvey <tharvey@gateworks.com> (re: pci: imx: use vpcie-supply if defined by device-tree)
Signed-off-by: Ian Ray <ian.ray@ge.com>
2022-04-21 14:38:03 +02:00
Tony Dinh
ac47bd230c arm: kirkwood: Sheevaplug : Use Marvell uclass mvgbe and PHY driver for Ethernet
The Globalscale Technologies Sheevaplug board has the network chip
Marvell 88E1116R. Use uclass mvgbe and the compatible driver M88E1310
driver to bring up Ethernet.

- Remove CONFIG_RESET_PHY_R symbol from all board files
- Use uclass mvgbe to bring up the network. And remove ad-hoc code.
- Enable CONFIG_PHY_MARVELL to properly configure the network.
- Miscellaneous changes: Move constants to .c file and remove header file
board/Marvell/sheevaplug/sheevaplug.h, use BIT macro, and add/cleanup
comments.

Signed-off-by: Tony Dinh <mibodhi@gmail.com>
2022-04-21 13:14:52 +02:00
Marcel Ziswiler
fc102c87c1 board: toradex: drop colibri pxa270 support
The Colibri PXA270 has been end-of-life since quite a while and would
require more and more maintenance (e.g. DM conversions).

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
2022-04-21 12:48:30 +02:00
Tim Harvey
2395625209 board: gateworks: venice: add imx8mp-venice-gw740x support
The GW74xx is based on the i.MX 8M Plus SoC featuring:
 - LPDDR4 DRAM
 - eMMC FLASH
 - Gateworks System Controller
 - PCIe Gen 3.0 switch (build option)
 - USB 3.0 HUB
 - USB Type-C front panel connector
 - GPS
 - 3-axis accelerometer
 - CAN bus
 - 6x GbE RJ45 front-panel jacks
  - 1x IMX8M FEC RGMII GbE (with Passive PoE)
  - 5x IMX8M EQOS RGMII 6 port GbE Switch
    (1x with 802.3af class 5 Active PoE)
 - RS232/RS485/RS422 serial transceiver
 - MIPI header (DSI/CSI/GPIO/PWM/I2S)
 - DigI/O header (UART/GPIO/I2C/ADC)
 - 802.11ac WiFi
 - Bluetooth BLE
 - 3x MiniPCIe sockets with PCI/USB
 - 1x M.2 Socket with USB2.0, PCIe, and dual-SIM
 - PMIC
 - Wide range DC input supply (8V to 60V DC)

Do the following to add support for this and future imx8mp-venice boards:
 - add dts
 - add DRAM config
 - add PMIC config
 - add IMX8MP support in spl.c and venice.c

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
2022-04-21 12:44:24 +02:00
Tim Harvey
61cf225053 board: gateworks: gw_ventana: use comomn GSC driver
Use the common GSC driver.

This allows us to do some additional cleanup:
 - use the GSC driver functions
 - move waiting for the EEPROM to the SPL int (it will always be ready
   after this)
 - move eeprom functions into eeprom file and elimate GSC_I2C_BUS
 - eliminate some redundant EEPROM reads (the EEPROM must be read in
   SPL before relocation, in SPL after relocation, and in U-Boot init.
   All subsequent uses can use the global structure)
 - remove unnecessary header files and alphabatize includes

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
2022-04-21 12:44:24 +02:00
Tim Harvey
c574736915 configs: imx8m{m,n}_venice_defconfig: add usb support
Enable USB support for host controller and various USB ethernet
devices.

Example usage of USB Mass Storage (UMS) support:
 u-boot=> mmc list
 FSL_SDHC: 0
 FSL_SDHC: 1
 FSL_SDHC: 2 (eMMC)
 u-boot=> ums 0 mmc 2
 UMS: LUN 0, dev mmc 2, hwpart 0, sector 0x0, count 0xe30000

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
2022-04-21 12:44:23 +02:00
Tim Harvey
fd5c7173ad imx8m{m,n}_venice: update env memory layout
Update distro config env memory layout:
 - loadaddr=0x48200000 allows for 130MB area for uncompressing (ie FIT
   images, kernel_comp_addr_r)
 - fdt_addr_r = loadaddr + 128MB - allows for 128MB kernel
 - scriptaddr = fdt_addr_r + 512KB - allows for 512KB fdt
 - ramdisk_addr_r = scriptaddr + 512KB - allows for 512KB script

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>
2022-04-21 12:44:23 +02:00
Marcel Ziswiler
3f7d518acc configs: tdx: apalis/colibri_imx6: use preboot as well
Use PREBOOT as well. This allows a customer to just set fdt_board as
on any other module to customize the device tree for his carrier
board.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
2022-04-21 12:44:23 +02:00
Marcel Ziswiler
405c97fd1d configs: tdx: apalis_imx6: drop hw v1.0 support
Drop optional support for the ancient Apalis iMX6 V1.0 hardware which
had the UART wired as DCE rather than DTE.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
2022-04-21 12:44:23 +02:00
Igor Opaniuk
1410cba567 toradex: drop legacy nfsboot script
Drop legacy nfsboot script in favor of distroboot DHCP boot.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
2022-04-21 12:44:23 +02:00
Igor Opaniuk
1377a776c3 toradex: set default dhcp distroboot scriptname
Use the same name of DHCP Distroboot script as in regular eMMC case.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
2022-04-21 12:44:23 +02:00
Denys Drozdov
47bcc0d056 toradex: apalis-imx8x: drop support for apalis imx8x
Drop Apalis iMX8X platform as it never left sample state and is no
longer supported.

Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
2022-04-21 12:44:23 +02:00
Marek Vasut
2e760f180d imx: power-domain: Add i.MX8MP support
Add i.MX8MP power domain handling into the driver. This is based on the
Linux GPCv2 driver state which is soon to be in Linux next.

Tested-By: Tim Harvey <tharvey@gateworks.com> #imx8mp-venice-gw74xx
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
2022-04-21 12:44:23 +02:00
Marek Vasut
63c390a1ea power_domain: Add power_domain_get_by_name()
Implement power_domain_get_by_name() convenience function which parses
DT property 'power-domain-names' and looks up power domain by matching
name.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: Simon Glass <sjg@chromium.org>
2022-04-21 12:44:23 +02:00