Michal Simek [Thu, 29 Jul 2021 08:39:08 +0000 (10:39 +0200)]
rtc: zynqmp: Add support for ZynqMP RTC
The whole driver logic is taken from Linux kernel but only set/get/reset
functions are implemented. When device is power off RTC is power out of
battery.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Thu, 29 Jul 2021 10:59:12 +0000 (12:59 +0200)]
cmd: date: rtc: Update command to read the first RTC with seq 0
RTCs are using sequence number defined in aliases node. Date command with
DM_RTC enabled is looking for the first RTC with index 0. But when
RTC_EMULATION is enabled it gets likely most of the time index 0 even when
system has rtc0 device via aliases node and gets sequence number 0.
That's why extend the code to look for sequence 0 number first. If this
fails continue to use existing device with index 0.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Thu, 29 Jul 2021 10:57:12 +0000 (12:57 +0200)]
dm: rtc: uclass: Add flag to control sequence numbering
RTCs are using aliases for sequences. That's why enable
DM_UC_FLAG_SEQ_ALIAS for exact RTC indentification.
The same flag is used by a lot of other uclasses like mmc, pci, serial,
spi, timer, tpm, etc.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Fri, 30 Jul 2021 05:59:29 +0000 (07:59 +0200)]
firmware: xilinx: Use explicit values for all enum values
Based on discussion at
https://lore.kernel.org/r/20200318125003.GA2727094@kroah.com we got
recommendation to use explicit values for all enum values.
The patch is following this recommendation.
Michal Simek [Tue, 27 Jul 2021 14:19:18 +0000 (16:19 +0200)]
xilinx: zynqmp: Add support for runtime dfu_alt_info setup
The main reason for this to be implemented is capsule update.
Two memories are supported and tested which is MMC FAT based and QSPI
based.
For creating capsule these commands are used:
./tools/mkeficapsule --raw spl/boot.bin --index 1 capsule1.bin
./tools/mkeficapsule --raw u-boot.itb --index 2 capsule2.bin
Then transfer to SD card where these commands run:
load mmc 0 10000000 capsule1.bin
efidebug capsule update -v 10000000
load mmc 0 10000000 capsule2.bin
efidebug capsule update -v 10000000
Depends on the boot device used are binaries loaded to qspi or mmc fat
partition.
Also multiboot register is handled to make sure that the same location(id)
is used as image which is upgraded.
Two locations are used by purpose for SPL flow. If only boot.bin is used
create only one capsule.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Wed, 28 Jul 2021 10:43:53 +0000 (12:43 +0200)]
xilinx: zynqmp: Config non zero SYS_SPI_U_BOOT_OFFS
This variable is pointing to offset is qspi where u-boot image is placed.
In our case it is location of u-boot.itb file. Offset is the same as is
used by Xilinx Zynq SoC.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Tue, 27 Jul 2021 14:17:31 +0000 (16:17 +0200)]
xilinx: zynqmp: use zynqmp_mmio_read() in multi_boot()
When U-Boot runs in EL2 there is no access to csu_base registers that's why
this has to be done via firmware interface to find out multi boot register
value. Till now this function is called only from SPL in EL3.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Tue, 27 Jul 2021 12:05:27 +0000 (14:05 +0200)]
xilinx: zynqmp: Change multi_boot() to return value
Change multi_boot() to return multiboot value and move print out of this
function and let this function to be used by other functions without
duplicating message.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
fs/squashfs: Fix some hardlinks reading the wrong inode
In SquashFS, the contents of a directory is stored by
squashfs_directory_entry structures which contain the file's name, inode
and position within the filesystem.
The inode number is not stored directly; instead each directory has one
or more headers which set a base inode number, and files store the
offset from that to the file's inode number.
In mksquashfs, each inode is allocated a number in the same order as
they are written to the directory table; thus the offset from the
header's base inode number to the file's inode number is usually
positive.
Hardlinks are simply stored with two directory entries referencing the
same file. This means the second entry will thus have an inode number
much lower than the surrounding files. Since the header's base inode
number comes from the first entry that uses the header, this delta will
usually be negative.
Previously, U-Boot's squashfs_directory_entry.inode_offset field was
declared as an unsigned value. Thus when a negative value was found, it
would either resolve to an invalid inode number or to that of an
unrelated file.
A squashfs image to test this can be created like so:
Note that squashfs sorts the files ASCIIbetacally, so we can use the
names to control the order they appear in. The ordering is important -
the first reference to the file must have a lower inode number than the
directory in which the second reference resides, and the second
reference cannot be the first file in the directory.
John Keeping [Tue, 20 Apr 2021 18:19:44 +0000 (19:19 +0100)]
fit: Fix verification of images with external data
The "-E" option to mkimage generates a FIT with external data using the
data-size and data-offset properties which must both be ignored when
verifying a signature.
Add "data-offset" to the list of excluded properties for signature
verification; since the line is now too long, re-format the list to
one-per-line and make it static since the data is constant.
Signed-off-by: John Keeping <john@metanate.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Bin Meng [Fri, 30 Jul 2021 07:20:17 +0000 (15:20 +0800)]
mtd: spi-nor: Mask out fast read if not requested in DT
The DT bindings of "jedec,spi-nor" [1] defines "m25p,fast-read" property
to indicate that "fast read" opcode can be used to read data from the
chip instead of the usual "read" opcode.
If this property is not present in DT, mask out fast read in
spi_nor_init_params(). This change mirrors the same logic in
spi_nor_info_init_params() in drivers/mtd/spi-nor/core.c in
the Linux kernel v5.14-rc3.
[1] Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml in the kernel tree
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Bin Meng [Wed, 28 Jul 2021 12:50:14 +0000 (20:50 +0800)]
spi: spi-mem-nodm: Fix read data size issue
When slave drivers don't set the max_read_size, the spi-mem should
directly use data.nbytes and not limit to any size. But current
logic will limit to the max_write_size.
This commit mirrors the same changes in the dm version done in
commit 535b1fdb8e5e ("spi: spi-mem: Fix read data size issue").
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
- Fixed broken ICH SPI driver in software sequencer mode
- Added "m25p,fast-read" to SPI flash node for x86 boards
- Drop ROM_NEEDS_BLOBS and BUILD_ROM for x86 ROM builds
- Define a default TSC timer frequency for all x86 boards
- x86 MTRR MSR programming codes bug fixes
- x86 "hob" command bug fixes
- Don't program MTRR for DRAM for FSP1
- Move INIT_PHASE_END_FIRMWARE to FSP2
- Use external graphics card by default on Intel Crown Bay
- tangier: Fix DMA controller IRQ polarity in CSRT
Simon Glass [Sat, 24 Jul 2021 15:03:38 +0000 (09:03 -0600)]
lib: Allow using 0x when a decimal value is requested
U-Boot mostly uses hex for value input, largely because addresses are much
easier to understand in hex.
But in some cases a decimal value is requested, such as where the value is
small or hex does not make sense in the context. In these cases it is
sometimes useful to be able to provide a hex value in any case, if only to
resolve any ambiguity.
Add this functionality, for increased flexibility.
Simon Glass [Sat, 24 Jul 2021 15:03:35 +0000 (09:03 -0600)]
lib: Move common digit-parsing code into a function
The code to convert a character into a digit is repeated twice in this
file. Factor it out into a separate function. This also makes the code a
little easier to read.
Simon Glass [Sat, 24 Jul 2021 15:03:32 +0000 (09:03 -0600)]
lib: Drop unnecessary check for hex digit
If we see 0x then we can assume this is the start of a hex value. It
does not seem necessary to check for a hex digit after that since it will
happen when parsing the value anyway.
Drop this check to simplify the code and reduce size. Add a few more test
cases for when a 0x prefix is used.
Bin Meng [Mon, 2 Aug 2021 07:05:16 +0000 (15:05 +0800)]
x86: crownbay: Use external graphics card by default
The board routes the Integrated Graphics Device (IGD) to an LVDS
panel, which is less popular than a PCIe based graphics card.
Disable the IGD so that it does not show up in the PCI configuration
space as a VGA display controller, so we can use an external PCIe
graphics card with whatever cable we have.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Bin Meng [Mon, 2 Aug 2021 07:05:15 +0000 (15:05 +0800)]
x86: queensbay: Return directly if IGD / SDVO were already disabled
Initialize 'igd' and 'sdvo' to NULL so that we just need to test
them against NULL later, to be compatible with that case that IGD
and SDVO devices were already in disabled state.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Bin Meng [Mon, 2 Aug 2021 09:45:22 +0000 (17:45 +0800)]
x86: fsp: Only FSP2 has INIT_PHASE_END_FIRMWARE
For FSP1, there is no such INIT_PHASE_END_FIRMWARE.
Move board_final_cleanup() to fsp2 directory.
Fixes: 7c73cea44290 ("x86: Notify the FSP of the 'end firmware' event") Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Mon, 2 Aug 2021 09:45:21 +0000 (17:45 +0800)]
x86: fsp: Don't program MTRR for DRAM for FSP1
There are several outstanding issues as to why this does not apply
to FSP1:
* For FSP1, the system memory and reserved memory used by FSP are
already programmed in the MTRR by FSP.
* The 'mtrr_top' mistakenly includes TSEG memory range that has the
same RES_MEM_RESERVED resource type. Its address is programmed
and reported by FSP to be near the top of 4 GiB space, which is
not what we want for SDRAM.
* The call to mtrr_add_request() is not guaranteed to have its size
to be exactly the power of 2. This causes reserved bits of the
IA32_MTRR_PHYSMASK register to be written which generates #GP.
For FSP2, it seems this is necessary as without this, U-Boot boot
process on Chromebook Coral goes very slowly.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Sat, 31 Jul 2021 08:45:28 +0000 (16:45 +0800)]
x86: cmd: hob: Fix display of resource type for system memory
The resource type for system memory is currently displayed as
"unknown", which is wrong.
Fixes: 51af144eb7a0 ("x86: Allow showing details about a HOB entry") Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Sat, 31 Jul 2021 08:45:27 +0000 (16:45 +0800)]
x86: cmd: hob: Fix the command usage and help messages
At present the hob command usage and help messages are messed up
in a single line. They should be separated.
This was a regression introduced when [seq] and [-v] were added
to the command.
Fixes: d11544dfa9f4 ("x86: hob: Add way to show a single hob entry") Fixes: 51af144eb7a0 ("x86: Allow showing details about a HOB entry") Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Sat, 31 Jul 2021 08:45:26 +0000 (16:45 +0800)]
x86: mtrr: Abort if requested size is not power of 2
The size parameter of mtrr_add_request() and mtrr_set_next_var()
shall be power of 2, otherwise the logic creates a mask that does
not meet the requirement of IA32_MTRR_PHYSMASK register.
Programming such a mask value to IA32_MTRR_PHYSMASK generates #GP.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Sat, 31 Jul 2021 08:45:25 +0000 (16:45 +0800)]
x86: mtrr: Skip MSRs that were already programmed in mtrr_commit()
At present mtrr_commit() programs the MTRR MSRs starting from
index 0, which may overwrite MSRs that were already programmed
by previous boot stage or FSP.
Switch to call mtrr_set_next_var() instead.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Sat, 31 Jul 2021 08:45:24 +0000 (16:45 +0800)]
x86: mtrr: Do not clear the unused ones in mtrr_commit()
Current mtrr_commit() logic assumes that MTRR MSRs are programmed
consecutively from index 0 to its maximum number, and whenever it
detects an unused one, it clears all other MTRRs starting from that
one. However this may not always be the case.
In fact, the clear is not much helpful because these MTRRs come out
of reset as disabled already. Drop the clear codes.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass <sjg@chromium.org>
Bin Meng [Wed, 28 Jul 2021 04:00:23 +0000 (12:00 +0800)]
x86: dts: Define a default TSC timer frequency
If for some reason, TSC timer frequency cannot be determined from
hardware, nor is it specified in the device tree, U-Boot will panic
resulting in endless reset during boot.
Let's define a default TSC timer frequency using the Kconfig value
CONFIG_X86_TSC_TIMER_FREQ (note: #include must be used instead of
/include/ otherwise the macro is not pre-processed).
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Bin Meng [Wed, 28 Jul 2021 04:00:22 +0000 (12:00 +0800)]
x86: tsc: Rename X86_TSC_TIMER_EARLY_FREQ to X86_TSC_TIMER_FREQ
Currently there are two places to specify the x86 TSC timer frequency
with one in Kconfig used for early timer and the other one in device
tree used when the frequency cannot be determined from hardware.
This may potentially create an inconsistent config where the 2 values
do not match. Let's use the one specified in Kconfig in the device
tree as well.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Andy Shevchenko [Fri, 30 Jul 2021 20:15:44 +0000 (23:15 +0300)]
x86: tangier: Fix DMA controller IRQ polarity in CSRT
IRQ polarity in CSRT has the same definition as by ACPI specification
chapter 19.6.64 "Interrupt (Interrupt Resource Descriptor Macro)", i.e.
ActiveHigh is 0, and ActiveLow is 1. On Intel Tangier the DMA controller
IRQ polarity is ActiveHigh.
Note, in DSDT (see southcluster.asl) it's described correctly.
Fixes: 5e99fde34a77 ("x86: tangier: Populate CSRT for shared DMA controller") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Bin Meng [Wed, 28 Jul 2021 10:28:56 +0000 (18:28 +0800)]
spi: ich: Limit slave->max_read_size
Since commit 43c145b8b3ee ("spi: ich: Correct max-size bug in ich_spi_adjust_size()")
(in v2020.04-rc1), SPI flash read no longer works with ICH SPI controller
in software sequencer mode.
ICH controller can only transfer a small number of bytes at once.
Before commit 43c145b8b3ee, the logic happens to make sure data.nbytes
is limited to slave->max_write_size but after commit 43c145b8b3ee
data.nbytes is no longer limited because slave->max_read_size is not
initialized with a valid number.
Fixes: 43c145b8b3ee ("spi: ich: Correct max-size bug in ich_spi_adjust_size()") Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Tom Rini [Sun, 1 Aug 2021 18:41:22 +0000 (14:41 -0400)]
Merge tag 'dm-pull-1aug21' of https://source.denx.de/u-boot/custodians/u-boot-dm
sandbox TPM-emulator improvements
rST documentation and fixes for moveconfig
handle empty 'ranges' property in dtoc
patman warning for invalid tag
clean-ups to 'fdt add' command
Simon Glass [Thu, 29 Jul 2021 01:23:10 +0000 (19:23 -0600)]
dtoc: Fix widening an int array to an int
An int array can hold a single int so we should not need to do anything
in the widening operation. However due to a quirk in the code, an int[3]
widened with an int produced an int[4]. Fix this and add a test.
Fix a comment typo while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org> Reported-by: Tom Rini <trini@konsulko.com>
Simon Glass [Thu, 29 Jul 2021 01:23:09 +0000 (19:23 -0600)]
dtoc: Rename is_wider_than() to reduce confusion
The current name is confusing because the logic is actually backwards from
what you might expect. Rename it to needs_widening() and update the
comments.
Simon Glass [Sat, 24 Jul 2021 21:14:39 +0000 (15:14 -0600)]
sandbox: Reduce keyed autoboot delay
The autoboot tests are a recent addition to U-Boot, providing much-needed
coverage in this area.
A side effect of the keyed autoboot test is that this feature is enabled
in sandbox always. This changes the autoboot prompt and confuses the
pytests. Some tests become slower, for example the vboot tests take about
27s now instead of 3s.
We don't actually need this feature enabled to be able to run the tests.
Add a switch to allow sandbox to turn it on and off as needed. Use this
in the one test that needs it.
Add a command-line flag in case this is desired in normal use.
Signed-off-by: Simon Glass <sjg@chromium.org> Fixes: 25c8b9f298e ("test: add first autoboot unit tests") Reviewed-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
Simon Glass [Thu, 22 Jul 2021 03:35:50 +0000 (21:35 -0600)]
doc: Move coccinelle into its own section
This tool has nothing to do with testing. It is for refactoring code
automatically using a 'semantic patch' tool.
Create a new section for 'refactoring' and move it into there. It is
likely that other topics may fall under the same heading, such as
using moveconfig and search/replace tools.
Simon Glass [Wed, 21 Jul 2021 20:55:26 +0000 (14:55 -0600)]
fdt: Show the type of devicetree with fdt addr
It seems useful to show whether the address of the Control or Working
devicetree is being shown. Add support for this. Drop the confusing 0x
prefix since the command itself only accepts hex.
Simon Glass [Sun, 18 Jul 2021 20:18:05 +0000 (14:18 -0600)]
sandbox: tpm: Correct handling of SANDBOX_TPM_PCR_NB
This is the number of PCRs, so the current check is off by one. Also the
map itself should not be checked, just the resulting pcr_index, to avoid
confusing people who read the code.
Simon Glass [Sun, 18 Jul 2021 20:18:04 +0000 (14:18 -0600)]
sandbox: tpm: Support storing device state in tpm2
At present the tpm2 emulator does not support storing the device state.
Add this so we can handle the normal vboot flow through the sandbox
executables (VPL->SPL etc.) with the TPM contents staying in place.
Note: sandbox has not yet been converted to use livetree for the state
information, since livetree does not yet support writing to the tree.
Simon Glass [Sun, 18 Jul 2021 20:17:59 +0000 (14:17 -0600)]
sandbox: tpm: Support the define-space command
Add support for this command, moving away from the previous approach of
hard-coding the initial data in the driver, now that the kernel-space data
has to be set up by the higher-level vboot code.
Simon Glass [Sun, 18 Jul 2021 20:17:58 +0000 (14:17 -0600)]
sandbox: tpm: Tidy up reading and writing of device state
At present this code assumes that the TPM data has been read but this may
not be the case. Refactor the code to use a separate pointer so we know
the current state of the data.
When scrolling the TrueType console a buffer overrun occurs.
Fixes: a29b012037cc ("video: Add a console driver that uses TrueType fonts") Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
- Move the PSCI runtime code for H3/A23/A33 into SRAM
- Pick the environment from the actual MMC boot device (SD card vs.
eMMC)
- Plus a small improvement from Icenowy, just for good measure.
Samuel Holland [Mon, 19 Apr 2021 03:21:41 +0000 (22:21 -0500)]
sunxi: A23/A33/H3: Move sun8i secure monitor to SRAM A2
So far for the H3, A23, and A33 SoCs, we use DRAM to hold the secure
monitor code (providing PSCI runtime services). And while those SoCs do
not have the secure SRAM B like older SoCs, there is enough (secure)
SRAM A2 to put the monitor code and data in there instead.
Follow the design of 64-bit SoCs and use the first part for the monitor,
and the last 16 KiB for the SCP firmware. With this change, the monitor
no longer needs to reserve a region in DRAM.
Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com>
[Andre: amend commit message, fix R40 and V3s build] Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Samuel Holland [Mon, 19 Apr 2021 03:16:21 +0000 (22:16 -0500)]
sunxi: Select environment MMC based on boot device
Currently, the environment is always stored in eMMC if eMMC is enabled
in the config. This means images written to SD and eMMC will cross-
contaminate their environments unless the configuration is changed.
By dropping the device number from the environment location string and
implementing mmc_get_env_dev, we will always use the environment from
the boot device when booting from SD/eMMC.
Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
serial: a37xx: Do not call get_ref_clk() in _debug_uart_init()
Static inline function _debug_uart_init() should avoid calling external
(non-inline) functions. Therefore do not call get_ref_clk() in
_debug_uart_init() and reimplement its functionality without external
function calls.
Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Stefan Roese <sr@denx.de>
Tony Dinh [Mon, 26 Jul 2021 06:01:19 +0000 (23:01 -0700)]
arm: kirkwood: Dreamplug: Use Ethernet PHY name and address from device tree
In DM Ethernet, the old "egiga0" and 'egiga1" names are no longer valid,
so replace these with Ethernet PHY names from device tree. Also, read
Ethernet PHY address for each port from device tree.
Signed-off-by: Tony Dinh <mibodhi@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de>
The PWM pins on North Bridge on Armada 37xx can be configured into PWM
or GPIO functions. When in PWM function, each pin can also be configured
to drive low on 0 and tri-state on 1 (LED mode).
The current definitions handle this by declaring two pin groups for each
pin:
- group "pwmN" with functions "pwm" and "gpio"
- group "ledN_od" ("od" for open drain) with functions "led" and "gpio"
This is semantically incorrect. The correct definition for each pin
should be one group with three functions: "pwm", "led" and "gpio".
Change the "pwmN" groups to support "led" function.
Remove "ledN_od" groups. This cannot break backwards compatibility with
older device trees: no device tree uses it since there is no PWM driver
for this SOC yet. Also "ledN_od" groups are not even documented.
Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Stefan Roese <sr@denx.de>
projects / u-boot.git / log