Commit graph

116 commits

Author SHA1 Message Date
Tom Rini
c2bb9c5b9e STM32 MCUs update:
_ DT rework and alignment with DT kernel v4.20
 _ mmc: arm_pl180_mmci: Synchronize compatible with kernel v4.20
 _ mmc: stm32_sdmmc2: Synchronize properties with kernel v4.20
 _ configs: update for F746/769 boards
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Merge tag 'u-boot-stm32-mcu-20190423' of https://github.com/pchotard/u-boot

STM32 MCUs update:
- DT rework and alignment with DT kernel v4.20
- mmc: arm_pl180_mmci: Synchronize compatible with kernel v4.20
- mmc: stm32_sdmmc2: Synchronize properties with kernel v4.20
- configs: update for F746/769 boards
2019-04-24 12:26:39 -04:00
Patrice Chotard
77594d7fbf board: stm32f746-disco: Get MII/RMII phy_mode from DT
This is needed to make ethernet work on stm32f746-eval which
uses MII mode.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2019-04-23 15:31:48 +02:00
Patrick Delaunay
6fe7dd3327 stm32mp1: add stusb1600 support for DK1 and DK2 board
The DK1 and DK2 boards use the USB Type-C controller STUSB1600.
This patch updates:
- the device tree to add the I2C node in the DT
- the board stm32mp1 to probe this I2C device and use this controller
  to check cable detection.
- the DWC2 driver to support a new dt property
  "u-boot,force-b-session-valid" which forces B session and
  device mode; it is a workaround because the VBUS sensing and
  ID detection isn't available with stusb1600.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2019-04-21 10:26:52 +02:00
Patrick Delaunay
c31000c534 stm32mp1: migrate USBOTG device to driver model
Use the DWC2 device driver with DM_USB_GADGET support and
cleanup the USB support in STM32MP1 board.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-21 10:26:52 +02:00
Patrice Chotard
8b4afe8070 board: stm32mp1: Force pinctrl driver probe in board_init()
In order to insure that hog GPIOs are configured early during
the boot process, force all pinctrl driver probing in board_init().

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-04-12 16:09:13 +02:00
Patrice Chotard
395f12976c Board: stm32mp1: Add supply current boot information
For DK1/DK2 boards, check if power supply provides enough current
to allow the board to boot correctly.
ADC@0 channel 18 and 19 are connected to USB type-C CC1 and CC2
signals. The table below shows the behavior for different range of
CC1 or CC2:

  range       | power supply | red led |          console message
  (Volts)     |   (Amps)     | blinks  |
--------------|--------------|---------|-----------------------------------
[2.10 - 1.23[ |     3        |   NO    |    NO
[1.23 - 0.66[ |     1.5      | 3 times | WARNING 1.5A power supply detected
[0.66 - 0]    |     0.5      | 2 times | WARNING 500mA power supply detected

If detected current is < 3A, red led is kept ON after blinking.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-04-12 16:09:13 +02:00
Patrice Chotard
3911048457 board: stm32mp1: Update README file
Update README with DK1 and DK2 boards related informations

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
db4ff0df65 stpmic1: update register names
Alignment with  STPMIC1 datasheet
  s/MAIN_CONTROL_REG/MAIN_CR/g
  s/MASK_RESET_BUCK/BUCKS_MRST_CR/g
  s/MASK_RESET_LDOS/LDOS_MRST_CR/g
  s/BUCKX_CTRL_REG/BUCKX_MAIN_CR/g
  s/VREF_CTRL_REG/REFDDR_MAIN_CR/g
  s/LDOX_CTRL_REG/LDOX_MAIN_CR/g
  s/USB_CTRL_REG/BST_SW_CR/g
  s/STPMIC1_NVM_USER_STATUS_REG/STPMIC1_NVM_SR/g
  s/STPMIC1_NVM_USER_CONTROL_REG/STPMIC1_NVM_CR/g
and update all the associated defines.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
42f01aacfd power: rename stpmu1 to official name stpmic1
Alignment with kernel driver name & binding
introduced by https://patchwork.kernel.org/cover/10761943/
to use the final marketing name = STPMIC1.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
d46c22b3fd power: stpmu1: rename files to stpmic1
Prepare file modification for kernel alignment and
rename driver to stpmic1.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
45459747ca stm32mp1: add syscfg initialization
Initialize the system configuration for basic boot
- update interconnect setting
- disable pull-down for boot pin
- enable High Speed Low Voltage Pad mode for SPI, SDMMC, ETH, QSPI
- activate I/O compensation

Done by SSBL = TF-A for trusted boot

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
9a2ba2838b stm32mp1: support forced boot mode
The boot mode can be forced by key press
or by TAMP register, requested in kernel by syscon-reboot-mode

tamp: tamp@5c00a000 {
	compatible = "simple-bus", "syscon", "simple-mfd";
	reg = <0x5c00a000 0x400>;

	reboot-mode {
		compatible = "syscon-reboot-mode";
		offset = <0x150>; /* reg20 */
		mask = <0xff>;
		mode-normal = <0>;
		mode-fastboot = <0x1>;
		mode-recovery = <0x2>;
		mode-stm32cubeprogrammer = <0x3>;
		mode-ums_mmc0 = <0x10>;
		mode-ums_mmc1 = <0x11>;
		mode-ums_mmc2 = <0x12>;
	};
};

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
842ebb5f40 stm32mp1: update bootcmd
Clearly separate bootcmd for stm32mp1 board
(bootcmd_stm32mp) and preboot management.
That solve issue for fastboot continue command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
b4ae34b66b stm32mp1: add runtime information in environment
Set board name with the first dts compatible found in DT
code under CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG

The result with DEVICE_TREE=stm32mp157c-ev1 is:
    STM32MP> env print
    	board=stm32mp1
    	board_name=stm32mp157c-ev1

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
d461f10036 stm32mp1: display board information
Implement checkboard() function to display
- the boot chain used: basic or trusted
- the board compatible in device tree
- the board identifier and revision, saved in OTP59 for ST boards

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
abf2678f0f stm32mp1: add trusted boot with TF-A
Add support of trusted boot, using TF-A as first stage bootloader,
The boot sequence is
  BootRom >=> TF-A.stm32 (clock & DDR) >=> U-Boot.stm32

The TF-A monitor provides secure monitor with support of SMC
- proprietary to manage secure devices (BSEC for example)
- PSCI for power

The same device tree is used for STMicroelectronics boards with
basic boot and with trusted boot.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
84ee59a5fd MAINTAINERS: Update stm32mp entry
Add mailing list for stm32mp architecture and board.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-11-09 10:44:50 -05:00
Patrice Chotard
4c834b965a board: st: stm32mp1: Add usb gadget support
Enable USB gadget support using DWC2 driver
Populate board_usb_init() to initialize clocks,
phy, reset and data needed for DWC2 IP.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-09-25 21:48:43 -04:00
Patrice Chotard
8ff21d6d9c stm32f7: board: Fix memory init
Commit 1473b12ad0 ("lib: fdtdec: Update ram_base to store ram start
adddress") brings regression on STM32F7 which can't boot.

Use fdtdec_setup_mem_size_base() to setup memory base and size.
Use fdtdec_setup_memory_banksize() to setup memory bank base and size.

Reported-by: Mark Olsson <mark@markolsson.se>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Cc: Mark Olsson <mark@markolsson.se>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2018-08-13 14:03:57 -04:00
Patrice Chotard
725e09b823 board: stm32: use bi_dram[0].start instead of hardcoded value
Use gd->bd->bi_dram[0].start initialized from DT instead of using
hardcoded CONFIG_SYS_SDRAM_BASE from config file.

Remove unused CONFIG_SYS_RAM_BASE and CONFIG_SYS_SDRAM_BASE defines.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-08-13 14:03:57 -04:00
Patrick Delaunay
1f5118b4d3 stm32mp1: use new function led default state
Initialize the led with the default state defined in device tree.

Reviewed-by: Simon Glass <sjg@chromium.org>

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-08-10 10:27:32 -04:00
Patrick Delaunay
5f16f655cc stm32mp1: add support for stm32mp157c-ev1 board
Add support of stm32mp157c-ev1, the evaluation board with pmic stpmu1
(ev1 = mother board + daughter ed1) with device tree.
EV1 is the selected board by default in basic defconfig.

PS: CONFIG_PINCTRL_FULL activation avoid to increase
    SYS_MALLOC_F_LEN (Early malloc usage: 2034)

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-07-20 15:55:05 -04:00
Siva Durga Prasad Paladugu
12308b128f lib: fdtdec: Rename routine fdtdec_setup_memory_size()
This patch renames the routine fdtdec_setup_memory_size()
to fdtdec_setup_mem_size_base() as it now fills the
mem base as well along with size.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2018-07-19 10:49:56 +02:00
Patrick Delaunay
320d266368 stm32mp1: Allow to activate CONFIG_DEBUG_UART
Add the needed information to enable the debug uart
to have printf before the serial driver probe
(so before probe for clock, pincontrol and reset drivers)

To enable the debug on uart 4 (default console):
+ CONFIG_DEBUG_UART=y
+ CONFIG_DEBUG_UART_STM32=y

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-05-26 18:19:18 -04:00
Tom Rini
4549e789c1 SPDX: Convert all of our multiple license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have multiple licenses (in
these cases, dual license) declared in the SPDX-License-Identifier tag.
In this case we change from listing "LICENSE-A LICENSE-B" or "LICENSE-A
or LICENSE-B" or "(LICENSE-A OR LICENSE-B)" to "LICENSE-A OR LICENSE-B"
as per the Linux Kernel style document.  Note that parenthesis are
allowed so when they were used before we continue to use them.

Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 10:24:31 -04:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Patrick Delaunay
0ed232b153 stm32mp1: add eMMC support for ED1
Add command GPT support
Add EMMC boot support
Add the 2 other SDMMC instances for ED1:
- SDMMC2 = mmc 1, eMMC on the ED1 board
- SDMMC3 = extension connector, deactivated by default

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-04-06 20:45:28 -04:00
Patrick Delaunay
f8598d9815 board: st: add generic board for STM32MP1 family
Add first support for STM32MP157C-ED1 board with "Basic" boot chain
1/ Boot Rom: load SPL with STM32 image header in SYSRAM
2/ SPL: power up and initialize the DDR and load U-Boot image
        from SDCARD in DDR
3/ U-Boot: search and load extlinux.conf in SDCARD
           (DISTRO activated)

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-03-19 16:14:22 -04:00
yannick fertre
92eac5848f stm32f7: board: add splash screen
Support several pixel format (8bits, 16bits, 24bits & 32bits).
Add new file st_logo_data.h which contains logo
stmicroelectronics_uboot_logo_8bit_rle.bmp.

Signed-off-by: yannick fertre <yannick.fertre@st.com>
2018-03-19 11:01:04 +01:00
Patrice Chotard
1b76a7333a arch-stm32: Remove stm32_periph.h
Remove arch/arm/include/asm/arch-stm32fx/stm32_periph.h
as all defines or enums are no more used.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-03-13 21:45:37 -04:00
Patrice Chotard
aa5e3e22f4 board: stm32: switch to DM STM32 timer
Use available DM stm32_timer driver instead of dedicated
mach-stm32/stm32fx/timer.c.

Remove all defines or files previously used for timer usage in
arch/arm/include/asm/arch-stm32fx and in arch/arm/mach-stm32/stm32fx

Enable DM STM32_TIMER for STM32F4/F7 and H7.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-03-13 21:45:37 -04:00
Patrice Chotard
20fe38e75a clk: clk_stm32f: Move SYSCFG clock setup into configure_clocks()
Move SYSCFG clock setup into configure_clocks() instead of calling
clock_setup() from board file.

As this clock is only needed in case of ethernet enabled and as
both stm32f4 and stm32f7 are using the Designware ethernet IP,
we use CONFIG_ETH_DESIGNWARE to only enable this clock if needed.

Move the RMII setup from board_early_init_f() to board_init()
to insure that RMII bit is set only when clock driver is initialized.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-28 09:39:15 -05:00
Patrice Chotard
68a69ed2a4 clk: clk_stm32f: Remove STMMAC clock setup
Thanks to 'commit ba1f966725 ("net: designware: add clock support")'
we don't need anymore to setup the STMMAC clock in board.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2018-01-28 09:39:15 -05:00
Patrice Chotard
e23b19f4a8 board: stm32: Add stm32f429-evaluation board support
Add stm32f429-evaluation board support.
For more information, please visit:
http://www.st.com/en/evaluation-tools/stm32429i-eval.html

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-28 09:39:05 -05:00
Patrice Chotard
c0cdd5adc8 board: stm32: add stm32f469-discovery board support
This board offers :

 _ STM32F469NIH6 microcontroller featuring 2 Mbytes of Flash memory
   and 324 Kbytes of RAM in BGA216 package
 _ On-board ST-LINK/V2-1 SWD debugger, supporting USB reenumeration capability:
     _ Mbed-enabled (mbed.org)
     _ USB functions: USB virtual COM port, mass storage, debug port
 _ 4 inches 800x480 pixel TFT color LCD with MIPI DSI interface and capacitive
   touch screen
 _ SAI Audio DAC, with a stereo headphone output jack
 _ 3 MEMS microphones
 _ MicroSD card connector
 _ I2C extension connector
 _ 4Mx32bit SDRAM
 _ 128-Mbit Quad-SPI NOR Flash
 _ Reset and wake-up buttons
 _ 4 color user LEDs
 _ USB OTG FS with Micro-AB connector
 _ Three power supply options:
 _ Expansion connectors and Arduino™ UNO V3 connectors

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:47 -05:00
Patrice Chotard
c8f787760e board: stm32f429-disco: switch to DM STM32 pinctrl and gpio driver
Use available DM stm32f7_gpio.c and pinctrl_stm32.c drivers
instead of board GPIO initialization.

Remove stm32_gpio.c which is no more used and migrate
structs stm32_gpio_regs and stm32_gpio_priv into
arch-stm32f4/gpio.h to not break compilation.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:46 -05:00
Patrice Chotard
4a56fd484a board: stm32f429-disco: switch to DM STM32 clock driver
Use available DM clk_stm32f.c driver instead of dedicated
mach-stm32/stm32f4/clock.c.

Migrate periph_clock defines from stm32_periph.h directly in
CLK driver. These periph_clock defines will be removed when STMMAC,
TIMER2 and SYSCFG drivers will support DM CLK.

Enable also CLK flag.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:46 -05:00
Patrice Chotard
2d18d72858 board: stm32f429-disco: switch to DM STM32 serial driver
Remove serial_stm32.c driver and uart init from board file,
use available DM serial_stm32x7.c driver compatible for
STM32F4/F7 and H7 SoCs.

The serial_stm32x7.c driver will be renamed later with a more
generic name as it's shared with all STM32 Socs.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:46 -05:00
Patrice Chotard
7fd65ef552 board: stm32f429-discovery: switch to DM STM32 sdram driver
Use available DM stm32_sdram.c driver instead of board
SDRAM initialization.
For that, enable OF_CONTROL, OF_EMBED and STM32_SDRAM flags.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:45 -05:00
Patrice Chotard
c729fb258a mach-stm32: Factorize MPU's region config for STM32 SoCs
MPU's region setup can be factorized between STM32F4/F7/H7 SoCs family
and used a common MPU's region config.

Only one exception for STM32H7 which doesn't have device area
located at 0xA000 0000.

For STM32F4, configure_clocks() need to be moved from arch_cpu_init()
to board_early_init_f().

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2017-11-29 22:30:50 -05:00
Patrice Chotard
014a953c4a stm32: migrate clock structs in include/stm32_rcc.h
In order to factorize code between STM32F4 and STM32F7
migrate all structs related to RCC clocks in include/stm32_rcc.h

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2017-11-29 22:30:50 -05:00
Patrice Chotard
1537d38619 stv0991: fix STMicroelectronics copyright
Uniformize STMicroelectronics copyrights headers for STV0991
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-11-06 09:51:01 -05:00
Patrice Chotard
3bc599c956 stm32: fix STMicroelectronics copyright
Uniformize STMicroelectronics copyrights headers for STM32
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-11-06 09:51:01 -05:00
Patrice Chotard
fb48bc448c sti: fix STMicroelectronics copyright
Uniformize all STMicroelectronics copyrights headers for STi
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-11-06 09:51:01 -05:00
Patrice Chotard
246771b184 board: Add stm32h7 SoC, discovery and evaluation boards support
This patch adds support for stm32h7 soc family, stm32h743
discovery and evaluation boards.

For more information about STM32H7 series, please visit:
http://www.st.com/en/microcontrollers/stm32h7-series.html

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-09-22 07:40:03 -04:00
Patrice Chotard
4e6eeeac12 board: STiH410-B2260: add fastboot support
Add usb_gadget_handle_interrupts(), board_usb_init(),
board_usb_cleanup() and g_dnl_board_usb_cable_connected()
callbacks needed for FASTBOOT support

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-09-22 07:40:00 -04:00
Simon Glass
00caae6d47 env: Rename getenv/_f() to env_get()
We are now using an env_ prefix for environment functions. Rename these
two functions for consistency. Also add function comments in common.h.

Quite a few places use getenv() in a condition context, provoking a
warning from checkpatch. These are fixed up in this patch also.

Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-08-16 08:30:24 -04:00
Simon Glass
382bee57f1 env: Rename setenv() to env_set()
We are now using an env_ prefix for environment functions. Rename setenv()
for consistency. Also add function comments in common.h.

Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-08-16 08:22:18 -04:00
Patrice Chotard
9242ece12b ram: stm32: migrate fmc defines in driver file
Migrate all FMC defines from arch/arm/include/asm/arch-stm32f7/fmc.h
to drivers/ram/stm32_sdram.c

This will avoid to add an additionnal arch-stm32xx/fmc.h file when
a new stm32 family soc will be introduced.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-07-26 11:29:07 -04:00
Patrice Chotard
122b2d4763 serial: stm32x7: migrate serial struct to driver
This allow to remove include/dm/platform_data/serial_stm32x7.h
which was included in the past by stm32x7 driver and by
stm32f746-disco.c board file.
Since patch 42bf5e7c27 "serial: stm32f7: add device tree support"
this file is no more needed in board file.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Vikas MANOCHA <vikas.manocha@st.com>
2017-07-26 11:26:54 -04:00