Commit graph

855 commits

Author SHA1 Message Date
Giulio Benetti
f544dfecd2 clk: imx: clk-imxrt1050: introduce LCDIF_PIX and rename LCDIF to LCDIF_APB
Lcd peripheral needs 2 different gates to be enable to work, so let's
introduce the missing one(LCDIF_PIX) and rename the existing one
(LCDIF_APB).

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
2021-06-09 13:01:33 +02:00
Green Wan
d56d79ed27 drivers: clk: add fu740 support
Add fu740 support. One abstract layer is added for supporting
multiple chips such as fu540 and fu740.

Signed-off-by: Green Wan <green.wan@sifive.com>
2021-05-31 16:35:54 +08:00
Marek Behún
236f2ec432 treewide: Convert macro and uses of __section(foo) to __section("foo")
This commit does the same thing as Linux commit 33def8498fdd.

Use a more generic form for __section that requires quotes to avoid
complications with clang and gcc differences.

Remove the quote operator # from compiler_attributes.h __section macro.

Convert all unquoted __section(foo) uses to quoted __section("foo").
Also convert __attribute__((section("foo"))) uses to __section("foo")
even if the __attribute__ has multiple list entry forms.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-05-24 14:21:30 -04:00
Marek Vasut
e7690e6195 clk: renesas: Deduplicate gen3_clk_get_rate64() PLL handling
Most of the PLLx, MAIN, FIXED clock handlers are calling very similar
code, which determines parent rate and then applies multiplication and
division. The only difference is whether multiplication is fixed factor
or coming from CRx register. Deduplicate the code into a single function.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Hai Pham
d413214fb7 clk: renesas: Add register pointers into struct cpg_mssr_info
Base on Linux v5.10-rc2, commit 8b652aa8a1fb by Yoshihiro Shimoda
To support other register layouts in the future, add register pointers
of {control,status,reset,reset_clear}_regs into struct cpg_mssr_info

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Hai Pham
406c93c85c clk: renesas: Introduce enum clk_reg_layout
From Linux v5.10-rc2, commit ffbf9cf3f946 by Yoshihiro Shimoda
Introduce enum clk_reg_layout to support multiple register layout variants

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Hai Pham
f7f8d47317 clk: renesas: Pass struct cpg_mssr_info to renesas_clk_endisable()
CPG IP in some specific Renesas SoCs (i.e. new R8A779A0 V3U SoC)
requires a different setting procedure. Make struct cpg_mssr_info
accessible to handle the clock setting in that case.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Marek Vasut
e935409199 clk: renesas: Make reset controller modemr register offset configurable
The MODEMR register offset changed on R8A779A0, make the MODEMR offset
configurable. Fill the offset in on all clock drivers. No functional
change.

Based off "clk: renesas: Make CPG Reset MODEMR offset accessible from
struct cpg_mssr_info" by Hai Pham <hai.pham.ud@renesas.com>

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Hai Pham
12dd238a64 clk: renesas: Add support for RPCD2 clock
This supports RPCD2 clock handling. While at it, add the check point
for RPC-IF clock RPCD2 Frequency Division Ratio, since it must be odd
number

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Hai Pham
1b004e2874 clk: renesas: Fix Realtime Module Stop Control Register offsets
This patch fixes Realtime Module Stop Control Register (RMSTPCR) offsets
based on R-Car Gen3, H2/M2/M2N/E2/E2X hardware user's manual.
The r8a73a4 only has RMSTPCR0 - RMSTPCR5 so this calculation change
doesn't affect it.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:17 +02:00
Hai Pham
efece632e7 clk: renesas: Fix incorrect return RPC clk_get_rate
RPC clk_get_rate will return error code instead of expected clock rate.
Fix this.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:16 +02:00
Marek Vasut
ccc2c9aab1 clk: renesas: Reinstate RPC clock on R-Car D3/E3
Reinstate RPC clock on D3/E3 after Linux 5.12 synchronization.
The D3 and E3 clock drivers do not contain RPC clock entries
mainline Linux yet.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:16 +02:00
Marek Vasut
f7b4e4c094 clk: renesas: Synchronize R-Car Gen3 tables with Linux 5.12
Synchronize R-Car Gen3 clock tables with Linux 5.12,
commit 9f4ad9e425a1 ("Linux 5.12") .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:16 +02:00
Marek Vasut
8152c189bd clk: renesas: Synchronize R-Car Gen2 tables with Linux 5.12
Synchronize R-Car Gen2 clock tables with Linux 5.12,
commit 9f4ad9e425a1 ("Linux 5.12") .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:16 +02:00
Marek Vasut
f07c9ecb36 clk: renesas: Synchronize RZ/G2 tables with Linux 5.12
Synchronize RZ/G2 clock tables with Linux 5.12,
commit 9f4ad9e425a1 ("Linux 5.12") .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2021-05-21 15:00:16 +02:00
Sean Anderson
09ad08fa1a clk: Add support for the k210 clock driver pre-relocation
Variables which had previously been stored in .bss are moved to .data. In
addition, probed needs to be reset when the clock driver is re-bound
post-relocation.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2021-05-14 16:20:48 +08:00
Sean Anderson
800c7f6a1f clk: k210: Move the clint clock to under aclk
No other (real) clocks have the cpu clock as their parent; instead they are
children of aclk. Move the clint clock under aclk to match them.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2021-05-14 16:20:48 +08:00
Sean Anderson
f93ce98eb2 clk: k210: Remove k210_register_pll
This simplifies the PLL creation process, since we don't have to pass all
the parameters individually.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2021-05-14 16:20:48 +08:00
Sean Anderson
598a06dcb4 clk: k210: Fix PLL enable always getting taken
This conditional always evaluated as false, regardless of the value of reg.
Fix it so that it properly tests the bits in the PLL register. Also test
PLL_EN, now that we set it.

Reported-by: Damien Le Moal <Damien.LeMoal@wdc.com>
Signed-off-by: Sean Anderson <seanga2@gmail.com>
2021-05-14 16:20:47 +08:00
Sean Anderson
d0686a02b9 clk: k210: Fix PLLs not being enabled
After starting or setting the rate of a PLL, the enable bit must be set.

This fixes a bug where the AI ram would not be accessible, because it
requires PLL1 to be running.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
2021-05-14 16:20:47 +08:00
Sean Anderson
8c12cb3fd8 clk: Warn on failure to assign rate
If the user/dev explicitly requests a clock be assigned a certain rate,
then we should warn them if we can't do it. This makes it clear if the
clock is running at the default rate.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
2021-05-14 16:20:47 +08:00
Dario Binacchi
5a6caf916c clk: ti: am3-dpll: use custom API for memory access
Using the custom TI functions required not only replacing common memory
access functions but also rewriting the routines used to set bypass and
lock states. As for readl() and writel(), they also required the address
of the register to be accessed, a parameter that is hidden by the TI clk
module.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
2021-05-12 16:27:57 +05:30
Dario Binacchi
b178e1f77b clk: ti: gate: use custom API for memory access
Replaces the common memory access functions used by the driver with the
ones exported from the TI clk module.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
2021-05-12 16:27:57 +05:30
Dario Binacchi
2dd2f3ea6d clk: ti: change clk_ti_latch() signature
The clock access functions exported by the clk header use the
struct clk_ti_reg parameter to get the address of the register. This
must also apply to clk_ti_latch(). Changes to TI's clk-mux and
clk-divider drivers prevented the patch from generating compile errors.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
2021-05-12 16:27:57 +05:30
Dario Binacchi
b1aef0384f clk: ti: add custom API for memory access
As pointed by [1] and [2], commit
d64b9cdcd4 ("fdt: translate address if #size-cells = <0>") is wrong:
- It makes every 'reg' DT property translatable. It changes the address
  translation so that for an I2C 'reg' address you'll get back as reg
  the I2C controller address + reg value.
- The quirk must be fixed with platform code.

The clk_ti_get_reg_addr() is the platform code able to make the correct
address translation for the AM33xx clocks registers. Its implementation
was inspired by the Linux Kernel code.

[1] https://patchwork.ozlabs.org/project/uboot/patch/1614324949-61314-1-git-send-email-bmeng.cn@gmail.com/
[2] https://lore.kernel.org/linux-clk/20210402192054.7934-1-dariobin@libero.it/T/

Signed-off-by: Dario Binacchi <dariobin@libero.it>
2021-05-12 16:27:57 +05:30
Tom Rini
f3a0d2c1af Xilinx changes for v2021.07-rc2
xilinx:
 - Enable saving variables based on bootmode
 - Cleanup usb dfu setup and wire it up with usb bootmode
 - Fix bootscript address logic
 - Remove GD references (spi, Versal)
 - Enable capsule update
 
 clk:
 - Small Kconfig fix
 
 net:
 - Fix gmii2rgmii bridge binding
 
 usb:
 - Propagate error (dfu gadget)
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Merge tag 'xilinx-for-v2021.07-rc2' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.07-rc2

xilinx:
- Enable saving variables based on bootmode
- Cleanup usb dfu setup and wire it up with usb bootmode
- Fix bootscript address logic
- Remove GD references (spi, Versal)
- Enable capsule update

clk:
- Small Kconfig fix

net:
- Fix gmii2rgmii bridge binding

usb:
- Propagate error (dfu gadget)
2021-04-29 11:31:06 -04:00
Marek Vasut
131daca152 clk: renesas: Synchronize Gen2 MSTP teardown tables
Synchronize Gen2 MSTP teardown tables with datasheet Rev.2.00
Feb 01, 2016. This corrects the following bits:
  - added H2 MSTP3[10] SCIF2
  - added H2/M2/E2 MSTP7[29] TCON
  - removed E2 MSTP5[22] Thermal Sensor
  - removed E2 MSTP10[31,24:22] SRC0, SRC7:9

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
2021-04-25 23:14:18 +02:00
Marek Vasut
3934b41bb4 clk: renesas: Only ever access documented bits in clock driver teardown
The clock driver used a heavy-handed approach where it turned off
all available clocks, while also possibly setting bits which are not
documented in the R-Car datasheet. Update the tables so that only
the bits which are documented are set or cleared when tearing down
the clock driver.

Note that the only clock left running before booting Linux are now
MFIC, INTC-AP, INTC-EX and SCIF2 / SCIF0 on V3x.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
2021-04-25 23:14:18 +02:00
Michal Simek
cd9aafc0ea clk: Fix typo in Zynq Kconfig symbol description
Trivial typo fix.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-04-23 08:48:30 +02:00
Neil Armstrong
3034a1eda3 clk: meson-g12a: add PCIe gates
Add missing gates used for PCIe.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2021-04-19 16:59:33 +02:00
Samuel Holland
fa7eabf650 clk: sunxi: h6: Add XHCI clocks
The XHCI controller has its own clock and reset. Add them.

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>
2021-04-16 01:12:59 +01:00
Samuel Holland
9078b67f3c clk: sunxi: Add a dummy clock driver for the RTC
The 32kHz clock ("LOSC") on sunxi SoCs is provided by the RTC. It is
used, among other things, by the XHCI controller in the H6. To be able
to call clk_get_bulk() on the XHCI controller, some device needs to
provide all referenced clocks.

Since LOSC is a fixed-rate always-on clock, implementation is trivial.

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>
2021-04-16 01:12:59 +01:00
Bin Meng
53a97d22f1 clk: mpfs_clk: Enable DM_FLAG_PRE_RELOC flag
This driver is needed in the pre-relocation phase as the serial
driver depends on it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Padmarao Begari <padmarao.begari@microchip.com>
Tested-by: Padmarao Begari <padmarao.begari@microchip.com>
2021-04-08 15:37:30 +08:00
Simon Glass
3bc11b983d clk: Return -ENOSYS when system call is not available
Update clk_composite_set_parent() to use -ENOSYS, which is the correct
error code for U-Boot. Also rearrange the code so that the error condition
is clearly indicated and the function runs to the end in the normal case,
since this is the common style in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
2021-04-06 16:33:19 +12:00
Simon Glass
9042bf6fe4 clk: Update drivers to use -EINVAL
At present some drivers use -ENOSUPP to indicate that an unknown or
unsupported clock is used. Most use -EINVAL, indicating an invalid value,
so convert everything to that.

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

Acked-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-04-06 16:33:19 +12:00
Tom Rini
db8b46120a Xilinx changes for v2021.07
net:
 - Fix gem PCS support
 
 spi:
 - Small trivial fixes
 
 zynq:
 - Enable time/timer commands
 - Update bitmain platform
 - Several DT changes
 
 zynqmp:
 - Update clock driver
 - mini config alignments
 - Add/update psu_init for zcu208/zcu216/zc1275
 - Several DT changes
 - Enable efi debug command (also for Versal)
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Merge tag 'xilinx-for-v2021.07' of https://source.denx.de/u-boot/custodians/u-boot-microblaze into next

Xilinx changes for v2021.07

net:
- Fix gem PCS support

spi:
- Small trivial fixes

zynq:
- Enable time/timer commands
- Update bitmain platform
- Several DT changes

zynqmp:
- Update clock driver
- mini config alignments
- Add/update psu_init for zcu208/zcu216/zc1275
- Several DT changes
- Enable efi debug command (also for Versal)
2021-03-31 09:47:30 -04:00
T Karthik Reddy
dd4c642757 clk: zynqmp: Fix clk dump values
With "clk dump" command, few clocks are showing up incorrect values
and some clocks are displayed as "unknown".

Add missing clocks to zynqmp clock driver to display proper
clocks rates.

Implement a simple way to get clock source, instead of calling
functions. Change existing functions to this simple mechanism.

Fix gem clock name "gem_rx" to "gem_tx" which was incorrect.
Change dbf_fpd & dbf_lpd clk names to dbg_fpd & dbg_lpd.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
2021-03-30 12:03:24 +02:00
Simon Glass
cc469b7086 dm: Rename device_get_by_driver_info_idx()
This function finds a device by its driver_info index. With
of-platdata-inst we do not use driver_info, but instead instantiate
udevice records at build-time.

However the semantics of using the function are the same in each case:
the caller provides an index and gets back a device.

So rename the function to device_get_by_ofplat_idx(), so that it can be
used for both situations. The caller does not really need to worry about
the details.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-26 17:03:08 +13:00
Simon Glass
8813986dfd clk: sandbox: Create a special fixed-rate driver
Create a version of this driver for sandbox so that it can use the
of-platdata struct.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-26 17:03:08 +13:00
Simon Glass
4ddc91b32f clk: fixed-rate: Export driver parts for OF_PLATDATA_INST
We need to allow SoCs to create their own drivers for this so that they
can use their own of-platdata structs. To minimise code duplication,
export the driver operations and the ofdata_to_plat() setup function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-26 17:03:08 +13:00
Simon Glass
cc7ffd3adc clk: sandbox: Move priv/plat data to a header file
At present the structs used by this driver are not accessible outside it,
so cannot be used with OF_PLATDATA_INST. Move them to a header file to
fix this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-26 17:03:08 +13:00
Etienne Carriere
08db5d5c71 clk: stm32mp1: gets root clocks from fdt
This change makes stm32mp1 clock driver to get the root clocks
reference from the device node in the FDT rather than fetching
straight these clocks by their name. Driver now stores the
clock reference and use it to know if a root clock is present,
get its rate or gets its related udevice reference.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
2021-03-11 17:03:19 +01:00
Tom Rini
cbe607b920 Xilinx changes for v2021.04-rc3
qspi:
 - Support for dual/quad mode
 - Fix speed handling
 
 clk:
 - Add clock enable function for zynq/zynqmp/versal
 
 gem:
 - Enable clock for Versal
 - Fix error path
 - Fix mdio deregistration path
 
 fpga:
 - Fix buffer alignment for ZynqMP
 
 xilinx:
 - Fix reset reason clearing in ZynqMP
 - Show silicon version in SPL for Zynq/ZynqMP
 - Fix DTB selection for ZynqMP
 - Rename zc1275 to zcu1275 to match DT name
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Merge tag 'xilinx-for-v2021.04-rc3' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.04-rc3

qspi:
- Support for dual/quad mode
- Fix speed handling

clk:
- Add clock enable function for zynq/zynqmp/versal

gem:
- Enable clock for Versal
- Fix error path
- Fix mdio deregistration path

fpga:
- Fix buffer alignment for ZynqMP

xilinx:
- Fix reset reason clearing in ZynqMP
- Show silicon version in SPL for Zynq/ZynqMP
- Fix DTB selection for ZynqMP
- Rename zc1275 to zcu1275 to match DT name
2021-02-23 10:45:55 -05:00
T Karthik Reddy
60b03f1cc4 clk: versal: Add support to enable clocks
Add clock enable functionality in versal clock driver to enable
clocks from peripheral drivers using clk_ops.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-02-23 14:56:59 +01:00
T Karthik Reddy
a72a6ae362 clk: zynqmp: Add support to enable clocks
Add clock enable functionality in zynqmp clock driver to enable
clocks from peripheral drivers using clk_ops.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-02-23 14:56:59 +01:00
Michal Simek
9b7aac7536 clk: zynq: Add dummy clock enable function
A lot of Xilinx drivers are checking -ENOSYS which means that clock driver
doesn't have enable function. Remove this checking from drivers and create
dummy enable function as was done for clk_fixed_rate driver by
commit 6bf6d81c11 ("clk: fixed_rate: add dummy enable() function").

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-02-23 14:56:59 +01:00
Dario Binacchi
d242a14533 clk: ti: improve debug messages for clkctrl driver
The previous version printed the same debug message for both the enable
and disable routines without highlighting whether you were enabling or
disabling the module. It is now clear whether you are enabling or
disabling the module.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
2021-02-22 11:39:48 +05:30
Tom Rini
2ae80437fb Merge branch '2021-02-02-drop-asm_global_data-when-unused'
- Merge the patch to take <asm/global_data.h> out of <common.h>
2021-02-15 10:16:45 -05:00
Eugen Hristev
65bde1c087 clk: at91: compat: partially revert "dm: Remove uses of device_bind_offset()"
Revert changes in at91 compat.c that cause u-boot to fail booting on
sama5d4_xplained and sama5d2_xplained

Log below:

<debug_uart>
No serial driver found
Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Fixes: a2703ce10c ("dm: Remove uses of device_bind_offset()")
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-02-11 09:26:40 +02:00
Patrick Delaunay
789d764b9e clk: stm32mp1: add support of I2C6_K
Add support of missing I2C6_K with bit 3 of RCC_MC_APB5ENSETR =
I2C6EN: I2C6 peripheral clocks enable.

This patch allows customer to use I2C6 in SPL or in U-Boot
as other I2C instance, already support in clk driver.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
2021-02-09 10:34:27 +01:00