Commit graph

660 commits

Author SHA1 Message Date
Alexander Stein
aade0a0760 clk: imx: clk-imx8qxp: fix LVDS bypass, pixel and phy clocks
[ Upstream commit 3f5f63adee ]

To be compatible with SCU firmware based on 1.15 a different clock
routing for LVDS is needed.

Signed-off-by: Oliver F. Brown <oliver.brown@oss.nxp.com>
Signed-off-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20231218122407.2757175-1-alexander.stein@ew.tq-group.com/
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-05 20:12:57 +00:00
Robert Chiras
d72c586809 clk: imx: imx8qxp: Fix elcdif_pll clock
[ Upstream commit 15cee75dac ]

Move the elcdif_pll clock initialization before the lcd_clk, since the
elcdif_clk needs to be initialized ahead of lcd_clk, being its parent.
This change fixes issues with the LCD clocks during suspend/resume.

Fixes: babfaa9556 ("clk: imx: scu: add more scu clocks")
Suggested-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com>
Acked-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Signed-off-by: Robert Chiras <robert.chiras@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230912-imx8-clk-v1-v1-2-69a34bcfcae1@nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 11:51:56 +01:00
Peng Fan
2c2f1fb3f8 clk: imx: imx8mq: correct error handling path
[ Upstream commit 577ad16996 ]

Avoid memory leak in error handling path. It does not make
much sense for the SoC without clk driver, to make program behavior
correct, let's fix it.

Fixes: b80522040c ("clk: imx: Add clock driver for i.MX8MQ CCM")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202309240551.e46NllPa-lkp@intel.com/
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20231001122618.194498-1-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 11:51:56 +01:00
Abel Vesa
0e2b088240 clk: imx: Select MXC_CLK for CLK_IMX8QXP
[ Upstream commit 317e69c49b ]

If the i.MX8QXP clock provider is built-in but the MXC_CLK is
built as module, build fails:

aarch64-linux-ld: drivers/clk/imx/clk-imx8-acm.o: in function `imx8_acm_clk_probe':
clk-imx8-acm.c:(.text+0x3d0): undefined reference to `imx_check_clk_hws'

Fix that by selecting MXC_CLK in case of CLK_IMX8QXP.

Fixes: c2cccb6d0b ("clk: imx: add imx8qxp clk driver")
Closes: https://lore.kernel.org/all/8b77219e-b59e-40f1-96f1-980a0b2debcf@infradead.org/
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-20 11:51:56 +01:00
Marco Felsch
5b3b0f7f73 clk: imx: pll14xx: align pdiv with reference manual
commit 37cfd5e457 upstream.

The PLL14xx hardware can be found on i.MX8M{M,N,P} SoCs and always come
with a 6-bit pre-divider. Neither the reference manuals nor the
datasheets of these SoCs do mention any restrictions. Furthermore the
current code doesn't respect the restrictions from the comment too.

Therefore drop the restriction and align the max pre-divider (pdiv)
value to 63 to get more accurate frequencies.

Fixes: b09c68dc57 ("clk: imx: pll14xx: Support dynamic rates")
Cc: stable@vger.kernel.org
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.kernel.org/r/20230807084744.1184791-1-m.felsch@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-19 12:27:57 +02:00
Ahmad Fatoum
871244f8ef clk: imx: pll14xx: dynamically configure PLL for 393216000/361267200Hz
commit 72d00e560d upstream.

Since commit b09c68dc57 ("clk: imx: pll14xx: Support dynamic rates"),
the driver has the ability to dynamically compute PLL parameters to
approximate the requested rates. This is not always used, because the
logic is as follows:

  - Check if the target rate is hardcoded in the frequency table
  - Check if varying only kdiv is possible, so switch over is glitch free
  - Compute rate dynamically by iterating over pdiv range

If we skip the frequency table for the 1443x PLL, we find that the
computed values differ to the hardcoded ones. This can be valid if the
hardcoded values guarantee for example an earlier lock-in or if the
divisors are chosen, so that other important rates are more likely to
be reached glitch-free.

For rates (393216000 and 361267200, this doesn't seem to be the case:
They are only approximated by existing parameters (393215995 and
361267196 Hz, respectively) and they aren't reachable glitch-free from
other hardcoded frequencies. Dropping them from the table allows us
to lock-in to these frequencies exactly.

This is immediately noticeable because they are the assigned-clock-rates
for IMX8MN_AUDIO_PLL1 and IMX8MN_AUDIO_PLL2, respectively and a look
into clk_summary so far showed that they were a few Hz short of the target:

imx8mn-board:~# grep audio_pll[12]_out /sys/kernel/debug/clk/clk_summary
audio_pll2_out           0        0        0   361267196 0     0  50000   N
audio_pll1_out           1        1        0   393215995 0     0  50000   Y

and afterwards:

imx8mn-board:~# grep audio_pll[12]_out /sys/kernel/debug/clk/clk_summary
audio_pll2_out           0        0        0   361267200 0     0  50000   N
audio_pll1_out           1        1        0   393216000 0     0  50000   Y

This change is equivalent to adding following hardcoded values:

  /*               rate     mdiv  pdiv  sdiv   kdiv */
  PLL_1443X_RATE(393216000, 655,    5,    3,  23593),
  PLL_1443X_RATE(361267200, 497,   33,    0, -16882),

Fixes: 053a4ffe29 ("clk: imx: imx8mm: fix audio pll setting")
Cc: stable@vger.kernel.org # v5.18+
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20230807084744.1184791-2-m.felsch@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-19 12:27:57 +02:00
Ahmad Fatoum
dd9241fc4b clk: imx: composite-8m: fix clock pauses when set_rate would be a no-op
[ Upstream commit 4dd432d985 ]

Reconfiguring the clock divider to the exact same value is observed
on an i.MX8MN to often cause a longer than usual clock pause, probably
because the divider restarts counting whenever the register is rewritten.

This issue doesn't show up normally, because the clock framework will
take care to not call set_rate when the clock rate is the same.
However, when we reconfigure an upstream clock, the common code will
call set_rate with the newly calculated rate on all children, e.g.:

  - sai5 is running normally and divides Audio PLL out by 16.
  - Audio PLL rate is increased by 32Hz (glitch-free kdiv change)
  - rates for children are recalculated and rates are set recursively
  - imx8m_clk_composite_divider_set_rate(sai5) is called with
    32/16 = 2Hz more
  - imx8m_clk_composite_divider_set_rate computes same divider as before
  - divider register is written, so it restarts counting from zero and
    MCLK is briefly paused, so instead of e.g. 40ns, MCLK is low for 120ns.

Some external clock consumers can be upset by such unexpected clock pauses,
so let's make sure we only rewrite the divider value when the value to be
written is actually different.

Fixes: d3ff972813 ("clk: imx: Add imx composite clock")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230807082201.2332746-1-a.fatoum@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-13 09:42:47 +02:00
Marco Felsch
cc7e04d7ff clk: imx8mp: fix sai4 clock
[ Upstream commit c30f600f1f ]

The reference manual don't mention a SAI4 hardware block. This would be
clock slice 78 which is skipped (TRM, page 237). Remove any reference to
this clock to align the driver with the reality.

Fixes: 9c140d9926 ("clk: imx: Add support for i.MX8MP clock driver")
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Link: https://lore.kernel.org/r/20230731142150.3186650-1-m.felsch@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-13 09:42:47 +02:00
Peng Fan
fcaf148b20 clk: imx: imx8ulp: update SPLL2 type
[ Upstream commit 7653a59be8 ]

The SPLL2 on iMX8ULP is different with other frac PLLs, it can
support VCO from 650Mhz to 1Ghz. Following the changes to pllv4,
use the new type IMX_PLLV4_IMX8ULP_1GHZ.

Fixes: c43a801a57 ("clk: imx: Add clock driver for imx8ulp")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230625123340.4067536-2-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-13 09:42:47 +02:00
Ye Li
e1139dea2c clk: imx: pllv4: Fix SPLL2 MULT range
[ Upstream commit 3f0cdb9454 ]

The SPLL2 on iMX8ULP is different with other frac PLLs, it can
support VCO from 650Mhz to 1Ghz. According to RM, the MULT is
using a range from 27 to 54, not some fixed values. If using
current PLL implementation, some clock rate can't be supported.

Fix the issue by adding new type for the SPLL2 and use MULT range
to replace MULT table

Fixes: 5f0601c47c ("clk: imx: Update the pllv4 to support imx8ulp")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230625123340.4067536-1-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-09-13 09:42:47 +02:00
Geert Uytterhoeven
8a211e9118 clk: imx93: Propagate correct error in imx93_clocks_probe()
commit a29b2fccf5 upstream.

smatch reports:

    drivers/clk/imx/clk-imx93.c:294 imx93_clocks_probe() error: uninitialized symbol 'base'.

Indeed, in case of an error, the wrong (yet uninitialized) variable is
converted to an error code and returned.
Fix this by propagating the error code in the correct variable.

Fixes: e02ba11b45 ("clk: imx93: fix memory leak and missing unwind goto in imx93_clocks_probe")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/9c2acd81-3ad8-485d-819e-9e4201277831@kadam.mountain
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/all/202306161533.4YDmL22b-lkp@intel.com/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230711150812.3562221-1-geert+renesas@glider.be
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-11 12:08:22 +02:00
Yuxing Liu
6317d03026 clk: imx: clk-imx8mp: improve error handling in imx8mp_clocks_probe()
[ Upstream commit 878b02d5f3 ]

Replace of_iomap() and kzalloc() with devm_of_iomap() and devm_kzalloc()
which can automatically release the related memory when the device
or driver is removed or unloaded to avoid potential memory leak.

In this case, iounmap(anatop_base) in line 427,433 are removed
as manual release is not required.

Besides, referring to clk-imx8mq.c, check the return code of
of_clk_add_hw_provider, if it returns negtive, print error info
and unregister hws, which makes the program more robust.

Fixes: 9c140d9926 ("clk: imx: Add support for i.MX8MP clock driver")
Signed-off-by: Yuxing Liu <lyx2022@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230503070607.2462-1-lyx2022@hust.edu.cn
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:29 +02:00
Zhanhao Hu
280a5ff665 clk: imx93: fix memory leak and missing unwind goto in imx93_clocks_probe
[ Upstream commit e02ba11b45 ]

In function probe(), it returns directly without unregistered hws
when error occurs.

Fix this by adding 'goto unregister_hws;' on line 295 and
line 310.

Use devm_kzalloc() instead of kzalloc() to automatically
free the memory using devm_kfree() when error occurs.

Replace of_iomap() with devm_of_iomap() to automatically
handle the unused ioremap region and delete 'iounmap(anatop_base);'
in unregister_hws.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Signed-off-by: Zhanhao Hu <zero12113@hust.edu.cn>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230601033825.336558-1-zero12113@hust.edu.cn
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:29 +02:00
Hao Luo
9ba3693b03 clk: imx: clk-imx8mn: fix memory leak in imx8mn_clocks_probe
[ Upstream commit 188d070de9 ]

Use devm_of_iomap() instead of of_iomap() to automatically handle
the unused ioremap region.

If any error occurs, regions allocated by kzalloc() will leak,
but using devm_kzalloc() instead will automatically free the memory
using devm_kfree().

Fixes: daeb145455 ("clk: imx: imx8mn: Switch to clk_hw based API")
Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Hao Luo <m202171776@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230411015107.2645-1-m202171776@hust.edu.cn
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:29 +02:00
Kai Ma
1839032251 clk: imx: clk-imxrt1050: fix memory leak in imxrt1050_clocks_probe
[ Upstream commit 1b280598ab ]

Use devm_of_iomap() instead of of_iomap() to automatically
handle the unused ioremap region. If any error occurs, regions allocated by
kzalloc() will leak, but using devm_kzalloc() instead will automatically
free the memory using devm_kfree().

Also, fix error handling of hws by adding unregister_hws label, which
unregisters remaining hws when iomap failed.

Fixes: 7154b046d8 ("clk: imx: Add initial support for i.MXRT1050 clock driver")
Signed-off-by: Kai Ma <kaima@hust.edu.cn>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Jesse Taube <Mr.Bossman075@gmail.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230418113451.151312-1-kaima@hust.edu.cn
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:29 +02:00
Dan Carpenter
08cc7cd2c2 clk: imx: scu: use _safe list iterator to avoid a use after free
[ Upstream commit 632c60ecd2 ]

This loop is freeing "clk" so it needs to use list_for_each_entry_safe().
Otherwise it dereferences a freed variable to get the next item on the
loop.

Fixes: 77d8f3068c ("clk: imx: scu: add two cells binding support")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/0793fbd1-d2b5-4ec2-9403-3c39343a3e2d@kili.mountain
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:19 +02:00
Peng Fan
9b75bd4eef clk: imx: imx8ulp: Fix XBAR_DIVBUS and AD_SLOW clock parents
[ Upstream commit d608c18018 ]

XBAR_DIVBUS and AD_SLOW should set parent to XBAR_AD_DIVPLAT and
XBAR_DIVBUS respectively, not the NIC_AD. otherwise we will get
wrong clock rate.

Fixes: c43a801a57 ("clk: imx: Add clock driver for imx8ulp")
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230331063814.2462059-2-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-11 23:03:34 +09:00
Peng Fan
72ff6c1156 clk: imx: fracn-gppll: disable hardware select control
[ Upstream commit 4435467b15 ]

When programming PLL, should disable Hardware control select to make PLL
controlled by register, not hardware inputs through OSCPLL.

Fixes: 1b26cb8a77 ("clk: imx: support fracn gppll")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230403095300.3386988-3-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-11 23:03:34 +09:00
Peng Fan
b32bb99316 clk: imx: fracn-gppll: fix the rate table
[ Upstream commit cf8dccfedc ]

The Fvco should be range 2.4GHz to 5GHz, the original table voilate the
spec, so update the table to fix it.

Fixes: c196175acd ("clk: imx: clk-fracn-gppll: Add more freq config for video pll")
Fixes: 044034efbe ("clk: imx: clk-fracn-gppll: fix mfd value")
Fixes: 1b26cb8a77 ("clk: imx: support fracn gppll")
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230403095300.3386988-2-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-11 23:03:34 +09:00
Li Jun
1ba53c9c79 clk: imx: imx8mp: add shared clk gate for usb suspend clk
commit ed1f4ccfe9 upstream.

32K usb suspend clock gate is shared with usb_root_clk, this
shared clock gate was initially defined only for usb suspend
clock, usb suspend clk is kept on while system is active or
system sleep with usb wakeup enabled, so usb root clock is
fine with this situation; with the commit cf7f3f4fa9
("clk: imx8mp: fix usb_root_clk parent"), this clock gate is
changed to be for usb root clock, but usb root clock will
be off while usb is suspended, so usb suspend clock will be
gated too, this cause some usb functionalities will not work,
so define this clock to be a shared clock gate to conform with
the real HW status.

Fixes: 9c140d9926 ("clk: imx: Add support for i.MX8MP clock driver")
Cc: stable@vger.kernel.org # v5.19+
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/1664549663-20364-2-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-31 13:33:09 +01:00
Dario Binacchi
d998e98523 clk: imx8mn: fix imx8mn_enet_phy_sels clocks list
[ Upstream commit 2626cf67f2 ]

According to the "Clock Root" table of the reference manual (document
IMX8MNRM Rev 2, 07/2022):

     Clock Root         offset     Source Select (CCM_TARGET_ROOTn[MUX])
        ...              ...                    ...
 ENET_PHY_REF_CLK_ROOT  0xAA80            000 - 24M_REF_CLK
                                          001 - SYSTEM_PLL2_DIV20
                                          010 - SYSTEM_PLL2_DIV8
                                          011 - SYSTEM_PLL2_DIV5
                                          100 - SYSTEM_PLL2_DIV2
                                          101 - AUDIO_PLL1_CLK
                                          110 - VIDEO_PLL_CLK
                                          111 - AUDIO_PLL2_CLK
        ...              ...                    ...

while the imx8mn_enet_phy_sels list didn't contained audio_pll1_out for
source select bits 101b.

Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221117113637.1978703-6-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:16 +01:00
Dario Binacchi
a03b59a0c8 clk: imx8mn: fix imx8mn_sai2_sels clocks list
[ Upstream commit 34d996747a ]

According to the "Clock Root" table of the reference manual (document
IMX8MNRM Rev 2, 07/2022):

     Clock Root     offset     Source Select (CCM_TARGET_ROOTn[MUX])
        ...          ...                    ...
   SAI2_CLK_ROOT    0xA600            000 - 24M_REF_CLK
                                      001 - AUDIO_PLL1_CLK
                                      010 - AUDIO_PLL2_CLK
                                      011 - VIDEO_PLL_CLK
                                      100 - SYSTEM_PLL1_DIV6
                                      110 - EXT_CLK_2
                                      111 - EXT_CLK_3
        ...          ...                    ...

while the imx8mn_sai2_sels list contained clk_ext3 and clk_ext4 for
source select bits 110b and 111b.

Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221117113637.1978703-5-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:16 +01:00
Dario Binacchi
4b7b740009 clk: imx: rename video_pll1 to video_pll
[ Upstream commit bedcf9d1dc ]

Unlike audio_pll1 and audio_pll2, there is no video_pll2. Further, the
name used in the RM is video_pll. So, let's rename "video_pll1" to
"video_pll" to be consistent with the RM and avoid misunderstandings.

The IMX8MN_VIDEO_PLL1* constants have not been removed to ensure
backward compatibility of the patch.

No functional changes intended.

Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221117113637.1978703-4-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:16 +01:00
Dario Binacchi
90b4de6684 clk: imx: replace osc_hdmi with dummy
[ Upstream commit e7fa365ff6 ]

There is no occurrence of the hdmi oscillator in the reference manual
(document IMX8MNRM Rev 2, 07/2022). Further, if we consider the indexes
76-81 and 134 of the "Clock Root" table of chapter 5 of the RM, there is
no entry for the source select bits 101b, which is the setting referenced
by "osc_hdmi".
Fix by renaming "osc_hdmi" with "dummy", a clock which has already been
used for missing source select bits.

Tested on the BSH SystemMaster (SMM) S2 board.

Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221117113637.1978703-3-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:16 +01:00
Dario Binacchi
99bd07dc85 clk: imx8mn: rename vpu_pll to m7_alt_pll
[ Upstream commit a429c60bae ]

The IMX8MN platform does not have any video processing unit (VPU), and
indeed in the reference manual (document IMX8MNRM Rev 2, 07/2022) there
is no occurrence of its pll. From an analysis of the code and the RM
itself, I think vpu pll is used instead of m7 alternate pll, probably
for copy and paste of code taken from modules of similar architectures.

As an example for all, if we consider the second row of the "Clock Root"
table of chapter 5 (Clocks and Power Management) of the RM:

     Clock Root     offset     Source Select (CCM_TARGET_ROOTn[MUX])
        ...          ...                    ...
  ARM_M7_CLK_ROOT   0x8080            000 - 24M_REF_CLK
                                      001 - SYSTEM_PLL2_DIV5
				      010 - SYSTEM_PLL2_DIV4
				      011 - M7_ALT_PLL_CLK
				      100 - SYSTEM_PLL1_CLK
				      101 - AUDIO_PLL1_CLK
				      110 - VIDEO_PLL_CLK
				      111 - SYSTEM_PLL3_CLK
        ...          ...                    ...

but in the source code, the imx8mn_m7_sels clocks list contains vpu_pll
for the source select bits 011b.

So, let's rename "vpu_pll" to "m7_alt_pll" to be consistent with the RM.

The IMX8MN_VPU_* constants have not been removed to ensure backward
compatibility of the patch.

No functional changes intended.

Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Acked-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221117113637.1978703-2-dario.binacchi@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:16 +01:00
Giulio Benetti
66d362f16d clk: imx: imxrt1050: fix IMXRT1050_CLK_LCDIF_APB offsets
[ Upstream commit 3095c02f95 ]

Fix IMXRT1050_CLK_LCDIF_APB offsets.

Fixes: 7154b046d8 ("clk: imx: Add initial support for i.MXRT1050 clock driver")
Cc: Jesse Taube <mr.bossman075@gmail.com>
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221117181014.851505-1-giulio.benetti@benettiengineering.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:14 +01:00
Peng Fan
92f30b33df clk: imx93: correct enet clock
[ Upstream commit 4be5d91b94 ]

Per update Reference Mannual, correct the enet clock parent to
wakeup_axi_root.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221028095211.2598312-3-peng.fan@oss.nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:14 +01:00
Peng Fan
a1981f67d5 clk: imx93: unmap anatop base in error handling path
[ Upstream commit bda7b7f396 ]

The anatop base is not unmapped during error handling path, fix it.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221028095211.2598312-2-peng.fan@oss.nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:14 +01:00
Haibo Chen
b7c9069773 clk: imx93: correct the flexspi1 clock setting
[ Upstream commit 62dfdbcc16 ]

Correct IMX93_CLK_FLEXSPI1_GATE CCGR setting. Otherwise the flexspi
always can't be assigned to a parent clock when dump the clock tree.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/1666589199-1199-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:32:13 +01:00
Linus Torvalds
bdc753c7fc Here's the main clk pull request for this merge window. We have some
late breaking reports that a patch series to rework clk rate range
 support broke boot on some devices, so I've left that branch out of this
 PR. Hopefully we can get to that next week, or punt on it and let it
 bake another cycle. That means we don't really have any changes to the
 core framework this time around besides a few typo fixes. Instead this
 is all clk driver updates and fixes.
 
 The usual suspects are here (again), with Qualcomm dominating the
 diffstat. We look to have gained support for quite a few new Qualcomm
 SoCs and Dmitry worked on updating many of the existing Qualcomm drivers
 to use clk_parent_data. After that we have MediaTek drivers getting some
 much needed updates, in particular to support GPU DVFS. There are also
 quite a few Samsung clk driver patches, but that's mostly because there
 was a maintainer change and so last release we missed some of those
 patches.
 
 Overall things look normal, but I'm slowly reviewing core framework code
 nowadays and that shows given the rate range patches had to be yanked
 last minute. Let's hope this situation changes soon.
 
 New Drivers:
  - Support for Renesas VersaClock7 clock generator family
  - Add Spreadtrum UMS512 SoC clk support
  - New clock drivers for MediaTek Helio X10 MT6795
  - Display clks for Qualcomm SM6115, SM8450
  - GPU clks for Qualcomm SC8280XP
  - Qualcomm MSM8909 and SM6375 global and SMD RPM clk drivers
 
 Deleted Drivers:
  - Remove DaVinci DM644x and DM646x clk driver support
 
 Updates:
  - Convert Baikal-T1 CCU driver to platform driver
  - Split reset support out of primary Baikal-T1 CCU driver
  - Add some missing clks required for RPiVid Video Decoder on RaspberryPi
  - Mark PLLC critical on bcm2835
  - More devm helpers for fixed rate registration
  - Various PXA168 clk driver fixes
  - Add resets for MediaTek MT8195 PCIe and USB
  - Miscellaneous of_node_put() fixes
  - Nuke dt-bindings/clk path (again) by moving headers to dt-bindings/clock
  - Convert gpio-clk-gate binding to YAML
  - Various fixes to AMD/Xilinx Zynqmp clk driver
  - Graduate AMD/Xilinx "clocking wizard" driver from staging
  - Add missing DPI1_HDMI clock in MT8195 VDOSYS1
  - Clock driver changes to support GPU DVFS on MT8183, MT8192, MT8195
    - Fix GPU clock topology on MT8195
    - Propogate rate changes from GPU clock gate up the tree
    - Clock mux notifiers for GPU-related PLLs
  - Conversion of more "simple" drivers to mtk_clk_simple_probe()
  - Hook up mtk_clk_simple_remove() for "simple" MT8192 clock drivers
  - Fixes to previous |struct clk| to |struct clk_hw| conversion on MediaTek
  - Shrink MT8192 clock driver by deduplicating clock parent lists
  - Change order between 'sim_enet_root_clk' and 'enet_qos_root_clk'
    clocks for i.MX8MP
  - Drop unnecessary newline in i.MX8MM dt-bindings
  - Add more MU1 and SAI clocks dt-bindings Ids
  - Introduce slice busy bit check for i.MX93 composite clock
  - Introduce white list bit check for i.MX93 composite clock
  - Add new i.MX93 clock gate
  - Add MU1 and MU2 clocks to i.MX93 clock provider
  - Add SAI IPG clocks to i.MX93 clock provider
  - add generic clocks for U(S)ART available on SAMA5D2 SoCs
  - reset controller support for Polarfire clocks
  - .round_rate and .set rate support for clk-mpfs
  - code cleanup for clk-mpfs
  - PLL support for PolarFire SoC's Clock Conditioning Circuitry
  - Add watchdog, I2C, pin control/GPIO, and Ethernet clocks on R-Car V4H
  - Add SDHI, Timer (CMT/TMU), and SPI (MSIOF) clocks on R-Car S4-8
  - Add I2C clocks and resets on RZ/V2M
  - Document clock support for the RZ/Five SoC
  - mux-variant clock using the table variant to select parents
  - clock controller for the rv1126 soc
  - conversion of rk3128 to yaml and relicensing of the yaml bindings
    to gpl2+MIT (following dt-binding guildelines)
  - Exynos7885: add FSYS, TREX and MFC clock controllers
  - Exynos850: add IS and AUD (audio) clock controllers with bindings
  - ExynosAutov9: add FSYS clock controllers with bindings
  - ExynosAutov9: correct clock IDs in bindings of Peric 0 and 1 clock
    controllers, due to duplicated entries.  This is an acceptable ABI
    break: recently developed/added platform so without legacies, acked
    by known users/developers
  - ExynosAutov9: add few missing Peric 0/1 gates
  - ExynosAutov9: correct register offsets of few Peric 0/1 clocks
  - Minor code improvements (use of_device_get_match_data() helper, code
    style)
  - Add Krzysztof Kozlowski as co-maintainer of Samsung SoC clocks, as he
    already maintainers that architecture/platform
  - Keep Qualcomm GDSCs enabled when PWRSTS_RET flag is there, solving retention
    issues during suspend of USB on Qualcomm sc7180/sc7280 and SC8280XP
  - Qualcomm SM6115 and QCM2260 are moved to reuse PLL configuration
  - Qualcomm SDM660 SDCC1 moved to floor clk ops
  - Support for the APCS PLLs for Qualcomm IPQ8064, IPQ8074 and IPQ6018 was
    added/fixed
  - The Qualcomm MSM8996 CPU clocks are updated with support for ACD
  - Support for Qualcomm SDM670 GCC and RPMh clks was added
  - Transition to parent_data, parent_hws and use of ARRAY_SIZE() for
    num_parents was done for many Qualcomm SoCs
  - Support for per-reset defined delay on Qualcomm was introduced
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "We have some late breaking reports that a patch series to rework clk
  rate range support broke boot on some devices, so I've left that
  branch out of this. Hopefully we can get to that next week, or punt on
  it and let it bake another cycle. That means we don't really have any
  changes to the core framework this time around besides a few typo
  fixes. Instead this is all clk driver updates and fixes.

  The usual suspects are here (again), with Qualcomm dominating the
  diffstat. We look to have gained support for quite a few new Qualcomm
  SoCs and Dmitry worked on updating many of the existing Qualcomm
  drivers to use clk_parent_data. After that we have MediaTek drivers
  getting some much needed updates, in particular to support GPU DVFS.
  There are also quite a few Samsung clk driver patches, but that's
  mostly because there was a maintainer change and so last release we
  missed some of those patches.

  Overall things look normal, but I'm slowly reviewing core framework
  code nowadays and that shows given the rate range patches had to be
  yanked last minute. Let's hope this situation changes soon.

  New Drivers:
   - Support for Renesas VersaClock7 clock generator family
   - Add Spreadtrum UMS512 SoC clk support
   - New clock drivers for MediaTek Helio X10 MT6795
   - Display clks for Qualcomm SM6115, SM8450
   - GPU clks for Qualcomm SC8280XP
   - Qualcomm MSM8909 and SM6375 global and SMD RPM clk drivers

  Deleted Drivers:
   - Remove DaVinci DM644x and DM646x clk driver support

  Updates:
   - Convert Baikal-T1 CCU driver to platform driver
   - Split reset support out of primary Baikal-T1 CCU driver
   - Add some missing clks required for RPiVid Video Decoder on
     RaspberryPi
   - Mark PLLC critical on bcm2835
   - More devm helpers for fixed rate registration
   - Various PXA168 clk driver fixes
   - Add resets for MediaTek MT8195 PCIe and USB
   - Miscellaneous of_node_put() fixes
   - Nuke dt-bindings/clk path (again) by moving headers to
     dt-bindings/clock
   - Convert gpio-clk-gate binding to YAML
   - Various fixes to AMD/Xilinx Zynqmp clk driver
   - Graduate AMD/Xilinx "clocking wizard" driver from staging
   - Add missing DPI1_HDMI clock in MT8195 VDOSYS1
   - Clock driver changes to support GPU DVFS on MT8183, MT8192, MT8195
   - Fix GPU clock topology on MT8195
   - Propogate rate changes from GPU clock gate up the tree
   - Clock mux notifiers for GPU-related PLLs
   - Conversion of more "simple" drivers to mtk_clk_simple_probe()
   - Hook up mtk_clk_simple_remove() for "simple" MT8192 clock drivers
   - Fixes to previous |struct clk| to |struct clk_hw| conversion on
     MediaTek
   - Shrink MT8192 clock driver by deduplicating clock parent lists
   - Change order between 'sim_enet_root_clk' and 'enet_qos_root_clk'
     clocks for i.MX8MP
   - Drop unnecessary newline in i.MX8MM dt-bindings
   - Add more MU1 and SAI clocks dt-bindings Ids
   - Introduce slice busy bit check for i.MX93 composite clock
   - Introduce white list bit check for i.MX93 composite clock
   - Add new i.MX93 clock gate
   - Add MU1 and MU2 clocks to i.MX93 clock provider
   - Add SAI IPG clocks to i.MX93 clock provider
   - add generic clocks for U(S)ART available on SAMA5D2 SoCs
   - reset controller support for Polarfire clocks
   - .round_rate and .set rate support for clk-mpfs
   - code cleanup for clk-mpfs
   - PLL support for PolarFire SoC's Clock Conditioning Circuitry
   - Add watchdog, I2C, pin control/GPIO, and Ethernet clocks on R-Car
     V4H
   - Add SDHI, Timer (CMT/TMU), and SPI (MSIOF) clocks on R-Car S4-8
   - Add I2C clocks and resets on RZ/V2M
   - Document clock support for the RZ/Five SoC
   - mux-variant clock using the table variant to select parents
   - clock controller for the rv1126 soc
   - conversion of rk3128 to yaml and relicensing of the yaml bindings
     to gpl2+MIT (following dt-binding guildelines)
   - Exynos7885: add FSYS, TREX and MFC clock controllers
   - Exynos850: add IS and AUD (audio) clock controllers with bindings
   - ExynosAutov9: add FSYS clock controllers with bindings
   - ExynosAutov9: correct clock IDs in bindings of Peric 0 and 1 clock
     controllers, due to duplicated entries. This is an acceptable ABI
     break: recently developed/added platform so without legacies, acked
     by known users/developers
   - ExynosAutov9: add few missing Peric 0/1 gates
   - ExynosAutov9: correct register offsets of few Peric 0/1 clocks
   - Minor code improvements (use of_device_get_match_data() helper,
     code style)
   - Add Krzysztof Kozlowski as co-maintainer of Samsung SoC clocks, as
     he already maintainers that architecture/platform
   - Keep Qualcomm GDSCs enabled when PWRSTS_RET flag is there, solving
     retention issues during suspend of USB on Qualcomm sc7180/sc7280
     and SC8280XP
   - Qualcomm SM6115 and QCM2260 are moved to reuse PLL configuration
   - Qualcomm SDM660 SDCC1 moved to floor clk ops
   - Support for the APCS PLLs for Qualcomm IPQ8064, IPQ8074 and IPQ6018
     was added/fixed
   - The Qualcomm MSM8996 CPU clocks are updated with support for ACD
   - Support for Qualcomm SDM670 GCC and RPMh clks was added
   - Transition to parent_data, parent_hws and use of ARRAY_SIZE() for
     num_parents was done for many Qualcomm SoCs
   - Support for per-reset defined delay on Qualcomm was introduced"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (283 commits)
  clk: qcom: gcc-sm6375: Ensure unsigned long type
  clk: qcom: gcc-sm6375: Remove unused variables
  clk: qcom: kpss-xcc: convert to parent data API
  clk: introduce (devm_)hw_register_mux_parent_data_table API
  clk: allow building lan966x as a module
  clk: clk-xgene: simplify if-if to if-else
  clk: ast2600: BCLK comes from EPLL
  clk: clocking-wizard: Depend on HAS_IOMEM
  clk: clocking-wizard: Use dev_err_probe() helper
  clk: nxp: fix typo in comment
  clk: pxa: add a check for the return value of kzalloc()
  clk: vc5: Add support for IDT/Renesas VersaClock 5P49V6975
  dt-bindings: clock: vc5: Add 5P49V6975
  clk: mvebu: armada-37xx-tbg: Remove the unneeded result variable
  clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
  clk: Renesas versaclock7 ccf device driver
  dt-bindings: Renesas versaclock7 device tree bindings
  clk: ti: Balance of_node_get() calls for of_find_node_by_name()
  clk: imx: scu: fix memleak on platform_device_add() fails
  clk: vc5: Use regmap_{set,clear}_bits() where appropriate
  ...
2022-10-08 10:06:48 -07:00
Lin Yujun
855ae87a20 clk: imx: scu: fix memleak on platform_device_add() fails
No error handling is performed when platform_device_add()
fails. Add error processing before return, and modified
the return value.

Fixes: 77d8f3068c ("clk: imx: scu: add two cells binding support")
Signed-off-by: Lin Yujun <linyujun809@huawei.com>
Link: https://lore.kernel.org/r/20220914033206.98046-1-linyujun809@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-09-30 17:06:59 -07:00
Peng Fan
daaa2fbe67 clk: imx93: drop of_match_ptr
There is build warning when CONFIG_OF is not selected.
>> drivers/clk/imx/clk-imx93.c:324:34: warning: 'imx93_clk_of_match'
>> defined but not used [-Wunused-const-variable=]
     324 | static const struct of_device_id imx93_clk_of_match[] = {
         |                                  ^~~~~~~~~~~~~~~~~~

The driver only support DT table, no sense to use of_match_ptr.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20220830033137.4149542-3-peng.fan@oss.nxp.com
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-09-28 18:37:36 -07:00
Han Xu
b1ff1bfe81 clk: imx: imx6sx: remove the SET_RATE_PARENT flag for QSPI clocks
There is no dedicate parent clock for QSPI so SET_RATE_PARENT flag
should not be used. For instance, the default parent clock for QSPI is
pll2_bus, which is also the parent clock for quite a few modules, such
as MMDC, once GPMI NAND set clock rate for EDO5 mode can cause system
hang due to pll2_bus rate changed.

Fixes: f1541e15e3 ("clk: imx6sx: Switch to clk_hw based API")
Signed-off-by: Han Xu <han.xu@nxp.com>
Link: https://lore.kernel.org/r/20220915150959.3646702-1-han.xu@nxp.com
Tested-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-09-28 13:26:16 -07:00
Peng Fan
67e16ac1fe clk: imx93: add SAI IPG clk
The clk topology is as below:
bus_aon_root------>\                  /--->SAI IPG
                    -->SAI LPCG gate-->
sai[x]_clk_root--->/                  \--->SAI MCLK

So use shared count as i.MX93 MU_B gate.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220830033137.4149542-9-peng.fan@oss.nxp.com
2022-09-19 13:06:45 +03:00
Peng Fan
92d1496fe8 clk: imx93: add MU1/2 clock
The clk tree should be as:
bus_aon_root------>\               /--->MU1_B IP
                    -->MU_B gate-->
bus_wakeup_root--->/               \--->MU2_B IP

bus_aon_root------>\               /--->MU1_A IP
                    -->MU_A gate-->
bus_wakeup_root--->/               \--->MU2_A IP

So need use shared count gate. And linux use MU_B,
so set MU_A clk as CLK_IGNORE_UNUSED.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220830033137.4149542-8-peng.fan@oss.nxp.com
2022-09-19 13:06:45 +03:00
Peng Fan
d91012fa00 clk: imx93: switch to use new clk gate API
Use i.MX93 specific clk gate API

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220830033137.4149542-7-peng.fan@oss.nxp.com
2022-09-19 13:06:45 +03:00
Peng Fan
0836c8604a clk: imx: add i.MX93 clk gate
i.MX93 LPCG is different from i.MX8M CCGR. Although imx_clk_hw_gate4_flags
is used here, it not strictly match i.MX93. i.MX93 has such design:
 - LPCG_DIRECT use BIT0 as on/off gate when LPCG_AUTHEN CPU_LPM is 0
 - LPCG_LPM_CUR use BIT[2:0] as on/off gate when LPCG_AUTHEN CPU_LPM is 1

The current implementation suppose CPU_LPM is 0, and use LPCG_DIRECT
BIT[1:0] as on/off gate. Although BIT1 is touched, actually BIT1 is
reserved.

And imx_clk_hw_gate4_flags use mask 0x3 to determine whether the clk
is enabled or not, but i.MX93 LPCG only use BIT0 to control when CPU_LPM
is 0. So clk disabled unused during kernel boot not able to gate off
the unused clocks.

To match i.MX93 LPCG, introduce imx93_clk_gate.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220830033137.4149542-6-peng.fan@oss.nxp.com
2022-09-19 13:06:45 +03:00
Peng Fan
2b66f02e2d clk: imx: clk-composite-93: check white_list
The CCM ROOT AUTHEN register WHITE_LIST indicate:
Each bit in this field represent for one domain. Bit16~Bit31 represent
for DOMAIN0~DOMAIN15 respectively. Only corresponding bit of the domains
is set to 1 can change the registers of this Clock Root.

i.MX93 DID is 3, so if BIT(3 + WHITE_LIST_SHIFT) is 0, the clk should be
set to read only. To make the imx93_clk_composite_flags be reusable,
add a new parameter named did(domain id);

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220830033137.4149542-5-peng.fan@oss.nxp.com
2022-09-19 13:06:45 +03:00
Peng Fan
4a3de5aa77 clk: imx: clk-composite-93: check slice busy
i.MX93 CCM ROOT STAT register has a SLICE_BUSY bit:
indication for clock generation logic is applying new setting.
0b - Clock generation logic is not busy.
1b - Clock generation logic is applying new setting.

So when set parent/rate/gate, need check this bit.

Introduce specific ops to do the work.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220830033137.4149542-4-peng.fan@oss.nxp.com
2022-09-19 13:06:45 +03:00
Peng Fan
c68cd258a6 clk: imx8mp: tune the order of enet_qos_root_clk
The enet_qos_root_clk takes sim_enet_root_clk as parent. When
registering enet_qos_root_clk, it will be put into clk orphan list,
because sim_enet_root_clk is not ready.

When sim_enet_root_clk is ready, clk_core_reparent_orphans_nolock will
set enet_qos_root_clk parent to sim_enet_root_clk.

Because CLK_OPS_PARENT_ENABLE is set, sim_enet_root_clk will be
enabled and disabled during the enet_qos_root_clk reparent phase.

All the above are correct. But with M7 booted early and using
enet, M7 enet feature will be broken, because clk driver probe phase
disable the needed clks, in case M7 firmware not configure
sim_enet_root_clk.

And tune the order would also save cpu cycles.

Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220815013428.476015-1-peng.fan@oss.nxp.com
2022-09-02 21:09:52 +03:00
Peng Fan
c196175acd clk: imx: clk-fracn-gppll: Add more freq config for video pll
Add the [484,498,445.3]MHz frequency support that will be used
by video subsystem on imx93.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-8-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Peng Fan
f300cb7fcc clk: imx: clk-fracn-gppll: correct rdiv
According to Reference Manual:
 000b - Divide by 1
 001b - Divide by 1
 010b - Divide by 2
 011b - Divide by 3
 100b - Divide by 4
 101b - Divide by 5
 110b - Divide by 6
 111b - Divide by 7

So only need increase rdiv by 1 when the register value is 0.

Fixes: 1b26cb8a77 ("clk: imx: support fracn gppll")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-7-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Liu Ying
5ebaf9f7da clk: imx: clk-fracn-gppll: Return rate in rate table properly in ->recalc_rate()
The PLL parameters in rate table should be directly compared with
those read from PLL registers instead of the cooked ones.

Fixes: 1b26cb8a77 ("clk: imx: support fracn gppll")
Cc: Abel Vesa <abel.vesa@nxp.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-6-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Peng Fan
044034efbe clk: imx: clk-fracn-gppll: fix mfd value
According to spec:
A value of 0 is disallowed and should not be programmed in this register

Fix to 1.

Fixes: 1b26cb8a77 ("clk: imx: support fracn gppll")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-5-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Jacky Bai
ebb4f1eb93 clk: imx93: Correct the edma1's parent clock
For EDMA1 in AONMIX, its parent clock should be from cm33_root,
so Correct it.

Fixes: 24defbe194b65("clk: imx: add i.MX93 clk")
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-4-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Peng Fan
1e3c837a66 clk: imx93: correct nic_media parent
NIC_MEDIA sources from media_axi_root, not media_apb_root.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-3-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Haibo Chen
18d6d8fe4f clk: imx93: use adc_root as the parent clock of adc1
When debug, find after system boot up, all adc register operation
will trigger system hang, this is because the internal adc ipg
clock is gate off. In dts, only reference the IMX93_CLK_ADC1_GATE,
which is adc1, no one touch the adc_root, so adc_root will be gate
off automatically after system boot up.

Fixes: 24defbe194 ("clk: imx: add i.MX93 clk")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20220609132902.3504651-2-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
2022-06-16 17:28:59 +03:00
Linus Torvalds
500a434fc5 Driver core changes for 5.19-rc1
Here is the set of driver core changes for 5.19-rc1.
 
 Note, I'm not really happy with this pull request as-is, see below for
 details, but overall this is all good for everything but a small set of
 systems, which we have a fix for already.
 
 Lots of tiny driver core changes and cleanups happened this cycle,
 but the two major things were:
 
 	- firmware_loader reorganization and additions including the
 	  ability to have XZ compressed firmware images and the ability
 	  for userspace to initiate the firmware load when it needs to,
 	  instead of being always initiated by the kernel. FPGA devices
 	  specifically want this ability to have their firmware changed
 	  over the lifetime of the system boot, and this allows them to
 	  work without having to come up with yet-another-custom-uapi
 	  interface for loading firmware for them.
 	- physical location support added to sysfs so that devices that
 	  know this information, can tell userspace where they are
 	  located in a common way.  Some ACPI devices already support
 	  this today, and more bus types should support this in the
 	  future.
 
 Smaller changes included:
 	- driver_override api cleanups and fixes
 	- error path cleanups and fixes
 	- get_abi script fixes
 	- deferred probe timeout changes.
 
 It's that last change that I'm the most worried about.  It has been
 reported to cause boot problems for a number of systems, and I have a
 tested patch series that resolves this issue.  But I didn't get it
 merged into my tree before 5.18-final came out, so it has not gotten any
 linux-next testing.
 
 I'll send the fixup patches (there are 2) as a follow-on series to this
 pull request if you want to take them directly, _OR_ I can just revert
 the probe timeout changes and they can wait for the next -rc1 merge
 cycle.  Given that the fixes are tested, and pretty simple, I'm leaning
 toward that choice.  Sorry this all came at the end of the merge window,
 I should have resolved this all 2 weeks ago, that's my fault as it was
 in the middle of some travel for me.
 
 All have been tested in linux-next for weeks, with no reported issues
 other than the above-mentioned boot time outs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core changes for 5.19-rc1.

  Lots of tiny driver core changes and cleanups happened this cycle, but
  the two major things are:

   - firmware_loader reorganization and additions including the ability
     to have XZ compressed firmware images and the ability for userspace
     to initiate the firmware load when it needs to, instead of being
     always initiated by the kernel. FPGA devices specifically want this
     ability to have their firmware changed over the lifetime of the
     system boot, and this allows them to work without having to come up
     with yet-another-custom-uapi interface for loading firmware for
     them.

   - physical location support added to sysfs so that devices that know
     this information, can tell userspace where they are located in a
     common way. Some ACPI devices already support this today, and more
     bus types should support this in the future.

  Smaller changes include:

   - driver_override api cleanups and fixes

   - error path cleanups and fixes

   - get_abi script fixes

   - deferred probe timeout changes.

  It's that last change that I'm the most worried about. It has been
  reported to cause boot problems for a number of systems, and I have a
  tested patch series that resolves this issue. But I didn't get it
  merged into my tree before 5.18-final came out, so it has not gotten
  any linux-next testing.

  I'll send the fixup patches (there are 2) as a follow-on series to this
  pull request.

  All have been tested in linux-next for weeks, with no reported issues
  other than the above-mentioned boot time-outs"

* tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
  driver core: fix deadlock in __device_attach
  kernfs: Separate kernfs_pr_cont_buf and rename_lock.
  topology: Remove unused cpu_cluster_mask()
  driver core: Extend deferred probe timeout on driver registration
  MAINTAINERS: add Russ Weight as a firmware loader maintainer
  driver: base: fix UAF when driver_attach failed
  test_firmware: fix end of loop test in upload_read_show()
  driver core: location: Add "back" as a possible output for panel
  driver core: location: Free struct acpi_pld_info *pld
  driver core: Add "*" wildcard support to driver_async_probe cmdline param
  driver core: location: Check for allocations failure
  arch_topology: Trace the update thermal pressure
  kernfs: Rename kernfs_put_open_node to kernfs_unlink_open_file.
  export: fix string handling of namespace in EXPORT_SYMBOL_NS
  rpmsg: use local 'dev' variable
  rpmsg: Fix calling device_lock() on non-initialized device
  firmware_loader: describe 'module' parameter of firmware_upload_register()
  firmware_loader: Move definitions from sysfs_upload.h to sysfs.h
  firmware_loader: Fix configs for sysfs split
  selftests: firmware: Add firmware upload selftests
  ...
2022-06-03 11:48:47 -07:00
Peng Fan
cf7f3f4fa9 clk: imx8mp: fix usb_root_clk parent
According to reference mannual CCGR77(usb) sources from hsio_axi, fix
it.

Fixes: 9c140d9926 ("clk: imx: Add support for i.MX8MP clock driver")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220507125430.793287-1-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
2022-05-17 11:42:07 +03:00
Lucas Stach
43896f56b5 clk: imx8mp: add clkout1/2 support
clkout1 and clkout2 allow to supply clocks from the SoC to the board,
which is used by some board designs to provide reference clocks.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220427162131.3127303-1-l.stach@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
2022-05-02 12:38:10 +03:00