Commit graph

6024 commits

Author SHA1 Message Date
Linus Torvalds
361c89a0da Pin control changes for the v6.2 kernel cycle:
Core changes:
 
 - Minor but nice and important documentation clean-ups.
 
 New drivers:
 
 - New subdriver for the Qualcomm SDM670 SoC.
 
 - New subdriver for the Intel Moorefield SoC.
 
 - New trivial support for the NXP Freescale i.MXRT1170 SoC.
 
 Other changes and improvements
 
 - A major clean-up of the Qualcomm pin control device tree bindings
   by Krzysztof.
 
 - A major header clean-up by Andy.
 
 - Some immutable irqchip clean-up for the Actions Semiconductor
   and Nuvoton drivers.
 
 - GPIO helpers for The Cypress cy8c95x0 driver.
 
 - Bias handling in the Mediatek MT7986 driver.
 
 - Remove the unused pins-are-numbered concept that never flew.
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Merge tag 'pinctrl-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "The two large chunks is the header clean-up from Andy and the Qualcomm
  DT bindings clean-up from Krzysztof. Each which could give rise to
  conflicts, but I haven't seen any.

  The YAML conversions happening around the device tree is the biggest
  item in the series and is the result of Rob Herrings ambition to
  autovalidate these trees against strict schemas and it is paying off
  in lots of bugs found and ever prettier device trees. Sooner or later
  the transition will be complete, Krzysztof is fixing up all of the
  Qualcomm stuff, which is pretty voluminous.

  Core changes:

   - minor but nice and important documentation clean-ups

  New drivers:

   - subdriver for the Qualcomm SDM670 SoC

   - subdriver for the Intel Moorefield SoC

   - trivial support for the NXP Freescale i.MXRT1170 SoC

  Other changes and improvements

   - major clean-up of the Qualcomm pin control device tree bindings by
     Krzysztof

   - major header clean-up by Andy

   - some immutable irqchip clean-up for the Actions Semiconductor and
     Nuvoton drivers

   - GPIO helpers for The Cypress cy8c95x0 driver

   - bias handling in the Mediatek MT7986 driver

   - remove the unused pins-are-numbered concept that never flew"

* tag 'pinctrl-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (231 commits)
  pinctrl: thunderbay: fix possible memory leak in thunderbay_build_functions()
  dt-bindings: pinctrl: st,stm32: Deprecate pins-are-numbered
  dt-bindings: pinctrl: mediatek,mt65xx: Deprecate pins-are-numbered
  pinctrl: stm32: Remove check for pins-are-numbered
  pinctrl: mediatek: common: Remove check for pins-are-numbered
  pinctrl: qcom: remove duplicate included header files
  pinctrl: sunxi: d1: Add CAN bus pinmuxes
  pinctrl: loongson2: Fix some const correctness
  pinctrl: pinconf-generic: add missing of_node_put()
  pinctrl: intel: Enumerate PWM device when community has a capability
  pwm: lpss: Rename pwm_lpss_probe() --> devm_pwm_lpss_probe()
  pwm: lpss: Allow other drivers to enable PWM LPSS
  pwm: lpss: Include headers we are the direct user of
  pwm: lpss: Rename MAX_PWMS --> LPSS_MAX_PWMS
  pwm: Add a stub for devm_pwmchip_add()
  pinctrl: k210: call of_node_put()
  pinctrl: starfive: Use existing variable gpio
  dt-bindings: pinctrl: semtech,sx150xq: fix match patterns for 16 GPIOs matching
  pinconf-generic: fix style issues in pin_config_param doc
  pinctrl: pinctrl-loongson2: fix Kconfig dependency
  ...
2022-12-13 13:03:06 -08:00
Gaosheng Cui
83e1bcaf8c pinctrl: thunderbay: fix possible memory leak in thunderbay_build_functions()
The thunderbay_add_functions() will free memory of thunderbay_funcs
when everything is ok, but thunderbay_funcs will not be freed when
thunderbay_add_functions() fails, then there will be a memory leak,
so we need to add kfree() when thunderbay_add_functions() fails to
fix it.

In addition, doing some cleaner works, moving kfree(funcs) from
thunderbay_add_functions() to thunderbay_build_functions().

Fixes: 12422af819 ("pinctrl: Add Intel Thunder Bay pinctrl driver")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20221129120126.1567338-1-cuigaosheng1@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-12-06 15:28:14 +01:00
Bernhard Rosenkränzer
b2de4316ec pinctrl: stm32: Remove check for pins-are-numbered
Remove the check for the unnecessary pins-are-numbered
DeviceTree property

Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221129023401.278780-3-bero@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-12-03 10:18:55 +01:00
Bernhard Rosenkränzer
78ee2e071d pinctrl: mediatek: common: Remove check for pins-are-numbered
Remove the check for the unnecessary pins-are-numbered Devicetree property.

Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20221129023401.278780-2-bero@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-12-03 10:18:48 +01:00
Andy Shevchenko
6989ea4881 pinctrl: intel: Save and restore pins in "direct IRQ" mode
The firmware on some systems may configure GPIO pins to be
an interrupt source in so called "direct IRQ" mode. In such
cases the GPIO controller driver has no idea if those pins
are being used or not. At the same time, there is a known bug
in the firmwares that don't restore the pin settings correctly
after suspend, i.e. by an unknown reason the Rx value becomes
inverted.

Hence, let's save and restore the pins that are configured
as GPIOs in the input mode with GPIROUTIOXAPIC bit set.

Cc: stable@vger.kernel.org
Reported-and-tested-by: Dale Smith <dalepsmith@gmail.com>
Reported-and-tested-by: John Harris <jmharris@gmail.com>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=214749
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20221124222926.72326-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-28 21:41:31 +01:00
ye xingchen
cf2fc8f8b2 pinctrl: qcom: remove duplicate included header files
linux/seq_file.h is included more than once.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202211221631577017318@zte.com.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-28 21:25:27 +01:00
Linus Walleij
e7d0040b43 intel-pinctrl for v6.2-2
* Enable PWM feature on Intel pin control IPs
 
 The following is an automated git shortlog grouped by driver:
 
 intel:
  -  Enumerate PWM device when community has a capability
 
 pwm:
  -  lpss: Rename pwm_lpss_probe() --> devm_pwm_lpss_probe()
  -  lpss: Allow other drivers to enable PWM LPSS
  -  lpss: Include headers we are the direct user of
  -  lpss: Rename MAX_PWMS --> LPSS_MAX_PWMS
  -  Add a stub for devm_pwmchip_add()
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Merge tag 'intel-pinctrl-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel

intel-pinctrl for v6.2-2

* Enable PWM feature on Intel pin control IPs

The following is an automated git shortlog grouped by driver:

intel:
 -  Enumerate PWM device when community has a capability

pwm:
 -  lpss: Rename pwm_lpss_probe() --> devm_pwm_lpss_probe()
 -  lpss: Allow other drivers to enable PWM LPSS
 -  lpss: Include headers we are the direct user of
 -  lpss: Rename MAX_PWMS --> LPSS_MAX_PWMS
 -  Add a stub for devm_pwmchip_add()
2022-11-28 21:23:20 +01:00
Fabien Poussin
6349c162b7 pinctrl: sunxi: d1: Add CAN bus pinmuxes
The D1 pin controller contains muxes for two CAN buses. While the CAN
bus controllers are only documented for the T113 SoC, the pin controller
is the same across all SoC variants.

Signed-off-by: Fabien Poussin <fabien.poussin@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20221126191636.6673-1-samuel@sholland.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-26 22:57:50 +01:00
Linus Walleij
7ebfe10ec3 pinctrl: loongson2: Fix some const correctness
The kernel robot using sparse is complaining like this:

drivers/pinctrl/pinctrl-loongson2.c:212:21: sparse:
 sparse: incorrect type in argument 1 (different address spaces) @@
 expected void const volatile [noderef] __iomem *addr @@
 got void *[noderef] __iomem reg @@
(...)

I think the problem is simply that the register base is defined
as void * __iomem instead of void __iomem * and this is because
of the way const correctness works with pointer infix order.

Fix it up. I think.

Reported-by: kernel test robot <lkp@intel.com>
Cc: zhanghongchen <zhanghongchen@loongson.cn>
Cc: Yinbo Zhu <zhuyinbo@loongson.cn>
Fixes: f73f88acbc ("pinctrl: pinctrl-loongson2: add pinctrl driver support")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-25 11:41:01 +01:00
ZhangPeng
5ead932898 pinctrl: pinconf-generic: add missing of_node_put()
of_node_put() needs to be called when jumping out of the loop, since
for_each_available_child_of_node() will increase the refcount of node.

Fixes: c7289500e2 ("pinctrl: pinconf-generic: scan also referenced phandle node")
Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Link: https://lore.kernel.org/r/20221125070156.3535855-1-zhangpeng362@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-25 10:49:28 +01:00
Ricardo Ribalda
11780e3756 pinctrl: meditatek: Startup with the IRQs disabled
If the system is restarted via kexec(), the peripherals do not start
with a known state.

If the previous system had enabled an IRQs we will receive unexected
IRQs that can lock the system.

[   28.109251] watchdog: BUG: soft lockup - CPU#0 stuck for 26s!
[swapper/0:0]
[   28.109263] Modules linked in:
[   28.109273] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
5.15.79-14458-g4b9edf7b1ac6 #1 9f2e76613148af94acccd64c609a552fb4b4354b
[   28.109284] Hardware name: Google Elm (DT)
[   28.109290] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS
		BTYPE=--)
[   28.109298] pc : __do_softirq+0xa0/0x388
[   28.109309] lr : __do_softirq+0x70/0x388
[   28.109316] sp : ffffffc008003ee0
[   28.109321] x29: ffffffc008003f00 x28: 000000000000000a x27:
0000000000000080
[   28.109334] x26: 0000000000000001 x25: ffffffefa7b350c0 x24:
ffffffefa7b47480
[   28.109346] x23: ffffffefa7b3d000 x22: 0000000000000000 x21:
ffffffefa7b0fa40
[   28.109358] x20: ffffffefa7b005b0 x19: ffffffefa7b47480 x18:
0000000000065b6b
[   28.109370] x17: ffffffefa749c8b0 x16: 000000000000018c x15:
00000000000001b8
[   28.109382] x14: 00000000000d3b6b x13: 0000000000000006 x12:
0000000000057e91
[   28.109394] x11: 0000000000000000 x10: 0000000000000000 x9 :
ffffffefa7b47480
[   28.109406] x8 : 00000000000000e0 x7 : 000000000f424000 x6 :
0000000000000000
[   28.109418] x5 : ffffffefa7dfaca0 x4 : ffffffefa7dfadf0 x3 :
000000000000000f
[   28.109429] x2 : 0000000000000000 x1 : 0000000000000100 x0 :
0000000001ac65c5
[   28.109441] Call trace:
[   28.109447]  __do_softirq+0xa0/0x388
[   28.109454]  irq_exit+0xc0/0xe0
[   28.109464]  handle_domain_irq+0x68/0x90
[   28.109473]  gic_handle_irq+0xac/0xf0
[   28.109480]  call_on_irq_stack+0x28/0x50
[   28.109488]  do_interrupt_handler+0x44/0x58
[   28.109496]  el1_interrupt+0x30/0x58
[   28.109506]  el1h_64_irq_handler+0x18/0x24
[   28.109512]  el1h_64_irq+0x7c/0x80
[   28.109519]  arch_local_irq_enable+0xc/0x18
[   28.109529]  default_idle_call+0x40/0x140
[   28.109539]  do_idle+0x108/0x290
[   28.109547]  cpu_startup_entry+0x2c/0x30
[   28.109554]  rest_init+0xe8/0xf8
[   28.109562]  arch_call_rest_init+0x18/0x24
[   28.109571]  start_kernel+0x338/0x42c
[   28.109578]  __primary_switched+0xbc/0xc4
[   28.109588] Kernel panic - not syncing: softlockup: hung tasks

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20221122-mtk-pinctrl-v1-1-bedf5655a3d2@chromium.org
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-22 21:05:18 +01:00
Andy Shevchenko
eb78d3604d pinctrl: intel: Enumerate PWM device when community has a capability
Some of the Communities may have PWM capability. In such cases,
enumerate the PWM device via respective driver. A user is still
responsible for setting correct pin muxing for the line that
needs to output the signal.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2022-11-22 20:34:02 +02:00
ZhangPeng
a8acc11643 pinctrl: k210: call of_node_put()
Since for_each_available_child_of_node() will increase the refcount of
node, we need to call of_node_put() manually when breaking out of the
iteration.

Fixes: d4c34d09ab ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Link: https://lore.kernel.org/r/20221122075853.2496680-1-zhangpeng362@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-22 09:35:27 +01:00
Geert Uytterhoeven
ac8a616c32 pinctrl: starfive: Use existing variable gpio
Use the existing variable "gpio", instead of obtaining the hwirq number
again.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Link: https://lore.kernel.org/r/3b6b8597792a393d0f21b8489dd933663dfd2b90.1669045778.git.geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-22 09:25:30 +01:00
Maxim Korotkov
64c150339e pinctrl: single: Fix potential division by zero
There is a possibility of dividing by zero due to the pcs->bits_per_pin
if pcs->fmask() also has a value of zero and called fls
from asm-generic/bitops/builtin-fls.h or arch/x86/include/asm/bitops.h.
The function pcs_probe() has the branch that assigned to fmask 0 before
pcs_allocate_pin_table() was called

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 4e7e8017a8 ("pinctrl: pinctrl-single: enhance to configure multiple pins of different modules")
Signed-off-by: Maxim Korotkov <korotkov.maxim.s@gmail.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20221117123034.27383-1-korotkov.maxim.s@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-21 14:41:52 +01:00
Ren Zhijie
c0f358fde3 pinctrl: pinctrl-loongson2: fix Kconfig dependency
If CONFIG_PINCTRL_LOONGSON2=y and CONFIG_OF is not set,
gcc complained about undefined reference:

drivers/pinctrl/pinctrl-loongson2.o: In function `pinconf_generic_dt_node_to_map_all':
pinctrl-loongson2.c:(.text+0x1c4): undefined reference to
`pinconf_generic_dt_node_to_map'

To fix this error, add depends on OF to
config PINCTRL_LOONGSON2.

Fixes: f73f88acbc ("pinctrl: pinctrl-loongson2: add pinctrl driver support")
Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
Link: https://lore.kernel.org/r/20221121132608.230645-1-renzhijie2@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-21 14:36:03 +01:00
Linus Walleij
d53f77d77f pinctrl: renesas: Updates for v6.2
- Use dynamic GPIO base on combined pincctrl/gpio controllers on
     SH/R-Mobile SoCs,
   - Miscellaneous improvements.
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Merge tag 'renesas-pinctrl-for-v6.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel

pinctrl: renesas: Updates for v6.2

  - Use dynamic GPIO base on combined pincctrl/gpio controllers on
    SH/R-Mobile SoCs,
  - Miscellaneous improvements.
2022-11-20 23:34:45 +01:00
Linus Walleij
91dd31146f intel-pinctrl for v6.2-1
* Add Intel Moorefield pin control driver
 * Deduplicate COMMUNITY() macro in the Intel pin control drivers
 * Switch Freescale GPIO driver to use fwnode instead of of_node
 * Miscellaneous clenups here and there
 
 The following is an automated git shortlog grouped by driver:
 
 alderlake:
  -  Deduplicate COMMUNITY macro code
 
 cannonlake:
  -  Deduplicate COMMUNITY macro code
 
 device property:
  -  Introduce fwnode_device_is_compatible() helper
 
 icelake:
  -  Deduplicate COMMUNITY macro code
 
 intel:
  -  Add Intel Moorefield pin controller support
  -  Use temporary variable for struct device
  -  Use str_enable_disable() helper
 
 merrifield:
  -  Use temporary variable for struct device
 
 qcom:
  -  lpass-lpi: Add missed bitfield.h
 
 soc:
  -  fsl: qe: Switch to use fwnode instead of of_node
 
 sunrisepoint:
  -  Deduplicate COMMUNITY macro code
 
 tigerlake:
  -  Deduplicate COMMUNITY macro code
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Merge tag 'intel-pinctrl-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel

intel-pinctrl for v6.2-1

* Add Intel Moorefield pin control driver
* Deduplicate COMMUNITY() macro in the Intel pin control drivers
* Switch Freescale GPIO driver to use fwnode instead of of_node
* Miscellaneous clenups here and there

The following is an automated git shortlog grouped by driver:

alderlake:
 -  Deduplicate COMMUNITY macro code

cannonlake:
 -  Deduplicate COMMUNITY macro code

device property:
 -  Introduce fwnode_device_is_compatible() helper

icelake:
 -  Deduplicate COMMUNITY macro code

intel:
 -  Add Intel Moorefield pin controller support
 -  Use temporary variable for struct device
 -  Use str_enable_disable() helper

merrifield:
 -  Use temporary variable for struct device

qcom:
 -  lpass-lpi: Add missed bitfield.h

soc:
 -  fsl: qe: Switch to use fwnode instead of of_node

sunrisepoint:
 -  Deduplicate COMMUNITY macro code

tigerlake:
 -  Deduplicate COMMUNITY macro code
2022-11-18 09:20:20 +01:00
Geert Uytterhoeven
80d34260f3 pinctrl: renesas: gpio: Use dynamic GPIO base if no function GPIOs
Since commit 502df79b86 ("gpiolib: Warn on drivers still using
static gpiobase allocation") in gpio/for-next, one or more warnings are
printed during boot on systems where the pin controller also provides
GPIO functionality:

    gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation.

Fix this for ARM-based SH/R-Mobile SoCs by:
  1. Taking into account a non-zero GPIO base in the various GPIO chip
     callbacks,
  2. Switching to dynamic allocation of the GPIO base when support for
     legacy function GPIOs is not enabled.

On SuperH SoCs using legacy function GPIOs, the GPIO bases of the GPIO
controller and the GPIO function controller must not be changed, as all
board files rely on the fixed GPIO_* and GPIO_FN_* definitions provided
by the various <cpu/sh*.h> header files.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/df2cf30ac4c3cbee726799f32b727c1ebe62819c.1668000684.git.geert+renesas@glider.be
2022-11-17 20:34:51 +01:00
zhanghongchen
f73f88acbc pinctrl: pinctrl-loongson2: add pinctrl driver support
The Loongson-2 SoC has a few pins that can be used as GPIOs or take
multiple other functions. Add a driver for the pinmuxing.

There is currently no support for GPIO pin pull-up and pull-down.

Signed-off-by: zhanghongchen <zhanghongchen@loongson.cn>
Co-developed-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Link: https://lore.kernel.org/r/20221114024942.8111-1-zhuyinbo@loongson.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-17 10:24:08 +01:00
Biju Das
41a87e789c pinctrl: renesas: rzg2l: remove unnecessary check from rzg2l_dt_node_to_map()
This patch removes the unnecessary check from rzg2l_dt_node_to_map()
as the ret value is already negative.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20221108191309.3908415-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2022-11-15 14:09:19 +01:00
Biju Das
d871ea8591 pinctrl: renesas: rzv2m: remove unnecessary check from rzv2m_dt_node_to_map()
This patch removes the unnecessary check from rzv2m_dt_node_to_map()
as the ret value is already negative.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20221108183223.3902097-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2022-11-15 14:09:16 +01:00
Linus Walleij
2e35b25dd8 pinctrl: mediatek: Export debounce time tables
The kernel test robot complains that in certain combinations
when building the Mediatek drivers as modules we lack some
debounce table symbols, so export them.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: e1ff91f9d2 ("pinctrl: mediatek: Fix EINT pins input debounce time configuration")
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-15 09:13:59 +01:00
AngeloGioacchino Del Regno
e1ff91f9d2 pinctrl: mediatek: Fix EINT pins input debounce time configuration
The External Interrupt Controller (EINTC) on all of the supported
MediaTek SoCs does support input debouncing, but not all of them
index the debounce time values (DBNC_SETTING registers) the same way.

Before this change, in some cases, as an example, requesting a debounce
time of 16 milliseconds would mistakenly set the relative DBNC_SETTING
register to 0x2, resulting in a way shorter debounce time of 500uS.

To fix the aforementioned issue, define three different debounce_time
arrays, reflecting the correct register index for each value and for
each register index variant, and make sure that each SoC pinctrl
driver uses the right one.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221111094106.18486-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-14 14:20:41 +01:00
Andy Shevchenko
06de519345 pinctrl: Move for_each_maps() to namespace and hide iterator inside
First of all, while for_each_maps() is private to pin control subsystem
it's still better to have it put into a namespace.

Besides that, users are not relying on iterator variable, so hide it
inside for-loop.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221111120048.42968-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-14 14:19:33 +01:00
Thierry Reding
5a00473607 pinctrl: tegra: Separate Tegra194 instances
Tegra194 has two separate instances of the pin controller, one called
AON (in the always-on domain) and another called "main". Instead of
treating them as a single pin controller, split them up into two
separate controllers. Doing so allows the mapping between the pinmux
and GPIO controllers to be trivial identity mappings and more cleanly
separates the AON from the main IP blocks.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20221104142345.1562750-4-thierry.reding@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-14 14:16:46 +01:00
Zeng Heng
91d5c5060e pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map
Here is the BUG report by KASAN about null pointer dereference:

BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50
Read of size 1 at addr 0000000000000000 by task python3/2640
Call Trace:
 strcmp
 __of_find_property
 of_find_property
 pinctrl_dt_to_map

kasprintf() would return NULL pointer when kmalloc() fail to allocate.
So directly return ENOMEM, if kasprintf() return NULL pointer.

Fixes: 57291ce295 ("pinctrl: core device tree mapping table parsing support")
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Link: https://lore.kernel.org/r/20221110082056.2014898-1-zengheng4@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 12:26:18 +01:00
Jesse Taube
52d13b1d93 pinctrl: freescale: Fix i.MXRT1050 pad names
The pad names for the i.MXRT1050 were incorrect. Fix them.

Cc: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Link: https://lore.kernel.org/r/20221107071511.2764628-7-Mr.Bossman075@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 09:19:43 +01:00
Sam Shih
2c58d8dc9c pinctrl: mediatek: add pull_type attribute for mediatek MT7986 SoC
Commit fb34a9ae38 ("pinctrl: mediatek: support rsel feature")
add SoC specify 'pull_type' attribute for bias configuration.

This patch add pull_type attribute to pinctrl-mt7986.c, and make
bias_set_combo and bias_get_combo available to mediatek MT7986 SoC.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221106080114.7426-7-linux@fw-web.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 09:19:43 +01:00
Sam Shih
fae82621ac pinctrl: mediatek: extend pinctrl-moore to support new bias functions
Commit fb34a9ae38 ("pinctrl: mediatek: support rsel feature")
introduced SoC specify 'pull_type' attribute to mtk_pinconf_bias_set_combo
and mtk_pinconf_bias_get_combo, and make the functions able to support
almost all Mediatek SoCs that use pinctrl-mtk-common-v2.c.

This patch enables pinctrl_moore to support these functions.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221106080114.7426-6-linux@fw-web.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 09:19:43 +01:00
Sam Shih
3476b354c6 pinctrl: mediatek: fix the pinconf register offset of some pins
Correct the bias-pull-up, bias-pull-down and bias-disable register
offset of mt7986 pin-42 to pin-49, in the original driver, the
relative offset value was erroneously decremented by 1.

Fixes: 360de67280 ("pinctrl: mediatek: add support for MT7986 SoC")
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221106080114.7426-5-linux@fw-web.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 09:19:43 +01:00
Jonathan Neuschäfer
6c98ac4212 pinctrl: nuvoton: wpcm450: Fix handling of inverted MFSEL bits
SCS3SEL and KBCCSEL use inverted logic: Whereas in other fields 0
selects the GPIO function and 1 selects the special function, in these
two fields, 0 selects the special function and 1 selects the GPIO
function.

Adjust the code to handle this quirk.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20221105185911.1547847-3-j.neuschaefer@gmx.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 09:19:42 +01:00
Jonathan Neuschäfer
4f1d423cd2 pinctrl: nuvoton: wpcm450: Refactor MFSEL setting code
In preparation for the next patch, which makes the logic around
setting/resetting bits in MFSEL a little more complicated, move that
code to a new function

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20221105185911.1547847-2-j.neuschaefer@gmx.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-10 09:19:42 +01:00
AngeloGioacchino Del Regno
fed74d7527 pinctrl: mediatek: common-v2: Fix bias-disable for PULL_PU_PD_RSEL_TYPE
In pinctrl-paris we're calling the .bias_set_combo() callback when we
are asked to set the pin bias to either pull up/down or pull disable.

On newer platforms, this callback is mtk_pinconf_bias_set_combo(),
located in pinctrl-mtk-common-v2.c: this will check the "pull type"
assigned to the requested pin and in case said pin's pull type is
MTK_PULL_PU_PD_RSEL_TYPE, this function will set RSEL first, PUPD
last, which is fine.

The issue comes when we're requesting PIN_CONFIG_BIAS_DISABLE, as
this does *not* require setting RSEL but only PU_PD: in this case,
the arg is MTK_DISABLE (zero), which is not a supported RSEL, due
to which function mtk_pinconf_bias_set_rsel() returns a failure;
because of that, mtk_pinconf_bias_set_pu_pd() is never called,
hence the pin bias is never set to DISABLE.

To fix this issue, add a check to mtk_pinconf_bias_set_rsel(): if
we are entering that function with no pullup requested and at the
same time the arg is MTK_DISABLE, this means that we're trying to
disable pin bias, hence it's safe to return cleanly without ever
setting any RSEL register.
This makes mtk_pinconf_bias_set_combo() happy, going on with setting
the PU_PD registers, which is the only action to actually take to
disable bias on a pin/pingroup.

Fixes: fb34a9ae38 ("pinctrl: mediatek: support rsel feature")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221104105605.33720-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-09 09:34:38 +01:00
Jonathan Neuschäfer
97775ebbe8 pinctrl: nuvoton: wpcm450: Convert irqchip to IRQCHIP_IMMUTABLE
Commit 6c846d026d ("gpio: Don't fiddle with irqchips marked as
immutable") added a warning for irqchips that are not marked with
IRQCHIP_IMMUTABLE.

Convert the pinctrl-wpcm450 driver to an immutable irqchip.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20221031222833.201322-1-j.neuschaefer@gmx.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-09 09:27:53 +01:00
Andy Shevchenko
b14ef61314 pinctrl: intel: Add Intel Moorefield pin controller support
This driver adds pinctrl support for Intel Moorefield. The IP block
which is called Family-Level Interface Shim is a separate entity in SoC.
The GPIO driver, which supports this pinctrl interface, will be
submitted separately.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2022-11-08 16:28:17 +02:00
Anjana Hari
f04a2862f9 pinctrl: qcom: sc8280xp: Rectify UFS reset pins
UFS reset pin offsets are wrongly configured for SC8280XP,
correcting the same for both UFS instances here.

Signed-off-by: Anjana Hari <quic_ahari@quicinc.com>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # QDrive3
Link: https://lore.kernel.org/r/20221103181051.26912-1-quic_bjorande@quicinc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-08 15:03:24 +01:00
Shenwei Wang
7c3ccedaf7 pinctrl: freescale: add pad wakeup config
add the logic to configure the pad wakeup function via
the pin_config_set handler.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20221027130859.1444412-5-shenwei.wang@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-08 11:25:52 +01:00
Balsam CHIHI
cdb6f424e9 pinctrl: mediatek: mt8365: use mt8365_set_clr_mode() callback
On MT8365, the SET/CLR of the mode is broken and some pin modes won't
be set correctly.
Use the mt8365_set_clr_mode() callback to fix the issue.

Co-developed-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Link: https://lore.kernel.org/r/20221021084708.1109986-3-bchihi@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-07 15:42:53 +01:00
Balsam CHIHI
d459a23522 pinctrl: mediatek: common: add mt8365_set_clr_mode() callback for broken SET/CLR modes
On MT8365, the SET/CLR of the mode is broken and some pin modes won't
be set correctly.
Add mt8365_set_clr_mode() callback for such SoCs, so that instead of
using the SET/CLR register, use the main R/W register to
read/update/write the modes.

Co-developed-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Link: https://lore.kernel.org/r/20221021084708.1109986-2-bchihi@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-07 15:42:53 +01:00
Quentin Schulz
bee55f2e7a pinctrl: rockchip: list all pins in a possible mux route for PX30
The mux routes are incomplete for the PX30. This was discovered because
we had a HW design using cif-clkoutm1 with the correct pinmux in the
Device Tree but the clock would still not work.

There are actually two muxing required: the pin muxing (performed by the
usual Device Tree pinctrl nodes) and the "function" muxing (m0 vs m1;
performed by the mux routing inside the driver). The pin muxing was
correct but the function muxing was not.

This adds the missing pins and their configuration for the mux routes
that are already specified in the driver.

Note that there are some "conflicts": it is possible *in Device Tree* to
(attempt to) mux the pins for e.g. clkoutm1 and clkinm0 at the same time
but this is actually not possible in hardware (because both share the
same bit for the function muxing). Since it is an impossible hardware
design, it is not deemed necessary to prevent the user from attempting
to "misconfigure" the pins/functions.

Fixes: 87065ca9b8 ("pinctrl: rockchip: Add pinctrl support for PX30")
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Link: https://lore.kernel.org/r/20221017-upstream-px30-cif-clkoutm1-v1-0-4ea1389237f7@theobroma-systems.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-07 15:39:38 +01:00
Andy Shevchenko
3886bc3523 pinctrl: merrifield: Use temporary variable for struct device
Use temporary variable for struct device to make code neater.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-11-03 13:43:22 +02:00
Andy Shevchenko
12b44105c0 pinctrl: intel: Use temporary variable for struct device
Use temporary variable for struct device to make code neater.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-11-03 13:43:01 +02:00
Andy Shevchenko
03e9491fff pinctrl: qcom: lpass-lpi: Add missed bitfield.h
Previously the cleanup change dropped the bitfield.h from the
pinctrl-lpass-lpi.h, since it's not used there, but forgot to
re-instantiate it in the C-file, where users are located.

Fix this by adding missed bitfield.h to the C-file.

Fixes: aa9430f8a6 ("pinctrl: qcom: Add missing header(s)")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2022-11-01 17:03:18 +02:00
Andy Shevchenko
98e63c1140 pinctrl: intel: Use str_enable_disable() helper
Use str_enable_disable() helper instead of open coding the same.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2022-10-26 16:45:01 +03:00
Andy Shevchenko
1177ca3a0b pinctrl: tigerlake: Deduplicate COMMUNITY macro code
Define a common COMMUNITY macro and supply a variant to it.
This removes some verbosity in macros.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-10-26 14:54:12 +03:00
Andy Shevchenko
2d145b8bd3 pinctrl: sunrisepoint: Deduplicate COMMUNITY macro code
Define a common COMMUNITY macro and supply a variant to it.
This removes some verbosity in macros.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-10-26 14:54:12 +03:00
Andy Shevchenko
ac51b59dff pinctrl: icelake: Deduplicate COMMUNITY macro code
Define a common COMMUNITY macro and supply a variant to it.
This removes some verbosity in macros.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-10-26 14:54:11 +03:00
Andy Shevchenko
b62241545b pinctrl: cannonlake: Deduplicate COMMUNITY macro code
Define a common COMMUNITY macro and supply a variant to it.
This removes some verbosity in macros.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-10-26 14:54:11 +03:00
Andy Shevchenko
de1fabef28 pinctrl: alderlake: Deduplicate COMMUNITY macro code
Define a common COMMUNITY macro and supply a variant to it.
This removes some verbosity in macros.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2022-10-26 14:54:11 +03:00