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Now that pinctrl_gpio_direction_output() is no longer used, let's drop
the '_new' suffix from its improved variant.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Now that pinctrl_gpio_direction_input() is no longer used, let's drop the
'_new' suffix from its improved variant.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Now that pinctrl_gpio_free()() is no longer used, let's drop the '_new'
suffix from its improved variant.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Now that pinctrl_gpio_request() is no longer used, let's drop the '_new'
suffix from its improved variant.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Replace the pinctrl helpers taking the global GPIO number as argument
with the improved variants that instead take a pointer to the GPIO chip
and the controller-relative offset.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
New drivers:
- Realtek RTD family pin control driver and RTD1619B,
RTD1319D and RTD1315E subdrivers.
- Nuvoton NPCM8xx combined pin control and GPIO driver.
- Amlogic T7 pin control driver.
- Renesas RZ/G3S pin control driver.
Improvements:
- A number of additional UART groups added to the Mediatek
MT7981 driver.
- MPM pin maps added for Qualcomm MSM8996, SM6115, SM6125
and SDM660.
- Extra GPIO banks for the Sunxi H616.
- MLSP I2C6 function support in Qualcomm MSM8226.
- Some __counted_by() annotations for dynamic arrays.
- Ongoing work to make remove() return void.
- LSBC groups and functions in the Renesas R8A7778.
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Merge tag 'pinctrl-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"No pin control core changes this time.
New drivers:
- Realtek RTD family pin control driver and RTD1619B, RTD1319D and
RTD1315E subdrivers
- Nuvoton NPCM8xx combined pin control and GPIO driver
- Amlogic T7 pin control driver
- Renesas RZ/G3S pin control driver
Improvements:
- A number of additional UART groups added to the Mediatek MT7981
driver
- MPM pin maps added for Qualcomm MSM8996, SM6115, SM6125 and SDM660
- Extra GPIO banks for the Sunxi H616
- MLSP I2C6 function support in Qualcomm MSM8226
- Some __counted_by() annotations for dynamic arrays
- Ongoing work to make remove() return void
- LSBC groups and functions in the Renesas R8A7778"
* tag 'pinctrl-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (110 commits)
pinctrl: Use device_get_match_data()
dt-bindings: pinctrl: qcom,sa8775p-tlmm: add missing wakeup-parent
dt-bindings: pinctrl: nuvoton,npcm845: Add missing additionalProperties on gpio child nodes
dt-bindings: pinctrl: brcm: Ensure all child node properties are documented
pinctrl: renesas: rzn1: Convert to platform remove callback returning void
pinctrl: renesas: rzg2l: Add RZ/G3S support
dt-bindings: pinctrl: renesas: Document RZ/G3S SoC
pinctrl: renesas: rzg2l: Add support for different DS values on different groups
pinctrl: renesas: rzg2l: Move DS and OI to SoC-specific configuration
pinctrl: renesas: rzg2l: Adapt function number for RZ/G3S
pinctrl: renesas: rzg2l: Adapt for different SD/PWPR register offsets
pinctrl: renesas: rzg2l: Index all registers based on port offset
pinctrl: renesas: rzg2l: Add validation of GPIO pin in rzg2l_gpio_request()
pinctrl: renesas: r8a7778: Add LBSC pins, groups, and functions
pinctrl: intel: fetch community only when we need it
pinctrl: cherryview: reduce scope of PIN_CONFIG_BIAS_HIGH_IMPEDANCE case
pinctrl: cherryview: Convert to platform remove callback returning void
pinctrl: sprd-sc9860: Convert to platform remove callback returning void
pinctrl: qcom/msm: Convert to platform remove callback returning void
pinctrl: qcom/lpi: Convert to platform remove callback returning void
...
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231009083856.222030-20-u.kleine-koenig@pengutronix.de
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add basic support for RZ/G3S to be able to boot from SD card, have a
running console port, and use GPIOs. RZ/G3S has 82 general-purpose IO
ports. Support for the remaining pin functions (e.g. Ethernet, XSPI)
will be added along with controller-specific support.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-22-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
RZ/G3S supports different drive strength values for different power
sources and pin groups (A, B, C). On each group there could be up to 4
drive strength values per power source. Available power sources are
1v8, 2v5, 3v3. Drive strength values are more fine tuned than what was
previously available on the driver thus the necessity of having
micro-amp support. As drive strength and power source values are linked
together the hardware setup for these was moved at the end of
rzg2l_pinctrl_pinconf_set() to ensure proper validation of the new
values.
The drive strength values are expected to be initialized though the
SoC-specific hardware configuration data structure.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-19-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Move drive strength and output impedance values to the SoC-specific
configuration data structure (struct rzg2l_hwcfg). This allows
extending the drive strength support for RZ/G3S. Along with this the DS
values were converted to uA for simple integration with RZ/G3S support.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-18-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
On RZ/G3S PFC register allow setting 8 functions for individual ports
(function1 to function8). For function1 the register need to be
configured with 0, for function8 the register need to be configured with
7. We cannot use zero based addressing when requesting functions from
different code places as the documentation
(RZG3S_pinfunction_List_r1.0.xlsx) states explicitly that function0 is
GPIO.
Add a new member to struct rzg2l_hwcfg that will keep the offset that
needs to be substracted before applying a value to a PFC register.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-17-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
SD, PWPR power registers have different offsets b/w RZ/G2L and RZ/G3S.
Add a per SoC configuration data structure that is initialized with the
proper register offsets for individual SoCs. The rzg2l_hwcfg structure
will be extended further in later commits.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230929053915.1530607-16-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
To get the address that needs to be read/written for specific port
functionalities, the P(), PM(), PMC(), PFC(), PIN(), IOLH() IEN(),
ISEL() macros are used. Some of these macros receive as argument the
hardware port identifier, some the hardware port offset address (e.g.
ISEL() received port identifier, IOLH() received port offset address).
This makes it hard to extend the current driver for SoCs where port
identifiers are not contiguous in the memory map of the pin controller.
This is the case for the RZ/G3S pin controller where ports are mapped as
follows:
port offset port identifier
----------- ---------------
0x20 P0
0x21 P5
0x22 P6
0x23 P11
0x24 P12
0x25 P13
0x26 P14
0x27 P15
0x28 P16
0x29 P17
0x2a P18
0x30 P1
0x31 P2
0x32 P3
0x33 P4
0x34 P7
0x35 P8
0x36 P8
0x37 P10
To make this achievable, change all the above macros used to get the
address of a port register for a specific port functionality based on
the port hardware address. Summarized, all the above macros will get as
argument the port offset address listed in the above table.
With this RZG2L_SINGLE_PIN_GET_PORT_OFFSET(),
RZG2L_PIN_ID_TO_PORT_OFFSET() and RZG2L_GPIO_PORT_GET_INDEX() were
replaced by RZG2L_PIN_CFG_TO_PORT_OFFSET(); RZG2L_SINGLE_PIN_GET_CFGS()
and RZG2L_GPIO_PORT_GET_CFGS() were replaced by RZG2L_PIN_CFG_TO_CAPS().
Also rzg2l_pinctrl_set_pfc_mode() does not need the port argument
anymore. Also rzg2l_gpio_direction_input() and
rzg2l_gpio_direction_output() do not need to translate port and bit
locally as this can be done by rzg2l_gpio_set_direction().
To use the same naming for port, bit/pin, and register offset, replace
the port_offset variable names in different places by variables named
off. There is no longer a need to initialize cfg and bit in different
code places.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20230929053915.1530607-15-claudiu.beznea@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Validate the GPIO pin request in the rzg2l_gpio_request() callback using
the rzg2l_validate_gpio_pin() function. This stops any accidental usage
of GPIO pins which are not supported by the SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://lore.kernel.org/r/20230925154548.27048-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Enable pin muxing (eg. programmable function), so that the RZ/N1 GPIO
pins will be configured as specified by the pinmux in the DTS.
This used to be enabled implicitly via CONFIG_GENERIC_PINMUX_FUNCTIONS,
however that was removed, since the RZ/N1 driver does not call any of
the generic pinmux functions.
Fixes: 1308fb4e4e ("pinctrl: rzn1: Do not select GENERIC_PIN{CTRL_GROUPS,MUX_FUNCTIONS}")
Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231004200008.1306798-1-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We usually do reverse order of enable() for disable(). Currently, the
ordering of irq_chip_disable_parent() is not correct in
rzg2l_gpio_irq_disable(). Fix the incorrect order.
Fixes: db2e5f21a4 ("pinctrl: renesas: pinctrl-rzg2l: Add IRQ domain to handle GPIO interrupt")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230918123355.262115-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
No core changes this time.
Drivers:
- Intel Tangier SoC pin control support.
- AMLogic C3 SoC pin control support.
- Texas Instruments AM654 SoC pin control support.
- Qualcomm SM8350 and SM6115 LPASS (Low Power Audio Sub-System)
pin control support.
- Qualcomm PMX75 and PM7550BA (Power Management) pin control
support.
- Qualcomm PMC8180 and PMC8180C (Power Management) pin control
support.
- DROP the Oxnas driver as there is not enough of community
interest to keep carrying this ARM(11) port.
Enhancements:
- Bias control in the MT7986 pin control driver.
- Misc device tree binding enhancements such as the Broadcom
11351 being converted to YAML.
- New macro: DEFINE_NOIRQ_DEV_PM_OPS() put to use.
- Clean up some SPDX headers.
- Handle non-unique devicetree subnode names in two Renesas
drivers.
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Merge tag 'pinctrl-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"We have some patches to DTS[I] files in arm and arm64 as well, that
were merged here as DT headers were being changed.
The most interesting stuff is the Intel Tangier chip support and
AMLogic C3 in my opinion.
No core changes this time.
Drivers:
- Intel Tangier SoC pin control support
- AMLogic C3 SoC pin control support
- Texas Instruments AM654 SoC pin control support
- Qualcomm SM8350 and SM6115 LPASS (Low Power Audio Sub-System) pin
control support
- Qualcomm PMX75 and PM7550BA (Power Management) pin control support
- Qualcomm PMC8180 and PMC8180C (Power Management) pin control
support
- DROP the Oxnas driver as there is not enough of community interest
to keep carrying this ARM(11) port
Enhancements:
- Bias control in the MT7986 pin control driver
- Misc device tree binding enhancements such as the Broadcom 11351
being converted to YAML
- New macro: DEFINE_NOIRQ_DEV_PM_OPS() put to use
- Clean up some SPDX headers
- Handle non-unique devicetree subnode names in two Renesas drivers"
* tag 'pinctrl-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (80 commits)
pinctrl: mlxbf3: Remove gpio_disable_free()
pinctrl: use capital "OR" for multiple licenses in SPDX
dt-bindings: pinctrl: renesas,rza2: Use 'additionalProperties' for child nodes
pinctrl: cherryview: fix address_space_handler() argument
pinctrl: intel: consolidate ACPI dependency
pinctrl: tegra: Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pinctrl: renesas: Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pinctrl: mvebu: Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pinctrl: at91: Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pinctrl: cherryview: Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pm: Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper
pinctrl: mediatek: assign functions to configure pin bias on MT7986
pinctrl: mediatek: fix pull_type data for MT7981
dt-bindings: pinctrl: aspeed: Allow only defined pin mux node properties
dt-bindings: pinctrl: Drop 'phandle' properties
pinctrl: lynxpoint: Make use of pm_ptr()
pinctrl: baytrail: Make use of pm_ptr()
pinctrl: intel: Switch to use exported namespace
pinctrl: lynxpoint: reuse common functions from pinctrl-intel
pinctrl: cherryview: reuse common functions from pinctrl-intel
...
* New library driver for Intel MID to deduplicate code (Raag Jadav)
* Reuse common functions from pinctrl-intel to reduce the code (Raag Jadav)
* Move most of the exported functions to the PINCTRL_INTEL namespace
* Make use of pm_ptr() in Bay Trail and Lynxpoint drivers
* Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper and use it in a few drivers
* Consolidata ACPI dependency in Kconfig (Raag Jadav)
* Fix address_space_handler() argument in Cherryview driver (Raag Jadav)
* Optinmize byt_pin_config_set() to avoid IO in error cases (Raag Jadav)
The following is an automated git shortlog grouped by driver:
at91:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
baytrail:
- Make use of pm_ptr()
- reuse common functions from pinctrl-intel
- consolidate common mask operation
cherryview:
- fix address_space_handler() argument
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
- reuse common functions from pinctrl-intel
intel:
- consolidate ACPI dependency
- Switch to use exported namespace
- export common pinctrl functions
lynxpoint:
- Make use of pm_ptr()
- reuse common functions from pinctrl-intel
Merge patch series:
- Merge patch series "Introduce Intel Tangier pinctrl driver"
- Merge patch series "Reuse common functions from pinctrl-intel"
merrifield:
- Adapt to Intel Tangier driver
moorefield:
- Adapt to Intel Tangier driver
mvebu:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pm:
- Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper
renesas:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
tangier:
- Introduce Intel Tangier driver
tegra:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
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Merge tag 'intel-pinctrl-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v6.6-1
* New library driver for Intel MID to deduplicate code (Raag Jadav)
* Reuse common functions from pinctrl-intel to reduce the code (Raag Jadav)
* Move most of the exported functions to the PINCTRL_INTEL namespace
* Make use of pm_ptr() in Bay Trail and Lynxpoint drivers
* Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper and use it in a few drivers
* Consolidata ACPI dependency in Kconfig (Raag Jadav)
* Fix address_space_handler() argument in Cherryview driver (Raag Jadav)
* Optinmize byt_pin_config_set() to avoid IO in error cases (Raag Jadav)
The following is an automated git shortlog grouped by driver:
at91:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
baytrail:
- Make use of pm_ptr()
- reuse common functions from pinctrl-intel
- consolidate common mask operation
cherryview:
- fix address_space_handler() argument
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
- reuse common functions from pinctrl-intel
intel:
- consolidate ACPI dependency
- Switch to use exported namespace
- export common pinctrl functions
lynxpoint:
- Make use of pm_ptr()
- reuse common functions from pinctrl-intel
Merge patch series:
- Merge patch series "Introduce Intel Tangier pinctrl driver"
- Merge patch series "Reuse common functions from pinctrl-intel"
merrifield:
- Adapt to Intel Tangier driver
moorefield:
- Adapt to Intel Tangier driver
mvebu:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
pm:
- Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper
renesas:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
tangier:
- Introduce Intel Tangier driver
tegra:
- Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since pm.h provides a helper for system no-IRQ PM callbacks,
switch the driver to use it instead of open coded variant.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230717172821.62827-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The pinctrl group and function creation/remove calls expect
caller to take care of locking. Add lock around these functions.
Fixes: b59d0e7827 ("pinctrl: Add RZ/A2 pin and gpio controller")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230815131558.33787-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fix the below random NULL pointer crash during boot by serializing
pinctrl group and function creation/remove calls in
rzv2m_dt_subnode_to_map() with mutex lock.
Crash logs:
pc : __pi_strcmp+0x20/0x140
lr : pinmux_func_name_to_selector+0x68/0xa4
Call trace:
__pi_strcmp+0x20/0x140
pinmux_generic_add_function+0x34/0xcc
rzv2m_dt_subnode_to_map+0x2e4/0x418
rzv2m_dt_node_to_map+0x15c/0x18c
pinctrl_dt_to_map+0x218/0x37c
create_pinctrl+0x70/0x3d8
While at it, add a comment for lock.
Fixes: 92a9b82525 ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230815131558.33787-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fix the below random NULL pointer crash during boot by serializing
pinctrl group and function creation/remove calls in
rzg2l_dt_subnode_to_map() with mutex lock.
Crash log:
pc : __pi_strcmp+0x20/0x140
lr : pinmux_func_name_to_selector+0x68/0xa4
Call trace:
__pi_strcmp+0x20/0x140
pinmux_generic_add_function+0x34/0xcc
rzg2l_dt_subnode_to_map+0x314/0x44c
rzg2l_dt_node_to_map+0x164/0x194
pinctrl_dt_to_map+0x218/0x37c
create_pinctrl+0x70/0x3d8
While at it, add comments for bitmap_lock and lock.
Fixes: c4c4637eb5 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver")
Tested-by: Chris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230815131558.33787-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
- Use the new devm_clk_get_enabled() helper.
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Merge tag 'renesas-pinctrl-for-v6.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.6
- Use the new devm_clk_get_enabled() helper.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The devm_clk_get_enabled() helper:
- calls devm_clk_get()
- calls clk_prepare_enable() and registers what is needed in order to
call clk_disable_unprepare() when needed, as a managed resource.
This simplifies the code and avoids the need of a dedicated function used
with devm_add_action_or_reset().
While at it, use dev_err_probe() which filters -EPROBE_DEFER.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/a4a586337d692f0ca396b80d275ba634eb419593.1690058500.git.christophe.jaillet@wanadoo.fr
[geert: Make clk local to rzg2l_pinctrl_probe()]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230714174901.4062397-1-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Currently, sd1 and sd0 have unique subnode names 'sd1_mux' and 'sd0_mux'.
If we change these to non-unique subnode names such as 'mux' this can
lead to the below conflict as the RZ/G2L pin control driver considers
only the names of the subnodes.
pinctrl-rzg2l 11030000.pinctrl: pin P47_0 already requested by 11c00000.mmc; cannot claim for 11c10000.mmc
pinctrl-rzg2l 11030000.pinctrl: pin-376 (11c10000.mmc) status -22
pinctrl-rzg2l 11030000.pinctrl: could not request pin 376 (P47_0) from group mux on device pinctrl-rzg2l
renesas_sdhi_internal_dmac 11c10000.mmc: Error applying setting, reverse things back
Fix this by constructing unique names from the node names of both the
pin control configuration node and its child node, where appropriate.
Based on the work done by Geert for the RZ/V2M pinctrl driver.
Fixes: c4c4637eb5 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230704111858.215278-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The eMMC and SDHI pin control configuration nodes in DT have subnodes
with the same names ("data" and "ctrl"). As the RZ/V2M pin control
driver considers only the names of the subnodes, this leads to
conflicts:
pinctrl-rzv2m b6250000.pinctrl: pin P8_2 already requested by 85000000.mmc; cannot claim for 85020000.mmc
pinctrl-rzv2m b6250000.pinctrl: pin-130 (85020000.mmc) status -22
renesas_sdhi_internal_dmac 85020000.mmc: Error applying setting, reverse things back
Fix this by constructing unique names from the node names of both the
pin control configuration node and its child node, where appropriate.
Reported by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Fixes: 92a9b82525 ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Link: https://lore.kernel.org/r/607bd6ab4905b0b1b119a06ef953fa1184505777.1688396717.git.geert+renesas@glider.be
Perform 's@ \t@\t\t@g' so we wouldn't have spaces followed by tabs.
No functional change.
Picked from U-Boot commit 0cf207ec01c ("WS cleanup: remove SPACE(s) followed by TAB")
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230507130120.7587-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Core changes:
- Make a lot of pin controllers with GPIO and irqchips immutable,
i.e. not living structs, but const structs. This is driving a
changed initiated by the irqchip maintainers.
New drivers:
- New driver for the NXP S32 SoC pin controller
- As part of a thorough cleanup and restructuring of the
Ralink/Mediatek drivers, the Ralink MIPS pin control drivers
were folded into the Mediatek directory and the family is
renamed "mtmips". The Ralink chips live on as Mediatek MIPS
family where new variants can be added. As part of this work
also the device tree bindings were reworked.
- New subdriver for the Qualcomm SM7150 SoC.
- New subdriver for the Qualcomm IPQ9574 SoC.
- New driver for the nVidia BlueField-3 SoC.
- Support for the Qualcomm PMM8654AU mixed signal circuit GPIO.
- Support for the Qualcomm PMI632 mixed signal circuit GPIO.
Improvements:
- Add some missing pins and generic cleanups on the Renesas
r8a779g0 and r8a779g0 pin controllers. Generic Renesas
extension for power source selection on several SoCs.
- Misc cleanups for the Atmel AT91 and AT91-PIO4 pin
controllers
- Make the GPIO mode work on the Qualcomm SM8550-lpass-lpi
driver.
- Several device tree binding cleanups as the binding
YAML syntax is solidifying.
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Merge tag 'pinctrl-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Mostly drivers! Nothing special: some new Qualcomm chips as usual, and
the new NXP S32 and nVidia BlueField-3.
Core changes:
- Make a lot of pin controllers with GPIO and irqchips immutable,
i.e. not living structs, but const structs. This is driving a
changed initiated by the irqchip maintainers.
New drivers:
- New driver for the NXP S32 SoC pin controller
- As part of a thorough cleanup and restructuring of the
Ralink/Mediatek drivers, the Ralink MIPS pin control drivers were
folded into the Mediatek directory and the family is renamed
"mtmips". The Ralink chips live on as Mediatek MIPS family where
new variants can be added. As part of this work also the device
tree bindings were reworked.
- New subdriver for the Qualcomm SM7150 SoC.
- New subdriver for the Qualcomm IPQ9574 SoC.
- New driver for the nVidia BlueField-3 SoC.
- Support for the Qualcomm PMM8654AU mixed signal circuit GPIO.
- Support for the Qualcomm PMI632 mixed signal circuit GPIO.
Improvements:
- Add some missing pins and generic cleanups on the Renesas r8a779g0
and r8a779g0 pin controllers. Generic Renesas extension for power
source selection on several SoCs.
- Misc cleanups for the Atmel AT91 and AT91-PIO4 pin controllers
- Make the GPIO mode work on the Qualcomm SM8550-lpass-lpi driver.
- Several device tree binding cleanups as the binding YAML syntax is
solidifying"
* tag 'pinctrl-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (153 commits)
pinctrl-bcm2835.c: fix race condition when setting gpio dir
dt-bindings: pinctrl: qcom,sm8150: Drop duplicate function value "atest_usb2"
dt-bindings: pinctrl: qcom: Add few missing functions
pinctrl: qcom: spmi-gpio: Add PMI632 support
dt-bindings: pinctrl: qcom,pmic-gpio: add PMI632
pinctrl: wpcm450: select MFD_SYSCON
pinctrl: qcom ssbi-gpio: Convert to immutable irq_chip
pinctrl: qcom ssbi-mpp: Convert to immutable irq_chip
pinctrl: qcom spmi-mpp: Convert to immutable irq_chip
pinctrl: plgpio: Convert to immutable irq_chip
pinctrl: pistachio: Convert to immutable irq_chip
pinctrl: pic32: Convert to immutable irq_chip
pinctrl: sx150x: Convert to immutable irq_chip
pinctrl: stmfx: Convert to immutable irq_chip
pinctrl: st: Convert to immutable irq_chip
pinctrl: mcp23s08: Convert to immutable irq_chip
pinctrl: equilibrium: Convert to immutable irq_chip
pinctrl: npcm7xx: Convert to immutable irq_chip
pinctrl: armada-37xx: Convert to immutable irq_chip
pinctrl: nsp: Convert to immutable irq_chip
...
Since commit 8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
are used to identify modules. As a consequence, uses of the macro
in non-modules will cause modprobe to misidentify their containing
object file as a module when it is not (false positives), and modprobe
might succeed rather than failing with a suitable error message.
So remove it in the files in this commit, none of which can be built as
modules.
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: linux-modules@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Hitomi Hasegawa <hasegawa-hitomi@fujitsu.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
As the of_node member of struct device always exists, and there is a
dummy of of_device_get_match_data() for the !CONFIG_OF case, there is no
longer a need to protect code using these interfaces with an #ifdef.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/55d72ce46b43ec2f41681cb5ba7ca7fcebdb98d1.1679416005.git.geert+renesas@glider.be
Currently, the Renesas pin control driver supports pins that can switch
their I/O voltage levels between either 1.8V and 3.3V, or between 2.5V
and 3.3V. However, some SoCs have pins that can switch between 1.8V and
2.5V.
Add support for this by replacing the separate SH_PFC_PIN_CFG_IO_VOLTAGE
capability and voltage level flags by a 2-bit field, to cover three
possible I/O voltage switching options.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/0c04925457bf3f7e78e7e3851528d9a4c29246da.1678271030.git.geert+renesas@glider.be
Commit 537db25ca3 ("pinctrl: renesas: Add I/O voltage level
flag") introduced new flags to support pins that can switch their
voltage levels between either 1.8V and 3.3V, or between 2.5V and 3.3V.
The old SH_PFC_PIN_CFG_IO_VOLTAGE flag was retained to avoid having to
change existing drivers.
Replace SH_PFC_PIN_CFG_IO_VOLTAGE by SH_PFC_PIN_CFG_IO_VOLTAGE_18_33, to
make the voltage configuration explicit, and to prepare for the advent
of support for more voltage levels.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ae5f879c093f3e3cd50ba1495975bccfad81237b.1678271030.git.geert+renesas@glider.be
The POC Control Register 0 (POCCTRL0) on R-Car D3 is not registered in
the pinmux_ioctrl_regs[] array. Hence it is not saved/restored during
suspend/resume, and its contents may be lost after s2ram.
This went unnoticed when improving suspend/resume support in commit
d92ee9cf8e ("pinctrl: sh-pfc: rcar-gen3: Retain TDSELCTRL register
across suspend/resume").
Fix this by moving the pinmux_ioctrl_regs[] array up, and adding the
POCCTRL0 register.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/d17402b83b1f3fa0f572527c0382027bccb86205.1678271030.git.geert+renesas@glider.be
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds. These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC. Public users only have ES2 onwards.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230307105645.5285-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, the
ERROROUTC signal is active-low. Hence add the missing "_N" suffix to
the pin function's names.
Resize column 2 of all IPxSR* definitions to accomodate the longer
names.
Fixes: b811062e5f ("pinctrl: renesas: r8a779g0: Add missing ERROROUTC_A")
Fixes: ad9bb2fec6 ("pinctrl: renesas: Initial R8A779G0 (R-Car V4H) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1774303989e7d61f08fa81f1c2fa1b394505645f.1669036423.git.geert+renesas@glider.be
