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Message-Id: <20250609-aaeon-up-board-pinctrl-support-v7-0-1ab73ec0cb98@bootlin.com>
Date: Mon, 09 Jun 2025 11:50:58 +0200
From: Thomas Richard <thomas.richard@...tlin.com>
To: Linus Walleij <linus.walleij@...aro.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Bartosz Golaszewski <brgl@...ev.pl>,
Geert Uytterhoeven <geert+renesas@...der.be>, Kees Cook <kees@...nel.org>,
Andy Shevchenko <andy@...nel.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
thomas.petazzoni@...tlin.com, DanieleCleri@...on.eu, GaryWang@...on.com.tw,
linux-hardening@...r.kernel.org,
Thomas Richard <thomas.richard@...tlin.com>
Subject: [PATCH v7 00/10] Add pinctrl support for the AAEON UP board FPGA
This is the seventh version of this series. Only few changes, the series has
been rebased on v6.16-rc1, the pinctrl patches were dropped as they were
already merged and a fix was added in upboard_pinctrl_dbg_show() to handle
the case upboard_pinctrl_pin_get_mode() returns an error.
Best Regards,
Thomas
Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
---
Changes in v7:
- all: rebase on v6.16-rc1.
- pinctrl: take Reviewed-by tag
- pinctrl: handle negative error code returned by
upboard_pinctrl_pin_get_mode() in upboard_pinctrl_dbg_show().
- Link to v6: https://lore.kernel.org/r/20250520-aaeon-up-board-pinctrl-support-v6-0-dcb3756be3c6@bootlin.com
Changes in v6:
- all: take Reviewed-by tags.
- all: fix some nitpicks.
- gpiolib: fix error reported by kernel test robot.
- gpio: aggregator: handle correctly err_ptr returned by
devm_gpiochip_fwd_alloc().
- gpio: aggregator: rework naming of GPIO fowarder API.
- gpio: aggregator: all functions of GPIO fowarder API now take a gpiochip_fwd ptr as
parameter.
- gpio: aggregator: fix some typos in kernel-doc and comments.
- gpio: aggregator: in forwarder.h, remove unused linux/gpio/consumer.h and
linux/gpio/driver.h header files.
- gpio: aggregator: add missing forward declaration in forwarder.h (struct
gpio_desc and struct gpio_chip).
- gpio: aggregator: get_direction() operation now returns -ENODEV if there is no
GPIO descriptor for the line.
- gpio: aggregator: handle correctly ptr returned by devm_gpiochip_fwd_alloc().
- gpio: aggregator: free GPIO desc array after gpiochip_fwd_create().
- pinctrl-upboard: remove useless cast in UPBOARD_UP_PIN_MUX() UPBOARD_UP_PIN_FUNC() macros.
- pinctrl-upboard: rework the pinctrl mapping part (new struct upboard_pinctrl_map).
- Link to v5: https://lore.kernel.org/r/20250506-aaeon-up-board-pinctrl-support-v5-0-3906529757d2@bootlin.com
Changes in v5:
- all: improve commit messages, fix some typos and nitpicks.
- pinctrl: machine.h: add "Suggested-by: Andy Shevchenko <andy@...nel.org>"
and "Reviewed-by: Andy Shevchenko <andy@...nel.org>" tags.
- pinctrl: core: fix kernel doc for devm_pinctrl_register_mappings().
- pinctrl: core: do not cast pointer in devm_pinctrl_unregister_mappings().
- gpio: aggregator: remove a useless check in patch 5/12.
- gpio: aggregator: fix condition to identify if the gpiochip forwarder can
sleep or not.
- gpio: aggregator: add "Reviewed-by: Andy Shevchenko <andy@...nel.org>" tag
in patch 10/12
- string_choices: add "Suggested-by: Andy Shevchenko <andy@...nel.org>" and
"Reviewed-by: Andy Shevchenko <andy@...nel.org>" tags.
- string_choices: add missing parameter for str_output_input() macro.
- Link to v4: https://lore.kernel.org/r/20250429-aaeon-up-board-pinctrl-support-v4-0-b3fffc11417d@bootlin.com
Changes in v4:
- gpiolib: use positive conditonal in gpiochip_add_pin_range_with_pins().
- pinctrl: fix warning reported by kernel robot in
include/linux/pinctrl/machine.h.
- pinctrl: add a patch to remove the extern specifier in machine.h.
- pinctrl: use devm_add_action_or_reset() in
devm_pinctrl_register_mappings().
- string_choices: add a patch to define str_input_output() and
str_output_input() helpers.
- gpio: aggregator: set gpiochip_fwd as opaque and define getters
gpio_fwd_get_gpiochip() and gpio_fwd_get_data().
- gpio: aggregator: add valid_mask in gpiochip_fwd struct to track already
registered gpio descs.
- gpio: aggregator: add gpio_fwd_gpio_free() helper.
- gpio: aggregator: add kdoc sections for exported functions.
- gpio: aggregator: fix some nitpicks.
- pinctrl-upboard: use str_input_output() helper.
- pinctrl-upboard: fix some nitpicks.
- pinctrl-upboard: add missing headers stddef.h and types.h.
- pinctrl-upboard: add intermediate cast (unsigned long) for dmi_id->driver_data.
- pinctrl-upboard: use getter gpio_fwd_get_gpiochip() and
gpio_fwd_get_data().
- pinctrl-upboard: fix kernel robot warning 'unmet direct dependencies detected
for GPIO_AGGREGATOR when selected by PINCTRL_UPBOARD'.
- pinctrl-upboard: use gpio_fwd_gpio_free() helper.
- Link to v3: https://lore.kernel.org/r/20250416-aaeon-up-board-pinctrl-support-v3-0-f40776bd06ee@bootlin.com
Changes in v3:
- pinctrl: add devm_pinctrl_register_mappings()
- gpiolib: rename gpiochip_add_pin_range() to
gpiochip_add_pin_range_with_pins() and add pins parameter
- gpiolib: add stubs gpiochip_add_pin_range() and
gpiochip_add_sparse_pin_range()
- aggregator: split to more simpler patches
- aggregator: add a namespace for the forwarder library
- aggregator: rename header file to forwarder.h
- aggregator: add some missing headers and declaration in forwarder.h
- aggregator: forwarder.h provides consumer.h and driver.h
- aggregator: fix error code returned by gpio_fwd_request()
- pinctrl-upboard: fix order of header files
- pinctrl-upboard: fix some nitpicks
- pinctrl-upboard: rework macros to define pin groups
- pinctrl-upboard: add missing container_of.h and err.h header files
- pinctrl-upboard: handle correctly pointer returned by dmi_first_match()
- pinctrl-upboard: use devm_pinctrl_register_mappings()
- pinctrl-upboard: import GPIO_FORWARDER namespace
- Link to v2: https://lore.kernel.org/r/20250317-aaeon-up-board-pinctrl-support-v2-0-36126e30aa62@bootlin.com
Changes in v2:
- mfd: removed driver (already merged)
- led: removed driver (already merged)
- gpio-aggregator: refactor code to create a gpio-fwd library
- pinctrl: refactor gpio part to use the gpio-fwd library
- pinctrl: add pinctrl mappings for each board
---
Thomas Richard (10):
gpiolib: add support to register sparse pin range
gpio: aggregator: move GPIO forwarder allocation in a dedicated function
gpio: aggregator: refactor the code to add GPIO desc in the forwarder
gpio: aggregator: refactor the forwarder registration part
gpio: aggregator: update gpiochip_fwd_setup_delay_line() parameters
gpio: aggregator: export symbols of the GPIO forwarder library
gpio: aggregator: handle runtime registration of gpio_desc in gpiochip_fwd
gpio: aggregator: add possibility to attach data to the forwarder
lib/string_choices: Add str_input_output() helper
pinctrl: Add pin controller driver for AAEON UP boards
drivers/gpio/gpio-aggregator.c | 387 ++++++++++++--
drivers/gpio/gpiolib.c | 29 +-
drivers/pinctrl/Kconfig | 19 +
drivers/pinctrl/Makefile | 1 +
drivers/pinctrl/pinctrl-upboard.c | 1070 +++++++++++++++++++++++++++++++++++++
include/linux/gpio/driver.h | 51 +-
include/linux/gpio/forwarder.h | 41 ++
include/linux/string_choices.h | 6 +
8 files changed, 1546 insertions(+), 58 deletions(-)
---
base-commit: d9946fe286439c2aeaa7953b8c316efe5b83d515
change-id: 20240930-aaeon-up-board-pinctrl-support-98fa4a030490
Best regards,
--
Thomas Richard <thomas.richard@...tlin.com>
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