summaryrefslogtreecommitdiff
path: root/drivers/gpio
AgeCommit message (Collapse)Author
2022-10-06gpio: ftgpio010: Add support for Faraday Technology FTGPIO010Sergei Antonov
Add Faraday Technology's FTGPIO010 controller driver. Signed-off-by: Sergei Antonov <[email protected]>
2022-10-03Merge branch 'next'Tom Rini
2022-09-26gpio: turris_omnia_mcu: Fix registering gpiosPali Rohár
Currently all GPIOs supported by CMD_EXT_CONTROL/CMD_GET_EXT_CONTROL_STATUS commands (last 16 GPIOs) are available only when FEAT_PERIPH_MCU feature bit is set. So do not register these GPIOs by U-Boot driver when this feature bit is not set, so U-Boot 'gpio' command would see only GPIOs which really exists. Fixes: 5e4d24ccc115 ("gpio: Add Turris Omnia MCU driver") Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-09-19pinctrl: at91-pio4: Bind GPIO driver to the pinctrl DT nodeSergiu Moga
This has been done in order to align the DT of U-Boot with the DT of Linux. In Linux, a phandle from a '-gpio' DT property is linked to the pinctrl driver, a single driver that handles both pinctrl settings and offers GPIO API to callers. On the other hand, U-Boot redirects such phandle to a corresponding UCLASS_GPIO driver, because U-Boot offers two different types of drivers in this case: UCLASS_PINCTRL which handles pin functions and UCLASS_GPIO which handles gpio requests as a gpio provider. Due to this, we have two drivers in Uboot, but the Devicetree has a single node. Thus, just one of the drivers can be probed for the DT node during platform initialization, before relocation. Our previous solution in U-Boot was to have a different devicetree: the gpio node has a subnode for the pinctrl driver, which is not compliant with Linux ABI. Furthermore, our documentation for this type of nodes mentions no such gpio compatible. After this patch, we can no longer add nodes with a gpio compatible in the DT. Thus, in order to link the pinctrl driver to the gpio one, a hook to the bind method of the former in U-Boot has been added and the GPIO related compatibles have been removed to avoid conflict when compatibles are enumerated and bound to drivers during platform start before relocation. The bind method will attach the GPIO driver to the pinctrl DT node so that every phandle coming from '-gpio' DT properties will be redirected to a valid driver attached to the pinctrl DT node. Signed-off-by: Sergiu Moga <[email protected]>
2022-09-15gpio: sandbox: Add GPIOD_IS_AF for gpio configured in alternate functionPatrice Chotard
This allows to test if a pin's label if displayed using gpio_get_status() when this pin is configured in alternate function. Signed-off-by: Patrice Chotard <[email protected]> Reviewed-by: Simon Glass <[email protected]> Reviewed-by: Patrick Delaunay <[email protected]>
2022-09-15gpio: Fix pin's status display for pin with GPIOF_UNUSED functionPatrice Chotard
Even pin with GPIOF_UNUSED function can have a label. The criteria to add or not a space character is linked to label not to the used/unused status. Signed-off-by: Patrice Chotard <[email protected]> Reviewed-by: Simon Glass <[email protected]> Reviewed-by: Patrick Delaunay <[email protected]>
2022-09-15gpio: Allow to print pin's label even for pin with GPIOF_FUNC functionPatrice Chotard
Currently, if pin's function is GPIOF_FUNC, only "func" if displayed without any other information. It would be interesting, if information is available, to indicate which pinmuxing's name is used. For example, for STM32 SoC's based platform, "gpio status" command output : before Bank GPIOZ: GPIOZ0: unused : 0 [ ] GPIOZ1: unused : 0 [ ] GPIOZ2: unused : 0 [ ] GPIOZ3: unused : 0 [ ] GPIOZ4: func GPIOZ5: func GPIOZ6: unused : 0 [ ] GPIOZ7: unused : 0 [ ] GPIOZ8: unknown GPIOZ9: unknown GPIOZ10: unknown GPIOZ11: unknown GPIOZ12: unknown GPIOZ13: unknown GPIOZ14: unknown GPIOZ15: unknown After Bank GPIOZ: GPIOZ0: unused : 0 [ ] GPIOZ1: unused : 0 [ ] GPIOZ2: unused : 0 [ ] GPIOZ3: unused : 0 [ ] GPIOZ4: func i2c4-0 GPIOZ5: func i2c4-0 GPIOZ6: unused : 0 [ ] GPIOZ7: unused : 0 [ ] GPIOZ8: unknown GPIOZ9: unknown GPIOZ10: unknown GPIOZ11: unknown GPIOZ12: unknown GPIOZ13: unknown GPIOZ14: unknown GPIOZ15: unknown Signed-off-by: Patrice Chotard <[email protected]> Reviewed-by: Simon Glass <[email protected]> Reviewed-by: Patrick Delaunay <[email protected]>
2022-08-26arm: dts: qcom: Sync pinctrl DT nodes with Linux bindingsSumit Garg
Currently for all Qcom SoCs/boards there are separate compatibles for GPIO and pinctrl. But this is inconsistent with official (upstream) Linux bindings which requires only a single compatible "qcom,<SoC name>-pinctrl" and there is no such compatible property as "qcom,tlmm-<SoC name>". So fix this inconsistency for Qcom SoCs in order to comply with upstream DT bindings. This is done via removing compatibles from "msm_gpio" driver and via binding to "msm_gpio" driver from pinctrl driver in case "gpio-controller" property is specified for pinctrl node. Suggested-by: Stephan Gerhold <[email protected]> Signed-off-by: Sumit Garg <[email protected]>
2022-08-26gpio: qcom_pmic: Add support for GPIO LV/MV subtypeSumit Garg
GPIO LV (low voltage)/MV (medium voltage) subtypes have different features and register mappings than 4CH/8CH subtypes. Add support for LV and MV subtypes. With GPIO LV/MV subtype available, add "qcom,pms405-gpio" compatible which requires support for GPIO MV subtype. Signed-off-by: Sumit Garg <[email protected]>
2022-08-26pmic: Convert pm8916 driver to a generic Qcom PMIC driverSumit Garg
Since both pm8916.c and pm8916_gpio.c are already supporting multiple Qcom SoCs, it makes sense to rename these drivers to pmic_qcom.c and qcom_pmic_gpio.c respectively. Also, these driver can be extended to support additional functionality if required for other Qcom SoCs. Along with this import latest DT binding: qcom,spmi-pmic.txt from Linux kernel and thereby remove pm8916.txt. Signed-off-by: Sumit Garg <[email protected]>
2022-08-09gpio: Remove mvgpio driverChris Packham
The last user of this driver was removed in commit dee08b1999e2 ("arm: Remove gplugd board"). Remove the unused driver. Signed-off-by: Chris Packham <[email protected]> Acked-by: Pali Rohár <[email protected]>
2022-08-09gpio: turris_omnia_mcu: Fix usage of CMD_EXT_CONTROLPali Rohár
CMD_GENERAL_CONTROL takes two 8-bit arguments but CMD_EXT_CONTROL takes two 16-bit arguments. Fix this issue and change CMD_EXT_CONTROL arguments to 16-bit. Fixes: 5e4d24ccc115 ("gpio: Add Turris Omnia MCU driver") Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-08-04gpio: fix incorrect depends on for SPL_GPIO_HOGQuentin Schulz
Since commit 83061dbd1c89 ("Rename GPIO_SUPPORT to GPIO"), SPL_GPIO_SUPPORT has been renamed to SPL_GPIO, meaning that SPL_GPIO_HOG can never be enabled. Let's fix this by using the proper name for the Kconfig option. Fixes: 1d99e673c752 ("gpio: Enable hogging support in SPL") Cc: Quentin Schulz <[email protected]> Signed-off-by: Quentin Schulz <[email protected]> Reviewed-by: Simon Glass <[email protected]>
2022-07-29gpio: Add Turris Omnia MCU driverPali Rohár
This driver registers GPIO controller and allows U-Boot to control GPIO pins on MCU which is connected to Turris Omnia via i2c. Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-07-28gpio: mvebu_gpio: Set bank name to mvebu%dPali Rohár
Currently bank name is just one alphabetical letter. Change it to mvebu and number. Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-07-28gpio: mvebu_gpio: Read number of gpios from DTPali Rohár
Device tree property "ngpios" contains number of gpios. Use it when available. Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-07-28gpio: mvebu_gpio: Add .request and .rfree methods for Armada 38xPali Rohár
To use particular pin GPIO, it needs to be first switched to GPIO by pinctrl. Use pinctrl_gpio_request() and pinctrl_gpio_free() for this purpose. Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-07-28pinctrl: Add third argument label for pinctrl_gpio_request() functionPali Rohár
This change allows to use pinctrl_gpio_request() function as a direct pointer for dm_gpio_ops's .request callback. Signed-off-by: Pali Rohár <[email protected]> Reviewed-by: Stefan Roese <[email protected]>
2022-07-26gpio: pca953x: support pcal6524Peng Fan
Support pcal6524 IO expander driver Signed-off-by: Peng Fan <[email protected]>
2022-07-13gpio: add support for MediaTek MT7621 SoCWeijie Gao
This patch makes mt7621_gpio driver available for MediaTek MT7621 SoC Reviewed-by: Stefan Roese <[email protected]> Signed-off-by: Weijie Gao <[email protected]>
2022-07-11Merge branch 'next'Tom Rini
2022-07-07spl: Ensure all SPL symbols in Kconfig have some SPL dependencyTom Rini
Tighten up symbol dependencies in a number of places. Ensure that a SPL specific option has at least a direct dependency on SPL. In places where it's clear that we depend on something more specific, use that dependency instead. This means in a very small number of places we can drop redundant dependencies. Reported-by: Pali Rohár <[email protected]> Signed-off-by: Tom Rini <[email protected]>
2022-06-30gpio: atmel_pio4: add support for PIO_PORTEMihai Sain
Add support for gpio PORT E, which is available on e.g. sama7g5 SoC. Signed-off-by: Mihai Sain <[email protected]>
2022-06-26gpio: sunxi: Fix build with CONFIG_SPL_SERIAL=nSamuel Holland
This driver uses simple_strtol(), so it needs SPL_STRTO. Before commit 88ca8e26958b6 ("disk: Add an option for partitions in SPL"), SPL_STRTO was always selected indirectly. Now it is not, so select it here. Signed-off-by: Samuel Holland <[email protected]> Reviewed-by: Andre Przywara <[email protected]> Signed-off-by: Andre Przywara <[email protected]>
2022-05-23gpio: rgpio2p: Enhance reading of GPIO pin valueChristoph Fritz
Add support for reading GPIO pin value when function is output. With this patch applied, gpio toggle command is working. Signed-off-by: Christoph Fritz <[email protected]> Reviewed-by: Peng Fan <[email protected]> Reviewed-by: Fabio Estevam <[email protected]>
2022-05-10gpio: stm32_gpio: Rework GPIO hole managementPatrice Chotard
On some STM32 SoC's package, GPIO bank may have hole in their GPIO bank Example: If GPIO bank have 16 GPIO pins [0-15]. In particular SoC's package case, some GPIO bank can have less GPIO pins: - [0-10] => 11 pins; - [2-7] => 6 pins. Commit dbf928dd2634 ("gpio: stm32f7: Add gpio bank holes management") proposed a first implementation by not counting GPIO "inside" hole. GPIO are not displaying correctly using gpio or pinmux command when GPIO holes are located at the beginning of GPIO bank. To simplify, consider that all GPIO have 16 GPIO and use the gpio_ranges struct to indicate if a GPIO is mapped or not. GPIO uclass offers several GPIO functions ("input", "output", "unused", "unknown" and "func"), use "unknown" GPIO function to indicate that a GPIO is not mapped. stm32_offset_to_index() is no more needed and removed. This must be reflected using the "gpio" command to indicate to user that a particular GPIO is not mapped (marked as "unknown") as shown below: Example for a 16 pins GPIO bank with the [2-7] mapping (only 6 pins mapped): GPIOI0 : unknown GPIOI1 : unknown GPIOI2 : analog GPIOI3 : analog GPIOI4 : alt function 0 push-pull pull-down GPIOI5 : alt function 0 push-pull pull-down GPIOI6 : alt function 0 push-pull pull-down GPIOI7 : analog GPIOI8 : unknown GPIOI9 : unknown GPIOI10 : unknown GPIOI11 : unknown GPIOI12 : unknown GPIOI13 : unknown GPIOI14 : unknown GPIOI15 : unknown Signed-off-by: Patrice Chotard <[email protected]> Reviewed-by: Patrick Delaunay <[email protected]>
2022-05-05gpio: npcm: Add support for Nuvoton NPCM SoCsStanley Chu
Add Nuvoton BMC NPCM7xx/NPCM8xx gpio driver Signed-off-by: Stanley Chu <[email protected]>
2022-05-03pci: Add mask parameter to dm_pci_map_bar()Andrew Scull
Add a mask parameter to control the lookup of the PCI region from which the mapping can be made. Signed-off-by: Andrew Scull <[email protected]> Reviewed-by: Bin Meng <[email protected]>
2022-05-03pci: Map bars with offset and lengthAndrew Scull
Evolve dm_pci_map_bar() to include an offset and length parameter. These allow a portion of the memory to be mapped and range checks to be applied. Passing both the offset and length as zero results in the previous behaviour and this is used to migrate the previous callers. Signed-off-by: Andrew Scull <[email protected]> Reviewed-by: Bin Meng <[email protected]>
2022-05-02vpl: Add Kconfig options for VPLSimon Glass
Add VPL versions of commonly used Kconfig options. Signed-off-by: Simon Glass <[email protected]>
2022-04-19gpio: aspeed: Fix incorrect offset of read back register.Billy Tsai
The offset of the current read back register is the value of the gpio pin, not the value written for the gpio output. This patch fix it to avoid the other gpio output value controlled by the same register being set incorrectly. Fixes: 7ad889b0f37a ("gpio: Add Aspeed GPIO driver") Signed-off-by: Billy Tsai <[email protected]>
2022-04-08gpio: pca953x_gpio: add PCA957X supportLuca Ellero
Take as reference Linux kernel code: drivers/gpio/gpio-pca953x.c Signed-off-by: Luca Ellero <[email protected]> Reviewed-by: Simon Glass <[email protected]>
2022-04-08gpio: Enable hogging support in SPLEddie James
Use the CONFIG macros to conditionally build the GPIO hogging support in either the SPL or U-Boot, or both, depending on the configuration. Also call the GPIO hog probe function in the common SPL board initialization as an equivalent to adding it to the U-Boot init sequence functions. Signed-off-by: Eddie James <[email protected]> Reviewed-by: Simon Glass <[email protected]>
2022-04-08gpio: Add gpio_request_by_line_name()Andrew Jeffery
Add support for the upstream gpio-line-names property already described in the common GPIO binding document[1]. The ability to search for a line name allows boards to lift the implementation of common GPIO behaviours away from specific line indexes on a GPIO controller. [1] https://github.com/devicetree-org/dt-schema/blob/3c35bfee83c2e38e2ae7af5f83eb89ca94a521e8/dtschema/schemas/gpio/gpio.yaml#L17 Signed-off-by: Andrew Jeffery <[email protected]>
2022-04-05Merge tag 'xilinx-for-v2022.07-rc1-v2' of ↵Tom Rini
https://source.denx.de/u-boot/custodians/u-boot-microblaze Xilinx changes for v2022.07-rc1 v2 xilinx: - Allow booting bigger kernels till 100MB zynqmp: - DT updates (reset IDs) - Remove unneeded low level uart initialization from psu_init* - Enable PWM features - Add support for 1EG device serial_zynq: - Change fifo behavior in DEBUG mode zynq_sdhci: - Fix BASECLK setting calculation clk_zynqmp: - Add support for showing video clock gpio: - Update slg driver to handle DT flags net: - Update ethernet_id code to support also DM_ETH_PHY - Add support for DM_ETH_PHY in gem driver - Enable dynamic mode for SGMII config in gem driver pwm: - Add driver for cadence PWM versal: - Add support for reserved memory firmware: - Handle PD enabling for SPL - Add support for IOUSLCR SGMII configurations include: - Sync phy.h with Linux - Update xilinx power domain dt binding headers
2022-04-05gpio: slg7xl45106: Update gpio desc flags from DTT Karthik Reddy
In current slg7xl45106 gpio driver xlate() function we are not updating gpio flags from DT. Read the given flag from DT and update the gpio desc flags variable with required gpio direction state. Signed-off-by: T Karthik Reddy <[email protected]> Signed-off-by: Michal Simek <[email protected]> Link: https://lore.kernel.org/r/a8d7b4799337bd99f61ace509889f02b192a9414.1648631275.git.michal.simek@xilinx.com
2022-04-05Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sunxiTom Rini
A big part is the DM pinctrl driver, which allows us to get rid of quite some custom pinmux code and make the whole port much more robust. Many thanks to Samuel for that nice contribution! There are some more or less cosmetic warnings about missing clocks right now, I will send the trivial fixes for that later. Another big chunk is the mkimage upgrade, which adds RISC-V and TOC0 (secure images) support. Both features are unused at the moment, but I have an always-secure board that will use that once the DT lands in the kernel. On top of those big things we have some smaller fixes, improving the I2C DM support, fixing some H6/H616 early clock setup and improving the eMMC boot partition support. The gitlab CI completed successfully, including the build test for all 161 sunxi boards. I also boot tested on a A64, A20, H3, H6, and F1C100 board. USB, SD card, eMMC, and Ethernet all work there (where applicable).
2022-04-04sunxi: pinctrl: Create the driver skeletonSamuel Holland
Create a do-nothing driver for each sunxi pin controller variant. Since only one driver can automatically bind to a DT node, since the GPIO driver already requires a manual binding process, and since the pinctrl driver needs access to some of the same information, refactor the GPIO driver to be bound by the pinctrl driver. This commit should cause no functional change. Signed-off-by: Samuel Holland <[email protected]> Signed-off-by: Andre Przywara <[email protected]>
2022-04-01Convert CONFIG_BCM2835_GPIO to KconfigTom Rini
This converts the following to Kconfig: CONFIG_BCM2835_GPIO Signed-off-by: Tom Rini <[email protected]>
2022-03-16Merge tag 'xilinx-for-v2022.07-rc1' of ↵Tom Rini
https://source.denx.de/u-boot/custodians/u-boot-microblaze into next Xilinx changes for v2022.07-rc1 microblaze: - Add support for reserved memory xilinx: - Update FRU code with MAC reading zynqmp: - Remove double AMS setting - DT updates (mostly for SOMs) - Add support for zcu106 rev 1.0 zynq: - Update nand binding nand: - Aligned zynq_nand to upstream DT binding net: - Add support for ethernet-phy-id mmc: - Workaround CD in zynq_sdhci driver also for ZynqMP - Add support for dynamic/run-time SD config for SOMs gpio: - Add driver for slg7xl45106 firmware: - Add support for dynamic SD config power-domain: - Update zynqmp driver with the latest firmware video: - Add skeleton driver for DP and DPDMA i2c: - Fix i2c to work with QEMU pinctrl: - Add driver for zynqmp pinctrl driver
2022-03-14Merge tag 'v2022.04-rc4' into nextTom Rini
Prepare v2022.04-rc4
2022-03-07gpio: Add Aspeed GPIO driverAndrew Jeffery
The Aspeed GPIO driver supports the GPIO controllers found in the AST2400, AST2500 and AST2600 BMC SoCs. The implementation is a cut-down copy of the upstream Linux kernel driver, adapted for u-boot. Signed-off-by: Andrew Jeffery <[email protected]>
2022-03-07gpio: bcm6345: allow to use this driver on arm bcm6753Philippe Reynes
This IP is also used on some arm SoC, so we allow to use it on arm bcm6753 too. Signed-off-by: Philippe Reynes <[email protected]>
2022-03-07gpio: slg7xl45106: Add support for slg7xl45106 i2c gpo expanderT Karthik Reddy
slg7xl45106 is i2c based 8-bit gpo expander, gpo pins are set and get by writing and reading corresponding gpo bit value into its data register. Signed-off-by: T Karthik Reddy <[email protected]> Signed-off-by: Michal Simek <[email protected]> Reviewed-by: Heiko Schocher <[email protected]> Reviewed-by: Simon Glass <[email protected]> Link: https://lore.kernel.org/r/839f475cc75c97ffb3496a4caa93de2faabdbca2.1645629688.git.michal.simek@xilinx.com
2022-02-28gpio: add sl28cpld driverMichael Walle
The gpio block is part of the sl28cpld sl28cpld management controller. There are three different flavors: the usual input and output where the direction is configurable, but also input only and output only variants. Signed-off-by: Michael Walle <[email protected]> [Rebased] Signed-off-by: Priyanka Jain <[email protected]>
2022-02-05GPIO: fxl6408: Add support for FXL6408 GPIO expanderOleksandr Suvorov
Initial support for Fairchild's 8 bit I2C gpio expander FXL6408. The CONFIG_FXL6408_GPIO define enables support for such devices. Based on: https://patchwork.kernel.org/patch/9148419/ Signed-off-by: Oleksandr Suvorov <[email protected]> Reviewed-by: Simon Glass <[email protected]> Tested-by: Marcel Ziswiler <[email protected]> Reviewed-by: Heiko Schocher <[email protected]> Signed-off-by: Oleksandr Suvorov <[email protected]>
2022-01-30gpio: sunxi: Implement .set_flagsSamuel Holland
This, along with gpio_flags_xlate(), allows the GPIO driver to handle pull-up/down flags provided by consumer drivers or in the device tree. Signed-off-by: Samuel Holland <[email protected]> Reviewed-by: Simon Glass <[email protected]> Reviewed-by: Andre Przywara <[email protected]> Signed-off-by: Andre Przywara <[email protected]>
2022-01-20Merge tag 'doc-2022-04-rc1' of ↵Tom Rini
https://source.denx.de/u-boot/custodians/u-boot-efi Pull request doc-2022-04-rc1 Replace @return by Return: in code comments.
2022-01-19doc: replace @return by Return:Heinrich Schuchardt
Sphinx expects Return: and not @return to indicate a return value. find . -name '*.c' -exec \ sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \; find . -name '*.h' -exec \ sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \; Signed-off-by: Heinrich Schuchardt <[email protected]>
2022-01-19Merge tag 'xilinx-for-v2022.04-rc1' of ↵Tom Rini
https://source.denx.de/u-boot/custodians/u-boot-microblaze Xilinx changes for v2022.04-rc1 gpio: - Add modepin driver net: - Save random mac addresses to eth variable zynqmp gem: - Add support for mdio bus DT description - Add support for reset and SGMII phy configuration - Reduce timeout for MDIO accesses zynqmp clk: - Fix clock handling for gem and usb phy: - Add zynqmp phy/serdes driver serial: - Add one missing compatible string microblaze: - Symbol alignement - SPL fixups - Code cleanups zynqmp: - Various dt changes, DP pre-reloc, gem resets, gem clocks - Switch SOM to shared psu configuration - Move dcache handling to firmware driver - Workaround gmii2rgmii DT description issue - Enable broadcasts again - Change firmware enablement logic - Small adjustement in firmware driver versal: - Support new mmc@ DT nodes - Fix run time variable handling - Add missing I2C_PMC ID for power domain