1d90a5a30SMasahiro Yamada# 2d90a5a30SMasahiro Yamada# PINCTRL infrastructure and drivers 3d90a5a30SMasahiro Yamada# 4d90a5a30SMasahiro Yamada 5d90a5a30SMasahiro Yamadamenu "Pin controllers" 6d90a5a30SMasahiro Yamada 7d90a5a30SMasahiro Yamadaconfig PINCTRL 8d90a5a30SMasahiro Yamada bool "Support pin controllers" 9d90a5a30SMasahiro Yamada depends on DM 10d90a5a30SMasahiro Yamada help 11d90a5a30SMasahiro Yamada This enables the basic support for pinctrl framework. You may want 12d90a5a30SMasahiro Yamada to enable some more options depending on what you want to do. 13d90a5a30SMasahiro Yamada 14d90a5a30SMasahiro Yamadaconfig PINCTRL_FULL 15d90a5a30SMasahiro Yamada bool "Support full pin controllers" 16d90a5a30SMasahiro Yamada depends on PINCTRL && OF_CONTROL 17d90a5a30SMasahiro Yamada default y 18d90a5a30SMasahiro Yamada help 19d90a5a30SMasahiro Yamada This provides Linux-compatible device tree interface for the pinctrl 20d90a5a30SMasahiro Yamada subsystem. This feature depends on device tree configuration because 21d90a5a30SMasahiro Yamada it parses a device tree to look for the pinctrl device which the 22d90a5a30SMasahiro Yamada peripheral device is associated with. 23d90a5a30SMasahiro Yamada 24d90a5a30SMasahiro Yamada If this option is disabled (it is the only possible choice for non-DT 25d90a5a30SMasahiro Yamada boards), the pinctrl core provides no systematic mechanism for 26d90a5a30SMasahiro Yamada identifying peripheral devices, applying needed pinctrl settings. 27d90a5a30SMasahiro Yamada It is totally up to the implementation of each low-level driver. 28d90a5a30SMasahiro Yamada You can save memory footprint in return for some limitations. 29d90a5a30SMasahiro Yamada 30d90a5a30SMasahiro Yamadaconfig PINCTRL_GENERIC 31d90a5a30SMasahiro Yamada bool "Support generic pin controllers" 32d90a5a30SMasahiro Yamada depends on PINCTRL_FULL 33d90a5a30SMasahiro Yamada default y 34d90a5a30SMasahiro Yamada help 35d90a5a30SMasahiro Yamada Say Y here if you want to use the pinctrl subsystem through the 36d90a5a30SMasahiro Yamada generic DT interface. If enabled, some functions become available 37d90a5a30SMasahiro Yamada to parse common properties such as "pins", "groups", "functions" and 38d90a5a30SMasahiro Yamada some pin configuration parameters. It would be easier if you only 39d90a5a30SMasahiro Yamada need the generic DT interface for pin muxing and pin configuration. 40d90a5a30SMasahiro Yamada If you need to handle vendor-specific DT properties, you can disable 41d90a5a30SMasahiro Yamada this option and implement your own set_state callback in the pinctrl 42d90a5a30SMasahiro Yamada operations. 43d90a5a30SMasahiro Yamada 44d90a5a30SMasahiro Yamadaconfig PINMUX 45d90a5a30SMasahiro Yamada bool "Support pin multiplexing controllers" 46d90a5a30SMasahiro Yamada depends on PINCTRL_GENERIC 47d90a5a30SMasahiro Yamada default y 48d90a5a30SMasahiro Yamada help 49d90a5a30SMasahiro Yamada This option enables pin multiplexing through the generic pinctrl 50458a0700SSimon Glass framework. Most SoCs have their own own multiplexing arrangement 51458a0700SSimon Glass where a single pin can be used for several functions. An SoC pinctrl 52458a0700SSimon Glass driver allows the required function to be selected for each pin. 53458a0700SSimon Glass The driver is typically controlled by the device tree. 54d90a5a30SMasahiro Yamada 55d90a5a30SMasahiro Yamadaconfig PINCONF 56d90a5a30SMasahiro Yamada bool "Support pin configuration controllers" 57d90a5a30SMasahiro Yamada depends on PINCTRL_GENERIC 58d90a5a30SMasahiro Yamada help 59d90a5a30SMasahiro Yamada This option enables pin configuration through the generic pinctrl 60d90a5a30SMasahiro Yamada framework. 61d90a5a30SMasahiro Yamada 62d90a5a30SMasahiro Yamadaconfig SPL_PINCTRL 63d90a5a30SMasahiro Yamada bool "Support pin controlloers in SPL" 64d90a5a30SMasahiro Yamada depends on SPL && SPL_DM 65d90a5a30SMasahiro Yamada help 66d90a5a30SMasahiro Yamada This option is an SPL-variant of the PINCTRL option. 67d90a5a30SMasahiro Yamada See the help of PINCTRL for details. 68d90a5a30SMasahiro Yamada 69d90a5a30SMasahiro Yamadaconfig SPL_PINCTRL_FULL 70d90a5a30SMasahiro Yamada bool "Support full pin controllers in SPL" 71d90a5a30SMasahiro Yamada depends on SPL_PINCTRL && SPL_OF_CONTROL 72d90a5a30SMasahiro Yamada default y 73d90a5a30SMasahiro Yamada help 74d90a5a30SMasahiro Yamada This option is an SPL-variant of the PINCTRL_FULL option. 75d90a5a30SMasahiro Yamada See the help of PINCTRL_FULL for details. 76d90a5a30SMasahiro Yamada 77d90a5a30SMasahiro Yamadaconfig SPL_PINCTRL_GENERIC 78d90a5a30SMasahiro Yamada bool "Support generic pin controllers in SPL" 79d90a5a30SMasahiro Yamada depends on SPL_PINCTRL_FULL 80d90a5a30SMasahiro Yamada default y 81d90a5a30SMasahiro Yamada help 82d90a5a30SMasahiro Yamada This option is an SPL-variant of the PINCTRL_GENERIC option. 83d90a5a30SMasahiro Yamada See the help of PINCTRL_GENERIC for details. 84d90a5a30SMasahiro Yamada 85d90a5a30SMasahiro Yamadaconfig SPL_PINMUX 86d90a5a30SMasahiro Yamada bool "Support pin multiplexing controllers in SPL" 87d90a5a30SMasahiro Yamada depends on SPL_PINCTRL_GENERIC 88d90a5a30SMasahiro Yamada default y 89d90a5a30SMasahiro Yamada help 90d90a5a30SMasahiro Yamada This option is an SPL-variant of the PINMUX option. 91d90a5a30SMasahiro Yamada See the help of PINMUX for details. 92458a0700SSimon Glass The pinctrl subsystem can add a substantial overhead to the SPL 93458a0700SSimon Glass image since it typically requires quite a few tables either in the 94458a0700SSimon Glass driver or in the device tree. If this is acceptable and you need 95458a0700SSimon Glass to adjust pin multiplexing in SPL in order to boot into U-Boot, 96458a0700SSimon Glass enable this option. You will need to enable device tree in SPL 97458a0700SSimon Glass for this to work. 98d90a5a30SMasahiro Yamada 99d90a5a30SMasahiro Yamadaconfig SPL_PINCONF 100d90a5a30SMasahiro Yamada bool "Support pin configuration controllers in SPL" 101d90a5a30SMasahiro Yamada depends on SPL_PINCTRL_GENERIC 102d90a5a30SMasahiro Yamada help 103d90a5a30SMasahiro Yamada This option is an SPL-variant of the PINCONF option. 104d90a5a30SMasahiro Yamada See the help of PINCONF for details. 105d90a5a30SMasahiro Yamada 106d90a5a30SMasahiro Yamadaif PINCTRL || SPL_PINCTRL 107d90a5a30SMasahiro Yamada 10851c7f348SPhilipp Tomsichconfig PINCTRL_AR933X 109a79d0643SWills Wang bool "QCA/Athores ar933x pin control driver" 110a79d0643SWills Wang depends on DM && SOC_AR933X 111a79d0643SWills Wang help 112a79d0643SWills Wang Support pin multiplexing control on QCA/Athores ar933x SoCs. 113a79d0643SWills Wang The driver is controlled by a device tree node which contains 114a79d0643SWills Wang both the GPIO definitions and pin control functions for each 115a79d0643SWills Wang available multiplex function. 116a79d0643SWills Wang 1179319a756SWenyou Yangconfig PINCTRL_AT91 1189319a756SWenyou Yang bool "AT91 pinctrl driver" 1199319a756SWenyou Yang depends on DM 1209319a756SWenyou Yang help 1219319a756SWenyou Yang This option is to enable the AT91 pinctrl driver for AT91 PIO 12251c7f348SPhilipp Tomsich controller. 12351c7f348SPhilipp Tomsich 12451c7f348SPhilipp Tomsich AT91 PIO controller is a combined gpio-controller, pin-mux and 12551c7f348SPhilipp Tomsich pin-config module. Each I/O pin may be dedicated as a general-purpose 12651c7f348SPhilipp Tomsich I/O or be assigned to a function of an embedded peripheral. Each I/O 12751c7f348SPhilipp Tomsich pin has a glitch filter providing rejection of glitches lower than 12851c7f348SPhilipp Tomsich one-half of peripheral clock cycle and a debouncing filter providing 12951c7f348SPhilipp Tomsich rejection of unwanted pulses from key or push button operations. You 13051c7f348SPhilipp Tomsich can also control the multi-driver capability, pull-up and pull-down 13151c7f348SPhilipp Tomsich feature on each I/O pin. 1329319a756SWenyou Yang 133ac72e174SWenyou Yangconfig PINCTRL_AT91PIO4 134ac72e174SWenyou Yang bool "AT91 PIO4 pinctrl driver" 135ac72e174SWenyou Yang depends on DM 136ac72e174SWenyou Yang help 137ac72e174SWenyou Yang This option is to enable the AT91 pinctrl driver for AT91 PIO4 138ac72e174SWenyou Yang controller which is available on SAMA5D2 SoC. 139ac72e174SWenyou Yang 14051c7f348SPhilipp Tomsichconfig PINCTRL_PIC32 14151c7f348SPhilipp Tomsich bool "Microchip PIC32 pin-control and pin-mux driver" 14251c7f348SPhilipp Tomsich depends on DM && MACH_PIC32 14351c7f348SPhilipp Tomsich default y 14451c7f348SPhilipp Tomsich help 14551c7f348SPhilipp Tomsich Supports individual pin selection and configuration for each 14651c7f348SPhilipp Tomsich remappable peripheral available on Microchip PIC32 14751c7f348SPhilipp Tomsich SoCs. This driver is controlled by a device tree node which 14851c7f348SPhilipp Tomsich contains both GPIO defintion and pin control functions. 14951c7f348SPhilipp Tomsich 15051c7f348SPhilipp Tomsichconfig PINCTRL_QCA953X 15151c7f348SPhilipp Tomsich bool "QCA/Athores qca953x pin control driver" 15251c7f348SPhilipp Tomsich depends on DM && SOC_QCA953X 15351c7f348SPhilipp Tomsich help 15451c7f348SPhilipp Tomsich Support pin multiplexing control on QCA/Athores qca953x SoCs. 15551c7f348SPhilipp Tomsich 15651c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 15751c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 15851c7f348SPhilipp Tomsich multiplex function. 15951c7f348SPhilipp Tomsich 16051c7f348SPhilipp Tomsichconfig PINCTRL_ROCKCHIP_RK3036 16151c7f348SPhilipp Tomsich bool "Rockchip rk3036 pin control driver" 16251c7f348SPhilipp Tomsich depends on DM 16351c7f348SPhilipp Tomsich help 16451c7f348SPhilipp Tomsich Support pin multiplexing control on Rockchip rk3036 SoCs. 16551c7f348SPhilipp Tomsich 16651c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 16751c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 16851c7f348SPhilipp Tomsich multiplex function. 16951c7f348SPhilipp Tomsich 17051c7f348SPhilipp Tomsichconfig PINCTRL_ROCKCHIP_RK3188 17151c7f348SPhilipp Tomsich bool "Rockchip rk3188 pin control driver" 17251c7f348SPhilipp Tomsich depends on DM 17351c7f348SPhilipp Tomsich help 17451c7f348SPhilipp Tomsich Support pin multiplexing control on Rockchip rk3188 SoCs. 17551c7f348SPhilipp Tomsich 17651c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 17751c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 17851c7f348SPhilipp Tomsich multiplex function. 17951c7f348SPhilipp Tomsich 18051c7f348SPhilipp Tomsichconfig PINCTRL_ROCKCHIP_RK3288 18151c7f348SPhilipp Tomsich bool "Rockchip rk3288 pin control driver" 18251c7f348SPhilipp Tomsich depends on DM 18351c7f348SPhilipp Tomsich help 18451c7f348SPhilipp Tomsich Support pin multiplexing control on Rockchip rk3288 SoCs. 18551c7f348SPhilipp Tomsich 18651c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 18751c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 18851c7f348SPhilipp Tomsich multiplex function. 18951c7f348SPhilipp Tomsich 19051c7f348SPhilipp Tomsichconfig PINCTRL_ROCKCHIP_RK3328 191f3f1af93SPhilipp Tomsich bool "Rockchip rk3328 pin control driver" 192d439a46eSKever Yang depends on DM 193d439a46eSKever Yang help 19451c7f348SPhilipp Tomsich Support pin multiplexing control on Rockchip rk3328 SoCs. 195d439a46eSKever Yang 19651c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 19751c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 19851c7f348SPhilipp Tomsich multiplex function. 19951c7f348SPhilipp Tomsich 20027600a58SAndy Yanconfig PINCTRL_ROCKCHIP_RK3368 20127600a58SAndy Yan bool "Rockchip RK3368 pin control driver" 20227600a58SAndy Yan depends on DM 20327600a58SAndy Yan help 20427600a58SAndy Yan Support pin multiplexing control on Rockchip rk3368 SoCs. 20527600a58SAndy Yan 20627600a58SAndy Yan The driver is controlled by a device tree node which contains both 20727600a58SAndy Yan the GPIO definitions and pin control functions for each available 20827600a58SAndy Yan multiplex function. 20927600a58SAndy Yan 21051c7f348SPhilipp Tomsichconfig PINCTRL_ROCKCHIP_RK3399 211f3f1af93SPhilipp Tomsich bool "Rockchip rk3399 pin control driver" 212a2c08df3SKever Yang depends on DM 213a2c08df3SKever Yang help 21451c7f348SPhilipp Tomsich Support pin multiplexing control on Rockchip rk3399 SoCs. 21551c7f348SPhilipp Tomsich 21651c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 21751c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 21851c7f348SPhilipp Tomsich multiplex function. 219a2c08df3SKever Yang 220*09aa7c46SAndy Yanconfig PINCTRL_ROCKCHIP_RV1108 221*09aa7c46SAndy Yan bool "Rockchip rv1108 pin control driver" 222*09aa7c46SAndy Yan depends on DM 223*09aa7c46SAndy Yan help 224*09aa7c46SAndy Yan Support pin multiplexing control on Rockchip rv1108 SoC. 225*09aa7c46SAndy Yan 226*09aa7c46SAndy Yan The driver is controlled by a device tree node which contains 227*09aa7c46SAndy Yan both the GPIO definitions and pin control functions for each 228*09aa7c46SAndy Yan available multiplex function. 229*09aa7c46SAndy Yan 2309c6a3c67SMasahiro Yamadaconfig PINCTRL_SANDBOX 2319c6a3c67SMasahiro Yamada bool "Sandbox pinctrl driver" 2329c6a3c67SMasahiro Yamada depends on SANDBOX 2339c6a3c67SMasahiro Yamada help 23451c7f348SPhilipp Tomsich This enables pinctrl driver for sandbox. 2359c6a3c67SMasahiro Yamada 23651c7f348SPhilipp Tomsich Currently, this driver actually does nothing but print debug 23751c7f348SPhilipp Tomsich messages when pinctrl operations are invoked. 23894d53084SVikas Manocha 23944d5c371SFelix Brackconfig PINCTRL_SINGLE 24044d5c371SFelix Brack bool "Single register pin-control and pin-multiplex driver" 24144d5c371SFelix Brack depends on DM 24244d5c371SFelix Brack help 24344d5c371SFelix Brack This enables pinctrl driver for systems using a single register for 24444d5c371SFelix Brack pin configuration and multiplexing. TI's AM335X SoCs are examples of 24544d5c371SFelix Brack such systems. 24651c7f348SPhilipp Tomsich 24744d5c371SFelix Brack Depending on the platform make sure to also enable OF_TRANSLATE and 24844d5c371SFelix Brack eventually SPL_OF_TRANSLATE to get correct address translations. 24944d5c371SFelix Brack 25051c7f348SPhilipp Tomsichconfig PINCTRL_STI 25151c7f348SPhilipp Tomsich bool "STMicroelectronics STi pin-control and pin-mux driver" 25251c7f348SPhilipp Tomsich depends on DM && ARCH_STI 25351c7f348SPhilipp Tomsich default y 25451c7f348SPhilipp Tomsich help 25551c7f348SPhilipp Tomsich Support pin multiplexing control on STMicrolectronics STi SoCs. 25651c7f348SPhilipp Tomsich 25751c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 25851c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 25951c7f348SPhilipp Tomsich multiplex function. 26051c7f348SPhilipp Tomsich 26151c7f348SPhilipp Tomsichconfig PINCTRL_STM32 26251c7f348SPhilipp Tomsich bool "ST STM32 pin control driver" 26351c7f348SPhilipp Tomsich depends on DM 26451c7f348SPhilipp Tomsich help 26551c7f348SPhilipp Tomsich Supports pin multiplexing control on stm32 SoCs. 26651c7f348SPhilipp Tomsich 26751c7f348SPhilipp Tomsich The driver is controlled by a device tree node which contains both 26851c7f348SPhilipp Tomsich the GPIO definitions and pin control functions for each available 26951c7f348SPhilipp Tomsich multiplex function. 27051c7f348SPhilipp Tomsich 2714f0e44e4Smaxims@google.comconfig ASPEED_AST2500_PINCTRL 2724f0e44e4Smaxims@google.com bool "Aspeed AST2500 pin control driver" 2734f0e44e4Smaxims@google.com depends on DM && PINCTRL_GENERIC && ASPEED_AST2500 2744f0e44e4Smaxims@google.com default y 2754f0e44e4Smaxims@google.com help 2764f0e44e4Smaxims@google.com Support pin multiplexing control on Aspeed ast2500 SoC. The driver uses 2774f0e44e4Smaxims@google.com Generic Pinctrl framework and is compatible with the Linux driver, 2784f0e44e4Smaxims@google.com i.e. it uses the same device tree configuration. 2794f0e44e4Smaxims@google.com 280d90a5a30SMasahiro Yamadaendif 281d90a5a30SMasahiro Yamada 282677b5358SBeniamino Galvanisource "drivers/pinctrl/meson/Kconfig" 283745df68dSPeng Fansource "drivers/pinctrl/nxp/Kconfig" 2845dc626f8SMasahiro Yamadasource "drivers/pinctrl/uniphier/Kconfig" 28516ca80adSThomas Abrahamsource "drivers/pinctrl/exynos/Kconfig" 286656e6cc8SKonstantin Porotchkinsource "drivers/pinctrl/mvebu/Kconfig" 2875dc626f8SMasahiro Yamada 288d90a5a30SMasahiro Yamadaendmenu 289