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ARM: imx: Allow user to disable pinctrl

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Making pinctrl drivers and subsequently the pinctrl framework
user-controllable, allows building a kernel without this.
While in many (most) cases, this could make the system unbootable, it
does allow building smaller kernels for those situations where picntrl
is not needed.

One such situation is when building a kernel for NXP LS1021A systems,
which does not have run-time controllable pinctrl, so pinctrl framework
and drivers are 100% dead-weight.

Signed-off-by: Esben Haabendal <esben@geanix.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/20240506-imx-pinctrl-optional-v2-1-bdff75085156@geanix.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Esben Haabendal 2024-05-06 12:23:53 +02:00 • committed by Linus Walleij
parent 88dbf374a5
commit 17d2100189
2 changed files with 15 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
arch/arm/mach-imx/Kconfig
View file

@ -6,7 +6,6 @@ menuconfig ARCH_MXC
select CLKSRC_IMX_GPT select CLKSRC_IMX_GPT
select GENERIC_IRQ_CHIP select GENERIC_IRQ_CHIP
select GPIOLIB select GPIOLIB
select PINCTRL
select PM_OPP if PM select PM_OPP if PM
select SOC_BUS select SOC_BUS
select SRAM select SRAM
@ -49,7 +48,6 @@ config SOC_IMX31
config SOC_IMX35 config SOC_IMX35
bool "i.MX35 support" bool "i.MX35 support"
select MXC_AVIC select MXC_AVIC
select PINCTRL_IMX35
help help
This enables support for Freescale i.MX35 processor This enables support for Freescale i.MX35 processor
@ -61,7 +59,6 @@ config SOC_IMX1
bool "i.MX1 support" bool "i.MX1 support"
select CPU_ARM920T select CPU_ARM920T
select MXC_AVIC select MXC_AVIC
select PINCTRL_IMX1
help help
This enables support for Freescale i.MX1 processor This enables support for Freescale i.MX1 processor
@ -73,7 +70,6 @@ config SOC_IMX25
bool "i.MX25 support" bool "i.MX25 support"
select CPU_ARM926T select CPU_ARM926T
select MXC_AVIC select MXC_AVIC
select PINCTRL_IMX25
help help
This enables support for Freescale i.MX25 processor This enables support for Freescale i.MX25 processor
@ -81,7 +77,6 @@ config SOC_IMX27
bool "i.MX27 support" bool "i.MX27 support"
select CPU_ARM926T select CPU_ARM926T
select MXC_AVIC select MXC_AVIC
select PINCTRL_IMX27
help help
This enables support for Freescale i.MX27 processor This enables support for Freescale i.MX27 processor
@ -98,7 +93,6 @@ config SOC_IMX5
config SOC_IMX50 config SOC_IMX50
bool "i.MX50 support" bool "i.MX50 support"
select PINCTRL_IMX50
select SOC_IMX5 select SOC_IMX5
help help
@ -106,14 +100,12 @@ config SOC_IMX50
config SOC_IMX51 config SOC_IMX51
bool "i.MX51 support" bool "i.MX51 support"
select PINCTRL_IMX51
select SOC_IMX5 select SOC_IMX5
help help
This enables support for Freescale i.MX51 processor This enables support for Freescale i.MX51 processor
config SOC_IMX53 config SOC_IMX53
bool "i.MX53 support" bool "i.MX53 support"
select PINCTRL_IMX53
select SOC_IMX5 select SOC_IMX5
help help
@ -137,7 +129,6 @@ config SOC_IMX6Q
select ARM_ERRATA_775420 select ARM_ERRATA_775420
select HAVE_ARM_SCU if SMP select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD select HAVE_ARM_TWD
select PINCTRL_IMX6Q
select SOC_IMX6 select SOC_IMX6
help help
@ -147,7 +138,6 @@ config SOC_IMX6SL
bool "i.MX6 SoloLite support" bool "i.MX6 SoloLite support"
select ARM_ERRATA_754322 select ARM_ERRATA_754322
select ARM_ERRATA_775420 select ARM_ERRATA_775420
select PINCTRL_IMX6SL
select SOC_IMX6 select SOC_IMX6
help help
@ -157,7 +147,6 @@ config SOC_IMX6SLL
bool "i.MX6 SoloLiteLite support" bool "i.MX6 SoloLiteLite support"
select ARM_ERRATA_754322 select ARM_ERRATA_754322
select ARM_ERRATA_775420 select ARM_ERRATA_775420
select PINCTRL_IMX6SLL
select SOC_IMX6 select SOC_IMX6
help help
@ -167,7 +156,6 @@ config SOC_IMX6SX
bool "i.MX6 SoloX support" bool "i.MX6 SoloX support"
select ARM_ERRATA_754322 select ARM_ERRATA_754322
select ARM_ERRATA_775420 select ARM_ERRATA_775420
select PINCTRL_IMX6SX
select SOC_IMX6 select SOC_IMX6
help help
@ -175,7 +163,6 @@ config SOC_IMX6SX
config SOC_IMX6UL config SOC_IMX6UL
bool "i.MX6 UltraLite support" bool "i.MX6 UltraLite support"
select PINCTRL_IMX6UL
select SOC_IMX6 select SOC_IMX6
select ARM_ERRATA_814220 select ARM_ERRATA_814220
@ -211,7 +198,6 @@ config SOC_IMX7D_CM4
config SOC_IMX7D config SOC_IMX7D
bool "i.MX7 Dual support" bool "i.MX7 Dual support"
select PINCTRL_IMX7D
select SOC_IMX7D_CA7 if ARCH_MULTI_V7 select SOC_IMX7D_CA7 if ARCH_MULTI_V7
select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M
select ARM_ERRATA_814220 if ARCH_MULTI_V7 select ARM_ERRATA_814220 if ARCH_MULTI_V7
@ -221,7 +207,6 @@ config SOC_IMX7D
config SOC_IMX7ULP config SOC_IMX7ULP
bool "i.MX7ULP support" bool "i.MX7ULP support"
select CLKSRC_IMX_TPM select CLKSRC_IMX_TPM
select PINCTRL_IMX7ULP
select SOC_IMX7D_CA7 if ARCH_MULTI_V7 select SOC_IMX7D_CA7 if ARCH_MULTI_V7
select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M
help help
@ -237,7 +222,6 @@ config SOC_IMXRT
config SOC_VF610 config SOC_VF610
bool "Vybrid Family VF610 support" bool "Vybrid Family VF610 support"
select ARM_GIC if ARCH_MULTI_V7 select ARM_GIC if ARCH_MULTI_V7
select PINCTRL_VF610
help help
This enables support for Freescale Vybrid VF610 processor. This enables support for Freescale Vybrid VF610 processor.

15
drivers/pinctrl/freescale/Kconfig
View file

@ -31,6 +31,7 @@ config PINCTRL_IMX1_CORE
config PINCTRL_IMX1 config PINCTRL_IMX1
bool "IMX1 pinctrl driver" bool "IMX1 pinctrl driver"
depends on SOC_IMX1 depends on SOC_IMX1
default SOC_IMX1
select PINCTRL_IMX1_CORE select PINCTRL_IMX1_CORE
help help
Say Y here to enable the imx1 pinctrl driver Say Y here to enable the imx1 pinctrl driver
@ -38,6 +39,7 @@ config PINCTRL_IMX1
config PINCTRL_IMX27 config PINCTRL_IMX27
bool "IMX27 pinctrl driver" bool "IMX27 pinctrl driver"
depends on SOC_IMX27 depends on SOC_IMX27
default SOC_IMX27
select PINCTRL_IMX1_CORE select PINCTRL_IMX1_CORE
help help
Say Y here to enable the imx27 pinctrl driver Say Y here to enable the imx27 pinctrl driver
@ -47,6 +49,7 @@ config PINCTRL_IMX25
bool "IMX25 pinctrl driver" bool "IMX25 pinctrl driver"
depends on OF depends on OF
depends on SOC_IMX25 depends on SOC_IMX25
default SOC_IMX25
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx25 pinctrl driver Say Y here to enable the imx25 pinctrl driver
@ -54,6 +57,7 @@ config PINCTRL_IMX25
config PINCTRL_IMX35 config PINCTRL_IMX35
bool "IMX35 pinctrl driver" bool "IMX35 pinctrl driver"
depends on SOC_IMX35 depends on SOC_IMX35
default SOC_IMX35
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx35 pinctrl driver Say Y here to enable the imx35 pinctrl driver
@ -61,6 +65,7 @@ config PINCTRL_IMX35
config PINCTRL_IMX50 config PINCTRL_IMX50
bool "IMX50 pinctrl driver" bool "IMX50 pinctrl driver"
depends on SOC_IMX50 depends on SOC_IMX50
default SOC_IMX50
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx50 pinctrl driver Say Y here to enable the imx50 pinctrl driver
@ -68,6 +73,7 @@ config PINCTRL_IMX50
config PINCTRL_IMX51 config PINCTRL_IMX51
bool "IMX51 pinctrl driver" bool "IMX51 pinctrl driver"
depends on SOC_IMX51 depends on SOC_IMX51
default SOC_IMX51
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx51 pinctrl driver Say Y here to enable the imx51 pinctrl driver
@ -75,6 +81,7 @@ config PINCTRL_IMX51
config PINCTRL_IMX53 config PINCTRL_IMX53
bool "IMX53 pinctrl driver" bool "IMX53 pinctrl driver"
depends on SOC_IMX53 depends on SOC_IMX53
default SOC_IMX53
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx53 pinctrl driver Say Y here to enable the imx53 pinctrl driver
@ -82,6 +89,7 @@ config PINCTRL_IMX53
config PINCTRL_IMX6Q config PINCTRL_IMX6Q
bool "IMX6Q/DL pinctrl driver" bool "IMX6Q/DL pinctrl driver"
depends on SOC_IMX6Q depends on SOC_IMX6Q
default SOC_IMX6Q
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx6q/dl pinctrl driver Say Y here to enable the imx6q/dl pinctrl driver
@ -89,6 +97,7 @@ config PINCTRL_IMX6Q
config PINCTRL_IMX6SL config PINCTRL_IMX6SL
bool "IMX6SL pinctrl driver" bool "IMX6SL pinctrl driver"
depends on SOC_IMX6SL depends on SOC_IMX6SL
default SOC_IMX6SL
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx6sl pinctrl driver Say Y here to enable the imx6sl pinctrl driver
@ -96,6 +105,7 @@ config PINCTRL_IMX6SL
config PINCTRL_IMX6SLL config PINCTRL_IMX6SLL
bool "IMX6SLL pinctrl driver" bool "IMX6SLL pinctrl driver"
depends on SOC_IMX6SLL depends on SOC_IMX6SLL
default SOC_IMX6SLL
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx6sll pinctrl driver Say Y here to enable the imx6sll pinctrl driver
@ -103,6 +113,7 @@ config PINCTRL_IMX6SLL
config PINCTRL_IMX6SX config PINCTRL_IMX6SX
bool "IMX6SX pinctrl driver" bool "IMX6SX pinctrl driver"
depends on SOC_IMX6SX depends on SOC_IMX6SX
default SOC_IMX6SX
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx6sx pinctrl driver Say Y here to enable the imx6sx pinctrl driver
@ -110,6 +121,7 @@ config PINCTRL_IMX6SX
config PINCTRL_IMX6UL config PINCTRL_IMX6UL
bool "IMX6UL pinctrl driver" bool "IMX6UL pinctrl driver"
depends on SOC_IMX6UL depends on SOC_IMX6UL
default SOC_IMX6UL
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx6ul pinctrl driver Say Y here to enable the imx6ul pinctrl driver
@ -117,6 +129,7 @@ config PINCTRL_IMX6UL
config PINCTRL_IMX7D config PINCTRL_IMX7D
bool "IMX7D pinctrl driver" bool "IMX7D pinctrl driver"
depends on SOC_IMX7D depends on SOC_IMX7D
default SOC_IMX7D
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx7d pinctrl driver Say Y here to enable the imx7d pinctrl driver
@ -124,6 +137,7 @@ config PINCTRL_IMX7D
config PINCTRL_IMX7ULP config PINCTRL_IMX7ULP
bool "IMX7ULP pinctrl driver" bool "IMX7ULP pinctrl driver"
depends on SOC_IMX7ULP depends on SOC_IMX7ULP
default SOC_IMX7ULP
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the imx7ulp pinctrl driver Say Y here to enable the imx7ulp pinctrl driver
@ -212,6 +226,7 @@ config PINCTRL_IMX93
config PINCTRL_VF610 config PINCTRL_VF610
bool "Freescale Vybrid VF610 pinctrl driver" bool "Freescale Vybrid VF610 pinctrl driver"
depends on SOC_VF610 depends on SOC_VF610
default SOC_VF610
select PINCTRL_IMX select PINCTRL_IMX
help help
Say Y here to enable the Freescale Vybrid VF610 pinctrl driver Say Y here to enable the Freescale Vybrid VF610 pinctrl driver