Re: [PATCH v5 3/8] pinctrl: cygnus: add initial IOMUX driver support

From: Paul Bolle
Date: Thu Mar 05 2015 - 03:03:41 EST


On Wed, 2015-03-04 at 16:35 -0800, Ray Jui wrote:
> diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig
> index bc6d048..eb13201 100644
> --- a/drivers/pinctrl/bcm/Kconfig
> +++ b/drivers/pinctrl/bcm/Kconfig
> @@ -19,3 +19,16 @@ config PINCTRL_BCM2835
> bool
> select PINMUX
> select PINCONF
> +
> +config PINCTRL_CYGNUS_MUX
> + bool "Broadcom Cygnus IOMUX driver"

bool type.

> + depends on (ARCH_BCM_CYGNUS || COMPILE_TEST)
> + select PINMUX
> + select GENERIC_PINCONF
> + default ARCH_BCM_CYGNUS
> + help
> + Say yes here to enable the Broadcom Cygnus IOMUX driver.
> +
> + The Broadcom Cygnus IOMUX driver supports group based IOMUX
> + configuration, with the exception that certain individual pins
> + can be overrided to GPIO function
> diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile
> index 7ba80a3..bb6beb6 100644
> --- a/drivers/pinctrl/bcm/Makefile
> +++ b/drivers/pinctrl/bcm/Makefile
> @@ -1,4 +1,5 @@
> # Broadcom pinctrl support
>
> -obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o
> -obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o
> +obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o
> +obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o
> +obj-$(CONFIG_PINCTRL_CYGNUS_MUX) += pinctrl-cygnus-mux.o

So pinctrl-cygnus-mux.o will be built-in (or not built, of course).

> diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
> new file mode 100644
> index 0000000..f9a9283
> --- /dev/null
> +++ b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
> @@ -0,0 +1,1022 @@
>[...]
> +MODULE_AUTHOR("Ray Jui <rjui@xxxxxxxxxxxx>");
> +MODULE_DESCRIPTION("Broadcom Cygnus IOMUX driver");
> +MODULE_LICENSE("GPL v2");

These three macros will be preprocessed away. (And I guess you could
also drop the linux/module.h include, but I haven't actually tested that
guess.)


Paul Bolle

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