[PATCH 2/5] ARM: bcm2835: Replace alt0/i2s_alt[02] with standard groups.

Linus Walleij linus.walleij at linaro.org
Tue Mar 8 00:24:34 PST 2016


On Sat, Feb 27, 2016 at 1:19 AM, Eric Anholt <eric at anholt.net> wrote:

> Since all of these pins were documented, we can use their names to
> explain what's going on.
>
> Signed-off-by: Eric Anholt <eric at anholt.net>

> +       pinctrl-0 = <&i2c0_gpio0
> +                    &i2c1_gpio2
> +                    &gpclk0_gpio4
> +                    &gpclk1_gpio5
> +                    &spi0_gpio7
> +                    &pcm_gpio18
> +                    &pwm0_gpio40
> +                    &pwm1_gpio45
> +                    &gpioout
> +                    &alt3>;

Why are all of these done as hogs instead of being in pinctrl-0
"default" for the device that is using them? i2c1, gpclk0,
etc?

The only reason I see would be if they are unused or something.

Yours,
Linus Walleij



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