Re: [PATCH v4 4/9] arm: dts: dt-bindings: Add Renesas RZ/A1 pinctrl header

From: Geert Uytterhoeven
Date: Wed Apr 05 2017 - 10:27:48 EST


On Wed, Apr 5, 2017 at 4:07 PM, Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> wrote:
> --- /dev/null
> +++ b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
> @@ -0,0 +1,16 @@
> +/*
> + * Defines macros and constants for Renesas RZ/A1 pin controller pin
> + * muxing functions.
> + */
> +#ifndef __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H
> +#define __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H
> +
> +#define RZA1_PINS_PER_PORT 16
> +
> +/*
> + * Create the pin index from its bank and position numbers and store in
> + * the upper 16 bits the alternate function identifier
> + */
> +#define RZA1_PINMUX(b, p, f) ((b) * RZA1_PINS_PER_PORT + (p) | (f << 16))

... | (f) << 16)

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds