| Message ID | 1490026491-21742-4-git-send-email-jacopo+renesas@jmondi.org (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Simon Horman |
| Headers | show |
On Mon, Mar 20, 2017 at 5:14 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote: > Add dt-bindings for Renesas r7s72100 pin controller header file. > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> > --- > include/dt-bindings/pinctrl/r7s72100-pinctrl.h | 36 ++++++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > create mode 100644 include/dt-bindings/pinctrl/r7s72100-pinctrl.h > > diff --git a/include/dt-bindings/pinctrl/r7s72100-pinctrl.h b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h > new file mode 100644 > index 0000000..98852d3 > --- /dev/null > +++ b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h > @@ -0,0 +1,36 @@ > +/* > + * 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 it's bank and position numbers */ its bank > +#define PIN(b, p) ((b) * RZA1_PINS_PER_PORT + (p)) > + > +/* > + * Flags to apply to alternate function configuration > + * All of the following are mutually exclusive. > + */ > + > +/* > + * Pin is bi-directional. > + * Alternate function that need both input/outpu functionalities shall An alternate function that needs ... output > + * be configured as bidirectional. > + * Eg. SDA/SCL pins of an I2c interface. > + */ > +#define BI_DIR (1 << 3) > + > +/* > + * Flags used to ask software drive the pin I/O direction overriding the to drive > + * alternate function configuration. > + * Some alternate function requires software to force I/O direction of a pin, functions require > + * ovverriding the designated one. overriding > + * Reference to the HW manual to know when this flag shall be used. Refer Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org 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
diff --git a/include/dt-bindings/pinctrl/r7s72100-pinctrl.h b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h new file mode 100644 index 0000000..98852d3 --- /dev/null +++ b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h @@ -0,0 +1,36 @@ +/* + * 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 it's bank and position numbers */ +#define PIN(b, p) ((b) * RZA1_PINS_PER_PORT + (p)) + +/* + * Flags to apply to alternate function configuration + * All of the following are mutually exclusive. + */ + +/* + * Pin is bi-directional. + * Alternate function that need both input/outpu functionalities shall + * be configured as bidirectional. + * Eg. SDA/SCL pins of an I2c interface. + */ +#define BI_DIR (1 << 3) + +/* + * Flags used to ask software drive the pin I/O direction overriding the + * alternate function configuration. + * Some alternate function requires software to force I/O direction of a pin, + * ovverriding the designated one. + * Reference to the HW manual to know when this flag shall be used. + */ +#define SWIO_IN (1 << 4) +#define SWIO_OUT (1 << 5) + +#endif
Add dt-bindings for Renesas r7s72100 pin controller header file. Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> --- include/dt-bindings/pinctrl/r7s72100-pinctrl.h | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 include/dt-bindings/pinctrl/r7s72100-pinctrl.h