diff options
| -rw-r--r-- | drivers/pinctrl/renesas/sh_pfc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h index d6292a79282f..6f7fe21c982e 100644 --- a/drivers/pinctrl/renesas/sh_pfc.h +++ b/drivers/pinctrl/renesas/sh_pfc.h @@ -58,6 +58,18 @@ struct sh_pfc_pin { } #define SH_PFC_PIN_GROUP(name) SH_PFC_PIN_GROUP_ALIAS(name, name) +/* + * Define a pin group referring to a subset of an array of pins. + */ +#define SH_PFC_PIN_GROUP_SUBSET(_name, data, first, n) { \ + .name = #_name, \ + .pins = data##_pins + first, \ + .mux = data##_mux + first, \ + .nr_pins = n + \ + BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_pins)) + \ + BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_mux)), \ +} + struct sh_pfc_pin_group { const char *name; const unsigned int *pins; |