diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc/sh_pfc.h')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/sh_pfc.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index e00a4b12279c..6ab4b46583de 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -52,6 +52,29 @@ struct sh_pfc_pin_group { unsigned int nr_pins; }; +/* + * Using union vin_data saves memory occupied by the VIN data pins. + * VIN_DATA_PIN_GROUP() is a macro used to describe the VIN pin groups + * in this case. + */ +#define VIN_DATA_PIN_GROUP(n, s) \ + { \ + .name = #n#s, \ + .pins = n##_pins.data##s, \ + .mux = n##_mux.data##s, \ + .nr_pins = ARRAY_SIZE(n##_pins.data##s), \ + } + +union vin_data { + unsigned int data24[24]; + unsigned int data20[20]; + unsigned int data16[16]; + unsigned int data12[12]; + unsigned int data10[10]; + unsigned int data8[8]; + unsigned int data4[4]; +}; + #define SH_PFC_FUNCTION(n) \ { \ .name = #n, \ |