pinmux_type
int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type)
switch (pinmux_type) {
if (pinmux_type == PINMUX_TYPE_FUNCTION) {
} else if (pinmux_type != PINMUX_TYPE_GPIO) {
int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
const enum pinmux_type type; /* function type */