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-rw-r--r--drivers/pinctrl/sh-pfc/core.c15
-rw-r--r--drivers/pinctrl/sh-pfc/core.h4
-rw-r--r--drivers/pinctrl/sh-pfc/sh_pfc.h6
3 files changed, 25 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
index f3a8897..cf80ce1 100644
--- a/drivers/pinctrl/sh-pfc/core.c
+++ b/drivers/pinctrl/sh-pfc/core.c
@@ -389,6 +389,21 @@ int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type)
return 0;
}
+const struct sh_pfc_bias_info *
+sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info,
+ unsigned int num, unsigned int pin)
+{
+ unsigned int i;
+
+ for (i = 0; i < num; i++)
+ if (info[i].pin == pin)
+ return &info[i];
+
+ WARN_ONCE(1, "Pin %u is not in bias info list\n", pin);
+
+ return NULL;
+}
+
static int sh_pfc_init_ranges(struct sh_pfc *pfc)
{
struct sh_pfc_pin_range *range;
diff --git a/drivers/pinctrl/sh-pfc/core.h b/drivers/pinctrl/sh-pfc/core.h
index 0bbdea58..6d598dd 100644
--- a/drivers/pinctrl/sh-pfc/core.h
+++ b/drivers/pinctrl/sh-pfc/core.h
@@ -33,4 +33,8 @@ void sh_pfc_write_reg(struct sh_pfc *pfc, u32 reg, unsigned int width,
int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
+const struct sh_pfc_bias_info *
+sh_pfc_pin_to_bias_info(const struct sh_pfc_bias_info *info,
+ unsigned int num, unsigned int pin);
+
#endif /* __SH_PFC_CORE_H__ */
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 2345421..9556c17 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -189,6 +189,12 @@ struct sh_pfc_window {
unsigned long size;
};
+struct sh_pfc_bias_info {
+ u16 pin;
+ u16 reg : 11;
+ u16 bit : 5;
+};
+
struct sh_pfc_pin_range;
struct sh_pfc {
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