1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
index 034c0317c8d6..ee15ab067b5f 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.h
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
@@ -79,6 +79,10 @@
 #define IRQ_LEVEL_LOW		0x03
 #define IRQ_EDGE_BOTH		0x04
 
+#define GRP_CFG_REG		0x300
+
+#define IO_BIAS_MASK		GENMASK(3, 0)
+
 #define SUN4I_FUNC_INPUT	0
 #define SUN4I_FUNC_IRQ		6
 
@@ -113,6 +117,7 @@ struct sunxi_pinctrl_desc {
 	const unsigned int		*irq_bank_map;
 	bool				irq_read_needs_mux;
 	bool				disable_strict_mode;
+	bool				has_io_bias_cfg;
 };
 
 struct sunxi_pinctrl_function {
@@ -338,6 +343,13 @@ static inline u32 sunxi_irq_status_offset(u16 irq)
 	return irq_num * IRQ_STATUS_IRQ_BITS;
 }
 
+static inline u32 sunxi_grp_config_reg(u16 pin)
+{
+	u8 bank = pin / PINS_PER_BANK;
+
+	return GRP_CFG_REG + bank * 0x4;
+}
+
 int sunxi_pinctrl_init_with_variant(struct platform_device *pdev,
 				    const struct sunxi_pinctrl_desc *desc,
 				    unsigned long variant);