diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
index 546f23c..30dec0e 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2015-2017 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,11 +27,18 @@
 #include "../pinctrl-utils.h"
 #include "pinctrl-uniphier.h"
 
+#define UNIPHIER_PINCTRL_PINMUX_BASE	0x1000
+#define UNIPHIER_PINCTRL_LOAD_PINMUX	0x1700
+#define UNIPHIER_PINCTRL_DRVCTRL_BASE	0x1800
+#define UNIPHIER_PINCTRL_DRV2CTRL_BASE	0x1900
+#define UNIPHIER_PINCTRL_DRV3CTRL_BASE	0x1980
+#define UNIPHIER_PINCTRL_PUPDCTRL_BASE	0x1a00
+#define UNIPHIER_PINCTRL_IECTRL		0x1d00
+
 struct uniphier_pinctrl_priv {
 	struct pinctrl_desc pctldesc;
 	struct pinctrl_dev *pctldev;
 	struct regmap *regmap;
-	unsigned int regbase;
 	struct uniphier_pinctrl_socdata *socdata;
 };
 
@@ -171,7 +179,7 @@ static int uniphier_conf_pin_bias_get(struct pinctrl_dev *pctldev,
 	reg = UNIPHIER_PINCTRL_PUPDCTRL_BASE + pupdctrl / 32 * 4;
 	shift = pupdctrl % 32;
 
-	ret = regmap_read(priv->regmap, priv->regbase + reg, &val);
+	ret = regmap_read(priv->regmap, reg, &val);
 	if (ret)
 		return ret;
 
@@ -231,7 +239,7 @@ static int uniphier_conf_pin_drive_get(struct pinctrl_dev *pctldev,
 	shift = drvctrl % 32;
 	mask = (1U << width) - 1;
 
-	ret = regmap_read(priv->regmap, priv->regbase + reg, &val);
+	ret = regmap_read(priv->regmap, reg, &val);
 	if (ret)
 		return ret;
 
@@ -252,8 +260,7 @@ static int uniphier_conf_pin_input_enable_get(struct pinctrl_dev *pctldev,
 		/* This pin is always input-enabled. */
 		return 0;
 
-	ret = regmap_read(priv->regmap,
-			  priv->regbase + UNIPHIER_PINCTRL_IECTRL, &val);
+	ret = regmap_read(priv->regmap, UNIPHIER_PINCTRL_IECTRL, &val);
 	if (ret)
 		return ret;
 
@@ -366,8 +373,7 @@ static int uniphier_conf_pin_bias_set(struct pinctrl_dev *pctldev,
 	reg = UNIPHIER_PINCTRL_PUPDCTRL_BASE + pupdctrl / 32 * 4;
 	shift = pupdctrl % 32;
 
-	return regmap_update_bits(priv->regmap, priv->regbase + reg,
-				  1 << shift, val << shift);
+	return regmap_update_bits(priv->regmap, reg, 1 << shift, val << shift);
 }
 
 static int uniphier_conf_pin_drive_set(struct pinctrl_dev *pctldev,
@@ -427,7 +433,7 @@ static int uniphier_conf_pin_drive_set(struct pinctrl_dev *pctldev,
 	shift = drvctrl % 32;
 	mask = (1U << width) - 1;
 
-	return regmap_update_bits(priv->regmap, priv->regbase + reg,
+	return regmap_update_bits(priv->regmap, reg,
 				  mask << shift, val << shift);
 }
 
@@ -451,7 +457,7 @@ static int uniphier_conf_pin_input_enable(struct pinctrl_dev *pctldev,
 	if (iectrl == UNIPHIER_PIN_IECTRL_NONE)
 		return enable ? 0 : -EINVAL;
 
-	reg = priv->regbase + UNIPHIER_PINCTRL_IECTRL + iectrl / 32 * 4;
+	reg = UNIPHIER_PINCTRL_IECTRL + iectrl / 32 * 4;
 	mask = BIT(iectrl % 32);
 
 	return regmap_update_bits(priv->regmap, reg, mask, enable ? mask : 0);
@@ -601,7 +607,7 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin,
 	 * stored in the offset+4.
 	 */
 	for (; reg < reg_end; reg += 4) {
-		ret = regmap_update_bits(priv->regmap, priv->regbase + reg,
+		ret = regmap_update_bits(priv->regmap, reg,
 					 mask << shift, muxval << shift);
 		if (ret)
 			return ret;
@@ -610,8 +616,7 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin,
 
 	if (load_pinctrl) {
 		ret = regmap_write(priv->regmap,
-				   priv->regbase + UNIPHIER_PINCTRL_LOAD_PINMUX,
-				   1);
+				   UNIPHIER_PINCTRL_LOAD_PINMUX, 1);
 		if (ret)
 			return ret;
 	}
@@ -698,20 +703,9 @@ int uniphier_pinctrl_probe(struct platform_device *pdev,
 	if (!priv)
 		return -ENOMEM;
 
-	if (of_device_is_compatible(dev->of_node, "socionext,ph1-ld4-pinctrl") ||
-	    of_device_is_compatible(dev->of_node, "socionext,ph1-pro4-pinctrl") ||
-	    of_device_is_compatible(dev->of_node, "socionext,ph1-sld8-pinctrl") ||
-	    of_device_is_compatible(dev->of_node, "socionext,ph1-pro5-pinctrl") ||
-	    of_device_is_compatible(dev->of_node, "socionext,proxstream2-pinctrl") ||
-	    of_device_is_compatible(dev->of_node, "socionext,ph1-ld6b-pinctrl")) {
-		/* old binding */
-		priv->regmap = syscon_node_to_regmap(dev->of_node);
-	} else {
-		priv->regbase = 0x1000;
-		parent = of_get_parent(dev->of_node);
-		priv->regmap = syscon_node_to_regmap(parent);
-		of_node_put(parent);
-	}
+	parent = of_get_parent(dev->of_node);
+	priv->regmap = syscon_node_to_regmap(parent);
+	of_node_put(parent);
 
 	if (IS_ERR(priv->regmap)) {
 		dev_err(dev, "failed to get regmap\n");
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c
index 3edfb6f..ce2a705 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c
@@ -929,7 +929,6 @@ static int uniphier_ld4_pinctrl_probe(struct platform_device *pdev)
 
 static const struct of_device_id uniphier_ld4_pinctrl_match[] = {
 	{ .compatible = "socionext,uniphier-ld4-pinctrl" },
-	{ .compatible = "socionext,ph1-ld4-pinctrl" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, uniphier_ld4_pinctrl_match);
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c
index 708e510..73e044b 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c
@@ -1290,7 +1290,6 @@ static int uniphier_ld6b_pinctrl_probe(struct platform_device *pdev)
 
 static const struct of_device_id uniphier_ld6b_pinctrl_match[] = {
 	{ .compatible = "socionext,uniphier-ld6b-pinctrl" },
-	{ .compatible = "socionext,ph1-ld6b-pinctrl" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, uniphier_ld6b_pinctrl_match);
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
index c306e84..6fe402c 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
@@ -1600,7 +1600,6 @@ static int uniphier_pro4_pinctrl_probe(struct platform_device *pdev)
 
 static const struct of_device_id uniphier_pro4_pinctrl_match[] = {
 	{ .compatible = "socionext,uniphier-pro4-pinctrl" },
-	{ .compatible = "socionext,ph1-pro4-pinctrl" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, uniphier_pro4_pinctrl_match);
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
index 55d4a12..f55457f 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
@@ -1365,7 +1365,6 @@ static int uniphier_pro5_pinctrl_probe(struct platform_device *pdev)
 
 static const struct of_device_id uniphier_pro5_pinctrl_match[] = {
 	{ .compatible = "socionext,uniphier-pro5-pinctrl" },
-	{ .compatible = "socionext,ph1-pro5-pinctrl" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, uniphier_pro5_pinctrl_match);
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
index 85ca5e2..93db82f 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
@@ -1277,7 +1277,6 @@ static int uniphier_pxs2_pinctrl_probe(struct platform_device *pdev)
 
 static const struct of_device_id uniphier_pxs2_pinctrl_match[] = {
 	{ .compatible = "socionext,uniphier-pxs2-pinctrl" },
-	{ .compatible = "socionext,proxstream2-pinctrl" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, uniphier_pxs2_pinctrl_match);
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c
index da689d8..3c673c2 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c
@@ -856,7 +856,6 @@ static int uniphier_sld8_pinctrl_probe(struct platform_device *pdev)
 
 static const struct of_device_id uniphier_sld8_pinctrl_match[] = {
 	{ .compatible = "socionext,uniphier-sld8-pinctrl" },
-	{ .compatible = "socionext,ph1-sld8-pinctrl" },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, uniphier_sld8_pinctrl_match);
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier.h b/drivers/pinctrl/uniphier/pinctrl-uniphier.h
index 923f36c..6f2f33b 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier.h
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier.h
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2015-2017 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,14 +23,6 @@
 
 struct platform_device;
 
-#define UNIPHIER_PINCTRL_PINMUX_BASE	0x0
-#define UNIPHIER_PINCTRL_LOAD_PINMUX	0x700
-#define UNIPHIER_PINCTRL_DRVCTRL_BASE	0x800
-#define UNIPHIER_PINCTRL_DRV2CTRL_BASE	0x900
-#define UNIPHIER_PINCTRL_DRV3CTRL_BASE	0x980
-#define UNIPHIER_PINCTRL_PUPDCTRL_BASE	0xa00
-#define UNIPHIER_PINCTRL_IECTRL		0xd00
-
 /* input enable control register bit */
 #define UNIPHIER_PIN_IECTRL_SHIFT	0
 #define UNIPHIER_PIN_IECTRL_BITS	8
