rockchip: pinctrl: Update the rk3288 driver to support of-platdata

Add support for of-platdata with rk3288. This requires disabling access to
the device tree and renaming the driver to match the string that of-platdata
will search for.

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/pinctrl/rockchip/pinctrl_rk3288.c

@@ -476,6 +476,7 @@ static int rk3288_pinctrl_request(struct udevice *dev, int func, int flags)
 static int rk3288_pinctrl_get_periph_id(struct udevice *dev,
 					struct udevice *periph)
 {
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	u32 cell[3];
 	int ret;
 
@@ -506,6 +507,7 @@ static int rk3288_pinctrl_get_periph_id(struct udevice *dev,
 	case 103:
 		return PERIPH_ID_HDMI;
 	}
+#endif
 
 	return -ENOENT;
 }
@@ -664,8 +666,12 @@ static struct pinctrl_ops rk3288_pinctrl_ops = {
 
 static int rk3288_pinctrl_bind(struct udevice *dev)
 {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+	return 0;
+#else
 	/* scan child GPIO banks */
 	return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
+#endif
 }
 
 #ifndef CONFIG_SPL_BUILD
@@ -719,7 +725,7 @@ static const struct udevice_id rk3288_pinctrl_ids[] = {
 };
 
 U_BOOT_DRIVER(pinctrl_rk3288) = {
-	.name		= "pinctrl_rk3288",
+	.name		= "rockchip_rk3288_pinctrl",
 	.id		= UCLASS_PINCTRL,
 	.of_match	= rk3288_pinctrl_ids,
 	.priv_auto_alloc_size = sizeof(struct rk3288_pinctrl_priv),