gpio: Convert to use APIs which support live DT

Use ofnode_ or dev_ APIs instead of fdt_ and fdtdec_ APIs so that the
driver can support live DT.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>

diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 0c01413..4785b6b 100644 (file)
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -1100,9 +1100,8 @@ int gpio_get_list_count(struct udevice *dev, const char *list_name)
 {
        int ret;
 
-       ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, dev_of_offset(dev),
-                                            list_name, "#gpio-cells", 0, -1,
-                                            NULL);
+       ret = dev_read_phandle_with_args(dev, list_name, "#gpio-cells", 0, -1,
+                                        NULL);
        if (ret) {
                debug("%s: Node '%s', property '%s', GPIO count failed: %d\n",
                      __func__, dev->name, list_name, ret);