1 files changed, 43 insertions, 0 deletions
diff --git a/board/gdsys/a38x/dt_helpers.c b/board/gdsys/a38x/dt_helpers.c
new file mode 100644
index 0000000..759d82a
--- /dev/null
+++ b/board/gdsys/a38x/dt_helpers.c
@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2016
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <fdt_support.h>
+#include <asm-generic/gpio.h>
+#include <dm.h>
+
+int fdt_disable_by_ofname(void *rw_fdt_blob, char *ofname)
+{
+	int offset = fdt_path_offset(rw_fdt_blob, ofname);
+
+	return fdt_status_disabled(rw_fdt_blob, offset);
+}
+
+bool dm_i2c_simple_probe(struct udevice *bus, uint chip_addr)
+{
+	struct udevice *dev;
+
+	return !dm_i2c_probe(bus, chip_addr, DM_I2C_CHIP_RD_ADDRESS |
+			     DM_I2C_CHIP_WR_ADDRESS, &dev);
+}
+
+int request_gpio_by_name(struct gpio_desc *gpio, const char *gpio_dev_name,
+			 uint offset, char *gpio_name)
+{
+	struct udevice *gpio_dev = NULL;
+
+	if (uclass_get_device_by_name(UCLASS_GPIO, gpio_dev_name, &gpio_dev))
+		return 1;
+
+	gpio->dev = gpio_dev;
+	gpio->offset = offset;
+	gpio->flags = 0;
+
+	return dm_gpio_request(gpio, gpio_name);
+}
+