dm: misc: add stm32 rcc driver

[u-boot] / drivers / misc / stm32_rcc.c

diff --git a/drivers/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c
new file mode 100644 (file)
index 0000000..a6c2a75
--- /dev/null
+++ b/drivers/misc/stm32_rcc.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2017
+ * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <misc.h>
+#include <dm/lists.h>
+
+static int stm32_rcc_bind(struct udevice *dev)
+{
+       int ret;
+       struct udevice *child;
+
+       debug("%s(dev=%p)\n", __func__, dev);
+
+       ret = device_bind_driver_to_node(dev, "stm32h7_rcc_clock",
+                                        "stm32h7_rcc_clock",
+                                        dev_ofnode(dev), &child);
+       if (ret)
+               return ret;
+
+       return device_bind_driver_to_node(dev, "stm32_rcc_reset",
+                                         "stm32_rcc_reset",
+                                         dev_ofnode(dev), &child);
+}
+
+static const struct misc_ops stm32_rcc_ops = {
+};
+
+static const struct udevice_id stm32_rcc_ids[] = {
+       {.compatible = "st,stm32h743-rcc"},
+       { }
+};
+
+U_BOOT_DRIVER(stm32_rcc) = {
+       .name           = "stm32-rcc",
+       .id             = UCLASS_MISC,
+       .of_match       = stm32_rcc_ids,
+       .bind           = stm32_rcc_bind,
+       .ops            = &stm32_rcc_ops,
+};