1 files changed, 90 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/misc/stm32_rcc.c b/roms/u-boot/drivers/misc/stm32_rcc.c
new file mode 100644
index 000000000..f14d6e26d
--- /dev/null
+++ b/roms/u-boot/drivers/misc/stm32_rcc.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
+ * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
+ */
+
+#define LOG_CATEGORY UCLASS_NOP
+
+#include <common.h>
+#include <dm.h>
+#include <log.h>
+#include <misc.h>
+#include <stm32_rcc.h>
+#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
+
+struct stm32_rcc_clk stm32_rcc_clk_f42x = {
+	.drv_name = "stm32fx_rcc_clock",
+	.soc = STM32F42X,
+};
+
+struct stm32_rcc_clk stm32_rcc_clk_f469 = {
+	.drv_name = "stm32fx_rcc_clock",
+	.soc = STM32F469,
+};
+
+struct stm32_rcc_clk stm32_rcc_clk_f7 = {
+	.drv_name = "stm32fx_rcc_clock",
+	.soc = STM32F7,
+};
+
+struct stm32_rcc_clk stm32_rcc_clk_h7 = {
+	.drv_name = "stm32h7_rcc_clock",
+};
+
+struct stm32_rcc_clk stm32_rcc_clk_mp1 = {
+	.drv_name = "stm32mp1_clk",
+	.soc = STM32MP1,
+};
+
+static int stm32_rcc_bind(struct udevice *dev)
+{
+	struct udevice *child;
+	struct driver *drv;
+	struct stm32_rcc_clk *rcc_clk =
+		(struct stm32_rcc_clk *)dev_get_driver_data(dev);
+	int ret;
+
+	dev_dbg(dev, "RCC bind\n");
+	drv = lists_driver_lookup_name(rcc_clk->drv_name);
+	if (!drv) {
+		dev_err(dev, "Cannot find driver '%s'\n", rcc_clk->drv_name);
+		return -ENOENT;
+	}
+
+	ret = device_bind_with_driver_data(dev, drv, dev->name,
+					   rcc_clk->soc,
+					   dev_ofnode(dev), &child);
+
+	if (ret)
+		return ret;
+
+	drv = lists_driver_lookup_name("stm32_rcc_reset");
+	if (!drv) {
+		dev_err(dev, "Cannot find driver stm32_rcc_reset'\n");
+		return -ENOENT;
+	}
+
+	return device_bind_with_driver_data(dev, drv, dev->name,
+					    rcc_clk->soc,
+					    dev_ofnode(dev), &child);
+}
+
+
+static const struct udevice_id stm32_rcc_ids[] = {
+	{.compatible = "st,stm32f42xx-rcc", .data = (ulong)&stm32_rcc_clk_f42x },
+	{.compatible = "st,stm32f469-rcc", .data = (ulong)&stm32_rcc_clk_f469 },
+	{.compatible = "st,stm32f746-rcc", .data = (ulong)&stm32_rcc_clk_f7 },
+	{.compatible = "st,stm32h743-rcc", .data = (ulong)&stm32_rcc_clk_h7 },
+	{.compatible = "st,stm32mp1-rcc", .data = (ulong)&stm32_rcc_clk_mp1 },
+	{ }
+};
+
+U_BOOT_DRIVER(stm32_rcc) = {
+	.name		= "stm32-rcc",
+	.id		= UCLASS_NOP,
+	.of_match	= stm32_rcc_ids,
+	.bind		= stm32_rcc_bind,
+};