dm: misc: bind STM32F4/F7 clock from rcc MFD driver

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

diff --git a/drivers/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c
index 32d39719d817fe15b8eb9ae9e35fcc909190ae34..87d9928362be9ec7260ad54b94cb5f6b34a43996 100644 (file)
--- a/drivers/misc/stm32_rcc.c
+++ b/drivers/misc/stm32_rcc.c
@@ -8,31 +8,63 @@
 #include <common.h>
 #include <dm.h>
 #include <misc.h>
+#include <stm32_rcc.h>
+#include <dm/device-internal.h>
 #include <dm/lists.h>
 
+struct stm32_rcc_clk stm32_rcc_clk_f4 = {
+       .drv_name = "stm32fx_rcc_clock",
+       .soc = STM32F4,
+};
+
+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",
+};
+
 static int stm32_rcc_bind(struct udevice *dev)
 {
-       int ret;
        struct udevice *child;
+       struct driver *drv;
+       struct stm32_rcc_clk *rcc_clk =
+               (struct stm32_rcc_clk *)dev_get_driver_data(dev);
+       int ret;
 
        debug("%s(dev=%p)\n", __func__, dev);
 
-       ret = device_bind_driver_to_node(dev, "stm32h7_rcc_clock",
-                                        "stm32h7_rcc_clock",
-                                        dev_ofnode(dev), &child);
+       drv = lists_driver_lookup_name(rcc_clk->drv_name);
+       if (!drv) {
+               debug("Cannot find driver '%s'\n", rcc_clk->drv_name);
+               return -ENOENT;
+       }
+
+       ret = device_bind_with_driver_data(dev, drv, rcc_clk->drv_name,
+                                          rcc_clk->soc,
+                                          dev_ofnode(dev), &child);
+
        if (ret)
                return ret;
 
+#ifdef CONFIG_SPL_BUILD
+       return 0;
+#else
        return device_bind_driver_to_node(dev, "stm32_rcc_reset",
                                          "stm32_rcc_reset",
                                          dev_ofnode(dev), &child);
+#endif
 }
 
 static const struct misc_ops stm32_rcc_ops = {
 };
 
 static const struct udevice_id stm32_rcc_ids[] = {
-       {.compatible = "st,stm32h743-rcc"},
+       {.compatible = "st,stm32f42xx-rcc", .data = (ulong)&stm32_rcc_clk_f4 },
+       {.compatible = "st,stm32f746-rcc", .data = (ulong)&stm32_rcc_clk_f7 },
+       {.compatible = "st,stm32h743-rcc", .data = (ulong)&stm32_rcc_clk_h7 },
        { }
 };