dm: i2c: Convert uclass to livetree
Update the i2c uclass to support a live device tree.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c
index f3184c7..1397f34 100644
--- a/drivers/i2c/i2c-uclass.c
+++ b/drivers/i2c/i2c-uclass.c
@@ -7,7 +7,6 @@
#include <common.h>
#include <dm.h>
#include <errno.h>
-#include <fdtdec.h>
#include <i2c.h>
#include <malloc.h>
#include <dm/device-internal.h>
@@ -467,18 +466,20 @@
}
#if CONFIG_IS_ENABLED(OF_CONTROL)
-int i2c_chip_ofdata_to_platdata(const void *blob, int node,
- struct dm_i2c_chip *chip)
+int i2c_chip_ofdata_to_platdata(struct udevice *dev, struct dm_i2c_chip *chip)
{
- chip->offset_len = fdtdec_get_int(gd->fdt_blob, node,
- "u-boot,i2c-offset-len", 1);
+ int addr;
+
+ chip->offset_len = dev_read_u32_default(dev, "u-boot,i2c-offset-len",
+ 1);
chip->flags = 0;
- chip->chip_addr = fdtdec_get_int(gd->fdt_blob, node, "reg", -1);
- if (chip->chip_addr == -1) {
- debug("%s: I2C Node '%s' has no 'reg' property\n", __func__,
- fdt_get_name(blob, node, NULL));
+ addr = dev_read_u32_default(dev, "reg", -1);
+ if (addr == -1) {
+ debug("%s: I2C Node '%s' has no 'reg' property %s\n", __func__,
+ dev_read_name(dev), dev->name);
return -EINVAL;
}
+ chip->chip_addr = addr;
return 0;
}
@@ -489,8 +490,7 @@
#if CONFIG_IS_ENABLED(OF_CONTROL)
struct dm_i2c_bus *i2c = dev_get_uclass_priv(dev);
- i2c->speed_hz = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
- "clock-frequency", 100000);
+ i2c->speed_hz = dev_read_u32_default(dev, "clock-frequency", 100000);
return dm_i2c_set_bus_speed(dev, i2c->speed_hz);
#else
@@ -503,11 +503,9 @@
#if CONFIG_IS_ENABLED(OF_CONTROL)
struct dm_i2c_chip *plat = dev_get_parent_platdata(dev);
- if (dev_of_offset(dev) == -1)
+ if (!dev_of_valid(dev))
return 0;
-
- return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev_of_offset(dev),
- plat);
+ return i2c_chip_ofdata_to_platdata(dev, plat);
#else
return 0;
#endif