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drivers: i2c: uclass: parse dt parameters only when CONFIG_OF_CONTROL is enable

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parse dt parameter of i2c devices only when CONFIG_OF_CONTROL
is enabled.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Mugunthan V N 2016-07-18 15:10:58 +05:30 • committed by Heiko Schocher
parent 7fb825f5b1
commit 5142ac7916
1 changed files with 14 additions and 0 deletions
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14
drivers/i2c/i2c-uclass.c
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@ -467,6 +467,7 @@ int i2c_deblock(struct udevice *bus)
return ops->deblock(bus); return ops->deblock(bus);
} }
#if CONFIG_IS_ENABLED(OF_CONTROL)
int i2c_chip_ofdata_to_platdata(const void *blob, int node, int i2c_chip_ofdata_to_platdata(const void *blob, int node,
struct dm_i2c_chip *chip) struct dm_i2c_chip *chip)
{ {
@ -482,31 +483,44 @@ int i2c_chip_ofdata_to_platdata(const void *blob, int node,
return 0; return 0;
} }
#endif
static int i2c_post_probe(struct udevice *dev) static int i2c_post_probe(struct udevice *dev)
{ {
#if CONFIG_IS_ENABLED(OF_CONTROL)
struct dm_i2c_bus *i2c = dev_get_uclass_priv(dev); struct dm_i2c_bus *i2c = dev_get_uclass_priv(dev);
i2c->speed_hz = fdtdec_get_int(gd->fdt_blob, dev->of_offset, i2c->speed_hz = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"clock-frequency", 100000); "clock-frequency", 100000);
return dm_i2c_set_bus_speed(dev, i2c->speed_hz); return dm_i2c_set_bus_speed(dev, i2c->speed_hz);
#else
return 0;
#endif
} }
static int i2c_post_bind(struct udevice *dev) static int i2c_post_bind(struct udevice *dev)
{ {
#if CONFIG_IS_ENABLED(OF_CONTROL)
/* Scan the bus for devices */ /* Scan the bus for devices */
return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false); return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
#else
return 0;
#endif
} }
static int i2c_child_post_bind(struct udevice *dev) static int i2c_child_post_bind(struct udevice *dev)
{ {
#if CONFIG_IS_ENABLED(OF_CONTROL)
struct dm_i2c_chip *plat = dev_get_parent_platdata(dev); struct dm_i2c_chip *plat = dev_get_parent_platdata(dev);
if (dev->of_offset == -1) if (dev->of_offset == -1)
return 0; return 0;
return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset, plat); return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset, plat);
#else
return 0;
#endif
} }
UCLASS_DRIVER(i2c) = { UCLASS_DRIVER(i2c) = {