diff options
Diffstat (limited to 'drivers/i2c/designware_i2c.c')
| -rw-r--r-- | drivers/i2c/designware_i2c.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c index 0a1df8015f..34b6816545 100644 --- a/drivers/i2c/designware_i2c.c +++ b/drivers/i2c/designware_i2c.c @@ -535,11 +535,15 @@ static int designware_i2c_probe_chip(struct udevice *bus, uint chip_addr, return ret; } -static int designware_i2c_ofdata_to_platdata(struct udevice *bus) +int designware_i2c_ofdata_to_platdata(struct udevice *bus) { struct dw_i2c *priv = dev_get_priv(bus); - priv->regs = (struct i2c_regs *)devfdt_get_addr_ptr(bus); + if (!priv->regs) + priv->regs = (struct i2c_regs *)devfdt_get_addr_ptr(bus); + dev_read_u32(bus, "i2c-scl-rising-time-ns", &priv->scl_rise_time_ns); + dev_read_u32(bus, "i2c-scl-falling-time-ns", &priv->scl_fall_time_ns); + dev_read_u32(bus, "i2c-sda-hold-time-ns", &priv->sda_hold_time_ns); return 0; } |