Merge branch 'master' of git://git.denx.de/u-boot-socfpga

This commit is contained in:
Tom Rini
2019-04-26 13:49:58 -04:00
36 changed files with 104 additions and 288 deletions

View File

@@ -34,7 +34,7 @@ static struct dw_scl_sda_cfg byt_config = {
struct dw_i2c {
struct i2c_regs *regs;
struct dw_scl_sda_cfg *scl_sda_cfg;
struct reset_ctl reset_ctl;
struct reset_ctl_bulk resets;
};
#ifdef CONFIG_SYS_I2C_DW_ENABLE_STATUS_UNSUPPORTED
@@ -562,16 +562,22 @@ static int designware_i2c_probe(struct udevice *bus)
priv->regs = (struct i2c_regs *)devfdt_get_addr_ptr(bus);
}
ret = reset_get_by_name(bus, "i2c", &priv->reset_ctl);
ret = reset_get_bulk(bus, &priv->resets);
if (ret)
pr_info("reset_get_by_name() failed: %d\n", ret);
if (&priv->reset_ctl)
reset_deassert(&priv->reset_ctl);
dev_warn(bus, "Can't get reset: %d\n", ret);
else
reset_deassert_bulk(&priv->resets);
return __dw_i2c_init(priv->regs, 0, 0);
}
static int designware_i2c_remove(struct udevice *dev)
{
struct dw_i2c *priv = dev_get_priv(dev);
return reset_release_bulk(&priv->resets);
}
static int designware_i2c_bind(struct udevice *dev)
{
static int num_cards;
@@ -613,6 +619,8 @@ U_BOOT_DRIVER(i2c_designware) = {
.bind = designware_i2c_bind,
.probe = designware_i2c_probe,
.priv_auto_alloc_size = sizeof(struct dw_i2c),
.remove = designware_i2c_remove,
.flags = DM_FLAG_OS_PREPARE,
.ops = &designware_i2c_ops,
};

View File

@@ -155,6 +155,15 @@ static int m41t62_rtc_reset(struct udevice *dev)
return ret;
}
/*
* Make sure HT bit is cleared. This bit is set on entering battery backup
* mode, so do this before the first read access.
*/
static int m41t62_rtc_probe(struct udevice *dev)
{
return m41t62_rtc_reset(dev);
}
static const struct rtc_ops m41t62_rtc_ops = {
.get = m41t62_rtc_get,
.set = m41t62_rtc_set,
@@ -163,6 +172,7 @@ static const struct rtc_ops m41t62_rtc_ops = {
static const struct udevice_id m41t62_rtc_ids[] = {
{ .compatible = "st,m41t62" },
{ .compatible = "st,m41t82" },
{ .compatible = "microcrystal,rv4162" },
{ }
};
@@ -172,6 +182,7 @@ U_BOOT_DRIVER(rtc_m41t62) = {
.id = UCLASS_RTC,
.of_match = m41t62_rtc_ids,
.ops = &m41t62_rtc_ops,
.probe = &m41t62_rtc_probe,
};
#else /* NON DM RTC code - will be removed */