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sysreset: syscon: add support for power off

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The new type sysreset 'POWER_OFF', introduced by
commit 751fed426f ("sysreset: Add a way to find the last reset")
is only supported for "syscon-poweroff" compatible.

For details see Linux binding:
./Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt

This patch removes the support of POWER_OFF for "syscon-reboot"
and keeps only the COLD reset (for command reset support)
and it introduces the compatible "syscon-poweroff"
for the POWER_OFF case.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2019-05-20 10:58:39 +02:00
parent 4048e171d2
commit 486942184a
1 changed files with 4 additions and 2 deletions
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6
drivers/sysreset/sysreset_syscon.c
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@ -23,8 +23,9 @@ struct syscon_reboot_priv {
static int syscon_reboot_request(struct udevice *dev, enum sysreset_t type)
{
struct syscon_reboot_priv *priv = dev_get_priv(dev);
ulong driver_data = dev_get_driver_data(dev);
if (type == SYSRESET_POWER)
if (type != driver_data)
return -EPROTONOSUPPORT;
regmap_write(priv->regmap, priv->offset, priv->mask);
@ -53,7 +54,8 @@ int syscon_reboot_probe(struct udevice *dev)
}
static const struct udevice_id syscon_reboot_ids[] = {
{ .compatible = "syscon-reboot" },
{ .compatible = "syscon-reboot", .data = SYSRESET_COLD },
{ .compatible = "syscon-poweroff", .data = SYSRESET_POWER_OFF },
{ /* sentinel */ }
};