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authorTom Rini <trini@konsulko.com>2019-07-28 02:50:52 +0300
committerTom Rini <trini@konsulko.com>2019-07-28 02:50:52 +0300
commit75551c8bfc9545e31ec2ce238cac3857904007b8 (patch)
tree5930f2feea2b0a42c28b211c6c0018f15e694d0f /drivers/power
parentdf9a7a195bdf0722399199bf373afc8309ae3ad7 (diff)
parentadc097e13320f1016526f0fab75321ad7bab9521 (diff)
downloadu-boot-75551c8bfc9545e31ec2ce238cac3857904007b8.tar.xz
Merge branch '2019-07-26-ti-imports'
- Bring in the rest of the J271E platform - Various OMAP3/AM3517, DA850 fixes
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/domain/ti-sci-power-domain.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/power/domain/ti-sci-power-domain.c b/drivers/power/domain/ti-sci-power-domain.c
index aafde62cbf..b9cd37b612 100644
--- a/drivers/power/domain/ti-sci-power-domain.c
+++ b/drivers/power/domain/ti-sci-power-domain.c
@@ -13,6 +13,7 @@
#include <errno.h>
#include <power-domain-uclass.h>
#include <linux/soc/ti/ti_sci_protocol.h>
+#include <dt-bindings/soc/ti,sci_pm_domain.h>
/**
* struct ti_sci_power_domain_data - pm domain controller information structure
@@ -56,11 +57,16 @@ static int ti_sci_power_domain_on(struct power_domain *pd)
struct ti_sci_power_domain_data *data = dev_get_priv(pd->dev);
const struct ti_sci_handle *sci = data->sci;
const struct ti_sci_dev_ops *dops = &sci->ops.dev_ops;
+ u8 flags = (uintptr_t)pd->priv;
int ret;
debug("%s(pd=%p)\n", __func__, pd);
- ret = dops->get_device(sci, pd->id);
+ if (flags & TI_SCI_PD_EXCLUSIVE)
+ ret = dops->get_device_exclusive(sci, pd->id);
+ else
+ ret = dops->get_device(sci, pd->id);
+
if (ret)
dev_err(power_domain->dev, "%s: get_device failed (%d)\n",
__func__, ret);
@@ -85,6 +91,28 @@ static int ti_sci_power_domain_off(struct power_domain *pd)
return ret;
}
+static int ti_sci_power_domain_of_xlate(struct power_domain *pd,
+ struct ofnode_phandle_args *args)
+{
+ u8 flags;
+
+ debug("%s(power_domain=%p)\n", __func__, pd);
+
+ if (args->args_count < 1) {
+ debug("Invalid args_count: %d\n", args->args_count);
+ return -EINVAL;
+ }
+
+ pd->id = args->args[0];
+ /* By default request for device exclusive */
+ flags = TI_SCI_PD_EXCLUSIVE;
+ if (args->args_count == 2)
+ flags = args->args[1] & TI_SCI_PD_EXCLUSIVE;
+ pd->priv = (void *)(uintptr_t)flags;
+
+ return 0;
+}
+
static const struct udevice_id ti_sci_power_domain_of_match[] = {
{ .compatible = "ti,sci-pm-domain" },
{ /* sentinel */ }
@@ -95,6 +123,7 @@ static struct power_domain_ops ti_sci_power_domain_ops = {
.free = ti_sci_power_domain_free,
.on = ti_sci_power_domain_on,
.off = ti_sci_power_domain_off,
+ .of_xlate = ti_sci_power_domain_of_xlate,
};
U_BOOT_DRIVER(ti_sci_pm_domains) = {