[U-Boot] [PATCH] pmic: stpmic1: add support for SYSRESET_POWER_OFF
Patrick Delaunay
patrick.delaunay at st.com
Mon May 20 07:47:07 UTC 2019
Adds support for SYSRESET_POWER_OFF = PMIC power off used by command
power off and introduced by commit 751fed426f87 ("sysreset: Add a way
to find the last reset").
The driver use SYSRESET_POWER for the PMIC-level power cycle, with restart.
Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---
drivers/power/pmic/stpmic1.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/power/pmic/stpmic1.c b/drivers/power/pmic/stpmic1.c
index 65296c5..c338148 100644
--- a/drivers/power/pmic/stpmic1.c
+++ b/drivers/power/pmic/stpmic1.c
@@ -221,7 +221,7 @@ static int stpmic1_sysreset_request(struct udevice *dev, enum sysreset_t type)
struct udevice *pmic_dev;
int ret;
- if (type != SYSRESET_POWER)
+ if (type != SYSRESET_POWER && type != SYSRESET_POWER_OFF)
return -EPROTONOSUPPORT;
ret = uclass_get_device_by_driver(UCLASS_PMIC,
@@ -235,8 +235,13 @@ static int stpmic1_sysreset_request(struct udevice *dev, enum sysreset_t type)
if (ret < 0)
return ret;
- ret = pmic_reg_write(pmic_dev, STPMIC1_MAIN_CR,
- ret | STPMIC1_SWOFF | STPMIC1_RREQ_EN);
+ ret |= STPMIC1_SWOFF;
+ ret &= ~STPMIC1_RREQ_EN;
+ /* request Power Cycle */
+ if (type == SYSRESET_POWER)
+ ret |= STPMIC1_RREQ_EN;
+
+ ret = pmic_reg_write(pmic_dev, STPMIC1_MAIN_CR, ret);
if (ret < 0)
return ret;
--
2.7.4
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