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soc: qcom: pmic_glink: Add support for SOCCP remoteproc channels 

System On Chip Control Processor (SOCCP) is a subsystem that can have
battery management firmware running on it to support Type-C/PD and
battery charging. SOCCP does not have multiple PDs and hence PDR is not
supported. So, if the subsystem comes up/down, rpmsg driver would be
probed or removed. Use that for notifying clients of pmic_glink for
PDR events.

Add support for battery management FW running on SOCCP by adding the
"PMIC_RTR_SOCCP_APPS" channel name to the rpmsg_match list and
updating notify_clients logic.

Signed-off-by: Anjelique Melendez <anjelique.melendez@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250919175025.2988948-1-anjelique.melendez@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Anjelique Melendez 2025-09-19 10:50:25 -07:00 committed by Bjorn Andersson
parent edd548dc64
commit 6773cb33e7
1 changed files with 8 additions and 1 deletions
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9
drivers/soc/qcom/pmic_glink.c
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@ -39,6 +39,7 @@ struct pmic_glink {
struct mutex state_lock; struct mutex state_lock;
unsigned int client_state; unsigned int client_state;
unsigned int pdr_state; unsigned int pdr_state;
bool pdr_available;
/* serializing clients list updates */ /* serializing clients list updates */
spinlock_t client_lock; spinlock_t client_lock;
@ -246,9 +247,12 @@ static int pmic_glink_rpmsg_probe(struct rpmsg_device *rpdev)
return dev_err_probe(&rpdev->dev, -ENODEV, "no pmic_glink device to attach to\n"); return dev_err_probe(&rpdev->dev, -ENODEV, "no pmic_glink device to attach to\n");
dev_set_drvdata(&rpdev->dev, pg); dev_set_drvdata(&rpdev->dev, pg);
pg->pdr_available = rpdev->id.driver_data;
guard(mutex)(&pg->state_lock); guard(mutex)(&pg->state_lock);
pg->ept = rpdev->ept; pg->ept = rpdev->ept;
if (!pg->pdr_available)
pg->pdr_state = SERVREG_SERVICE_STATE_UP;
pmic_glink_state_notify_clients(pg); pmic_glink_state_notify_clients(pg);
return 0; return 0;
@ -265,11 +269,14 @@ static void pmic_glink_rpmsg_remove(struct rpmsg_device *rpdev)
guard(mutex)(&pg->state_lock); guard(mutex)(&pg->state_lock);
pg->ept = NULL; pg->ept = NULL;
if (!pg->pdr_available)
pg->pdr_state = SERVREG_SERVICE_STATE_DOWN;
pmic_glink_state_notify_clients(pg); pmic_glink_state_notify_clients(pg);
} }
static const struct rpmsg_device_id pmic_glink_rpmsg_id_match[] = { static const struct rpmsg_device_id pmic_glink_rpmsg_id_match[] = {
{ "PMIC_RTR_ADSP_APPS" }, {.name = "PMIC_RTR_ADSP_APPS", .driver_data = true },
{.name = "PMIC_RTR_SOCCP_APPS", .driver_data = false },
{} {}
}; };