From: Alice Guo <alice....@nxp.com>
This patch adds SCMI pin control protocol support so that the pin
controller driver based on SCMI, such as
drivers/pinctrl/nxp/pinctrl-scmi.c, can be bound to the SCMI agent
device whose protocol id is 0x19.
Signed-off-by: Alice Guo <alice....@nxp.com>
---
drivers/firmware/scmi/scmi_agent-uclass.c | 11 +++++++++++
include/scmi_agent-uclass.h | 2 ++
2 files changed, 13 insertions(+)
diff --git a/drivers/firmware/scmi/scmi_agent-uclass.c
b/drivers/firmware/scmi/scmi_agent-uclass.c
index 8c907c3b03..5f101f4ede 100644
--- a/drivers/firmware/scmi/scmi_agent-uclass.c
+++ b/drivers/firmware/scmi/scmi_agent-uclass.c
@@ -97,6 +97,9 @@ struct udevice *scmi_get_protocol(struct udevice *dev,
case SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN:
proto = priv->voltagedom_dev;
break;
+ case SCMI_PROTOCOL_ID_PINCTRL:
+ proto = priv->pinctrl_dev;
+ break;
default:
dev_err(dev, "Protocol not supported\n");
proto = NULL;
@@ -147,6 +150,9 @@ static int scmi_add_protocol(struct udevice *dev,
case SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN:
priv->voltagedom_dev = proto;
break;
+ case SCMI_PROTOCOL_ID_PINCTRL:
+ priv->pinctrl_dev = proto;
+ break;
default:
dev_err(dev, "Protocol not supported\n");
return -EPROTO;
@@ -436,6 +442,11 @@ static int scmi_bind_protocols(struct udevice *dev)
drv = DM_DRIVER_GET(scmi_voltage_domain);
}
break;
+ case SCMI_PROTOCOL_ID_PINCTRL:
+ if (IS_ENABLED(CONFIG_PINCTRL_IMX_SCMI) &&
+ scmi_protocol_is_supported(dev, protocol_id))
+ drv = DM_DRIVER_GET(scmi_pinctrl_imx);
+ break;
default:
break;
}
diff --git a/include/scmi_agent-uclass.h b/include/scmi_agent-uclass.h
index 33e0e18c30..4beec43cb0 100644
--- a/include/scmi_agent-uclass.h
+++ b/include/scmi_agent-uclass.h
@@ -27,6 +27,7 @@ struct scmi_channel;
* @clock_dev: SCMI clock protocol device
* @resetdom_dev: SCMI reset domain protocol device
* @voltagedom_dev: SCMI voltage domain protocol device
+ * @pinctrl_dev: SCMI pin control protocol device
*/
struct scmi_agent_priv {
u32 version;
@@ -43,6 +44,7 @@ struct scmi_agent_priv {
struct udevice *clock_dev;
struct udevice *resetdom_dev;
struct udevice *voltagedom_dev;
+ struct udevice *pinctrl_dev;
};
static inline u32 scmi_version(struct udevice *dev)
--
2.43.0
