linux-kernel - [PATCH net-next v13 04/12] devlink: Add new "clock

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Message-ID: <20250704182202.1641943-5-ivecera@redhat.com>
Date: Fri,  4 Jul 2025 20:21:54 +0200
From: Ivan Vecera <ivecera@...hat.com>
To: Jiri Pirko <jiri@...nulli.us>,
	netdev@...r.kernel.org
Cc: Jiri Pirko <jiri@...dia.com>,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
	Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Prathosh Satish <Prathosh.Satish@...rochip.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Shannon Nelson <shannon.nelson@....com>,
	Dave Jiang <dave.jiang@...el.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Michal Schmidt <mschmidt@...hat.com>,
	Petr Oros <poros@...hat.com>
Subject: [PATCH net-next v13 04/12] devlink: Add new "clock_id" generic device param

Add a new device generic parameter to specify clock ID that should
be used by the device for registering DPLL devices and pins.

Reviewed-by: Jiri Pirko <jiri@...dia.com>
Signed-off-by: Ivan Vecera <ivecera@...hat.com>
---
 Documentation/networking/devlink/devlink-params.rst | 3 +++
 include/net/devlink.h                               | 4 ++++
 net/devlink/param.c                                 | 5 +++++
 3 files changed, 12 insertions(+)

diff --git a/Documentation/networking/devlink/devlink-params.rst b/Documentation/networking/devlink/devlink-params.rst
index 3da8f4ef24178..211b58177e121 100644
--- a/Documentation/networking/devlink/devlink-params.rst
+++ b/Documentation/networking/devlink/devlink-params.rst
@@ -140,3 +140,6 @@ own name.
    * - ``enable_phc``
      - Boolean
      - Enable PHC (PTP Hardware Clock) functionality in the device.
+   * - ``clock_id``
+     - u64
+     - Clock ID used by the device for registering DPLL devices and pins.
diff --git a/include/net/devlink.h b/include/net/devlink.h
index a1fa88670754a..c8ec40780fffe 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -523,6 +523,7 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
 	DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
 	DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
+	DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -584,6 +585,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
 
+#define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
+#define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
diff --git a/net/devlink/param.c b/net/devlink/param.c
index 9709b41664aae..41dcc86cfd944 100644
--- a/net/devlink/param.c
+++ b/net/devlink/param.c
@@ -97,6 +97,11 @@ static const struct devlink_param devlink_param_generic[] = {
 		.name = DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME,
 		.type = DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
+		.name = DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME,
+		.type = DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)
-- 
2.49.0