linux-kernel - [PATCH net-next 0/2] dpll: Add support for phase adjustment granularity

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Message-ID: <20251024144927.587097-1-ivecera@redhat.com>
Date: Fri, 24 Oct 2025 16:49:25 +0200
From: Ivan Vecera <ivecera@...hat.com>
To: netdev@...r.kernel.org
Cc: Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
	Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Jonathan Corbet <corbet@....net>,
	"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>,
	Donald Hunter <donald.hunter@...il.com>,
	Prathosh Satish <Prathosh.Satish@...rochip.com>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next 0/2] dpll: Add support for phase adjustment granularity

Phase-adjust values are currently limited only by a min-max range. Some
hardware requires, for certain pin types, that values be multiples of
a specific granularity, as in the zl3073x driver.

Patch 1: Adds 'phase-adjust-gran' pin attribute and an appropriate
         handling
Patch 2: Adds a support for this attribute into zl3073x driver

Ivan Vecera (2):
  dpll: add phase-adjust-gran pin attribute
  dpll: zl3073x: Specify phase adjustment granularity for pins

 Documentation/driver-api/dpll.rst     | 36 +++++++++--------
 Documentation/netlink/specs/dpll.yaml |  7 ++++
 drivers/dpll/dpll_netlink.c           | 12 +++++-
 drivers/dpll/zl3073x/dpll.c           | 58 +++++++--------------------
 drivers/dpll/zl3073x/prop.c           | 11 +++++
 include/linux/dpll.h                  |  1 +
 include/uapi/linux/dpll.h             |  1 +
 7 files changed, 65 insertions(+), 61 deletions(-)

-- 
2.51.0