Document port queue scheduling settings. Add definitions for specific valid values. Signed-off-by: Robert Beckett <bob.beckett@xxxxxxxxxxxxx> --- .../devicetree/bindings/net/dsa/marvell.txt | 12 ++++++++++++ include/dt-bindings/net/dsa-mv88e6xxx.h | 17 +++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 include/dt-bindings/net/dsa-mv88e6xxx.h diff --git a/Documentation/devicetree/bindings/net/dsa/marvell.txt b/Documentation/devicetree/bindings/net/dsa/marvell.txt index e097c3c52eac..7de90929c3c9 100644 --- a/Documentation/devicetree/bindings/net/dsa/marvell.txt +++ b/Documentation/devicetree/bindings/net/dsa/marvell.txt @@ -50,6 +50,18 @@ Optional properties: Optional properties for ports: - defqpri=<n> : Enforced default queue priority for the given port. Valid range is 0..3 +- schedule=<n> : Set ports scheduling mode. Valid values are: + MV88E6XXX_PORT_SCHED_ROUND_ROBIN - All output queues + use a weighter round robin scheme. + MV88E6XXX_PORT_SCHED_STRICT_3 - Output queue 3 uses + a strict scheme, where any packets in queue 3 will be + egressed first, followed by weighted round robin for + the other ports. + MV88E6XXX_PORT_SCHED_STRICT_3_2 - Output queue's 2 + and 3 use strict, other use weighted round robin. + MV88E6XXX_PORT_SCHED_STRICT_ALL - All queues use + strict priority, where queues drain in descending + queue number order. Example: diff --git a/include/dt-bindings/net/dsa-mv88e6xxx.h b/include/dt-bindings/net/dsa-mv88e6xxx.h new file mode 100644 index 000000000000..3f62003841ce --- /dev/null +++ b/include/dt-bindings/net/dsa-mv88e6xxx.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Device Tree constants for Marvell 88E6xxx Switch Port Registers + * + * Copyright (c) 2019, Collabora Ltd. + * Copyright (c) 2019, General Electric Company + */ + +#ifndef _DT_BINDINGS_MV88E6XXX_H +#define _DT_BINDINGS_MV88E6XXX_H + +#define MV88E6XXX_PORT_SCHED_ROUND_ROBIN 0 +#define MV88E6XXX_PORT_SCHED_STRICT_3 1 +#define MV88E6XXX_PORT_SCHED_STRICT_3_2 2 +#define MV88E6XXX_PORT_SCHED_STRICT_ALL 3 + +#endif /* _DT_BINDINGS_MV88E6XXX_H */ -- 2.18.0
