On Wed, Jan 13, 2021 at 09:48:18AM +0530, Anshuman Khandual wrote: > From: Suzuki K Poulose <suzuki.poulose@xxxxxxx> > > Document the device tree bindings for Trace Buffer Extension (TRBE). > > Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx> > Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > Cc: Rob Herring <robh@xxxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx> > Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> > --- > Documentation/devicetree/bindings/arm/trbe.yaml | 46 +++++++++++++++++++++++++ > 1 file changed, 46 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/trbe.yaml > > diff --git a/Documentation/devicetree/bindings/arm/trbe.yaml b/Documentation/devicetree/bindings/arm/trbe.yaml > new file mode 100644 > index 0000000..2258595 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/trbe.yaml > @@ -0,0 +1,46 @@ > +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause > +# Copyright 2021, Arm Ltd > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/arm/trbe.yaml#"; > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > + > +title: ARM Trace Buffer Extensions > + > +maintainers: > + - Anshuman Khandual <anshuman.khandual@xxxxxxx> > + > +description: | > + Description of TRBE hw Huh? > + > +properties: > + $nodename: > + pattern: "trbe" const: trbe > + compatible: > + items: > + - const: arm,trace-buffer-extension Any versioning to this? Or is that discoverable? > + > + interrupts: > + description: | > + Exactly 1 PPI must be listed. For heterogeneous systems where > + TRBE is only supported on a subset of the CPUs, please consult > + the arm,gic-v3 binding for details on describing a PPI partition. > + maxItems: 1 > + > +required: > + - compatible > + - interrupts > + > +additionalProperties: false > + > + Extra blank line. > +examples: > + > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + trbe { > + compatible = "arm,trace-buffer-extension"; > + interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>; > + }; > +... > -- > 2.7.4 >
