Hi Sibi, On 8/21/19 02:11, Sibi Sankar wrote: > Add bindings for Operating State Manager (OSM) L3 interconnect provider > on SDM845 SoCs. > > Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx> > --- > .../bindings/interconnect/qcom,osm-l3.yaml | 56 +++++++++++++++++++ > .../dt-bindings/interconnect/qcom,osm-l3.h | 12 ++++ > 2 files changed, 68 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml > create mode 100644 include/dt-bindings/interconnect/qcom,osm-l3.h > > diff --git a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml > new file mode 100644 > index 0000000000000..dab2b6875ab27 > --- /dev/null > +++ b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml > @@ -0,0 +1,56 @@ > +# SPDX-License-Identifier: BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/interconnect/qcom,osm-l3.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Operating State Manager (OSM) L3 Interconnect Provider > + > +maintainers: > + - Sibi Sankar <sibis@xxxxxxxxxxxxxx> > + > +description: > + L3 cache bandwidth requirements on Qualcomm SoCs is serviced by the OSM. > + The OSM L3 interconnect provider aggregates the L3 bandwidth requests > + from CPU/GPU and relays it to the OSM. > + > +properties: > + compatible: > + const: "qcom,sdm845-osm-l3" > + > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: xo clock > + - description: alternate clock > + > + clock-names: > + items: > + - const: xo > + - const: alternate > + > + '#interconnect-cells': > + const: 1 > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - '#interconnect-cells' > + > +additionalProperties: false > + > +examples: > + - | > + osm_l3: interconnect@17d41000 { > + compatible = "qcom,sdm845-osm-l3"; > + reg = <0x17d41000 0x1400>; > + > + clocks = <&rpmhcc 0>, <&gcc 165>; > + clock-names = "xo", "alternate"; > + > + #interconnect-cells = <1>; > + }; Are we going to do the bandwidth scaling from some cpufreq driver? Under which DT node will we put the "interconnects" property? Thanks, Georgi > diff --git a/include/dt-bindings/interconnect/qcom,osm-l3.h b/include/dt-bindings/interconnect/qcom,osm-l3.h > new file mode 100644 > index 0000000000000..54858ff7674d7 > --- /dev/null > +++ b/include/dt-bindings/interconnect/qcom,osm-l3.h > @@ -0,0 +1,12 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (C) 2019 The Linux Foundation. All rights reserved. > + */ > + > +#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_OSM_L3_H > +#define __DT_BINDINGS_INTERCONNECT_QCOM_OSM_L3_H > + > +#define MASTER_OSM_L3_APPS 0 > +#define SLAVE_OSM_L3 1 > + > +#endif >
