Staging
v0.8.1
v0.8.1
https://github.com/torvalds/linux
Tip revision: 1048ba83fb1c00cd24172e23e8263972f6b5d9ac authored by Linus Torvalds on 31 January 2021, 21:50:09 UTC
Linux 5.11-rc6
Linux 5.11-rc6
Tip revision: 1048ba8
qcom,rpmh.yaml
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interconnect/qcom,rpmh.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm RPMh Network-On-Chip Interconnect
maintainers:
- Georgi Djakov <georgi.djakov@linaro.org>
- Odelu Kukatla <okukatla@codeaurora.org>
description: |
RPMh interconnect providers support system bandwidth requirements through
RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
able to communicate with the BCM through the Resource State Coordinator (RSC)
associated with each execution environment. Provider nodes must point to at
least one RPMh device child node pertaining to their RSC and each provider
can map to multiple RPMh resources.
properties:
reg:
maxItems: 1
compatible:
enum:
- qcom,sc7180-aggre1-noc
- qcom,sc7180-aggre2-noc
- qcom,sc7180-camnoc-virt
- qcom,sc7180-compute-noc
- qcom,sc7180-config-noc
- qcom,sc7180-dc-noc
- qcom,sc7180-gem-noc
- qcom,sc7180-ipa-virt
- qcom,sc7180-mc-virt
- qcom,sc7180-mmss-noc
- qcom,sc7180-npu-noc
- qcom,sc7180-qup-virt
- qcom,sc7180-system-noc
- qcom,sdm845-aggre1-noc
- qcom,sdm845-aggre2-noc
- qcom,sdm845-config-noc
- qcom,sdm845-dc-noc
- qcom,sdm845-gladiator-noc
- qcom,sdm845-mem-noc
- qcom,sdm845-mmss-noc
- qcom,sdm845-system-noc
- qcom,sm8150-aggre1-noc
- qcom,sm8150-aggre2-noc
- qcom,sm8150-camnoc-noc
- qcom,sm8150-compute-noc
- qcom,sm8150-config-noc
- qcom,sm8150-dc-noc
- qcom,sm8150-gem-noc
- qcom,sm8150-ipa-virt
- qcom,sm8150-mc-virt
- qcom,sm8150-mmss-noc
- qcom,sm8150-system-noc
- qcom,sm8250-aggre1-noc
- qcom,sm8250-aggre2-noc
- qcom,sm8250-compute-noc
- qcom,sm8250-config-noc
- qcom,sm8250-dc-noc
- qcom,sm8250-gem-noc
- qcom,sm8250-ipa-virt
- qcom,sm8250-mc-virt
- qcom,sm8250-mmss-noc
- qcom,sm8250-npu-noc
- qcom,sm8250-system-noc
'#interconnect-cells':
const: 1
qcom,bcm-voters:
$ref: /schemas/types.yaml#/definitions/phandle-array
description: |
List of phandles to qcom,bcm-voter nodes that are required by
this interconnect to send RPMh commands.
qcom,bcm-voter-names:
$ref: /schemas/types.yaml#/definitions/string-array
description: |
Names for each of the qcom,bcm-voters specified.
required:
- compatible
- reg
- '#interconnect-cells'
- qcom,bcm-voters
additionalProperties: false
examples:
- |
#include <dt-bindings/interconnect/qcom,sdm845.h>
mem_noc: interconnect@1380000 {
compatible = "qcom,sdm845-mem-noc";
reg = <0x01380000 0x27200>;
#interconnect-cells = <1>;
qcom,bcm-voters = <&apps_bcm_voter>;
};
mmss_noc: interconnect@1740000 {
compatible = "qcom,sdm845-mmss-noc";
reg = <0x01740000 0x1c1000>;
#interconnect-cells = <1>;
qcom,bcm-voter-names = "apps", "disp";
qcom,bcm-voters = <&apps_bcm_voter>, <&disp_bcm_voter>;
};