From 3b5ded26ddcf3846c0f865ddc13dd953eb012cd5 Mon Sep 17 00:00:00 2001 From: Veera Vegivada Date: Thu, 17 Sep 2020 10:43:57 +0530 Subject: [PATCH] dt-bindings: interconnect: add interconnect bindings for direwolf Add interconnect device bindings. These devices can be used to describe any RPMH and NoC based interconnect devices for direwolf. Change-Id: I33cb88c0a34f51277ddb9eec5ff26da4a487b516 --- bindings/interconnect/qcom,direwolf.txt | 31 +++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 bindings/interconnect/qcom,direwolf.txt diff --git a/bindings/interconnect/qcom,direwolf.txt b/bindings/interconnect/qcom,direwolf.txt new file mode 100644 index 000000000000..d74d3f7ff285 --- /dev/null +++ b/bindings/interconnect/qcom,direwolf.txt @@ -0,0 +1,31 @@ +Qualcomm Technologies, Inc. Direwolf Network-On-Chip interconnect driver binding +------------------------------------------------------------------------------ +Direwolf 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. + +Required properties : +- compatible : shall contain only one of the following: + "qcom,direwolf-aggre1_noc"; + "qcom,direwolf-aggre2_noc"; + "qcom,direwolf-clk_virt"; + "qcom,direwolf-config_noc"; + "qcom,direwolf-dc_noc"; + "qcom,direwolf-gem_noc"; + "qcom,direwolf-lpass_ag_noc"; + "qcom,direwolf-mc_virt"; + "qcom,direwolf-mmss_noc"; + "qcom,direwolf-nspa_noc"; + "qcom,direwolf-nspb_noc"; + "qcom,direwolf-system_noc_main"; +- #interconnect-cells : should contain 1 + +Examples: + +aggre1_noc: interconnect@16c0000 { + "qcom,direwolf-aggre1_noc"; + interconnect-cells = <1>; +};