From b0989c0eb7aa8e428afe3b13f136e2461742e7b1 Mon Sep 17 00:00:00 2001 From: Rohit Agarwal Date: Wed, 13 Sep 2023 19:40:55 +0530 Subject: [PATCH] dt-bindings: interconnect: Add compatibles for SDX75 Add dt-bindings compatibles and interconnect IDs for Qualcomm SDX75 platform. Change-Id: I77372b70e4379593499f9d24e4a580edd3c8c051 Signed-off-by: Rohit Agarwal Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/1694614256-24109-2-git-send-email-quic_rohiagar@quicinc.com Signed-off-by: Georgi Djakov Git-Commit: 956329ec7c5eba430211b48cca1b0372b4a4d702 Git-Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Signed-off-by: Khaja Hussain Shaik Khaji --- bindings/interconnect/qcom,sdx75-rpmh.yaml | 92 ++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 bindings/interconnect/qcom,sdx75-rpmh.yaml diff --git a/bindings/interconnect/qcom,sdx75-rpmh.yaml b/bindings/interconnect/qcom,sdx75-rpmh.yaml new file mode 100644 index 00000000..71cf7e25 --- /dev/null +++ b/bindings/interconnect/qcom,sdx75-rpmh.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,sdx75-rpmh.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMh Network-On-Chip Interconnect on SDX75 + +maintainers: + - Rohit Agarwal + +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: + compatible: + enum: + - qcom,sdx75-clk-virt + - qcom,sdx75-dc-noc + - qcom,sdx75-gem-noc + - qcom,sdx75-mc-virt + - qcom,sdx75-pcie-anoc + - qcom,sdx75-system-noc + + '#interconnect-cells': true + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + +allOf: + - $ref: qcom,rpmh-common.yaml# + - if: + properties: + compatible: + contains: + enum: + - qcom,sdx75-clk-virt + - qcom,sdx75-mc-virt + then: + properties: + reg: false + else: + required: + - reg + + - if: + properties: + compatible: + contains: + enum: + - qcom,sdx75-clk-virt + then: + properties: + clocks: + items: + - description: RPMH CC QPIC Clock + required: + - clocks + else: + properties: + clocks: false + +unevaluatedProperties: false + +examples: + - | + #include + + clk_virt: interconnect-0 { + compatible = "qcom,sdx75-clk-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + clocks = <&rpmhcc RPMH_QPIC_CLK>; + }; + + system_noc: interconnect@1640000 { + compatible = "qcom,sdx75-system-noc"; + reg = <0x1640000 0x4b400>; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + };