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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interconnect/qcom,shikra.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Shikra Network-On-Chip interconnect
maintainers:
- Raviteja Laggyshetty <raviteja.laggyshetty@oss.qualcomm.com>
description:
The Qualcomm Shikra interconnect providers support adjusting the
bandwidth requirements between the various NoC fabrics.
properties:
compatible:
enum:
- qcom,shikra-config-noc
- qcom,shikra-mem-noc-core
- qcom,shikra-sys-noc
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 4
clock-names:
minItems: 1
maxItems: 4
# Child node's properties
patternProperties:
'^interconnect-[a-z0-9]+$':
type: object
description:
The interconnect providers do not have a separate QoS register space,
but share parent's space.
$ref: qcom,rpm-common.yaml#
properties:
compatible:
enum:
- qcom,shikra-clk-virt
- qcom,shikra-mc-virt
- qcom,shikra-mmrt-virt
- qcom,shikra-mmnrt-virt
required:
- compatible
unevaluatedProperties: false
required:
- compatible
- reg
allOf:
- $ref: qcom,rpm-common.yaml#
- if:
properties:
compatible:
const: qcom,shikra-mem-noc-core
then:
properties:
clocks:
items:
- description: GPU-NoC AXI clock
clock-names:
items:
- const: gpu_axi
patternProperties:
'^interconnect-[a-z0-9]+$': false
- if:
properties:
compatible:
const: qcom,shikra-sys-noc
then:
properties:
clocks:
items:
- description: EMAC0-NoC AXI clock.
- description: EMAC1-NoC AXI clock.
- description: USB2-NoC AXI clock.
- description: USB3-NoC AXI clock.
clock-names:
items:
- const: emac0_axi
- const: emac1_axi
- const: usb2_axi
- const: usb3_axi
- if:
properties:
compatible:
const: qcom,shikra-config-noc
then:
properties:
clocks: false
clock-names: false
patternProperties:
'^interconnect-[a-z0-9]+$': false
unevaluatedProperties: false
examples:
- |
interconnect@1880000 {
compatible = "qcom,shikra-sys-noc";
reg = <0x01880000 0x6a080>;
#interconnect-cells = <2>;
clocks = <&gcc_emac0_axi_sys_noc_clk>,
<&gcc_emac1_axi_sys_noc_clk>,
<&gcc_sys_noc_usb2_prim_axi_clk>,
<&gcc_sys_noc_usb3_prim_axi_clk>;
clock-names = "emac0_axi",
"emac1_axi",
"usb2_axi",
"usb3_axi";
interconnect-clk {
compatible = "qcom,shikra-clk-virt";
#interconnect-cells = <2>;
};
};
|
