mirror_ubuntu-kernels/Documentation/devicetree/bindings/interconnect/qcom,sm6115.yaml

153 lines
3.3 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interconnect/qcom,sm6115.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm SM6115 Network-On-Chip interconnect
maintainers:
- Konrad Dybcio <konradybcio@kernel.org>
description:
The Qualcomm SM6115 interconnect providers support adjusting the
bandwidth requirements between the various NoC fabrics.
properties:
compatible:
enum:
- qcom,sm6115-bimc
- qcom,sm6115-cnoc
- qcom,sm6115-snoc
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 4
clock-names:
minItems: 1
maxItems: 4
# Child node's properties
patternProperties:
'^interconnect-[a-z0-9]+$':
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,sm6115-clk-virt
- qcom,sm6115-mmrt-virt
- qcom,sm6115-mmnrt-virt
required:
- compatible
unevaluatedProperties: false
required:
- compatible
- reg
allOf:
- $ref: qcom,rpm-common.yaml#
- if:
properties:
compatible:
const: qcom,sm6115-cnoc
then:
properties:
clocks:
items:
- description: USB-NoC AXI clock
clock-names:
items:
- const: usb_axi
- if:
properties:
compatible:
const: qcom,sm6115-snoc
then:
properties:
clocks:
items:
- description: CPU-NoC AXI clock.
- description: UFS-NoC AXI clock.
- description: USB-NoC AXI clock.
- description: IPA clock.
clock-names:
items:
- const: cpu_axi
- const: ufs_axi
- const: usb_axi
- const: ipa
- if:
properties:
compatible:
enum:
- qcom,sm6115-bimc
- qcom,sm6115-clk-virt
- qcom,sm6115-mmrt-virt
- qcom,sm6115-mmnrt-virt
then:
properties:
clocks: false
clock-names: false
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-sm6115.h>
#include <dt-bindings/clock/qcom,rpmcc.h>
snoc: interconnect@1880000 {
compatible = "qcom,sm6115-snoc";
reg = <0x01880000 0x60200>;
clocks = <&gcc GCC_SYS_NOC_CPUSS_AHB_CLK>,
<&gcc GCC_SYS_NOC_UFS_PHY_AXI_CLK>,
<&gcc GCC_SYS_NOC_USB3_PRIM_AXI_CLK>,
<&rpmcc RPM_SMD_IPA_CLK>;
clock-names = "cpu_axi",
"ufs_axi",
"usb_axi",
"ipa";
#interconnect-cells = <1>;
qup_virt: interconnect-clk {
compatible = "qcom,sm6115-clk-virt";
#interconnect-cells = <1>;
};
mmnrt_virt: interconnect-mmnrt {
compatible = "qcom,sm6115-mmnrt-virt";
#interconnect-cells = <1>;
};
mmrt_virt: interconnect-mmrt {
compatible = "qcom,sm6115-mmrt-virt";
#interconnect-cells = <1>;
};
};
cnoc: interconnect@1900000 {
compatible = "qcom,sm6115-cnoc";
reg = <0x01900000 0x8200>;
#interconnect-cells = <1>;
};