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|
# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/bindings/clock/qcom,gcc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Global Clock & Reset Controller Binding
maintainers:
- Stephen Boyd <sboyd@kernel.org>
- Taniya Das <tdas@codeaurora.org>
description: |
Qualcomm global clock control module which supports the clocks, resets and
power domains.
properties:
compatible :
enum:
- qcom,gcc-apq8064
- qcom,gcc-apq8084
- qcom,gcc-ipq8064
- qcom,gcc-ipq4019
- qcom,gcc-ipq8074
- qcom,gcc-msm8660
- qcom,gcc-msm8916
- qcom,gcc-msm8960
- qcom,gcc-msm8974
- qcom,gcc-msm8974pro
- qcom,gcc-msm8974pro-ac
- qcom,gcc-msm8994
- qcom,gcc-msm8996
- qcom,gcc-msm8998
- qcom,gcc-mdm9615
- qcom,gcc-qcs404
- qcom,gcc-sc7180
- qcom,gcc-sdm630
- qcom,gcc-sdm660
- qcom,gcc-sdm845
- qcom,gcc-sm8150
clocks:
minItems: 1
maxItems: 3
items:
- description: Board XO source
- description: Board active XO source
- description: Sleep clock source
clock-names:
minItems: 1
maxItems: 3
items:
- const: bi_tcxo
- const: bi_tcxo_ao
- const: sleep_clk
'#clock-cells':
const: 1
'#reset-cells':
const: 1
'#power-domain-cells':
const: 1
reg:
maxItems: 1
nvmem-cells:
minItems: 1
maxItems: 2
description:
Qualcomm TSENS (thermal sensor device) on some devices can
be part of GCC and hence the TSENS properties can also be part
of the GCC/clock-controller node.
For more details on the TSENS properties please refer
Documentation/devicetree/bindings/thermal/qcom-tsens.txt
nvmem-cell-names:
minItems: 1
maxItems: 2
description:
Names for each nvmem-cells specified.
items:
- const: calib
- const: calib_backup
'thermal-sensor-cells':
const: 1
protected-clocks:
description:
Protected clock specifier list as per common clock binding
required:
- compatible
- reg
- '#clock-cells'
- '#reset-cells'
- '#power-domain-cells'
if:
properties:
compatible:
contains:
const: qcom,gcc-apq8064
then:
required:
- nvmem-cells
- nvmem-cell-names
- '#thermal-sensor-cells'
else:
if:
properties:
compatible:
contains:
enum:
- qcom,gcc-sm8150
- qcom,gcc-sc7180
then:
required:
- clocks
- clock-names
examples:
# Example for GCC for MSM8960:
- |
clock-controller@900000 {
compatible = "qcom,gcc-msm8960";
reg = <0x900000 0x4000>;
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
# Example of GCC with TSENS properties:
- |
clock-controller@900000 {
compatible = "qcom,gcc-apq8064";
reg = <0x00900000 0x4000>;
nvmem-cells = <&tsens_calib>, <&tsens_backup>;
nvmem-cell-names = "calib", "calib_backup";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
#thermal-sensor-cells = <1>;
};
# Example of GCC with protected-clocks properties:
- |
clock-controller@100000 {
compatible = "qcom,gcc-sdm845";
reg = <0x100000 0x1f0000>;
protected-clocks = <187>, <188>, <189>, <190>, <191>;
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
# Example of GCC with clock node properties for SM8150:
- |
clock-controller@100000 {
compatible = "qcom,gcc-sm8150";
reg = <0x00100000 0x1f0000>;
clocks = <&rpmhcc 0>, <&rpmhcc 1>, <&sleep_clk>;
clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
# Example of GCC with clock nodes properties for SC7180:
- |
clock-controller@100000 {
compatible = "qcom,gcc-sc7180";
reg = <0x100000 0x1f0000>;
clocks = <&rpmhcc 0>, <&rpmhcc 1>;
clock-names = "bi_tcxo", "bi_tcxo_ao";
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
};
...
|
