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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/imx8mn-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP i.MX8M Nano Clock Control Module Binding
maintainers:
- Anson Huang <Anson.Huang@nxp.com>
description: |
NXP i.MX8M Nano clock control module is an integrated clock controller, which
generates and supplies to all modules.
properties:
compatible:
const: fsl,imx8mn-ccm
reg:
maxItems: 1
clocks:
items:
- description: 32k osc
- description: 24m osc
- description: ext1 clock input
- description: ext2 clock input
- description: ext3 clock input
- description: ext4 clock input
clock-names:
items:
- const: osc_32k
- const: osc_24m
- const: clk_ext1
- const: clk_ext2
- const: clk_ext3
- const: clk_ext4
'#clock-cells':
const: 1
description: |
The clock consumer should specify the desired clock by having the clock
ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mn-clock.h
for the full list of i.MX8M Nano clock IDs.
required:
- compatible
- reg
- clocks
- clock-names
- '#clock-cells'
examples:
# Clock Control Module node:
- |
clk: clock-controller@30380000 {
compatible = "fsl,imx8mn-ccm";
reg = <0x0 0x30380000 0x0 0x10000>;
#clock-cells = <1>;
clocks = <&osc_32k>, <&osc_24m>, <&clk_ext1>,
<&clk_ext2>, <&clk_ext3>, <&clk_ext4>;
clock-names = "osc_32k", "osc_24m", "clk_ext1",
"clk_ext2", "clk_ext3", "clk_ext4";
};
# Required external clocks for Clock Control Module node:
- |
osc_32k: clock-osc-32k {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
clock-output-names = "osc_32k";
};
osc_24m: clock-osc-24m {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24000000>;
clock-output-names = "osc_24m";
};
clk_ext1: clock-ext1 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <133000000>;
clock-output-names = "clk_ext1";
};
clk_ext2: clock-ext2 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <133000000>;
clock-output-names = "clk_ext2";
};
clk_ext3: clock-ext3 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <133000000>;
clock-output-names = "clk_ext3";
};
clk_ext4: clock-ext4 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency= <133000000>;
clock-output-names = "clk_ext4";
};
...
|
