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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/milbeaut-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Milbeaut SoCs Clock Controller Binding
maintainers:
- Taichi Sugaya <sugaya.taichi@socionext.com>
description: |
Milbeaut SoCs Clock controller is an integrated clock controller, which
generates and supplies to all modules.
This binding uses common clock bindings
[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
properties:
compatible:
oneOf:
- items:
- enum:
- socionext,milbeaut-m10v-ccu
clocks:
maxItems: 1
description: external clock
'#clock-cells':
const: 1
required:
- compatible
- reg
- clocks
- '#clock-cells'
additionalProperties: false
examples:
# Clock controller node:
- |
m10v-clk-ctrl@1d021000 {
compatible = "socionext,milbeaut-m10v-clk-ccu";
reg = <0x1d021000 0x4000>;
#clock-cells = <1>;
clocks = <&clki40mhz>;
};
# Required an external clock for Clock controller node:
- |
clocks {
clki40mhz: clki40mhz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <40000000>;
};
/* other clocks */
};
# The clock consumer shall specify the desired clock-output of the clock
# controller as below by specifying output-id in its "clk" phandle cell.
# 2: uart
# 4: 32-bit timer
# 7: UHS-I/II
- |
serial@1e700010 {
compatible = "socionext,milbeaut-usio-uart";
reg = <0x1e700010 0x10>;
interrupts = <0 141 0x4>, <0 149 0x4>;
interrupt-names = "rx", "tx";
clocks = <&clk 2>;
};
...
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