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Brooklyn/Documentation/devicetree/bindings/clock/marvell,armada-3700-uart-clock.yaml
crowetic a94b3d14aa Brooklyn+ (PLUS) changes
Changes included (and more):

1. Dynamic RAM merge

2. Real-time page scan and allocation

3. Cache compression

4. Real-time IRQ checks

5. Dynamic I/O allocation for Java heap

6. Java page migration

7. Contiguous memory allocation

8. Idle pages tracking

9. Per CPU RAM usage tracking

10. ARM NEON scalar multiplication library

11. NEON/ARMv8 crypto extensions

12. NEON SHA, Blake, RIPEMD crypto extensions

13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
2022-05-12 10:47:00 -07:00

60 lines
1.6 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/marvell,armada-3700-uart-clock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Marvell Armada 3720 UART clocks
maintainers:
- Pali Rohár <pali@kernel.org>
properties:
compatible:
const: marvell,armada-3700-uart-clock
reg:
items:
- description: UART Clock Control Register
- description: UART 2 Baud Rate Divisor Register
clocks:
description: |
List of parent clocks suitable for UART from following set:
"TBG-A-P", "TBG-B-P", "TBG-A-S", "TBG-B-S", "xtal"
UART clock can use one from this set and when more are provided
then kernel would choose and configure the most suitable one.
It is suggest to specify at least one TBG clock to achieve
baudrates above 230400 and also to specify clock which bootloader
used for UART (most probably xtal) for smooth boot log on UART.
clock-names:
items:
- const: TBG-A-P
- const: TBG-B-P
- const: TBG-A-S
- const: TBG-B-S
- const: xtal
minItems: 1
'#clock-cells':
const: 1
required:
- compatible
- reg
- clocks
- clock-names
- '#clock-cells'
additionalProperties: false
examples:
- |
uartclk: clock-controller@12010 {
compatible = "marvell,armada-3700-uart-clock";
reg = <0x12010 0x4>, <0x12210 0x4>;
clocks = <&tbg 0>, <&tbg 1>, <&tbg 2>, <&tbg 3>, <&xtalclk>;
clock-names = "TBG-A-P", "TBG-B-P", "TBG-A-S", "TBG-B-S", "xtal";
#clock-cells = <1>;
};