mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/
synced 2026-04-18 06:33:43 -04:00
ee047e1d85
Lists should have fixed constraints, because binding must be specific in
respect to hardware, thus add missing constraints to number of clocks.
Cc: stable <stable@kernel.org>
Fixes: 88a499cd70 ("dt-bindings: Add support for the Broadcom UART driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250812121630.67072-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
96 lines
2.0 KiB
YAML
96 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/serial/brcm,bcm7271-uart.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Broadcom 8250 based serial port
|
|
|
|
maintainers:
|
|
- Al Cooper <alcooperx@gmail.com>
|
|
|
|
allOf:
|
|
- $ref: serial.yaml#
|
|
|
|
description: |+
|
|
The Broadcom UART is based on the basic 8250 UART but with
|
|
enhancements for more accurate high speed baud rates and support
|
|
for DMA.
|
|
|
|
properties:
|
|
compatible:
|
|
items:
|
|
- enum:
|
|
- brcm,bcm7271-uart
|
|
- brcm,bcm7278-uart
|
|
|
|
reg:
|
|
minItems: 1
|
|
maxItems: 5
|
|
|
|
reg-names:
|
|
description: The UART register block and optionally the DMA register blocks.
|
|
oneOf:
|
|
- items:
|
|
- const: uart
|
|
- items:
|
|
- const: uart
|
|
- const: dma_arb
|
|
- const: dma_rx
|
|
- const: dma_tx
|
|
- const: dma_intr2
|
|
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
clock-names:
|
|
const: sw_baud
|
|
|
|
interrupts:
|
|
minItems: 1
|
|
maxItems: 2
|
|
|
|
interrupt-names:
|
|
description: The UART interrupt and optionally the DMA interrupt.
|
|
minItems: 1
|
|
items:
|
|
- const: uart
|
|
- const: dma
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- reg-names
|
|
- clocks
|
|
- clock-names
|
|
- interrupts
|
|
- interrupt-names
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
serial@840d000 {
|
|
compatible = "brcm,bcm7271-uart";
|
|
reg = <0x840d000 0x20>;
|
|
reg-names = "uart";
|
|
interrupts = <0x0 0x62 0x4>;
|
|
interrupt-names = "uart";
|
|
clocks = <&scmi_clk 190>;
|
|
clock-names = "sw_baud";
|
|
};
|
|
|
|
serial@840e000 {
|
|
compatible = "brcm,bcm7271-uart";
|
|
reg = <0x840e000 0x20>,
|
|
<0x840e080 0x8>,
|
|
<0x840e100 0xa8>,
|
|
<0x840e200 0x4c>,
|
|
<0x840e300 0x30>;
|
|
reg-names = "uart", "dma_arb", "dma_rx", "dma_tx", "dma_intr2";
|
|
interrupts = <0x0 0x62 0x4>, <0x0 0x75 0x4>;
|
|
interrupt-names = "uart", "dma";
|
|
clocks = <&scmi_clk 190>;
|
|
clock-names = "sw_baud";
|
|
};
|