162 lines
3.9 KiB
YAML
162 lines
3.9 KiB
YAML
|
# SPDX-License-Identifier: GPL-2.0
|
||
|
|
%YAML 1.2
|
||
|
|
---
|
||
|
|
$id: http://devicetree.org/schemas/serial/snps-dw-apb-uart.yaml#
|
||
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
||
|
|
|
||
|
|
title: Synopsys DesignWare ABP UART
|
||
|
|
|
||
|
|
maintainers:
|
||
|
|
- Rob Herring <robh@kernel.org>
|
||
|
|
|
||
|
|
allOf:
|
||
|
|
- $ref: serial.yaml#
|
||
|
|
|
||
|
|
properties:
|
||
|
|
compatible:
|
||
|
|
oneOf:
|
||
|
|
- items:
|
||
|
|
- enum:
|
||
|
|
- renesas,r9a06g032-uart
|
||
|
|
- renesas,r9a06g033-uart
|
||
|
|
- const: renesas,rzn1-uart
|
||
|
|
- items:
|
||
|
|
- enum:
|
||
|
|
- rockchip,px30-uart
|
||
|
|
- rockchip,rk1808-uart
|
||
|
|
- rockchip,rk3036-uart
|
||
|
|
- rockchip,rk3066-uart
|
||
|
|
- rockchip,rk3128-uart
|
||
|
|
- rockchip,rk3188-uart
|
||
|
|
- rockchip,rk3288-uart
|
||
|
|
- rockchip,rk3308-uart
|
||
|
|
- rockchip,rk3328-uart
|
||
|
|
- rockchip,rk3368-uart
|
||
|
|
- rockchip,rk3399-uart
|
||
|
|
- rockchip,rk3568-uart
|
||
|
|
- rockchip,rk3588-uart
|
||
|
|
- rockchip,rv1108-uart
|
||
|
|
- rockchip,rv1126-uart
|
||
|
|
- const: snps,dw-apb-uart
|
||
|
|
- items:
|
||
|
|
- enum:
|
||
|
|
- brcm,bcm11351-dw-apb-uart
|
||
|
|
- brcm,bcm21664-dw-apb-uart
|
||
|
|
- const: snps,dw-apb-uart
|
||
|
|
- items:
|
||
|
|
- enum:
|
||
|
|
- starfive,jh7100-hsuart
|
||
|
|
- starfive,jh7100-uart
|
||
|
|
- const: snps,dw-apb-uart
|
||
|
|
- const: snps,dw-apb-uart
|
||
|
|
|
||
|
|
reg:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
interrupts:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
clock-frequency: true
|
||
|
|
|
||
|
|
clocks:
|
||
|
|
minItems: 1
|
||
|
|
maxItems: 2
|
||
|
|
|
||
|
|
clock-names:
|
||
|
|
items:
|
||
|
|
- const: baudclk
|
||
|
|
- const: apb_pclk
|
||
|
|
|
||
|
|
dmas:
|
||
|
|
maxItems: 2
|
||
|
|
|
||
|
|
dma-names:
|
||
|
|
items:
|
||
|
|
- const: rx
|
||
|
|
- const: tx
|
||
|
|
|
||
|
|
snps,uart-16550-compatible:
|
||
|
|
description: reflects the value of UART_16550_COMPATIBLE configuration
|
||
|
|
parameter. Define this if your UART does not implement the busy functionality.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
resets:
|
||
|
|
maxItems: 1
|
||
|
|
|
||
|
|
reg-shift: true
|
||
|
|
|
||
|
|
reg-io-width: true
|
||
|
|
|
||
|
|
dcd-override:
|
||
|
|
description: Override the DCD modem status signal. This signal will
|
||
|
|
always be reported as active instead of being obtained from the modem
|
||
|
|
status register. Define this if your serial port does not use this
|
||
|
|
pin.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
dsr-override:
|
||
|
|
description: Override the DTS modem status signal. This signal will
|
||
|
|
always be reported as active instead of being obtained from the modem
|
||
|
|
status register. Define this if your serial port does not use this
|
||
|
|
pin.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
cts-override:
|
||
|
|
description: Override the CTS modem status signal. This signal will
|
||
|
|
always be reported as active instead of being obtained from the modem
|
||
|
|
status register. Define this if your serial port does not use this
|
||
|
|
pin.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
ri-override:
|
||
|
|
description: Override the RI modem status signal. This signal will always
|
||
|
|
be reported as inactive instead of being obtained from the modem status
|
||
|
|
register. Define this if your serial port does not use this pin.
|
||
|
|
type: boolean
|
||
|
|
|
||
|
|
required:
|
||
|
|
- compatible
|
||
|
|
- reg
|
||
|
|
- interrupts
|
||
|
|
|
||
|
|
unevaluatedProperties: false
|
||
|
|
|
||
|
|
examples:
|
||
|
|
- |
|
||
|
|
serial@80230000 {
|
||
|
|
compatible = "snps,dw-apb-uart";
|
||
|
|
reg = <0x80230000 0x100>;
|
||
|
|
clock-frequency = <3686400>;
|
||
|
|
interrupts = <10>;
|
||
|
|
reg-shift = <2>;
|
||
|
|
reg-io-width = <4>;
|
||
|
|
dcd-override;
|
||
|
|
dsr-override;
|
||
|
|
cts-override;
|
||
|
|
ri-override;
|
||
|
|
};
|
||
|
|
|
||
|
|
- |
|
||
|
|
// Example with one clock:
|
||
|
|
serial@80230000 {
|
||
|
|
compatible = "snps,dw-apb-uart";
|
||
|
|
reg = <0x80230000 0x100>;
|
||
|
|
clocks = <&baudclk>;
|
||
|
|
interrupts = <10>;
|
||
|
|
reg-shift = <2>;
|
||
|
|
reg-io-width = <4>;
|
||
|
|
};
|
||
|
|
|
||
|
|
- |
|
||
|
|
// Example with two clocks:
|
||
|
|
serial@80230000 {
|
||
|
|
compatible = "snps,dw-apb-uart";
|
||
|
|
reg = <0x80230000 0x100>;
|
||
|
|
clocks = <&baudclk>, <&apb_pclk>;
|
||
|
|
clock-names = "baudclk", "apb_pclk";
|
||
|
|
interrupts = <10>;
|
||
|
|
reg-shift = <2>;
|
||
|
|
reg-io-width = <4>;
|
||
|
|
};
|
||
|
|
...
|