bindings/serial/pl011.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Rob Herring <robh@kernel.org>
13   - $ref: /schemas/arm/primecell.yaml#
14   - $ref: serial.yaml#
22           - arm,pl011
24     - compatible
29       - const: arm,pl011
30       - const: arm,primecell
38   pinctrl-0: true
39   pinctrl-1: true
41   pinctrl-names:
43       When present, must have one state named "default",
50       - const: default
51       - const: sleep
63   clock-names:
65       - const: uartclk
66       - const: apb_pclk
72   dma-names:
75       - const: rx
76       - const: tx
78   auto-poll:
80       Enables polling when using RX DMA.
83   poll-rate-ms:
85       Rate at which poll occurs when auto-poll is set.
86       default 100ms.
87     default: 100
89   poll-timeout-ms:
91       Poll timeout when auto-poll is set, default
93     default: 3000
98   reg-io-width:
105   - compatible
106   - reg
107   - interrupts
110   poll-rate-ms: [ auto-poll ]
111   poll-timeout-ms: [ auto-poll ]
116   - |
121       dmas = <&dma 13 0 0x2>, <&dma 13 0 0x0>;
122       dma-names = "rx", "tx";
124       clock-names = "uartclk", "apb_pclk";