bindings/serial/ingenic%2Cuart.yaml

0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/serial/ingenic,uart.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Ingenic SoCs UART controller devicetree bindings
0008
0009 maintainers:
0010   - Paul Cercueil <paul@crapouillou.net>
0011
0012 allOf:
0013   - $ref: serial.yaml#
0014
0015 properties:
0016   $nodename:
0017     pattern: "^serial@[0-9a-f]+$"
0018
0019   compatible:
0020     oneOf:
0021       - enum:
0022           - ingenic,jz4740-uart
0023           - ingenic,jz4760-uart
0024           - ingenic,jz4780-uart
0025           - ingenic,x1000-uart
0026       - items:
0027           - enum:
0028               - ingenic,jz4770-uart
0029               - ingenic,jz4775-uart
0030           - const: ingenic,jz4760-uart
0031       - items:
0032           - const: ingenic,jz4725b-uart
0033           - const: ingenic,jz4740-uart
0034
0035   reg:
0036     maxItems: 1
0037
0038   interrupts:
0039     maxItems: 1
0040
0041   clocks:
0042     items:
0043       - description: Baud clock
0044       - description: UART module clock
0045
0046   clock-names:
0047     items:
0048       - const: baud
0049       - const: module
0050
0051   dmas:
0052     items:
0053       - description: DMA controller phandle and request line for RX
0054       - description: DMA controller phandle and request line for TX
0055
0056   dma-names:
0057     items:
0058       - const: rx
0059       - const: tx
0060
0061 required:
0062   - compatible
0063   - reg
0064   - interrupts
0065   - clocks
0066   - clock-names
0067   - dmas
0068   - dma-names
0069
0070 unevaluatedProperties: false
0071
0072 examples:
0073   - |
0074     #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
0075     #include <dt-bindings/dma/jz4780-dma.h>
0076     #include <dt-bindings/gpio/gpio.h>
0077     serial@10032000 {
0078       compatible = "ingenic,jz4780-uart";
0079       reg = <0x10032000 0x100>;
0080
0081       interrupt-parent = <&intc>;
0082       interrupts = <49>;
0083
0084       clocks = <&ext>, <&cgu JZ4780_CLK_UART2>;
0085       clock-names = "baud", "module";
0086
0087       dmas = <&dma JZ4780_DMA_UART2_RX 0xffffffff>,
0088              <&dma JZ4780_DMA_UART2_TX 0xffffffff>;
0089       dma-names = "rx", "tx";
0090
0091       bluetooth {
0092         compatible = "brcm,bcm4330-bt";
0093         reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
0094         vbat-supply = <&wlan0_power>;
0095         device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
0096         host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
0097         shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
0098       };
0099     };