ti,tcan104x-can.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/phy/ti,tcan104x-can.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: TCAN104x CAN TRANSCEIVER PHY
  8
  9maintainers:
 10  - Aswath Govindraju <a-govindraju@ti.com>
 11
 12properties:
 13  $nodename:
 14    pattern: "^can-phy"
 15
 16  compatible:
 17    oneOf:
 18      - items:
 19          - enum:
 20              - microchip,ata6561
 21              - ti,tcan1051
 22          - const: ti,tcan1042
 23      - enum:
 24          - ti,tcan1042
 25          - ti,tcan1043
 26          - nxp,tja1048
 27          - nxp,tja1051
 28          - nxp,tja1057
 29          - nxp,tjr1443
 30
 31  '#phy-cells':
 32    enum: [0, 1]
 33
 34  silent-gpios:
 35    description:
 36      gpio node to toggle silent signal on transceiver
 37    maxItems: 1
 38
 39  standby-gpios:
 40    description:
 41      gpio node to toggle standby signal on transceiver. For two Items, item 1
 42      is for stbn1, item 2 is for stbn2.
 43    minItems: 1
 44    maxItems: 2
 45
 46  enable-gpios:
 47    description:
 48      gpio node to toggle enable signal on transceiver
 49    maxItems: 1
 50
 51  max-bitrate:
 52    $ref: /schemas/types.yaml#/definitions/uint32
 53    description:
 54      max bit rate supported in bps
 55    minimum: 1
 56
 57  mux-states:
 58    description:
 59      mux controller node to route the signals from controller to
 60      transceiver.
 61    maxItems: 1
 62
 63required:
 64  - compatible
 65  - '#phy-cells'
 66
 67allOf:
 68  - if:
 69      properties:
 70        compatible:
 71          enum:
 72            - nxp,tjr1443
 73            - ti,tcan1042
 74            - ti,tcan1043
 75    then:
 76      properties:
 77        '#phy-cells':
 78          const: 0
 79        silent-gpios: false
 80        standby-gpios:
 81          maxItems: 1
 82
 83  - if:
 84      properties:
 85        compatible:
 86          contains:
 87            const: nxp,tja1048
 88    then:
 89      properties:
 90        '#phy-cells':
 91          const: 1
 92        enable-gpios: false
 93        silent-gpios: false
 94        standby-gpios:
 95          minItems: 2
 96
 97  - if:
 98      properties:
 99        compatible:
100          contains:
101            const: nxp,tja1051
102    then:
103      properties:
104        '#phy-cells':
105          const: 0
106        standby-gpios: false
107
108  - if:
109      properties:
110        compatible:
111          contains:
112            const: nxp,tja1057
113    then:
114      properties:
115        '#phy-cells':
116          const: 0
117        enable-gpios: false
118        standby-gpios: false
119
120additionalProperties: false
121
122examples:
123  - |
124    #include <dt-bindings/gpio/gpio.h>
125
126    transceiver1: can-phy {
127      compatible = "ti,tcan1043";
128      #phy-cells = <0>;
129      max-bitrate = <5000000>;
130      standby-gpios = <&wakeup_gpio1 16 GPIO_ACTIVE_LOW>;
131      enable-gpios = <&main_gpio1 67 GPIO_ACTIVE_HIGH>;
132      mux-states = <&mux0 1>;
133    };