gpio-davinci.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/gpio/gpio-davinci.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: GPIO controller for Davinci and keystone devices
  8
  9maintainers:
 10  - Keerthy <j-keerthy@ti.com>
 11
 12properties:
 13  compatible:
 14    oneOf:
 15      - items:
 16          - enum:
 17              - ti,k2g-gpio
 18              - ti,am654-gpio
 19              - ti,j721e-gpio
 20              - ti,am64-gpio
 21          - const: ti,keystone-gpio
 22
 23      - items:
 24          - enum:
 25              - ti,dm6441-gpio
 26              - ti,keystone-gpio
 27
 28  reg:
 29    maxItems: 1
 30
 31  gpio-controller: true
 32
 33  gpio-ranges: true
 34
 35  gpio-reserved-ranges: true
 36
 37  gpio-line-names:
 38    description: strings describing the names of each gpio line.
 39    minItems: 1
 40    maxItems: 144
 41
 42  "#gpio-cells":
 43    const: 2
 44    description:
 45      first cell is the pin number and second cell is used to specify optional parameters (unused).
 46
 47  interrupts:
 48    description:
 49      The interrupts are specified as per the interrupt parent. Only banked
 50      or unbanked IRQs are supported at a time. If the interrupts are
 51      banked then provide list of interrupts corresponding to each bank, else
 52      provide the list of interrupts for each gpio.
 53    minItems: 1
 54    maxItems: 100
 55
 56  ti,ngpio:
 57    $ref: /schemas/types.yaml#/definitions/uint32
 58    description: The number of GPIO pins supported consecutively.
 59    minimum: 1
 60
 61  ti,davinci-gpio-unbanked:
 62    $ref: /schemas/types.yaml#/definitions/uint32
 63    description: The number of GPIOs that have an individual interrupt line to processor.
 64    minimum: 0
 65
 66  clocks:
 67    maxItems: 1
 68
 69  clock-names:
 70    const: gpio
 71
 72  interrupt-controller: true
 73
 74  power-domains:
 75    maxItems: 1
 76
 77  "#interrupt-cells":
 78    const: 2
 79
 80patternProperties:
 81  "^(.+-hog(-[0-9]+)?)$":
 82    type: object
 83
 84    required:
 85      - gpio-hog
 86
 87required:
 88  - compatible
 89  - reg
 90  - gpio-controller
 91  - "#gpio-cells"
 92  - interrupts
 93  - ti,ngpio
 94  - ti,davinci-gpio-unbanked
 95  - clocks
 96  - clock-names
 97
 98additionalProperties: false
 99
100examples:
101  - |
102    #include<dt-bindings/interrupt-controller/arm-gic.h>
103
104    gpio0: gpio@2603000 {
105      compatible = "ti,k2g-gpio", "ti,keystone-gpio";
106      reg = <0x02603000 0x100>;
107      gpio-controller;
108      #gpio-cells = <2>;
109      interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
110                   <GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
111                   <GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
112                   <GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
113                   <GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
114                   <GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
115                   <GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
116                   <GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
117                   <GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
118      interrupt-controller;
119      #interrupt-cells = <2>;
120      ti,ngpio = <144>;
121      ti,davinci-gpio-unbanked = <0>;
122      clocks = <&k2g_clks 0x001b 0x0>;
123      clock-names = "gpio";
124    };
125
126  - |
127    #include<dt-bindings/interrupt-controller/arm-gic.h>
128
129    gpio1: gpio@260bf00 {
130      compatible = "ti,keystone-gpio";
131      reg = <0x0260bf00 0x100>;
132      gpio-controller;
133      #gpio-cells = <2>;
134      /* HW Interrupts mapped to GPIO pins */
135      interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>,
136                   <GIC_SPI 121 IRQ_TYPE_EDGE_RISING>,
137                   <GIC_SPI 122 IRQ_TYPE_EDGE_RISING>,
138                   <GIC_SPI 123 IRQ_TYPE_EDGE_RISING>,
139                   <GIC_SPI 124 IRQ_TYPE_EDGE_RISING>,
140                   <GIC_SPI 125 IRQ_TYPE_EDGE_RISING>,
141                   <GIC_SPI 126 IRQ_TYPE_EDGE_RISING>,
142                   <GIC_SPI 127 IRQ_TYPE_EDGE_RISING>,
143                   <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>,
144                   <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>,
145                   <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>,
146                   <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>,
147                   <GIC_SPI 132 IRQ_TYPE_EDGE_RISING>,
148                   <GIC_SPI 133 IRQ_TYPE_EDGE_RISING>,
149                   <GIC_SPI 134 IRQ_TYPE_EDGE_RISING>,
150                   <GIC_SPI 135 IRQ_TYPE_EDGE_RISING>,
151                   <GIC_SPI 136 IRQ_TYPE_EDGE_RISING>,
152                   <GIC_SPI 137 IRQ_TYPE_EDGE_RISING>,
153                   <GIC_SPI 138 IRQ_TYPE_EDGE_RISING>,
154                   <GIC_SPI 139 IRQ_TYPE_EDGE_RISING>,
155                   <GIC_SPI 140 IRQ_TYPE_EDGE_RISING>,
156                   <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>,
157                   <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>,
158                   <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>,
159                   <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>,
160                   <GIC_SPI 145 IRQ_TYPE_EDGE_RISING>,
161                   <GIC_SPI 146 IRQ_TYPE_EDGE_RISING>,
162                   <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>,
163                   <GIC_SPI 148 IRQ_TYPE_EDGE_RISING>,
164                   <GIC_SPI 149 IRQ_TYPE_EDGE_RISING>,
165                   <GIC_SPI 150 IRQ_TYPE_EDGE_RISING>,
166                   <GIC_SPI 151 IRQ_TYPE_EDGE_RISING>;
167      clocks = <&clkgpio>;
168      clock-names = "gpio";
169      ti,ngpio = <32>;
170      ti,davinci-gpio-unbanked = <32>;
171    };
172
173  - |
174    wkup_gpio0: gpio0@42110000 {
175      compatible = "ti,am654-gpio", "ti,keystone-gpio";
176      reg = <0x42110000 0x100>;
177      gpio-controller;
178      #gpio-cells = <2>;
179      interrupt-parent = <&intr_wkup_gpio>;
180      interrupts = <60>, <61>, <62>, <63>;
181      interrupt-controller;
182      #interrupt-cells = <2>;
183      ti,ngpio = <56>;
184      ti,davinci-gpio-unbanked = <0>;
185      clocks = <&k3_clks 59 0>;
186      clock-names = "gpio";
187    };