gpio-davinci.yaml

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

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/gpio/gpio-davinci.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/gpio/gpio-davinci.yaml