Bindings/memory-controllers/ingenic,nemc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ingenic SoCs NAND / External Memory Controller (NEMC)
   8
   9 maintainers:
  10   - Paul Cercueil <paul@crapouillou.net>
  11
  12 properties:
  13   $nodename:
  14     pattern: "^memory-controller@[0-9a-f]+$"
  15
  16   compatible:
  17     oneOf:
  18       - enum:
  19           - ingenic,jz4740-nemc
  20           - ingenic,jz4780-nemc
  21       - items:
  22           - const: ingenic,jz4725b-nemc
  23           - const: ingenic,jz4740-nemc
  24
  25   "#address-cells":
  26     const: 2
  27
  28   "#size-cells":
  29     const: 1
  30
  31   ranges: true
  32
  33   reg:
  34     maxItems: 1
  35
  36   clocks:
  37     maxItems: 1
  38
  39 patternProperties:
  40   ".*@[0-9]+$":
  41     type: object
  42
  43 required:
  44   - compatible
  45   - "#address-cells"
  46   - "#size-cells"
  47   - ranges
  48   - reg
  49   - clocks
  50
  51 additionalProperties: false
  52
  53 examples:
  54   - |
  55     #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
  56     #include <dt-bindings/gpio/gpio.h>
  57     nemc: memory-controller@13410000 {
  58       compatible = "ingenic,jz4780-nemc";
  59       reg = <0x13410000 0x10000>;
  60       #address-cells = <2>;
  61       #size-cells = <1>;
  62       ranges = <1 0 0x1b000000 0x1000000>,
  63          <2 0 0x1a000000 0x1000000>,
  64          <3 0 0x19000000 0x1000000>,
  65          <4 0 0x18000000 0x1000000>,
  66          <5 0 0x17000000 0x1000000>,
  67          <6 0 0x16000000 0x1000000>;
  68
  69       clocks = <&cgu JZ4780_CLK_NEMC>;
  70
  71       ethernet@6 {
  72         compatible = "davicom,dm9000";
  73         davicom,no-eeprom;
  74
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&pins_nemc_cs6>;
  77
  78         reg = <6 0 1>, /* addr */
  79               <6 2 1>; /* data */
  80
  81         ingenic,nemc-tAS = <15>;
  82         ingenic,nemc-tAH = <10>;
  83         ingenic,nemc-tBP = <20>;
  84         ingenic,nemc-tAW = <50>;
  85         ingenic,nemc-tSTRV = <100>;
  86
  87         reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
  88         vcc-supply = <&eth0_power>;
  89
  90         interrupt-parent = <&gpe>;
  91         interrupts = <19 4>;
  92       };
  93     };