Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | $ref: mc-peripheral-props.yaml# |
| 43 | additionalProperties: true |
| 44 | |
| 45 | required: |
| 46 | - compatible |
| 47 | - "#address-cells" |
| 48 | - "#size-cells" |
| 49 | - ranges |
| 50 | - reg |
| 51 | - clocks |
| 52 | |
| 53 | additionalProperties: false |
| 54 | |
| 55 | examples: |
| 56 | - | |
| 57 | #include <dt-bindings/clock/ingenic,jz4780-cgu.h> |
| 58 | #include <dt-bindings/gpio/gpio.h> |
| 59 | nemc: memory-controller@13410000 { |
| 60 | compatible = "ingenic,jz4780-nemc"; |
| 61 | reg = <0x13410000 0x10000>; |
| 62 | #address-cells = <2>; |
| 63 | #size-cells = <1>; |
| 64 | ranges = <1 0 0x1b000000 0x1000000>, |
| 65 | <2 0 0x1a000000 0x1000000>, |
| 66 | <3 0 0x19000000 0x1000000>, |
| 67 | <4 0 0x18000000 0x1000000>, |
| 68 | <5 0 0x17000000 0x1000000>, |
| 69 | <6 0 0x16000000 0x1000000>; |
| 70 | |
| 71 | clocks = <&cgu JZ4780_CLK_NEMC>; |
| 72 | |
| 73 | ethernet@6 { |
| 74 | compatible = "davicom,dm9000"; |
| 75 | davicom,no-eeprom; |
| 76 | |
| 77 | pinctrl-names = "default"; |
| 78 | pinctrl-0 = <&pins_nemc_cs6>; |
| 79 | |
| 80 | reg = <6 0 1>, /* addr */ |
| 81 | <6 2 1>; /* data */ |
| 82 | |
| 83 | ingenic,nemc-tAS = <15>; |
| 84 | ingenic,nemc-tAH = <10>; |
| 85 | ingenic,nemc-tBP = <20>; |
| 86 | ingenic,nemc-tAW = <50>; |
| 87 | ingenic,nemc-tSTRV = <100>; |
| 88 | |
| 89 | reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>; |
| 90 | vcc-supply = <ð0_power>; |
| 91 | |
| 92 | interrupt-parent = <&gpe>; |
| 93 | interrupts = <19 4>; |
| 94 | }; |
| 95 | }; |