ingenic,nemc.yaml (2027B)
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 7title: Ingenic SoCs NAND / External Memory Controller (NEMC) devicetree bindings 8 9maintainers: 10 - Paul Cercueil <paul@crapouillou.net> 11 12properties: 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 39patternProperties: 40 ".*@[0-9]+$": 41 type: object 42 43required: 44 - compatible 45 - "#address-cells" 46 - "#size-cells" 47 - ranges 48 - reg 49 - clocks 50 51additionalProperties: false 52 53examples: 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 = <ð0_power>; 89 90 interrupt-parent = <&gpe>; 91 interrupts = <19 4>; 92 }; 93 };