161 lines · yaml
1# SPDX-License-Identifier: GPL-2.0+2%YAML 1.23---4$id: http://devicetree.org/schemas/sram/allwinner,sun4i-a10-system-control.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Allwinner A10 System Control8 9maintainers:10 - Chen-Yu Tsai <wens@csie.org>11 - Maxime Ripard <mripard@kernel.org>12 13description:14 The SRAM controller found on most Allwinner devices is represented15 by a regular node for the SRAM controller itself, with sub-nodes16 representing the SRAM handled by the SRAM controller.17 18properties:19 "#address-cells":20 const: 121 22 "#size-cells":23 const: 124 25 compatible:26 oneOf:27 - enum:28 - allwinner,sun4i-a10-sram-controller29 - allwinner,sun50i-a64-sram-controller30 deprecated: true31 - enum:32 - allwinner,sun4i-a10-system-control33 - allwinner,sun5i-a13-system-control34 - allwinner,sun8i-a23-system-control35 - allwinner,sun8i-h3-system-control36 - allwinner,sun20i-d1-system-control37 - allwinner,sun50i-a64-system-control38 - allwinner,sun50i-h5-system-control39 - allwinner,sun50i-h616-system-control40 - items:41 - enum:42 - allwinner,suniv-f1c100s-system-control43 - allwinner,sun7i-a20-system-control44 - allwinner,sun8i-r40-system-control45 - const: allwinner,sun4i-a10-system-control46 - items:47 - const: allwinner,sun8i-v3s-system-control48 - const: allwinner,sun8i-h3-system-control49 - items:50 - const: allwinner,sun50i-h6-system-control51 - const: allwinner,sun50i-a64-system-control52 53 reg:54 maxItems: 155 56 ranges: true57 58patternProperties:59 "^regulators@[0-9a-f]+$":60 $ref: /schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#61 62 "^sram@[a-f0-9]+":63 $ref: /schemas/sram/sram.yaml#64 unevaluatedProperties: false65 66 patternProperties:67 "^sram-section?@[a-f0-9]+$":68 type: object69 additionalProperties: false70 71 properties:72 reg: true73 74 compatible:75 oneOf:76 - const: allwinner,sun4i-a10-sram-a3-a477 - const: allwinner,sun4i-a10-sram-c178 - const: allwinner,sun4i-a10-sram-d79 - const: allwinner,sun50i-a64-sram-c80 - items:81 - enum:82 - allwinner,sun5i-a13-sram-a3-a483 - allwinner,sun7i-a20-sram-a3-a484 - const: allwinner,sun4i-a10-sram-a3-a485 - items:86 - enum:87 - allwinner,sun5i-a13-sram-c188 - allwinner,sun7i-a20-sram-c189 - allwinner,sun8i-a23-sram-c190 - allwinner,sun8i-h3-sram-c191 - allwinner,sun8i-r40-sram-c192 - allwinner,sun50i-a64-sram-c193 - allwinner,sun50i-h5-sram-c194 - allwinner,sun50i-h6-sram-c195 - const: allwinner,sun4i-a10-sram-c196 - items:97 - enum:98 - allwinner,suniv-f1c100s-sram-d99 - allwinner,sun5i-a13-sram-d100 - allwinner,sun7i-a20-sram-d101 - const: allwinner,sun4i-a10-sram-d102 - items:103 - const: allwinner,sun50i-h6-sram-c104 - const: allwinner,sun50i-a64-sram-c105 106required:107 - "#address-cells"108 - "#size-cells"109 - compatible110 - reg111 112additionalProperties: false113 114examples:115 - |116 system-control@1c00000 {117 compatible = "allwinner,sun4i-a10-system-control";118 reg = <0x01c00000 0x30>;119 #address-cells = <1>;120 #size-cells = <1>;121 ranges;122 123 sram_a: sram@0 {124 compatible = "mmio-sram";125 reg = <0x00000000 0xc000>;126 #address-cells = <1>;127 #size-cells = <1>;128 ranges = <0 0x00000000 0xc000>;129 130 emac_sram: sram-section@8000 {131 compatible = "allwinner,sun4i-a10-sram-a3-a4";132 reg = <0x8000 0x4000>;133 };134 };135 };136 137 - |138 syscon@3000000 {139 compatible = "allwinner,sun20i-d1-system-control";140 reg = <0x3000000 0x1000>;141 ranges;142 #address-cells = <1>;143 #size-cells = <1>;144 145 regulators@3000150 {146 compatible = "allwinner,sun20i-d1-system-ldos";147 reg = <0x3000150 0x4>;148 149 reg_ldoa: ldoa {150 regulator-min-microvolt = <1800000>;151 regulator-max-microvolt = <1800000>;152 };153 154 reg_ldob: ldob {155 regulator-name = "vcc-dram";156 regulator-min-microvolt = <1500000>;157 regulator-max-microvolt = <1500000>;158 };159 };160 };161