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 | # Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | $id: http://devicetree.org/schemas/phy/ti,phy-j721e-wiz.yaml# |
| 6 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 7 | |
| 8 | title: TI J721E WIZ (SERDES Wrapper) |
| 9 | |
| 10 | maintainers: |
| 11 | - Kishon Vijay Abraham I <kishon@ti.com> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | enum: |
| 16 | - ti,j721e-wiz-16g |
| 17 | - ti,j721e-wiz-10g |
| 18 | - ti,j721s2-wiz-10g |
| 19 | - ti,am64-wiz-10g |
| 20 | - ti,j7200-wiz-10g |
| 21 | - ti,j784s4-wiz-10g |
| 22 | |
| 23 | power-domains: |
| 24 | maxItems: 1 |
| 25 | |
| 26 | clocks: |
| 27 | minItems: 3 |
| 28 | maxItems: 4 |
| 29 | description: clock-specifier to represent input to the WIZ |
| 30 | |
| 31 | clock-names: |
| 32 | minItems: 3 |
| 33 | items: |
| 34 | - const: fck |
| 35 | - const: core_ref_clk |
| 36 | - const: ext_ref_clk |
| 37 | - const: core_ref1_clk |
| 38 | |
| 39 | num-lanes: |
| 40 | minimum: 1 |
| 41 | maximum: 4 |
| 42 | |
| 43 | "#address-cells": |
| 44 | const: 1 |
| 45 | |
| 46 | "#size-cells": |
| 47 | const: 1 |
| 48 | |
| 49 | "#reset-cells": |
| 50 | const: 1 |
| 51 | |
| 52 | "#clock-cells": |
| 53 | const: 1 |
| 54 | |
| 55 | ranges: true |
| 56 | |
| 57 | typec-dir-gpios: |
| 58 | maxItems: 1 |
| 59 | description: |
| 60 | GPIO to signal Type-C cable orientation for lane swap. |
| 61 | If GPIO is active, lane 0 and lane 1 of SERDES will be swapped to |
| 62 | achieve the functionality of an external type-C plug flip mux. |
| 63 | |
| 64 | typec-dir-debounce-ms: |
| 65 | minimum: 100 |
| 66 | maximum: 1000 |
| 67 | default: 100 |
| 68 | description: |
| 69 | Number of milliseconds to wait before sampling typec-dir-gpio. |
| 70 | If not specified, the default debounce of 100ms will be used. |
| 71 | Type-C spec states minimum CC pin debounce of 100 ms and maximum |
| 72 | of 200 ms. However, some solutions might need more than 200 ms. |
| 73 | |
| 74 | refclk-dig: |
| 75 | type: object |
| 76 | additionalProperties: false |
| 77 | description: | |
| 78 | WIZ node should have subnode for refclk_dig to select the reference |
| 79 | clock source for the reference clock used in the PHY and PMA digital |
| 80 | logic. |
| 81 | deprecated: true |
| 82 | properties: |
| 83 | clocks: |
| 84 | minItems: 2 |
| 85 | maxItems: 4 |
| 86 | description: Phandle to two (Torrent) or four (Sierra) clock nodes representing |
| 87 | the inputs to refclk_dig |
| 88 | |
| 89 | "#clock-cells": |
| 90 | const: 0 |
| 91 | |
| 92 | clock-output-names: |
| 93 | maxItems: 1 |
| 94 | |
| 95 | assigned-clocks: |
| 96 | maxItems: 1 |
| 97 | |
| 98 | assigned-clock-parents: |
| 99 | maxItems: 1 |
| 100 | |
| 101 | required: |
| 102 | - clocks |
| 103 | - "#clock-cells" |
| 104 | - assigned-clocks |
| 105 | - assigned-clock-parents |
| 106 | |
| 107 | ti,scm: |
| 108 | $ref: /schemas/types.yaml#/definitions/phandle |
| 109 | description: | |
| 110 | phandle to System Control Module for syscon regmap access. |
| 111 | |
| 112 | patternProperties: |
| 113 | "^pll[0|1]-refclk$": |
| 114 | type: object |
| 115 | additionalProperties: false |
| 116 | description: | |
| 117 | WIZ node should have subnodes for each of the PLLs present in |
| 118 | the SERDES. |
| 119 | deprecated: true |
| 120 | properties: |
| 121 | clocks: |
| 122 | maxItems: 2 |
| 123 | description: Phandle to clock nodes representing the two inputs to PLL. |
| 124 | |
| 125 | "#clock-cells": |
| 126 | const: 0 |
| 127 | |
| 128 | clock-output-names: |
| 129 | maxItems: 1 |
| 130 | |
| 131 | assigned-clocks: |
| 132 | maxItems: 1 |
| 133 | |
| 134 | assigned-clock-parents: |
| 135 | maxItems: 1 |
| 136 | |
| 137 | required: |
| 138 | - clocks |
| 139 | - "#clock-cells" |
| 140 | - assigned-clocks |
| 141 | - assigned-clock-parents |
| 142 | |
| 143 | "^cmn-refclk1?-dig-div$": |
| 144 | type: object |
| 145 | additionalProperties: false |
| 146 | description: |
| 147 | WIZ node should have subnodes for each of the PMA common refclock |
| 148 | provided by the SERDES. |
| 149 | deprecated: true |
| 150 | properties: |
| 151 | clocks: |
| 152 | maxItems: 1 |
| 153 | description: Phandle to the clock node representing the input to the |
| 154 | divider clock. |
| 155 | |
| 156 | "#clock-cells": |
| 157 | const: 0 |
| 158 | |
| 159 | clock-output-names: |
| 160 | maxItems: 1 |
| 161 | |
| 162 | required: |
| 163 | - clocks |
| 164 | - "#clock-cells" |
| 165 | |
| 166 | "^serdes@[0-9a-f]+$": |
| 167 | type: object |
| 168 | description: | |
| 169 | WIZ node should have '1' subnode for the SERDES. It could be either |
| 170 | Sierra SERDES or Torrent SERDES. Sierra SERDES should follow the |
| 171 | bindings specified in |
| 172 | Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml |
| 173 | Torrent SERDES should follow the bindings specified in |
| 174 | Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml |
| 175 | |
| 176 | required: |
| 177 | - compatible |
| 178 | - power-domains |
| 179 | - clocks |
| 180 | - clock-names |
| 181 | - num-lanes |
| 182 | - "#address-cells" |
| 183 | - "#size-cells" |
| 184 | - "#reset-cells" |
| 185 | - ranges |
| 186 | |
| 187 | allOf: |
| 188 | - if: |
| 189 | properties: |
| 190 | compatible: |
| 191 | contains: |
| 192 | const: ti,j7200-wiz-10g |
| 193 | then: |
| 194 | required: |
| 195 | - ti,scm |
| 196 | |
| 197 | additionalProperties: false |
| 198 | |
| 199 | examples: |
| 200 | - | |
| 201 | #include <dt-bindings/soc/ti,sci_pm_domain.h> |
| 202 | |
| 203 | wiz@5000000 { |
| 204 | compatible = "ti,j721e-wiz-16g"; |
| 205 | #address-cells = <1>; |
| 206 | #size-cells = <1>; |
| 207 | power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>; |
| 208 | clocks = <&k3_clks 292 5>, <&k3_clks 292 11>, <&dummy_cmn_refclk>; |
| 209 | clock-names = "fck", "core_ref_clk", "ext_ref_clk"; |
| 210 | assigned-clocks = <&k3_clks 292 11>, <&k3_clks 292 0>; |
| 211 | assigned-clock-parents = <&k3_clks 292 15>, <&k3_clks 292 4>; |
| 212 | num-lanes = <2>; |
| 213 | #reset-cells = <1>; |
| 214 | ranges = <0x5000000 0x5000000 0x10000>; |
| 215 | |
| 216 | pll0-refclk { |
| 217 | clocks = <&k3_clks 293 13>, <&dummy_cmn_refclk>; |
| 218 | #clock-cells = <0>; |
| 219 | assigned-clocks = <&wiz1_pll0_refclk>; |
| 220 | assigned-clock-parents = <&k3_clks 293 13>; |
| 221 | }; |
| 222 | |
| 223 | pll1-refclk { |
| 224 | clocks = <&k3_clks 293 0>, <&dummy_cmn_refclk1>; |
| 225 | #clock-cells = <0>; |
| 226 | assigned-clocks = <&wiz1_pll1_refclk>; |
| 227 | assigned-clock-parents = <&k3_clks 293 0>; |
| 228 | }; |
| 229 | |
| 230 | cmn-refclk-dig-div { |
| 231 | clocks = <&wiz1_refclk_dig>; |
| 232 | #clock-cells = <0>; |
| 233 | }; |
| 234 | |
| 235 | cmn-refclk1-dig-div { |
| 236 | clocks = <&wiz1_pll1_refclk>; |
| 237 | #clock-cells = <0>; |
| 238 | }; |
| 239 | |
| 240 | refclk-dig { |
| 241 | clocks = <&k3_clks 292 11>, <&k3_clks 292 0>, |
| 242 | <&dummy_cmn_refclk>, <&dummy_cmn_refclk1>; |
| 243 | #clock-cells = <0>; |
| 244 | assigned-clocks = <&wiz0_refclk_dig>; |
| 245 | assigned-clock-parents = <&k3_clks 292 11>; |
| 246 | }; |
| 247 | |
| 248 | serdes@5000000 { |
| 249 | compatible = "ti,sierra-phy-t0"; |
| 250 | reg-names = "serdes"; |
| 251 | reg = <0x5000000 0x10000>; |
| 252 | #address-cells = <1>; |
| 253 | #size-cells = <0>; |
| 254 | resets = <&serdes_wiz0 0>; |
| 255 | reset-names = "sierra_reset"; |
| 256 | clocks = <&wiz0_cmn_refclk_dig_div>, <&wiz0_cmn_refclk1_dig_div>; |
| 257 | clock-names = "cmn_refclk_dig_div", "cmn_refclk1_dig_div"; |
| 258 | }; |
| 259 | }; |