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Linux/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml

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Diff markup

Differences between /Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml (Version linux-6.12-rc7) and /Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml (Version linux-6.4.16)


  1 # SPDX-License-Identifier: (GPL-2.0-only OR BS      1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2 # Copyright (C) 2020 Texas Instruments Incorpo      2 # Copyright (C) 2020 Texas Instruments Incorporated
  3 # Author: Peter Ujfalusi <peter.ujfalusi@ti.com      3 # Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
  4 %YAML 1.2                                           4 %YAML 1.2
  5 ---                                                 5 ---
  6 $id: http://devicetree.org/schemas/sound/ti,j7      6 $id: http://devicetree.org/schemas/sound/ti,j721e-cpb-audio.yaml#
  7 $schema: http://devicetree.org/meta-schemas/co      7 $schema: http://devicetree.org/meta-schemas/core.yaml#
  8                                                     8 
  9 title: Texas Instruments J721e Common Processo      9 title: Texas Instruments J721e Common Processor Board Audio Support
 10                                                    10 
 11 maintainers:                                       11 maintainers:
 12   - Peter Ujfalusi <peter.ujfalusi@gmail.com>       12   - Peter Ujfalusi <peter.ujfalusi@gmail.com>
 13                                                    13 
 14 description: |                                     14 description: |
 15   The audio support on the board is using pcm3     15   The audio support on the board is using pcm3168a codec connected to McASP10
 16   serializers in parallel setup.                   16   serializers in parallel setup.
 17   The pcm3168a SCKI clock is sourced from j721     17   The pcm3168a SCKI clock is sourced from j721e AUDIO_REFCLK2 pin.
 18   In order to support 48KHz and 44.1KHz family     18   In order to support 48KHz and 44.1KHz family of sampling rates the parent
 19   clock for AUDIO_REFCLK2 needs to be changed      19   clock for AUDIO_REFCLK2 needs to be changed between PLL4 (for 48KHz) and
 20   PLL15 (for 44.1KHz). The same PLLs are used      20   PLL15 (for 44.1KHz). The same PLLs are used for McASP10's AUXCLK clock via
 21   different HSDIVIDER.                             21   different HSDIVIDER.
 22                                                    22 
 23   Clocking setup for j721e:                        23   Clocking setup for j721e:
 24     48KHz family:                                  24     48KHz family:
 25     PLL4 ---> PLL4_HSDIV0 ---> MCASP10_AUXCLK      25     PLL4 ---> PLL4_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
 26           |-> PLL4_HSDIV2 ---> AUDIO_REFCLK2       26           |-> PLL4_HSDIV2 ---> AUDIO_REFCLK2  ---> pcm3168a.SCKI
 27                                                    27 
 28     44.1KHz family:                                28     44.1KHz family:
 29     PLL15 ---> PLL15_HSDIV0 ---> MCASP10_AUXCL     29     PLL15 ---> PLL15_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
 30            |-> PLL15_HSDIV2 ---> AUDIO_REFCLK2     30            |-> PLL15_HSDIV2 ---> AUDIO_REFCLK2  ---> pcm3168a.SCKI
 31                                                    31 
 32   Clocking setup for j7200:                        32   Clocking setup for j7200:
 33     48KHz family:                                  33     48KHz family:
 34     PLL4 ---> PLL4_HSDIV0 ---> MCASP0_AUXCLK -     34     PLL4 ---> PLL4_HSDIV0 ---> MCASP0_AUXCLK ---> McASP0.auxclk
 35           |-> PLL4_HSDIV2 ---> AUDIO_REFCLK2       35           |-> PLL4_HSDIV2 ---> AUDIO_REFCLK2  ---> pcm3168a.SCKI
 36                                                    36 
 37 properties:                                        37 properties:
 38   compatible:                                      38   compatible:
 39     enum:                                          39     enum:
 40       - ti,j721e-cpb-audio                         40       - ti,j721e-cpb-audio
 41       - ti,j7200-cpb-audio                         41       - ti,j7200-cpb-audio
 42                                                    42 
 43   model:                                           43   model:
 44     $ref: /schemas/types.yaml#/definitions/str     44     $ref: /schemas/types.yaml#/definitions/string
 45     description: User specified audio sound ca     45     description: User specified audio sound card name
 46                                                    46 
 47   ti,cpb-mcasp:                                    47   ti,cpb-mcasp:
 48     description: phandle to McASP used on CPB      48     description: phandle to McASP used on CPB
 49     $ref: /schemas/types.yaml#/definitions/pha     49     $ref: /schemas/types.yaml#/definitions/phandle
 50                                                    50 
 51   ti,cpb-codec:                                    51   ti,cpb-codec:
 52     description: phandle to the pcm3168a codec     52     description: phandle to the pcm3168a codec used on the CPB
 53     $ref: /schemas/types.yaml#/definitions/pha     53     $ref: /schemas/types.yaml#/definitions/phandle
 54                                                    54 
 55   clocks:                                          55   clocks:
 56     minItems: 4                                    56     minItems: 4
 57     maxItems: 6                                    57     maxItems: 6
 58                                                    58 
 59   clock-names:                                     59   clock-names:
 60     minItems: 4                                    60     minItems: 4
 61     maxItems: 6                                    61     maxItems: 6
 62                                                    62 
 63 required:                                          63 required:
 64   - compatible                                     64   - compatible
 65   - model                                          65   - model
 66   - ti,cpb-mcasp                                   66   - ti,cpb-mcasp
 67   - ti,cpb-codec                                   67   - ti,cpb-codec
 68   - clocks                                         68   - clocks
 69   - clock-names                                    69   - clock-names
 70                                                    70 
 71 additionalProperties: false                        71 additionalProperties: false
 72                                                    72 
 73 allOf:                                             73 allOf:
 74   - if:                                            74   - if:
 75       properties:                                  75       properties:
 76         compatible:                                76         compatible:
 77           contains:                                77           contains:
 78             const: ti,j721e-cpb-audio              78             const: ti,j721e-cpb-audio
 79                                                    79 
 80     then:                                          80     then:
 81       properties:                                  81       properties:
 82         clocks:                                    82         clocks:
 83           items:                                   83           items:
 84             - description: AUXCLK clock for Mc     84             - description: AUXCLK clock for McASP used by CPB audio
 85             - description: Parent for CPB_McAS     85             - description: Parent for CPB_McASP auxclk (for 48KHz)
 86             - description: Parent for CPB_McAS     86             - description: Parent for CPB_McASP auxclk (for 44.1KHz)
 87             - description: SCKI clock for the      87             - description: SCKI clock for the pcm3168a codec on CPB
 88             - description: Parent for CPB_SCKI     88             - description: Parent for CPB_SCKI clock (for 48KHz)
 89             - description: Parent for CPB_SCKI     89             - description: Parent for CPB_SCKI clock (for 44.1KHz)
 90                                                    90 
 91         clock-names:                               91         clock-names:
 92           items:                                   92           items:
 93             - const: cpb-mcasp-auxclk              93             - const: cpb-mcasp-auxclk
 94             - const: cpb-mcasp-auxclk-48000        94             - const: cpb-mcasp-auxclk-48000
 95             - const: cpb-mcasp-auxclk-44100        95             - const: cpb-mcasp-auxclk-44100
 96             - const: cpb-codec-scki                96             - const: cpb-codec-scki
 97             - const: cpb-codec-scki-48000          97             - const: cpb-codec-scki-48000
 98             - const: cpb-codec-scki-44100          98             - const: cpb-codec-scki-44100
 99                                                    99 
100   - if:                                           100   - if:
101       properties:                                 101       properties:
102         compatible:                               102         compatible:
103           contains:                               103           contains:
104             const: ti,j7200-cpb-audio             104             const: ti,j7200-cpb-audio
105                                                   105 
106     then:                                         106     then:
107       properties:                                 107       properties:
108         clocks:                                   108         clocks:
109           items:                                  109           items:
110             - description: AUXCLK clock for Mc    110             - description: AUXCLK clock for McASP used by CPB audio
111             - description: Parent for CPB_McAS    111             - description: Parent for CPB_McASP auxclk (for 48KHz)
112             - description: SCKI clock for the     112             - description: SCKI clock for the pcm3168a codec on CPB
113             - description: Parent for CPB_SCKI    113             - description: Parent for CPB_SCKI clock (for 48KHz)
114                                                   114 
115         clock-names:                              115         clock-names:
116           items:                                  116           items:
117             - const: cpb-mcasp-auxclk             117             - const: cpb-mcasp-auxclk
118             - const: cpb-mcasp-auxclk-48000       118             - const: cpb-mcasp-auxclk-48000
119             - const: cpb-codec-scki               119             - const: cpb-codec-scki
120             - const: cpb-codec-scki-48000         120             - const: cpb-codec-scki-48000
121                                                   121 
122 examples:                                         122 examples:
123   - |+                                            123   - |+
124     sound {                                       124     sound {
125         compatible = "ti,j721e-cpb-audio";        125         compatible = "ti,j721e-cpb-audio";
126         model = "j721e-cpb";                      126         model = "j721e-cpb";
127                                                   127 
128         ti,cpb-mcasp = <&mcasp10>;                128         ti,cpb-mcasp = <&mcasp10>;
129         ti,cpb-codec = <&pcm3168a_1>;             129         ti,cpb-codec = <&pcm3168a_1>;
130                                                   130 
131         clocks = <&k3_clks 184 1>,                131         clocks = <&k3_clks 184 1>,
132                  <&k3_clks 184 2>, <&k3_clks 1    132                  <&k3_clks 184 2>, <&k3_clks 184 4>,
133                  <&k3_clks 157 371>,              133                  <&k3_clks 157 371>,
134                  <&k3_clks 157 400>, <&k3_clks    134                  <&k3_clks 157 400>, <&k3_clks 157 401>;
135         clock-names = "cpb-mcasp-auxclk",         135         clock-names = "cpb-mcasp-auxclk",
136                       "cpb-mcasp-auxclk-48000"    136                       "cpb-mcasp-auxclk-48000", "cpb-mcasp-auxclk-44100",
137                       "cpb-codec-scki",           137                       "cpb-codec-scki",
138                       "cpb-codec-scki-48000",     138                       "cpb-codec-scki-48000", "cpb-codec-scki-44100";
139     };                                            139     };
                                                      

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