allwinner,sun8i-a23-prcm.yaml

  1# SPDX-License-Identifier: GPL-2.0+
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/mfd/allwinner,sun8i-a23-prcm.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner A23 PRCM
  8
  9maintainers:
 10  - Chen-Yu Tsai <wens@csie.org>
 11  - Maxime Ripard <mripard@kernel.org>
 12
 13deprecated: true
 14
 15properties:
 16  compatible:
 17    const: allwinner,sun8i-a23-prcm
 18
 19  reg:
 20    maxItems: 1
 21
 22patternProperties:
 23  "^.*(clk|rst|codec).*$":
 24    type: object
 25    unevaluatedProperties: false
 26
 27    properties:
 28      compatible:
 29        enum:
 30          - fixed-factor-clock
 31          - allwinner,sun8i-a23-apb0-clk
 32          - allwinner,sun8i-a23-apb0-gates-clk
 33          - allwinner,sun6i-a31-clock-reset
 34          - allwinner,sun8i-a23-codec-analog
 35
 36    required:
 37      - compatible
 38
 39    allOf:
 40      - if:
 41          properties:
 42            compatible:
 43              contains:
 44                const: fixed-factor-clock
 45
 46        then:
 47          $ref: /schemas/clock/fixed-factor-clock.yaml#
 48
 49      - if:
 50          properties:
 51            compatible:
 52              contains:
 53                const: allwinner,sun8i-a23-apb0-clk
 54
 55        then:
 56          properties:
 57            "#clock-cells":
 58              const: 0
 59
 60            clocks:
 61              maxItems: 1
 62
 63            clock-output-names:
 64              maxItems: 1
 65
 66          required:
 67            - "#clock-cells"
 68            - clocks
 69            - clock-output-names
 70
 71      - if:
 72          properties:
 73            compatible:
 74              contains:
 75                const: allwinner,sun8i-a23-apb0-gates-clk
 76
 77        then:
 78          properties:
 79            "#clock-cells":
 80              const: 1
 81              description: >
 82                This additional argument passed to that clock is the
 83                offset of the bit controlling this particular gate in
 84                the register.
 85
 86            clocks:
 87              maxItems: 1
 88
 89            clock-output-names:
 90              minItems: 1
 91              maxItems: 32
 92
 93          required:
 94            - "#clock-cells"
 95            - clocks
 96            - clock-output-names
 97
 98      - if:
 99          properties:
100            compatible:
101              contains:
102                const: allwinner,sun6i-a31-clock-reset
103
104        then:
105          properties:
106            "#reset-cells":
107              const: 1
108
109          required:
110            - "#reset-cells"
111
112required:
113  - compatible
114  - reg
115
116additionalProperties: false
117
118examples:
119  - |
120    prcm@1f01400 {
121        compatible = "allwinner,sun8i-a23-prcm";
122        reg = <0x01f01400 0x200>;
123
124        ar100: ar100_clk {
125            compatible = "fixed-factor-clock";
126            #clock-cells = <0>;
127            clock-div = <1>;
128            clock-mult = <1>;
129            clocks = <&osc24M>;
130            clock-output-names = "ar100";
131        };
132
133        ahb0: ahb0_clk {
134            compatible = "fixed-factor-clock";
135            #clock-cells = <0>;
136            clock-div = <1>;
137            clock-mult = <1>;
138            clocks = <&ar100>;
139            clock-output-names = "ahb0";
140        };
141
142        apb0: apb0_clk {
143            compatible = "allwinner,sun8i-a23-apb0-clk";
144            #clock-cells = <0>;
145            clocks = <&ahb0>;
146            clock-output-names = "apb0";
147        };
148
149        apb0_gates: apb0_gates_clk {
150            compatible = "allwinner,sun8i-a23-apb0-gates-clk";
151            #clock-cells = <1>;
152            clocks = <&apb0>;
153            clock-output-names = "apb0_pio", "apb0_timer",
154                                 "apb0_rsb", "apb0_uart",
155                                 "apb0_i2c";
156        };
157
158        apb0_rst: apb0_rst {
159            compatible = "allwinner,sun6i-a31-clock-reset";
160            #reset-cells = <1>;
161        };
162
163        codec_analog: codec-analog {
164            compatible = "allwinner,sun8i-a23-codec-analog";
165        };
166    };
167
168...