allwinner,sun6i-a31-prcm.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/mfd/allwinner,sun6i-a31-prcm.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Allwinner A31 PRCM Device Tree Bindings
    8 
    9 maintainers:
   10   - Chen-Yu Tsai <wens@csie.org>
   11   - Maxime Ripard <mripard@kernel.org>
   12 
   13 deprecated: true
   14 
   15 properties:
   16   compatible:
   17     const: allwinner,sun6i-a31-prcm
   18 
   19   reg:
   20     maxItems: 1
   21 
   22 patternProperties:
   23   "^.*_(clk|rst)$":
   24     type: object
   25 
   26     properties:
   27       compatible:
   28         enum:
   29           - allwinner,sun4i-a10-mod0-clk
   30           - allwinner,sun6i-a31-apb0-clk
   31           - allwinner,sun6i-a31-apb0-gates-clk
   32           - allwinner,sun6i-a31-ar100-clk
   33           - allwinner,sun6i-a31-clock-reset
   34           - fixed-factor-clock
   35 
   36     allOf:
   37       - if:
   38           properties:
   39             compatible:
   40               contains:
   41                 const: allwinner,sun6i-a31-apb0-clk
   42 
   43         then:
   44           properties:
   45             "#clock-cells":
   46               const: 0
   47 
   48             # Already checked in the main schema
   49             compatible: true
   50 
   51             clocks:
   52               maxItems: 1
   53 
   54             clock-output-names:
   55               maxItems: 1
   56 
   57             phandle: true
   58 
   59           required:
   60             - "#clock-cells"
   61             - compatible
   62             - clocks
   63             - clock-output-names
   64 
   65           additionalProperties: false
   66 
   67       - if:
   68           properties:
   69             compatible:
   70               contains:
   71                 const: allwinner,sun6i-a31-apb0-gates-clk
   72 
   73         then:
   74           properties:
   75             "#clock-cells":
   76               const: 1
   77               description: >
   78                 This additional argument passed to that clock is the
   79                 offset of the bit controlling this particular gate in
   80                 the register.
   81 
   82             # Already checked in the main schema
   83             compatible: true
   84 
   85             clocks:
   86               maxItems: 1
   87 
   88             clock-output-names:
   89               minItems: 1
   90               maxItems: 32
   91 
   92             phandle: true
   93 
   94           required:
   95             - "#clock-cells"
   96             - compatible
   97             - clocks
   98             - clock-output-names
   99 
  100           additionalProperties: false
  101 
  102       - if:
  103           properties:
  104             compatible:
  105               contains:
  106                 const: allwinner,sun6i-a31-ar100-clk
  107 
  108         then:
  109           properties:
  110             "#clock-cells":
  111               const: 0
  112 
  113             # Already checked in the main schema
  114             compatible: true
  115 
  116             clocks:
  117               maxItems: 4
  118               description: >
  119                 The parent order must match the hardware programming
  120                 order.
  121 
  122             clock-output-names:
  123               maxItems: 1
  124 
  125             phandle: true
  126 
  127           required:
  128             - "#clock-cells"
  129             - compatible
  130             - clocks
  131             - clock-output-names
  132 
  133           additionalProperties: false
  134 
  135       - if:
  136           properties:
  137             compatible:
  138               contains:
  139                 const: allwinner,sun6i-a31-clock-reset
  140 
  141         then:
  142           properties:
  143             "#reset-cells":
  144               const: 1
  145 
  146             # Already checked in the main schema
  147             compatible: true
  148 
  149             phandle: true
  150 
  151           required:
  152             - "#reset-cells"
  153             - compatible
  154 
  155           additionalProperties: false
  156 
  157 required:
  158   - compatible
  159   - reg
  160 
  161 additionalProperties: false
  162 
  163 examples:
  164   - |
  165     #include <dt-bindings/clock/sun6i-a31-ccu.h>
  166 
  167     prcm@1f01400 {
  168         compatible = "allwinner,sun6i-a31-prcm";
  169         reg = <0x01f01400 0x200>;
  170 
  171         ar100: ar100_clk {
  172             compatible = "allwinner,sun6i-a31-ar100-clk";
  173             #clock-cells = <0>;
  174             clocks = <&rtc 0>, <&osc24M>,
  175                      <&ccu CLK_PLL_PERIPH>,
  176                      <&ccu CLK_PLL_PERIPH>;
  177             clock-output-names = "ar100";
  178         };
  179 
  180         ahb0: ahb0_clk {
  181             compatible = "fixed-factor-clock";
  182             #clock-cells = <0>;
  183             clock-div = <1>;
  184             clock-mult = <1>;
  185             clocks = <&ar100>;
  186             clock-output-names = "ahb0";
  187         };
  188 
  189         apb0: apb0_clk {
  190             compatible = "allwinner,sun6i-a31-apb0-clk";
  191             #clock-cells = <0>;
  192             clocks = <&ahb0>;
  193             clock-output-names = "apb0";
  194         };
  195 
  196         apb0_gates: apb0_gates_clk {
  197             compatible = "allwinner,sun6i-a31-apb0-gates-clk";
  198             #clock-cells = <1>;
  199             clocks = <&apb0>;
  200             clock-output-names = "apb0_pio", "apb0_ir",
  201                                  "apb0_timer", "apb0_p2wi",
  202                                  "apb0_uart", "apb0_1wire",
  203                                  "apb0_i2c";
  204         };
  205 
  206         ir_clk: ir_clk {
  207             #clock-cells = <0>;
  208             compatible = "allwinner,sun4i-a10-mod0-clk";
  209             clocks = <&rtc 0>, <&osc24M>;
  210             clock-output-names = "ir";
  211         };
  212 
  213         apb0_rst: apb0_rst {
  214             compatible = "allwinner,sun6i-a31-clock-reset";
  215             #reset-cells = <1>;
  216         };
  217     };
  218 
  219 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mfd/allwinner,sun6i-a31-prcm.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mfd/allwinner,sun6i-a31-prcm.yaml