Bindings/soc/samsung/exynos-pmu.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/soc/samsung/exynos-pmu.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Samsung Exynos SoC series Power Management Unit (PMU)
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzk@kernel.org>
  11
  12 # Custom select to avoid matching all nodes with 'syscon'
  13 select:
  14   properties:
  15     compatible:
  16       contains:
  17         enum:
  18           - google,gs101-pmu
  19           - samsung,exynos3250-pmu
  20           - samsung,exynos4210-pmu
  21           - samsung,exynos4212-pmu
  22           - samsung,exynos4412-pmu
  23           - samsung,exynos5250-pmu
  24           - samsung,exynos5260-pmu
  25           - samsung,exynos5410-pmu
  26           - samsung,exynos5420-pmu
  27           - samsung,exynos5433-pmu
  28           - samsung,exynos7-pmu
  29           - samsung,exynos850-pmu
  30           - samsung-s5pv210-pmu
  31   required:
  32     - compatible
  33
  34 properties:
  35   compatible:
  36     oneOf:
  37       - items:
  38           - enum:
  39               - google,gs101-pmu
  40               - samsung,exynos3250-pmu
  41               - samsung,exynos4210-pmu
  42               - samsung,exynos4212-pmu
  43               - samsung,exynos4412-pmu
  44               - samsung,exynos5250-pmu
  45               - samsung,exynos5260-pmu
  46               - samsung,exynos5410-pmu
  47               - samsung,exynos5420-pmu
  48               - samsung,exynos5433-pmu
  49               - samsung,exynos7-pmu
  50               - samsung,exynos850-pmu
  51               - samsung-s5pv210-pmu
  52           - const: syscon
  53       - items:
  54           - enum:
  55               - samsung,exynos7885-pmu
  56               - samsung,exynosautov9-pmu
  57               - samsung,exynosautov920-pmu
  58               - tesla,fsd-pmu
  59           - const: samsung,exynos7-pmu
  60           - const: syscon
  61       - items:
  62           - enum:
  63               - samsung,exynos3250-pmu
  64               - samsung,exynos4210-pmu
  65               - samsung,exynos4212-pmu
  66               - samsung,exynos4412-pmu
  67               - samsung,exynos5250-pmu
  68               - samsung,exynos5420-pmu
  69               - samsung,exynos5433-pmu
  70           - const: simple-mfd
  71           - const: syscon
  72
  73   reg:
  74     maxItems: 1
  75
  76   '#clock-cells':
  77     const: 1
  78
  79   clock-names:
  80     description:
  81       List of clock names for particular CLKOUT mux inputs
  82     minItems: 1
  83     maxItems: 32
  84     items:
  85       pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$'
  86
  87   clocks:
  88     minItems: 1
  89     maxItems: 32
  90
  91   dp-phy:
  92     $ref: /schemas/phy/samsung,dp-video-phy.yaml
  93     unevaluatedProperties: false
  94
  95   interrupt-controller:
  96     description:
  97       Some PMUs are capable of behaving as an interrupt controller (mostly
  98       to wake up a suspended PMU).
  99
 100   '#interrupt-cells':
 101     description:
 102       Must be identical to the that of the parent interrupt controller.
 103     const: 3
 104
 105   mipi-phy:
 106     $ref: /schemas/phy/samsung,mipi-video-phy.yaml
 107     unevaluatedProperties: false
 108
 109   reboot-mode:
 110     $ref: /schemas/power/reset/syscon-reboot-mode.yaml
 111     type: object
 112     description:
 113       Reboot mode to alter bootloader behavior for the next boot
 114
 115   syscon-poweroff:
 116     $ref: /schemas/power/reset/syscon-poweroff.yaml#
 117     type: object
 118     description:
 119       Node for power off method
 120
 121   syscon-reboot:
 122     $ref: /schemas/power/reset/syscon-reboot.yaml#
 123     type: object
 124     description:
 125       Node for reboot method
 126
 127 required:
 128   - compatible
 129   - reg
 130
 131 additionalProperties: false
 132
 133 allOf:
 134   - if:
 135       properties:
 136         compatible:
 137           contains:
 138             enum:
 139               - samsung,exynos3250-pmu
 140               - samsung,exynos4210-pmu
 141               - samsung,exynos4212-pmu
 142               - samsung,exynos4412-pmu
 143               - samsung,exynos5250-pmu
 144               - samsung,exynos5410-pmu
 145               - samsung,exynos5420-pmu
 146               - samsung,exynos5433-pmu
 147     then:
 148       required:
 149         - '#clock-cells'
 150         - clock-names
 151         - clocks
 152
 153   - if:
 154       properties:
 155         compatible:
 156           contains:
 157             enum:
 158               - samsung,exynos3250-pmu
 159               - samsung,exynos4210-pmu
 160               - samsung,exynos4212-pmu
 161               - samsung,exynos4412-pmu
 162               - samsung,exynos5250-pmu
 163               - samsung,exynos5420-pmu
 164               - samsung,exynos5433-pmu
 165     then:
 166       properties:
 167         mipi-phy: true
 168     else:
 169       properties:
 170         mipi-phy: false
 171
 172   - if:
 173       properties:
 174         compatible:
 175           contains:
 176             enum:
 177               - samsung,exynos5250-pmu
 178               - samsung,exynos5420-pmu
 179               - samsung,exynos5433-pmu
 180     then:
 181       properties:
 182         dp-phy: true
 183     else:
 184       properties:
 185         dp-phy: false
 186
 187 examples:
 188   - |
 189     #include <dt-bindings/clock/exynos5250.h>
 190
 191     pmu_system_controller: system-controller@10040000 {
 192         compatible = "samsung,exynos5250-pmu", "syscon";
 193         reg = <0x10040000 0x5000>;
 194         interrupt-controller;
 195         #interrupt-cells = <3>;
 196         interrupt-parent = <&gic>;
 197         #clock-cells = <1>;
 198         clock-names = "clkout16";
 199         clocks = <&clock CLK_FIN_PLL>;
 200
 201         dp-phy {
 202             compatible = "samsung,exynos5250-dp-video-phy";
 203             #phy-cells = <0>;
 204         };
 205
 206         mipi-phy {
 207             compatible = "samsung,s5pv210-mipi-video-phy";
 208             #phy-cells = <1>;
 209         };
 210     };