renesas,shmobile-lcdc.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/renesas,shmobile-lcdc.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Renesas SH-Mobile LCD Controller (LCDC)
  8
  9maintainers:
 10  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 11  - Geert Uytterhoeven <geert+renesas@glider.be>
 12
 13properties:
 14  compatible:
 15    enum:
 16      - renesas,r8a7740-lcdc # R-Mobile A1
 17      - renesas,sh73a0-lcdc  # SH-Mobile AG5
 18
 19  reg:
 20    maxItems: 1
 21
 22  interrupts:
 23    maxItems: 1
 24
 25  clocks:
 26    minItems: 1
 27    maxItems: 5
 28    description:
 29      Only the functional clock is mandatory.
 30      Some of the optional clocks are model-dependent (e.g. "video" (a.k.a.
 31      "vou" or "dv_clk") is available on R-Mobile A1 only).
 32
 33  clock-names:
 34    minItems: 1
 35    items:
 36      - const: fck
 37      - enum: [ media, lclk, hdmi, video ]
 38      - enum: [ media, lclk, hdmi, video ]
 39      - enum: [ media, lclk, hdmi, video ]
 40      - enum: [ media, lclk, hdmi, video ]
 41
 42  power-domains:
 43    maxItems: 1
 44
 45  ports:
 46    $ref: /schemas/graph.yaml#/properties/ports
 47
 48    properties:
 49      port@0:
 50        $ref: /schemas/graph.yaml#/properties/port
 51        description: LCD port (R-Mobile A1 and SH-Mobile AG5)
 52        unevaluatedProperties: false
 53
 54      port@1:
 55        $ref: /schemas/graph.yaml#/properties/port
 56        description: HDMI port (R-Mobile A1 LCDC1 and SH-Mobile AG5)
 57        unevaluatedProperties: false
 58
 59      port@2:
 60        $ref: /schemas/graph.yaml#/properties/port
 61        description: MIPI-DSI port (SH-Mobile AG5)
 62        unevaluatedProperties: false
 63
 64    required:
 65      - port@0
 66
 67    unevaluatedProperties: false
 68
 69required:
 70  - compatible
 71  - reg
 72  - interrupts
 73  - clocks
 74  - clock-names
 75  - power-domains
 76  - ports
 77
 78additionalProperties: false
 79
 80allOf:
 81  - if:
 82      properties:
 83        compatible:
 84          contains:
 85            const: renesas,r8a7740-lcdc
 86    then:
 87      properties:
 88        ports:
 89          properties:
 90            port@2: false
 91
 92  - if:
 93      properties:
 94        compatible:
 95          contains:
 96            const: renesas,sh73a0-lcdc
 97    then:
 98      properties:
 99        ports:
100          required:
101            - port@1
102            - port@2
103
104examples:
105  - |
106    #include <dt-bindings/clock/r8a7740-clock.h>
107    #include <dt-bindings/interrupt-controller/arm-gic.h>
108
109    lcd-controller@fe940000 {
110        compatible = "renesas,r8a7740-lcdc";
111        reg = <0xfe940000 0x4000>;
112        interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
113        clocks = <&mstp1_clks R8A7740_CLK_LCDC0>,
114                 <&cpg_clocks R8A7740_CLK_M3>, <&lcdlclk0_clk>,
115                 <&vou_clk>;
116        clock-names = "fck", "media", "lclk", "video";
117        power-domains = <&pd_a4lc>;
118
119        ports {
120            #address-cells = <1>;
121            #size-cells = <0>;
122
123            port@0 {
124                reg = <0>;
125
126                lcdc0_rgb: endpoint {
127                };
128            };
129        };
130    };