Documentation/devicetree/bindings/mfd/atmel,hlcdc.yaml

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/atmel,hlcdc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Atmel's HLCD Controller

maintainers:
  - Nicolas Ferre <nicolas.ferre@microchip.com>
  - Alexandre Belloni <alexandre.belloni@bootlin.com>
  - Claudiu Beznea <claudiu.beznea@tuxon.dev>

description:
  The Atmel HLCDC (HLCD Controller) IP available on Atmel SoCs exposes two
  subdevices, a PWM chip and a Display Controller.

properties:
  compatible:
    enum:
      - atmel,at91sam9n12-hlcdc
      - atmel,at91sam9x5-hlcdc
      - atmel,sama5d2-hlcdc
      - atmel,sama5d3-hlcdc
      - atmel,sama5d4-hlcdc
      - microchip,sam9x60-hlcdc
      - microchip,sam9x75-xlcdc

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    minItems: 3

  clock-names:
    items:
      - const: periph_clk
      - const: sys_clk
      - const: slow_clk
      - const: lvds_pll_clk
    minItems: 3

  display-controller:
    $ref: /schemas/display/atmel/atmel,hlcdc-display-controller.yaml

  pwm:
    $ref: /schemas/pwm/atmel,hlcdc-pwm.yaml

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - interrupts

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/at91.h>
    #include <dt-bindings/dma/at91.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    lcd_controller: lcd-controller@f0030000 {
      compatible = "atmel,sama5d3-hlcdc";
      reg = <0xf0030000 0x2000>;
      clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
      clock-names = "periph_clk", "sys_clk", "slow_clk";
      interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;

      display-controller {
        compatible = "atmel,hlcdc-display-controller";
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
        #address-cells = <1>;
        #size-cells = <0>;

        port@0 {
          #address-cells = <1>;
          #size-cells = <0>;
          reg = <0>;

          hlcdc_panel_output: endpoint@0 {
            reg = <0>;
            remote-endpoint = <&panel_input>;
          };
        };
      };

      pwm {
        compatible = "atmel,hlcdc-pwm";
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_lcd_pwm>;
        #pwm-cells = <3>;
      };
    };