1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/mfd/atmel,hlcdc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Atmel's HLCD Controller
8
9 maintainers:
10 - Nicolas Ferre <nicolas.ferre@microchip.com>
11 - Alexandre Belloni <alexandre.belloni@bootlin.com>
12 - Claudiu Beznea <claudiu.beznea@tuxon.dev>
13
14 description:
15 The Atmel HLCDC (HLCD Controller) IP available on Atmel SoCs exposes two
16 subdevices, a PWM chip and a Display Controller.
17
18 properties:
19 compatible:
20 enum:
21 - atmel,at91sam9n12-hlcdc
22 - atmel,at91sam9x5-hlcdc
23 - atmel,sama5d2-hlcdc
24 - atmel,sama5d3-hlcdc
25 - atmel,sama5d4-hlcdc
26 - microchip,sam9x60-hlcdc
27 - microchip,sam9x75-xlcdc
28
29 reg:
30 maxItems: 1
31
32 interrupts:
33 maxItems: 1
34
35 clocks:
36 minItems: 3
37
38 clock-names:
39 items:
40 - const: periph_clk
41 - const: sys_clk
42 - const: slow_clk
43 - const: lvds_pll_clk
44 minItems: 3
45
46 display-controller:
47 $ref: /schemas/display/atmel/atmel,hlcdc-display-controller.yaml
48
49 pwm:
50 $ref: /schemas/pwm/atmel,hlcdc-pwm.yaml
51
52 required:
53 - compatible
54 - reg
55 - clocks
56 - clock-names
57 - interrupts
58
59 additionalProperties: false
60
61 examples:
62 - |
63 #include <dt-bindings/clock/at91.h>
64 #include <dt-bindings/dma/at91.h>
65 #include <dt-bindings/interrupt-controller/arm-gic.h>
66
67 lcd_controller: lcd-controller@f0030000 {
68 compatible = "atmel,sama5d3-hlcdc";
69 reg = <0xf0030000 0x2000>;
70 clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
71 clock-names = "periph_clk", "sys_clk", "slow_clk";
72 interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;
73
74 display-controller {
75 compatible = "atmel,hlcdc-display-controller";
76 pinctrl-names = "default";
77 pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
78 #address-cells = <1>;
79 #size-cells = <0>;
80
81 port@0 {
82 #address-cells = <1>;
83 #size-cells = <0>;
84 reg = <0>;
85
86 hlcdc_panel_output: endpoint@0 {
87 reg = <0>;
88 remote-endpoint = <&panel_input>;
89 };
90 };
91 };
92
93 pwm {
94 compatible = "atmel,hlcdc-pwm";
95 pinctrl-names = "default";
96 pinctrl-0 = <&pinctrl_lcd_pwm>;
97 #pwm-cells = <3>;
98 };
99 };
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