xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice-Tree bindings for Atmel's HLCDC (High LCD Controller) MFD driver
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun - compatible: value should be one of the following:
5*4882a593Smuzhiyun   "atmel,at91sam9n12-hlcdc"
6*4882a593Smuzhiyun   "atmel,at91sam9x5-hlcdc"
7*4882a593Smuzhiyun   "atmel,sama5d2-hlcdc"
8*4882a593Smuzhiyun   "atmel,sama5d3-hlcdc"
9*4882a593Smuzhiyun   "atmel,sama5d4-hlcdc"
10*4882a593Smuzhiyun   "microchip,sam9x60-hlcdc"
11*4882a593Smuzhiyun - reg: base address and size of the HLCDC device registers.
12*4882a593Smuzhiyun - clock-names: the name of the 3 clocks requested by the HLCDC device.
13*4882a593Smuzhiyun   Should contain "periph_clk", "sys_clk" and "slow_clk".
14*4882a593Smuzhiyun - clocks: should contain the 3 clocks requested by the HLCDC device.
15*4882a593Smuzhiyun - interrupts: should contain the description of the HLCDC interrupt line
16*4882a593Smuzhiyun
17*4882a593SmuzhiyunThe HLCDC IP exposes two subdevices:
18*4882a593Smuzhiyun - a PWM chip: see ../pwm/atmel-hlcdc-pwm.txt
19*4882a593Smuzhiyun - a Display Controller: see ../display/atmel/hlcdc-dc.txt
20*4882a593Smuzhiyun
21*4882a593SmuzhiyunExample:
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun	hlcdc: hlcdc@f0030000 {
24*4882a593Smuzhiyun		compatible = "atmel,sama5d3-hlcdc";
25*4882a593Smuzhiyun		reg = <0xf0030000 0x2000>;
26*4882a593Smuzhiyun		clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>;
27*4882a593Smuzhiyun		clock-names = "periph_clk","sys_clk", "slow_clk";
28*4882a593Smuzhiyun		interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun		hlcdc-display-controller {
31*4882a593Smuzhiyun			compatible = "atmel,hlcdc-display-controller";
32*4882a593Smuzhiyun			pinctrl-names = "default";
33*4882a593Smuzhiyun			pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
34*4882a593Smuzhiyun			#address-cells = <1>;
35*4882a593Smuzhiyun			#size-cells = <0>;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun			port@0 {
38*4882a593Smuzhiyun				#address-cells = <1>;
39*4882a593Smuzhiyun				#size-cells = <0>;
40*4882a593Smuzhiyun				reg = <0>;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun				hlcdc_panel_output: endpoint@0 {
43*4882a593Smuzhiyun					reg = <0>;
44*4882a593Smuzhiyun					remote-endpoint = <&panel_input>;
45*4882a593Smuzhiyun				};
46*4882a593Smuzhiyun			};
47*4882a593Smuzhiyun		};
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun		hlcdc_pwm: hlcdc-pwm {
50*4882a593Smuzhiyun			compatible = "atmel,hlcdc-pwm";
51*4882a593Smuzhiyun			pinctrl-names = "default";
52*4882a593Smuzhiyun			pinctrl-0 = <&pinctrl_lcd_pwm>;
53*4882a593Smuzhiyun			#pwm-cells = <3>;
54*4882a593Smuzhiyun		};
55*4882a593Smuzhiyun	};
56