39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
|
sun4i resistive touchscreen controller
|
||
|
|
--------------------------------------
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible: "allwinner,sun4i-a10-ts", "allwinner,sun5i-a13-ts" or
|
||
|
|
"allwinner,sun6i-a31-ts"
|
||
|
|
- reg: mmio address range of the chip
|
||
|
|
- interrupts: interrupt to which the chip is connected
|
||
|
|
- #thermal-sensor-cells: shall be 0
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- allwinner,ts-attached : boolean indicating that an actual touchscreen
|
||
|
|
is attached to the controller
|
||
|
|
- allwinner,tp-sensitive-adjust : integer (4 bits)
|
||
|
|
adjust sensitivity of pen down detection
|
||
|
|
between 0 (least sensitive) and 15
|
||
|
|
(defaults to 15)
|
||
|
|
- allwinner,filter-type : integer (2 bits)
|
||
|
|
select median and averaging filter
|
||
|
|
samples used for median / averaging filter
|
||
|
|
0: 4/2
|
||
|
|
1: 5/3
|
||
|
|
2: 8/4
|
||
|
|
3: 16/8
|
||
|
|
(defaults to 1)
|
||
|
|
|
||
|
|
Example:
|
||
|
|
|
||
|
|
rtp: rtp@01c25000 {
|
||
|
|
compatible = "allwinner,sun4i-a10-ts";
|
||
|
|
reg = <0x01c25000 0x100>;
|
||
|
|
interrupts = <29>;
|
||
|
|
allwinner,ts-attached;
|
||
|
|
#thermal-sensor-cells = <0>;
|
||
|
|
/* sensitive/noisy touch panel */
|
||
|
|
allwinner,tp-sensitive-adjust = <0>;
|
||
|
|
allwinner,filter-type = <3>;
|
||
|
|
};
|