Lines Matching +full:in +full:- +full:gpios

2 # SPDX-License-Identifier: Apache-2.0
4 description: Generic LED matrix driven by nRF SoC GPIOs
6 compatible: "nordic,nrf-led-matrix"
8 include: display-controller.yaml
11   row-gpios:
12     type: phandle-array
15       Array of GPIOs to be used as rows of the matrix.
17   col-gpios:
18     type: phandle-array
21       Array of GPIOs to be used as columns of the matrix.
23   pixel-mapping:
24     type: uint8-array
28       control its particular pixels, line by line. Each byte in this
30       index in the high nibble and the column index in the low nibble.
36         pixel-mapping = [00 13 01 14 02
41       - pixel (0,0) is controlled by row 0 and column 0
42       - pixel (1,0) is controlled by row 1 and column 3
43       - pixel (0,1) is controlled by row 2 and column 3
44       - pixel (1,1) is controlled by row 2 and column 4
47   refresh-frequency:
51       Frequency of refreshing the matrix, in Hz.
63       GPIOs. If not provided, GPIOTE and PPI channels are allocated and
66   pixel-group-size:
70       This value specifies the maximum number of LEDs in one row that can
72       If set to 1, only a single LED is turned on in a particular time slot.
76       In case GPIOTE and PPI channels are used for generating the pixel pulse
80       defined by the number of CC channels in the used timer minus one.