bindings/pinctrl/mediatek%2Cmt7981-pinctrl.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/mediatek,mt7981-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Daniel Golle <daniel@makrotopia.org>
18       - mediatek,mt7981-pinctrl
24   reg-names:
26       - const: gpio
27       - const: iocfg_rt
28       - const: iocfg_rm
29       - const: iocfg_rb
30       - const: iocfg_lb
31       - const: iocfg_bl
32       - const: iocfg_tm
33       - const: iocfg_tl
34       - const: eint
36   gpio-controller: true
38   "#gpio-cells":
41       Number of cells in GPIO specifier. Since the generic GPIO binding is used,
42       the amount of cells must be specified as 2. See the below mentioned gpio
45   gpio-ranges:
48     description: GPIO valid number range.
50   interrupt-controller: true
55   "#interrupt-cells":
59   - $ref: pinctrl.yaml#
62   - compatible
63   - reg
64   - reg-names
65   - gpio-controller
66   - "#gpio-cells"
69   '-pins$':
80           The following table shows the effective values of "group", "function"
84           ---------------------------------------------------------------------
156         $ref: /schemas/pinctrl/pinmux-node.yaml
160               A string containing the name of the function to mux to the group.
165               An array of strings. Each string contains the name of a group.
168           - function
169           - groups
172           - if:
180           - if:
188           - if:
196           - if:
204           - if:
212           - if:
220           - if:
228           - if:
236           - if:
245           - if:
254           - if:
263           - if:
273           - if:
284           - if:
295           - if:
303           - if:
313           - if:
328         $ref: /schemas/pinctrl/pincfg-node.yaml
349           bias-disable: true
351           bias-pull-up:
353               - type: boolean
355               - enum: [100, 101, 102, 103]
358                   dt-bindings/pinctrl/mt65xx.h.
360           bias-pull-down:
362               - type: boolean
364               - enum: [100, 101, 102, 103]
367                   dt-bindings/pinctrl/mt65xx.h.
369           input-enable: true
371           input-disable: true
373           output-enable: true
375           output-low: true
377           output-high: true
379           input-schmitt-enable: true
381           input-schmitt-disable: true
383           drive-strength:
386           mediatek,pull-up-adv:
388               Valid arguments for 'mediatek,pull-up-adv' are '0', '1', '2', '3'
398           mediatek,pull-down-adv:
400               Valid arguments for 'mediatek,pull-up-adv' are '0', '1', '2', '3'
411           - pins
416   - |
417     #include <dt-bindings/interrupt-controller/irq.h>
418     #include <dt-bindings/interrupt-controller/arm-gic.h>
419     #include <dt-bindings/pinctrl/mt65xx.h>
422       #address-cells = <2>;
423       #size-cells = <2>;
425         compatible = "mediatek,mt7981-pinctrl";
435         reg-names = "gpio", "iocfg_rt", "iocfg_rm",
438         gpio-controller;
439         #gpio-cells = <2>;
440         gpio-ranges = <&pio 0 0 56>;
441         interrupt-controller;
443         interrupt-parent = <&gic>;
444         #interrupt-cells = <2>;
446         mdio_pins: mdio-pins {
453         spi0_flash_pins: spi0-pins {
459           conf-pu {
461             drive-strength = <MTK_DRIVE_8mA>;
462             bias-pull-up = <MTK_PUPD_SET_R1R0_11>;
465           conf-pd {
467             drive-strength = <MTK_DRIVE_8mA>;
468             bias-pull-down = <MTK_PUPD_SET_R1R0_11>;
472         pcie_pins: pcie-pins {