1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/nvidia,tegra234-pinmux-common.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NVIDIA Tegra234 Pinmux Controller
8
9maintainers:
10  - Thierry Reding <thierry.reding@gmail.com>
11  - Jon Hunter <jonathanh@nvidia.com>
12
13properties:
14  reg:
15    items:
16      - description: pinmux registers
17
18patternProperties:
19  "^pinmux(-[a-z0-9-]+)?$":
20    type: object
21
22    # pin groups
23    additionalProperties:
24      $ref: nvidia,tegra-pinmux-common.yaml
25      # We would typically use unevaluatedProperties here but that has the
26      # downside that all the properties in the common bindings become valid
27      # for all chip generations. In this case, however, we want the per-SoC
28      # bindings to be able to override which of the common properties are
29      # allowed, since not all pinmux generations support the same sets of
30      # properties. This way, the common bindings define the format of the
31      # properties but the per-SoC bindings define which of them apply to a
32      # given chip.
33      additionalProperties: false
34      properties:
35        nvidia,function:
36          enum: [ gp, uartc, i2c8, spi2, i2c2, can1, can0, rsvd0, eth0, eth2,
37                  eth1, dp, eth3, i2c4, i2c7, i2c9, eqos, pe2, pe1, pe0, pe3,
38                  pe4, pe5, pe6, pe7, pe8, pe9, pe10, qspi0, qspi1, qpsi,
39                  sdmmc1, sce, soc, gpio, hdmi, ufs0, spi3, spi1, uartb, uarte,
40                  usb, extperiph2, extperiph1, i2c3, vi0, i2c5, uarta, uartd,
41                  i2c1, i2s4, i2s6, aud, spi5, touch, uartj, rsvd1, wdt, tsc,
42                  dmic3, led, vi0_alt, i2s5, nv, extperiph3, extperiph4, spi4,
43                  ccla, i2s1, i2s2, i2s3, i2s8, rsvd2, dmic5, dca, displayb,
44                  displaya, vi1, dcb, dmic1, dmic4, i2s7, dmic2, dspk0, rsvd3,
45                  tsc_alt, istctrl, vi1_alt, dspk1, igpu ]
46
47        # out of the common properties, only these are allowed for Tegra234
48        nvidia,pins: true
49        nvidia,pull: true
50        nvidia,tristate: true
51        nvidia,schmitt: true
52        nvidia,enable-input: true
53        nvidia,open-drain: true
54        nvidia,lock: true
55        nvidia,drive-type: true
56        nvidia,io-hv: true
57
58      required:
59        - nvidia,pins
60
61required:
62  - compatible
63  - reg
64
65additionalProperties: true
66...
67