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1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/qcom,tlmm-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm Technologies, Inc. Top Level Mode Multiplexer (TLMM) definitions
8
9 maintainers:
10   - Bjorn Andersson <bjorn.andersson@linaro.org>
11
12 description:
13   This defines the common properties used to describe all Qualcomm Top Level
14   Mode Multiplexer bindings and pinconf/pinmux states for these.
15
16 properties:
17   interrupts:
18     description:
19       Specifies the TLMM summary IRQ
20     maxItems: 1
21
22   interrupt-controller: true
23
24   '#interrupt-cells':
25     description:
26       Specifies the PIN numbers and Flags, as defined in defined in
27       include/dt-bindings/interrupt-controller/irq.h
28     const: 2
29
30   gpio-controller: true
31
32   '#gpio-cells':
33     description:
34       Specifying the pin number and flags, as defined in
35       include/dt-bindings/gpio/gpio.h
36     const: 2
37
38   gpio-ranges:
39     maxItems: 1
40
41   wakeup-parent:
42     description:
43       Specifying the interrupt-controller used to wake up the system when the
44       TLMM block has been powered down.
45     maxItems: 1
46
47   gpio-reserved-ranges:
48     description:
49       Pins can be reserved for trusted applications and thereby unaccessible
50       from the OS.  This property can be used to mark the pins which resources
51       should not be accessed by the OS. Please see the ../gpio/gpio.txt for more
52       information.
53
54 allOf:
55   - $ref: "pinctrl.yaml#"
56
57 required:
58   - interrupts
59   - interrupt-controller
60   - '#interrupt-cells'
61   - gpio-controller
62   - '#gpio-cells'
63   - gpio-ranges
64
65 additionalProperties: true
66
67 $defs:
68   qcom-tlmm-state:
69     allOf:
70       - $ref: pincfg-node.yaml#
71       - $ref: pinmux-node.yaml#
72
73     properties:
74       drive-strength:
75         enum: [2, 4, 6, 8, 10, 12, 14, 16]
76         default: 2
77         description:
78           Selects the drive strength for the specified pins, in mA.
79
80       bias-pull-down: true
81       bias-pull-up: true
82       bias-disable: true
83       input-enable: true
84       output-high: true
85       output-low: true
86
87     additionalProperties: true
88 ...