summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/pinctrl/qcom,msm8226-pinctrl.yaml
blob: 040d2ada36690ac369f27049f04ae988f56426b8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,msm8226-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. MSM8226 TLMM block

maintainers:
  - Bjorn Andersson <bjorn.andersson@linaro.org>

description: |
  This binding describes the Top Level Mode Multiplexer block found in the
  MSM8226 platform.

properties:
  compatible:
    const: qcom,msm8226-pinctrl

  reg:
    description: Specifies the base address and size of the TLMM register space
    maxItems: 1

  interrupts:
    description: Specifies the TLMM summary IRQ
    maxItems: 1

  interrupt-controller: true

  '#interrupt-cells':
    description: Specifies the PIN numbers and Flags, as defined in
      include/dt-bindings/interrupt-controller/irq.h
    const: 2

  gpio-controller: true

  '#gpio-cells':
    description: Specifying the pin number and flags, as defined in
      include/dt-bindings/gpio/gpio.h
    const: 2

  gpio-ranges:
    maxItems: 1

  gpio-reserved-ranges:
    maxItems: 1

#PIN CONFIGURATION NODES
patternProperties:
  '-pins$':
    type: object
    description:
      Pinctrl node's client devices use subnodes for desired pin configuration.
      Client device subnodes use below standard properties.
    $ref: "/schemas/pinctrl/pincfg-node.yaml"

    properties:
      pins:
        description:
          List of gpio pins affected by the properties specified in this
          subnode.
        items:
          oneOf:
            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-1][0-6])$"
            - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd, sdc2_data ]
        minItems: 1
        maxItems: 36

      function:
        description:
          Specify the alternative function to be configured for the specified
          pins. Functions are only valid for gpio pins.
        enum: [ gpio, cci_i2c0, blsp_uim1, blsp_uim2, blsp_uim3, blsp_uim5,
                blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c5, blsp_spi1,
                blsp_spi2, blsp_spi3, blsp_spi5, blsp_uart1, blsp_uart2,
                blsp_uart3, blsp_uart5, cam_mclk0, cam_mclk1, wlan ]

      drive-strength:
        enum: [2, 4, 6, 8, 10, 12, 14, 16]
        default: 2
        description:
          Selects the drive strength for the specified pins, in mA.

      bias-pull-down: true

      bias-pull-up: true

      bias-disable: true

      output-high: true

      output-low: true

    required:
      - pins
      - function

    additionalProperties: false

required:
  - compatible
  - reg
  - interrupts
  - interrupt-controller
  - '#interrupt-cells'
  - gpio-controller
  - '#gpio-cells'
  - gpio-ranges

additionalProperties: false

examples:
  - |
        #include <dt-bindings/interrupt-controller/arm-gic.h>
        msmgpio: pinctrl@fd510000 {
                compatible = "qcom,msm8226-pinctrl";
                reg = <0xfd510000 0x4000>;

                gpio-controller;
                #gpio-cells = <2>;
                gpio-ranges = <&msmgpio 0 0 117>;
                interrupt-controller;
                #interrupt-cells = <2>;
                interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;

                serial-pins {
                        pins = "gpio8", "gpio9";
                        function = "blsp_uart3";
                        drive-strength = <8>;
                        bias-disable;
                };
        };