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,msm8226-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm Technologies, Inc. MSM8226 TLMM block
8
9 maintainers:
10 - Bjorn Andersson <bjorn.andersson@linaro.org>
11
12 description:
13 Top Level Mode Multiplexer pin controller in Qualcomm MSM8226 SoC.
14
15 properties:
16 compatible:
17 const: qcom,msm8226-pinctrl
18
19 reg:
20 description: Specifies the base address and size of the TLMM register space
21 maxItems: 1
22
23 interrupts:
24 maxItems: 1
25
26 gpio-reserved-ranges:
27 maxItems: 1
28
29 patternProperties:
30 "-state$":
31 oneOf:
32 - $ref: "#/$defs/qcom-msm8226-tlmm-state"
33 - patternProperties:
34 "-pins$":
35 $ref: "#/$defs/qcom-msm8226-tlmm-state"
36 additionalProperties: false
37
38 $defs:
39 qcom-msm8226-tlmm-state:
40 type: object
41 description:
42 Pinctrl node's client devices use subnodes for desired pin configuration.
43 Client device subnodes use below standard properties.
44 $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
45 unevaluatedProperties: false
46
47 properties:
48 pins:
49 description:
50 List of gpio pins affected by the properties specified in this
51 subnode.
52 items:
53 oneOf:
54 - pattern: "^gpio([0-9]|[1-9][0-9]|10[0-9]|11[0-6])$"
55 - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd, sdc2_data ]
56 minItems: 1
57 maxItems: 36
58
59 function:
60 description:
61 Specify the alternative function to be configured for the specified
62 pins. Functions are only valid for gpio pins.
63 enum: [ gpio, cci_i2c0, blsp_uim1, blsp_uim2, blsp_uim3, blsp_uim5,
64 blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5, blsp_i2c6,
65 blsp_spi1, blsp_spi2, blsp_spi3, blsp_spi5, blsp_uart1, blsp_uart2,
66 blsp_uart3, blsp_uart4, blsp_uart5, cam_mclk0, cam_mclk1,
67 gp0_clk, gp1_clk, sdc3, wlan ]
68
69 required:
70 - pins
71
72 allOf:
73 - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
74
75 required:
76 - compatible
77 - reg
78
79 unevaluatedProperties: false
80
81 examples:
82 - |
83 #include <dt-bindings/interrupt-controller/arm-gic.h>
84 msmgpio: pinctrl@fd510000 {
85 compatible = "qcom,msm8226-pinctrl";
86 reg = <0xfd510000 0x4000>;
87
88 gpio-controller;
89 #gpio-cells = <2>;
90 gpio-ranges = <&msmgpio 0 0 117>;
91 interrupt-controller;
92 #interrupt-cells = <2>;
93 interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
94
95 serial-state {
96 pins = "gpio8", "gpio9";
97 function = "blsp_uart3";
98 drive-strength = <8>;
99 bias-disable;
100 };
101 };
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