xref: /freebsd/sys/contrib/device-tree/Bindings/i2c/qcom,i2c-qup.yaml (revision 02e9120893770924227138ba49df1edb3896112a) 
1# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/qcom,i2c-qup.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Universal Peripheral (QUP) I2C controller
8
9maintainers:
10  - Andy Gross <agross@kernel.org>
11  - Bjorn Andersson <bjorn.andersson@linaro.org>
12  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
13
14allOf:
15  - $ref: /schemas/i2c/i2c-controller.yaml#
16
17properties:
18  compatible:
19    enum:
20      - qcom,i2c-qup-v1.1.1     # for 8660, 8960 and 8064
21      - qcom,i2c-qup-v2.1.1     # for 8974 v1
22      - qcom,i2c-qup-v2.2.1     # for 8974 v2 and later
23
24  clocks:
25    maxItems: 2
26
27  clock-names:
28    items:
29      - const: core
30      - const: iface
31
32  clock-frequency:
33    default: 100000
34
35  dmas:
36    maxItems: 2
37
38  dma-names:
39    items:
40      - const: tx
41      - const: rx
42
43  interrupts:
44    maxItems: 1
45
46  pinctrl-0: true
47  pinctrl-1: true
48
49  pinctrl-names:
50    minItems: 1
51    items:
52      - const: default
53      - const: sleep
54
55  reg:
56    maxItems: 1
57
58required:
59  - compatible
60  - clock-names
61  - clocks
62  - interrupts
63  - reg
64
65unevaluatedProperties: false
66
67examples:
68  - |
69    #include <dt-bindings/clock/qcom,gcc-msm8998.h>
70    #include <dt-bindings/interrupt-controller/arm-gic.h>
71
72    i2c@c175000 {
73        compatible = "qcom,i2c-qup-v2.2.1";
74        reg = <0x0c175000 0x600>;
75        interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
76
77        clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>,
78                 <&gcc GCC_BLSP1_AHB_CLK>;
79        clock-names = "core", "iface";
80        dmas = <&blsp1_dma 6>, <&blsp1_dma 7>;
81        dma-names = "tx", "rx";
82        pinctrl-names = "default", "sleep";
83        pinctrl-0 = <&blsp1_i2c1_default>;
84        pinctrl-1 = <&blsp1_i2c1_sleep>;
85        clock-frequency = <400000>;
86
87        #address-cells = <1>;
88        #size-cells = <0>;
89    };
90