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  interconnects:
44    maxItems: 1
45
46  interrupts:
47    maxItems: 1
48
49  pinctrl-0: true
50  pinctrl-1: true
51
52  pinctrl-names:
53    minItems: 1
54    items:
55      - const: default
56      - const: sleep
57
58  power-domains:
59    maxItems: 1
60
61  reg:
62    maxItems: 1
63
64  required-opps:
65    maxItems: 1
66
67required:
68  - compatible
69  - clock-names
70  - clocks
71  - interrupts
72  - reg
73
74unevaluatedProperties: false
75
76examples:
77  - |
78    #include <dt-bindings/clock/qcom,gcc-msm8998.h>
79    #include <dt-bindings/interconnect/qcom,msm8996.h>
80    #include <dt-bindings/interrupt-controller/arm-gic.h>
81    #include <dt-bindings/power/qcom-rpmpd.h>
82
83    i2c@c175000 {
84        compatible = "qcom,i2c-qup-v2.2.1";
85        reg = <0x0c175000 0x600>;
86        interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
87
88        clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>,
89                 <&gcc GCC_BLSP1_AHB_CLK>;
90        clock-names = "core", "iface";
91        dmas = <&blsp1_dma 6>, <&blsp1_dma 7>;
92        dma-names = "tx", "rx";
93        pinctrl-names = "default", "sleep";
94        pinctrl-0 = <&blsp1_i2c1_default>;
95        pinctrl-1 = <&blsp1_i2c1_sleep>;
96        power-domains = <&rpmpd MSM8909_VDDCX>;
97        required-opps = <&rpmpd_opp_svs_krait>;
98        interconnects = <&pnoc MASTER_BLSP_1 &bimc SLAVE_EBI_CH0>;
99        clock-frequency = <400000>;
100
101        #address-cells = <1>;
102        #size-cells = <0>;
103    };
104