xref: /linux/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml (revision f777316e52e14059a6a1df45cbf39a93ac49a593) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/i2c/qcom,i2c-geni-qcom.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: Qualcomm Geni based QUP I2C Controller
8
9maintainers:
10  - Andy Gross <agross@kernel.org>
11  - Bjorn Andersson <bjorn.andersson@linaro.org>
12
13allOf:
14  - $ref: /schemas/i2c/i2c-controller.yaml#
15
16properties:
17  compatible:
18    const: qcom,geni-i2c
19
20  clocks:
21    maxItems: 1
22
23  clock-names:
24    const: se
25
26  clock-frequency:
27    default: 100000
28
29  dmas:
30    maxItems: 2
31
32  dma-names:
33    items:
34      - const: tx
35      - const: rx
36
37  interconnects:
38    maxItems: 3
39
40  interconnect-names:
41    items:
42      - const: qup-core
43      - const: qup-config
44      - const: qup-memory
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  - interrupts
70  - clocks
71  - clock-names
72  - reg
73
74unevaluatedProperties: false
75
76examples:
77  - |
78    #include <dt-bindings/interrupt-controller/arm-gic.h>
79    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
80    #include <dt-bindings/interconnect/qcom,sc7180.h>
81    #include <dt-bindings/power/qcom-rpmpd.h>
82
83    i2c@88000 {
84        compatible = "qcom,geni-i2c";
85        reg = <0x00880000 0x4000>;
86        clock-names = "se";
87        clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>;
88        pinctrl-names = "default";
89        pinctrl-0 = <&qup_i2c0_default>;
90        interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>;
91        #address-cells = <1>;
92        #size-cells = <0>;
93        interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>,
94                        <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>,
95                        <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
96        interconnect-names = "qup-core", "qup-config", "qup-memory";
97        power-domains = <&rpmhpd SC7180_CX>;
98        required-opps = <&rpmhpd_opp_low_svs>;
99    };
100...
101