xref: /linux/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml (revision e7d759f31ca295d589f7420719c311870bb3166f) 
1# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/qcom,i2c-cci.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Camera Control Interface (CCI) I2C controller
8
9maintainers:
10  - Loic Poulain <loic.poulain@linaro.org>
11  - Robert Foss <robert.foss@linaro.org>
12
13properties:
14  compatible:
15    oneOf:
16      - enum:
17          - qcom,msm8226-cci
18          - qcom,msm8974-cci
19          - qcom,msm8996-cci
20
21      - items:
22          - enum:
23              - qcom,msm8916-cci
24          - const: qcom,msm8226-cci # CCI v1
25
26      - items:
27          - enum:
28              - qcom,sc7280-cci
29              - qcom,sdm845-cci
30              - qcom,sm6350-cci
31              - qcom,sm8250-cci
32              - qcom,sm8450-cci
33          - const: qcom,msm8996-cci # CCI v2
34
35  "#address-cells":
36    const: 1
37
38  "#size-cells":
39    const: 0
40
41  clocks:
42    minItems: 3
43    maxItems: 6
44
45  clock-names:
46    minItems: 3
47    maxItems: 6
48
49  interrupts:
50    maxItems: 1
51
52  power-domains:
53    maxItems: 1
54
55  reg:
56    maxItems: 1
57
58patternProperties:
59  "^i2c-bus@[01]$":
60    $ref: /schemas/i2c/i2c-controller.yaml#
61    unevaluatedProperties: false
62
63    properties:
64      reg:
65        maxItems: 1
66
67      clock-frequency:
68        default: 100000
69
70required:
71  - compatible
72  - clock-names
73  - clocks
74  - interrupts
75  - reg
76
77allOf:
78  - if:
79      properties:
80        compatible:
81          contains:
82            enum:
83              - qcom,msm8996-cci
84    then:
85      required:
86        - power-domains
87
88  - if:
89      properties:
90        compatible:
91          contains:
92            enum:
93              - qcom,msm8226-cci
94              - qcom,msm8916-cci
95    then:
96      properties:
97        i2c-bus@1: false
98
99  - if:
100      properties:
101        compatible:
102          oneOf:
103            - contains:
104                enum:
105                  - qcom,msm8974-cci
106
107            - const: qcom,msm8226-cci
108    then:
109      properties:
110        clocks:
111          maxItems: 3
112        clock-names:
113          items:
114            - const: camss_top_ahb
115            - const: cci_ahb
116            - const: cci
117
118  - if:
119      properties:
120        compatible:
121          oneOf:
122            - contains:
123                enum:
124                  - qcom,msm8916-cci
125
126            - const: qcom,msm8996-cci
127    then:
128      properties:
129        clocks:
130          maxItems: 4
131        clock-names:
132          items:
133            - const: camss_top_ahb
134            - const: cci_ahb
135            - const: cci
136            - const: camss_ahb
137
138  - if:
139      properties:
140        compatible:
141          contains:
142            enum:
143              - qcom,sdm845-cci
144              - qcom,sm6350-cci
145    then:
146      properties:
147        clocks:
148          minItems: 6
149        clock-names:
150          items:
151            - const: camnoc_axi
152            - const: soc_ahb
153            - const: slow_ahb_src
154            - const: cpas_ahb
155            - const: cci
156            - const: cci_src
157
158  - if:
159      properties:
160        compatible:
161          contains:
162            enum:
163              - qcom,sc7280-cci
164              - qcom,sm8250-cci
165              - qcom,sm8450-cci
166    then:
167      properties:
168        clocks:
169          minItems: 5
170          maxItems: 5
171        clock-names:
172          items:
173            - const: camnoc_axi
174            - const: slow_ahb_src
175            - const: cpas_ahb
176            - const: cci
177            - const: cci_src
178
179additionalProperties: false
180
181examples:
182  - |
183    #include <dt-bindings/clock/qcom,camcc-sdm845.h>
184    #include <dt-bindings/gpio/gpio.h>
185    #include <dt-bindings/interrupt-controller/arm-gic.h>
186
187    cci@ac4a000 {
188        reg = <0x0ac4a000 0x4000>;
189        compatible = "qcom,sdm845-cci", "qcom,msm8996-cci";
190        #address-cells = <1>;
191        #size-cells = <0>;
192
193        interrupts = <GIC_SPI 460 IRQ_TYPE_EDGE_RISING>;
194        power-domains = <&clock_camcc TITAN_TOP_GDSC>;
195
196        clocks = <&clock_camcc CAM_CC_CAMNOC_AXI_CLK>,
197                 <&clock_camcc CAM_CC_SOC_AHB_CLK>,
198                 <&clock_camcc CAM_CC_SLOW_AHB_CLK_SRC>,
199                 <&clock_camcc CAM_CC_CPAS_AHB_CLK>,
200                 <&clock_camcc CAM_CC_CCI_CLK>,
201                 <&clock_camcc CAM_CC_CCI_CLK_SRC>;
202        clock-names = "camnoc_axi",
203                      "soc_ahb",
204                      "slow_ahb_src",
205                      "cpas_ahb",
206                      "cci",
207                      "cci_src";
208
209        assigned-clocks = <&clock_camcc CAM_CC_CAMNOC_AXI_CLK>,
210                          <&clock_camcc CAM_CC_CCI_CLK>;
211        assigned-clock-rates = <80000000>,
212                               <37500000>;
213
214        pinctrl-names = "default", "sleep";
215        pinctrl-0 = <&cci0_default &cci1_default>;
216        pinctrl-1 = <&cci0_sleep &cci1_sleep>;
217
218        i2c-bus@0 {
219            reg = <0>;
220            clock-frequency = <1000000>;
221            #address-cells = <1>;
222            #size-cells = <0>;
223
224            camera@10 {
225                compatible = "ovti,ov8856";
226                reg = <0x10>;
227
228                reset-gpios = <&tlmm 9 GPIO_ACTIVE_LOW>;
229                pinctrl-names = "default";
230                pinctrl-0 = <&cam0_default>;
231
232                clocks = <&clock_camcc CAM_CC_MCLK0_CLK>;
233                clock-names = "xvclk";
234                clock-frequency = <19200000>;
235
236                dovdd-supply = <&vreg_lvs1a_1p8>;
237                avdd-supply = <&cam0_avdd_2v8>;
238                dvdd-supply = <&cam0_dvdd_1v2>;
239
240                port {
241                    ov8856_ep: endpoint {
242                        link-frequencies = /bits/ 64 <360000000 180000000>;
243                        data-lanes = <1 2 3 4>;
244                        remote-endpoint = <&csiphy0_ep>;
245                    };
246                };
247            };
248        };
249
250        cci_i2c1: i2c-bus@1 {
251            reg = <1>;
252            clock-frequency = <1000000>;
253            #address-cells = <1>;
254            #size-cells = <0>;
255
256            camera@60 {
257                compatible = "ovti,ov7251";
258                reg = <0x60>;
259
260                enable-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
261                pinctrl-names = "default";
262                pinctrl-0 = <&cam3_default>;
263
264                clocks = <&clock_camcc CAM_CC_MCLK3_CLK>;
265                clock-names = "xclk";
266                clock-frequency = <24000000>;
267
268                vdddo-supply = <&vreg_lvs1a_1p8>;
269                vdda-supply = <&cam3_avdd_2v8>;
270
271                port {
272                    ov7251_ep: endpoint {
273                        data-lanes = <0 1>;
274                        link-frequencies = /bits/ 64 <240000000 319200000>;
275                        remote-endpoint = <&csiphy3_ep>;
276                    };
277                };
278            };
279        };
280    };
281