0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/i2c/qcom,i2c-geni-qcom.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: Qualcomm Geni based QUP I2C Controller
0008
0009 maintainers:
0010 - Andy Gross <agross@kernel.org>
0011 - Bjorn Andersson <bjorn.andersson@linaro.org>
0012
0013 allOf:
0014 - $ref: /schemas/i2c/i2c-controller.yaml#
0015
0016 properties:
0017 compatible:
0018 const: qcom,geni-i2c
0019
0020 clocks:
0021 maxItems: 1
0022
0023 clock-names:
0024 const: se
0025
0026 clock-frequency:
0027 default: 100000
0028
0029 dmas:
0030 maxItems: 2
0031
0032 dma-names:
0033 items:
0034 - const: tx
0035 - const: rx
0036
0037 interconnects:
0038 maxItems: 3
0039
0040 interconnect-names:
0041 items:
0042 - const: qup-core
0043 - const: qup-config
0044 - const: qup-memory
0045
0046 interrupts:
0047 maxItems: 1
0048
0049 pinctrl-0: true
0050 pinctrl-1: true
0051
0052 pinctrl-names:
0053 minItems: 1
0054 items:
0055 - const: default
0056 - const: sleep
0057
0058 power-domains:
0059 maxItems: 1
0060
0061 reg:
0062 maxItems: 1
0063
0064 required-opps:
0065 maxItems: 1
0066
0067 required:
0068 - compatible
0069 - interrupts
0070 - clocks
0071 - clock-names
0072 - reg
0073
0074 unevaluatedProperties: false
0075
0076 examples:
0077 - |
0078 #include <dt-bindings/interrupt-controller/arm-gic.h>
0079 #include <dt-bindings/clock/qcom,gcc-sc7180.h>
0080 #include <dt-bindings/interconnect/qcom,sc7180.h>
0081 #include <dt-bindings/power/qcom-rpmpd.h>
0082
0083 i2c@88000 {
0084 compatible = "qcom,geni-i2c";
0085 reg = <0x00880000 0x4000>;
0086 clock-names = "se";
0087 clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>;
0088 pinctrl-names = "default";
0089 pinctrl-0 = <&qup_i2c0_default>;
0090 interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>;
0091 #address-cells = <1>;
0092 #size-cells = <0>;
0093 interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>,
0094 <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>,
0095 <&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
0096 interconnect-names = "qup-core", "qup-config", "qup-memory";
0097 power-domains = <&rpmhpd SC7180_CX>;
0098 required-opps = <&rpmhpd_opp_low_svs>;
0099 };
0100 ...
