0001 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/i2c/qcom,i2c-qup.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Qualcomm Universal Peripheral (QUP) I2C controller
0008
0009 maintainers:
0010 - Andy Gross <agross@kernel.org>
0011 - Bjorn Andersson <bjorn.andersson@linaro.org>
0012 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
0013
0014 allOf:
0015 - $ref: /schemas/i2c/i2c-controller.yaml#
0016
0017 properties:
0018 compatible:
0019 enum:
0020 - qcom,i2c-qup-v1.1.1 # for 8660, 8960 and 8064
0021 - qcom,i2c-qup-v2.1.1 # for 8974 v1
0022 - qcom,i2c-qup-v2.2.1 # for 8974 v2 and later
0023
0024 clocks:
0025 maxItems: 2
0026
0027 clock-names:
0028 items:
0029 - const: core
0030 - const: iface
0031
0032 clock-frequency:
0033 default: 100000
0034
0035 dmas:
0036 maxItems: 2
0037
0038 dma-names:
0039 items:
0040 - const: tx
0041 - const: rx
0042
0043 interrupts:
0044 maxItems: 1
0045
0046 pinctrl-0: true
0047 pinctrl-1: true
0048
0049 pinctrl-names:
0050 minItems: 1
0051 items:
0052 - const: default
0053 - const: sleep
0054
0055 reg:
0056 maxItems: 1
0057
0058 required:
0059 - compatible
0060 - clock-names
0061 - clocks
0062 - interrupts
0063 - reg
0064
0065 unevaluatedProperties: false
0066
0067 examples:
0068 - |
0069 #include <dt-bindings/clock/qcom,gcc-msm8998.h>
0070 #include <dt-bindings/interrupt-controller/arm-gic.h>
0071
0072 i2c@c175000 {
0073 compatible = "qcom,i2c-qup-v2.2.1";
0074 reg = <0x0c175000 0x600>;
0075 interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
0076
0077 clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>,
0078 <&gcc GCC_BLSP1_AHB_CLK>;
0079 clock-names = "core", "iface";
0080 dmas = <&blsp1_dma 6>, <&blsp1_dma 7>;
0081 dma-names = "tx", "rx";
0082 pinctrl-names = "default", "sleep";
0083 pinctrl-0 = <&blsp1_i2c1_default>;
0084 pinctrl-1 = <&blsp1_i2c1_sleep>;
0085 clock-frequency = <400000>;
0086
0087 #address-cells = <1>;
0088 #size-cells = <0>;
0089 };
