Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Qualcomm Universal Peripheral (QUP) I2C controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Andy Gross <agross@kernel.org> |
| 11 | - Bjorn Andersson <bjorn.andersson@linaro.org> |
| 12 | - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> |
| 13 | |
| 14 | allOf: |
| 15 | - $ref: /schemas/i2c/i2c-controller.yaml# |
| 16 | |
| 17 | properties: |
| 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 | interrupts: |
| 44 | maxItems: 1 |
| 45 | |
| 46 | pinctrl-0: true |
| 47 | pinctrl-1: true |
| 48 | |
| 49 | pinctrl-names: |
| 50 | minItems: 1 |
| 51 | items: |
| 52 | - const: default |
| 53 | - const: sleep |
| 54 | |
| 55 | reg: |
| 56 | maxItems: 1 |
| 57 | |
| 58 | required: |
| 59 | - compatible |
| 60 | - clock-names |
| 61 | - clocks |
| 62 | - interrupts |
| 63 | - reg |
| 64 | |
| 65 | unevaluatedProperties: false |
| 66 | |
| 67 | examples: |
| 68 | - | |
| 69 | #include <dt-bindings/clock/qcom,gcc-msm8998.h> |
| 70 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 71 | |
| 72 | i2c@c175000 { |
| 73 | compatible = "qcom,i2c-qup-v2.2.1"; |
| 74 | reg = <0x0c175000 0x600>; |
| 75 | interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>; |
| 76 | |
| 77 | clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>, |
| 78 | <&gcc GCC_BLSP1_AHB_CLK>; |
| 79 | clock-names = "core", "iface"; |
| 80 | dmas = <&blsp1_dma 6>, <&blsp1_dma 7>; |
| 81 | dma-names = "tx", "rx"; |
| 82 | pinctrl-names = "default", "sleep"; |
| 83 | pinctrl-0 = <&blsp1_i2c1_default>; |
| 84 | pinctrl-1 = <&blsp1_i2c1_sleep>; |
| 85 | clock-frequency = <400000>; |
| 86 | |
| 87 | #address-cells = <1>; |
| 88 | #size-cells = <0>; |
| 89 | }; |