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89 lines
1.8 KiB
89 lines
1.8 KiB
# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/i2c/qcom,i2c-qup.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Qualcomm Universal Peripheral (QUP) I2C controller |
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maintainers: |
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- Andy Gross <[email protected]> |
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- Bjorn Andersson <[email protected]> |
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- Krzysztof Kozlowski <[email protected]> |
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allOf: |
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- $ref: /schemas/i2c/i2c-controller.yaml# |
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properties: |
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compatible: |
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enum: |
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- qcom,i2c-qup-v1.1.1 # for 8660, 8960 and 8064 |
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- qcom,i2c-qup-v2.1.1 # for 8974 v1 |
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- qcom,i2c-qup-v2.2.1 # for 8974 v2 and later |
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clocks: |
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maxItems: 2 |
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clock-names: |
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items: |
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- const: core |
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- const: iface |
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clock-frequency: |
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default: 100000 |
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dmas: |
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maxItems: 2 |
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dma-names: |
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items: |
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- const: tx |
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- const: rx |
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interrupts: |
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maxItems: 1 |
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pinctrl-0: true |
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pinctrl-1: true |
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pinctrl-names: |
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minItems: 1 |
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items: |
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- const: default |
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- const: sleep |
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reg: |
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maxItems: 1 |
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required: |
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- compatible |
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- clock-names |
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- clocks |
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- interrupts |
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- reg |
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unevaluatedProperties: false |
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examples: |
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- | |
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#include <dt-bindings/clock/qcom,gcc-msm8998.h> |
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#include <dt-bindings/interrupt-controller/arm-gic.h> |
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i2c@c175000 { |
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compatible = "qcom,i2c-qup-v2.2.1"; |
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reg = <0x0c175000 0x600>; |
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interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>; |
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clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>, |
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<&gcc GCC_BLSP1_AHB_CLK>; |
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clock-names = "core", "iface"; |
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dmas = <&blsp1_dma 6>, <&blsp1_dma 7>; |
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dma-names = "tx", "rx"; |
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pinctrl-names = "default", "sleep"; |
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pinctrl-0 = <&blsp1_i2c1_default>; |
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pinctrl-1 = <&blsp1_i2c1_sleep>; |
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clock-frequency = <400000>; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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};
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