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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/i2c/qcom,i2c-geni-qcom.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Qualcomm Geni based QUP I2C Controller
maintainers:
- Andy Gross <agross@kernel.org>
- Bjorn Andersson <bjorn.andersson@linaro.org>
properties:
compatible:
enum:
- qcom,geni-i2c
- qcom,geni-i2c-master-hub
clocks:
minItems: 1
maxItems: 2
clock-names:
minItems: 1
maxItems: 2
clock-frequency:
default: 100000
dmas:
maxItems: 2
dma-names:
items:
- const: tx
- const: rx
interconnects:
minItems: 2
maxItems: 3
interconnect-names:
minItems: 2
maxItems: 3
interrupts:
maxItems: 1
pinctrl-0: true
pinctrl-1: true
pinctrl-names:
minItems: 1
items:
- const: default
- const: sleep
power-domains:
maxItems: 1
reg:
maxItems: 1
required-opps:
maxItems: 1
required:
- compatible
- interrupts
- clocks
- clock-names
- reg
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
- if:
properties:
compatible:
contains:
const: qcom,geni-i2c-master-hub
then:
properties:
clocks:
minItems: 2
clock-names:
items:
- const: se
- const: core
dmas: false
dma-names: false
interconnects:
maxItems: 2
interconnect-names:
items:
- const: qup-core
- const: qup-config
else:
properties:
clocks:
maxItems: 1
clock-names:
const: se
interconnects:
minItems: 3
interconnect-names:
items:
- const: qup-core
- const: qup-config
- const: qup-memory
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,gcc-sc7180.h>
#include <dt-bindings/interconnect/qcom,sc7180.h>
#include <dt-bindings/power/qcom-rpmpd.h>
i2c@88000 {
compatible = "qcom,geni-i2c";
reg = <0x00880000 0x4000>;
clock-names = "se";
clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>;
pinctrl-names = "default";
pinctrl-0 = <&qup_i2c0_default>;
interrupts = <GIC_SPI 601 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>,
<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>,
<&aggre1_noc MASTER_QUP_0 0 &mc_virt SLAVE_EBI1 0>;
interconnect-names = "qup-core", "qup-config", "qup-memory";
power-domains = <&rpmhpd SC7180_CX>;
required-opps = <&rpmhpd_opp_low_svs>;
};
...
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