162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/i2c/hisilicon,ascend910-i2c.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: HiSilicon common I2C controller 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Yicong Yang <yangyicong@hisilicon.com> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: 1362306a36Sopenharmony_ci The HiSilicon common I2C controller can be used for many different 1462306a36Sopenharmony_ci types of SoC such as Huawei Ascend AI series chips. 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ciallOf: 1762306a36Sopenharmony_ci - $ref: /schemas/i2c/i2c-controller.yaml# 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ciproperties: 2062306a36Sopenharmony_ci compatible: 2162306a36Sopenharmony_ci const: hisilicon,ascend910-i2c 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci reg: 2462306a36Sopenharmony_ci maxItems: 1 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci interrupts: 2762306a36Sopenharmony_ci maxItems: 1 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci clocks: 3062306a36Sopenharmony_ci maxItems: 1 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci clock-frequency: 3362306a36Sopenharmony_ci default: 400000 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci i2c-sda-falling-time-ns: 3662306a36Sopenharmony_ci default: 343 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci i2c-scl-falling-time-ns: 3962306a36Sopenharmony_ci default: 203 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci i2c-sda-hold-time-ns: 4262306a36Sopenharmony_ci default: 830 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci i2c-scl-rising-time-ns: 4562306a36Sopenharmony_ci default: 365 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci i2c-digital-filter-width-ns: 4862306a36Sopenharmony_ci default: 0 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_cirequired: 5162306a36Sopenharmony_ci - compatible 5262306a36Sopenharmony_ci - reg 5362306a36Sopenharmony_ci - interrupts 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ciunevaluatedProperties: false 5662306a36Sopenharmony_ci 5762306a36Sopenharmony_ciexamples: 5862306a36Sopenharmony_ci - | 5962306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_ci i2c@38b0000 { 6262306a36Sopenharmony_ci compatible = "hisilicon,ascend910-i2c"; 6362306a36Sopenharmony_ci reg = <0x38b0000 0x10000>; 6462306a36Sopenharmony_ci interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; 6562306a36Sopenharmony_ci i2c-sda-falling-time-ns = <56>; 6662306a36Sopenharmony_ci i2c-scl-falling-time-ns = <56>; 6762306a36Sopenharmony_ci i2c-sda-hold-time-ns = <56>; 6862306a36Sopenharmony_ci i2c-scl-rising-time-ns = <56>; 6962306a36Sopenharmony_ci i2c-digital-filter; 7062306a36Sopenharmony_ci i2c-digital-filter-width-ns = <0x0>; 7162306a36Sopenharmony_ci clocks = <&alg_clk>; 7262306a36Sopenharmony_ci clock-frequency = <400000>; 7362306a36Sopenharmony_ci }; 74