181acb401SChris Packham# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 281acb401SChris Packham%YAML 1.2 381acb401SChris Packham--- 481acb401SChris Packham$id: http://devicetree.org/schemas/i2c/i2c-mpc.yaml# 581acb401SChris Packham$schema: http://devicetree.org/meta-schemas/core.yaml# 681acb401SChris Packham 781acb401SChris Packhamtitle: I2C-Bus adapter for MPC824x/83xx/85xx/86xx/512x/52xx SoCs 881acb401SChris Packham 981acb401SChris Packhammaintainers: 1081acb401SChris Packham - Chris Packham <chris.packham@alliedtelesis.co.nz> 1181acb401SChris Packham 1281acb401SChris PackhamallOf: 1381acb401SChris Packham - $ref: /schemas/i2c/i2c-controller.yaml# 1481acb401SChris Packham 1581acb401SChris Packhamproperties: 1681acb401SChris Packham compatible: 1781acb401SChris Packham oneOf: 1881acb401SChris Packham - items: 1981acb401SChris Packham - enum: 2081acb401SChris Packham - mpc5200-i2c 2181acb401SChris Packham - fsl,mpc5200-i2c 2281acb401SChris Packham - fsl,mpc5121-i2c 2381acb401SChris Packham - fsl,mpc8313-i2c 2481acb401SChris Packham - fsl,mpc8543-i2c 2581acb401SChris Packham - fsl,mpc8544-i2c 2681acb401SChris Packham - const: fsl-i2c 2781acb401SChris Packham - items: 2881acb401SChris Packham - const: fsl,mpc5200b-i2c 2981acb401SChris Packham - const: fsl,mpc5200-i2c 3081acb401SChris Packham - const: fsl-i2c 3181acb401SChris Packham 3281acb401SChris Packham reg: 3381acb401SChris Packham maxItems: 1 3481acb401SChris Packham 3581acb401SChris Packham interrupts: 3681acb401SChris Packham maxItems: 1 3781acb401SChris Packham 3881acb401SChris Packham fsl,preserve-clocking: 3981acb401SChris Packham $ref: /schemas/types.yaml#/definitions/flag 4081acb401SChris Packham description: | 4181acb401SChris Packham if defined, the clock settings from the bootloader are 4281acb401SChris Packham preserved (not touched) 4381acb401SChris Packham 4481acb401SChris Packham fsl,timeout: 4581acb401SChris Packham $ref: /schemas/types.yaml#/definitions/uint32 46*ba085a8dSAndi Shyti deprecated: true 4781acb401SChris Packham description: | 4881acb401SChris Packham I2C bus timeout in microseconds 4981acb401SChris Packham 50a5063ab9SChris Packham fsl,i2c-erratum-a004447: 51a5063ab9SChris Packham $ref: /schemas/types.yaml#/definitions/flag 52a5063ab9SChris Packham description: | 53a5063ab9SChris Packham Indicates the presence of QorIQ erratum A-004447, which 54a5063ab9SChris Packham says that the standard i2c recovery scheme mechanism does 55a5063ab9SChris Packham not work and an alternate implementation is needed. 56a5063ab9SChris Packham 5781acb401SChris Packhamrequired: 5881acb401SChris Packham - compatible 5981acb401SChris Packham - reg 6081acb401SChris Packham - interrupts 6181acb401SChris Packham 6281acb401SChris PackhamunevaluatedProperties: false 6381acb401SChris Packham 6481acb401SChris Packhamexamples: 6581acb401SChris Packham - | 6681acb401SChris Packham /* MPC5121 based board */ 6781acb401SChris Packham i2c@1740 { 6881acb401SChris Packham #address-cells = <1>; 6981acb401SChris Packham #size-cells = <0>; 7081acb401SChris Packham compatible = "fsl,mpc5121-i2c", "fsl-i2c"; 7181acb401SChris Packham reg = <0x1740 0x20>; 7281acb401SChris Packham interrupts = <11 0x8>; 7381acb401SChris Packham interrupt-parent = <&ipic>; 7481acb401SChris Packham clock-frequency = <100000>; 7581acb401SChris Packham }; 7681acb401SChris Packham 7758bcfe0aSRob Herring - | 7881acb401SChris Packham /* MPC5200B based board */ 7981acb401SChris Packham i2c@3d00 { 8081acb401SChris Packham #address-cells = <1>; 8181acb401SChris Packham #size-cells = <0>; 8281acb401SChris Packham compatible = "fsl,mpc5200b-i2c", "fsl,mpc5200-i2c", "fsl-i2c"; 8381acb401SChris Packham reg = <0x3d00 0x40>; 8481acb401SChris Packham interrupts = <2 15 0>; 8581acb401SChris Packham interrupt-parent = <&mpc5200_pic>; 8681acb401SChris Packham fsl,preserve-clocking; 8781acb401SChris Packham }; 8881acb401SChris Packham 8958bcfe0aSRob Herring - | 9081acb401SChris Packham /* MPC8544 base board */ 9181acb401SChris Packham i2c@3100 { 9281acb401SChris Packham #address-cells = <1>; 9381acb401SChris Packham #size-cells = <0>; 9481acb401SChris Packham compatible = "fsl,mpc8544-i2c", "fsl-i2c"; 9581acb401SChris Packham reg = <0x3100 0x100>; 9681acb401SChris Packham interrupts = <43 2>; 9781acb401SChris Packham interrupt-parent = <&mpic>; 9881acb401SChris Packham clock-frequency = <400000>; 99*ba085a8dSAndi Shyti i2c-scl-clk-low-timeout-us = <10000>; 10081acb401SChris Packham }; 10181acb401SChris Packham... 102