mirror of
https://github.com/AsahiLinux/u-boot
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00ad3a9f73
Add i2c support. Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
236 lines
4.8 KiB
Text
236 lines
4.8 KiB
Text
/*
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* Copyright 2017 NXP
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/dts-v1/;
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#include "imx7d.dtsi"
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/ {
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model = "Freescale i.MX7 SabreSD Board";
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compatible = "fsl,imx7d-sdb", "fsl,imx7d";
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memory {
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reg = <0x80000000 0x80000000>;
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};
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spi4 {
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compatible = "spi-gpio";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_spi1>;
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status = "okay";
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gpio-sck = <&gpio1 13 0>;
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gpio-mosi = <&gpio1 9 0>;
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cs-gpios = <&gpio1 12 0>;
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num-chipselects = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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gpio_spi: gpio_spi@0 {
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compatible = "fairchild,74hc595";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0>;
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registers-number = <1>;
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registers-default = /bits/ 8 <0x74>; /* Enable PERI_3V3, SENSOR_RST_B and HDMI_RST*/
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spi-max-frequency = <100000>;
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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reg_usb_otg1_vbus: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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regulator-name = "usb_otg1_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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reg_usb_otg2_vbus: regulator@1 {
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compatible = "regulator-fixed";
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reg = <1>;
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regulator-name = "usb_otg2_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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reg_sd1_vmmc: regulator@3 {
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compatible = "regulator-fixed";
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regulator-name = "VDD_SD1";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
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startup-delay-us = <200000>;
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enable-active-high;
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};
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};
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};
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&iomuxc {
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imx7d-sdb {
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pinctrl_spi1: spi1grp {
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fsl,pins = <
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MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
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MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59
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MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59
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>;
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};
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pinctrl_i2c1: i2c1grp {
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fsl,pins = <
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MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f
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MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
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>;
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};
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pinctrl_i2c2: i2c2grp {
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fsl,pins = <
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MX7D_PAD_I2C2_SDA__I2C2_SDA 0x4000007f
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MX7D_PAD_I2C2_SCL__I2C2_SCL 0x4000007f
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>;
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};
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pinctrl_i2c3: i2c3grp {
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fsl,pins = <
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MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f
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MX7D_PAD_I2C3_SCL__I2C3_SCL 0x4000007f
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>;
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};
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pinctrl_i2c4: i2c4grp {
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fsl,pins = <
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MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA 0x4000007f
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MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL 0x4000007f
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>;
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};
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};
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};
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&i2c1 {
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clock-frequency = <100000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c1>;
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status = "okay";
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pmic: pfuze3000@08 {
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compatible = "fsl,pfuze3000";
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reg = <0x08>;
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regulators {
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sw1a_reg: sw1a {
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <6250>;
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};
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/* use sw1c_reg to align with pfuze100/pfuze200 */
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sw1c_reg: sw1b {
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regulator-min-microvolt = <700000>;
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regulator-max-microvolt = <1475000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-ramp-delay = <6250>;
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};
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sw2_reg: sw2 {
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1850000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw3a_reg: sw3 {
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <1650000>;
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regulator-boot-on;
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regulator-always-on;
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};
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swbst_reg: swbst {
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5150000>;
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};
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snvs_reg: vsnvs {
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3000000>;
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regulator-boot-on;
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regulator-always-on;
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};
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vref_reg: vrefddr {
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regulator-boot-on;
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regulator-always-on;
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};
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vgen1_reg: vldo1 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen2_reg: vldo2 {
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1550000>;
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regulator-always-on;
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};
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vgen3_reg: vccsd {
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regulator-min-microvolt = <2850000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen4_reg: v33 {
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regulator-min-microvolt = <2850000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen5_reg: vldo3 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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vgen6_reg: vldo4 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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};
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};
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};
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&i2c2 {
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clock-frequency = <100000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c2>;
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status = "okay";
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};
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&i2c3 {
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clock-frequency = <100000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c3>;
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status = "okay";
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};
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&i2c4 {
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clock-frequency = <100000>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c4>;
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status = "okay";
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};
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