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     1 // SPDX-License-Identifier: GPL-2.0
    2 /*
    3  * Samsung ExynosAutov9 SADK board device tree source
    4  *
    5  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
    6  *
    7  */
    8 
    9 /dts-v1/;
   10 #include "exynosautov9.dtsi"
   11 #include <dt-bindings/gpio/gpio.h>
   12 
   13 / {
   14         model = "Samsung ExynosAuto v9 SADK board";
   15         compatible = "samsung,exynosautov9-sadk", "samsung,exynosautov9";
   16 
   17         #address-cells = <2>;
   18         #size-cells = <2>;
   19 
   20         aliases {
   21                 serial0 = &serial_0;
   22         };
   23 
   24         chosen {
   25                 stdout-path = &serial_0;
   26         };
   27 
   28         memory@80000000 {
   29                 device_type = "memory";
   30                 reg = <0x0 0x80000000 0x0 0x77000000>,
   31                       <0x8 0x80000000 0x1 0x7ba00000>,
   32                       <0xa 0x00000000 0x2 0x00000000>;
   33         };
   34 
   35         ufs_0_fixed_vcc_reg: regulator-0 {
   36                 compatible = "regulator-fixed";
   37                 regulator-name = "ufs-vcc";
   38                 gpio = <&gpq0 1 GPIO_ACTIVE_HIGH>;
   39                 regulator-boot-on;
   40                 enable-active-high;
   41         };
   42 
   43         ufs_1_fixed_vcc_reg: regulator-1 {
   44                 compatible = "regulator-fixed";
   45                 regulator-name = "ufs-vcc";
   46                 gpio = <&gpg2 2 GPIO_ACTIVE_HIGH>;
   47                 regulator-boot-on;
   48                 enable-active-high;
   49         };
   50 };
   51 
   52 &serial_0 {
   53         pinctrl-0 = <&uart0_bus_dual>;
   54         status = "okay";
   55 };
   56 
   57 &ufs_0_phy {
   58         status = "okay";
   59 };
   60 
   61 &ufs_1_phy {
   62         status = "okay";
   63 };
   64 
   65 &ufs_0 {
   66         status = "okay";
   67         vcc-supply = <&ufs_0_fixed_vcc_reg>;
   68         vcc-fixed-regulator;
   69 };
   70 
   71 &ufs_1 {
   72         status = "okay";
   73         vcc-supply = <&ufs_1_fixed_vcc_reg>;
   74         vcc-fixed-regulator;
   75 };
   76 
   77 &usi_0 {
   78         samsung,clkreq-on; /* needed for UART mode */
   79         status = "okay";
   80 };
   81 
   82 &xtcxo {
   83         clock-frequency = <26000000>;
   84 };
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