arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts

   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 };