arch/arm64/boot/dts/renesas/hihope-common.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device Tree Source for the HiHope RZ/G2[MN] main board common parts
   4  *
   5  * Copyright (C) 2019 Renesas Electronics Corp.
   6  */
   7
   8 #include <dt-bindings/gpio/gpio.h>
   9
  10 / {
  11         aliases {
  12                 serial0 = &scif2;
  13         };
  14
  15         chosen {
  16                 bootargs = "ignore_loglevel";
  17                 stdout-path = "serial0:115200n8";
  18         };
  19
  20         reg_1p8v: regulator0 {
  21                 compatible = "regulator-fixed";
  22                 regulator-name = "fixed-1.8V";
  23                 regulator-min-microvolt = <1800000>;
  24                 regulator-max-microvolt = <1800000>;
  25                 regulator-boot-on;
  26                 regulator-always-on;
  27         };
  28
  29         reg_3p3v: regulator1 {
  30                 compatible = "regulator-fixed";
  31                 regulator-name = "fixed-3.3V";
  32                 regulator-min-microvolt = <3300000>;
  33                 regulator-max-microvolt = <3300000>;
  34                 regulator-boot-on;
  35                 regulator-always-on;
  36         };
  37
  38         vccq_sdhi0: regulator-vccq-sdhi0 {
  39                 compatible = "regulator-gpio";
  40
  41                 regulator-name = "SDHI0 VccQ";
  42                 regulator-min-microvolt = <1800000>;
  43                 regulator-max-microvolt = <3300000>;
  44
  45                 gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
  46                 gpios-states = <1>;
  47                 states = <3300000 1
  48                           1800000 0>;
  49         };
  50 };
  51
  52 &extal_clk {
  53         clock-frequency = <16666666>;
  54 };
  55
  56 &extalr_clk {
  57         clock-frequency = <32768>;
  58 };
  59
  60 &pcie_bus_clk {
  61         clock-frequency = <100000000>;
  62 };
  63
  64 &pfc {
  65         pinctrl-0 = <&scif_clk_pins>;
  66         pinctrl-names = "default";
  67
  68         scif2_pins: scif2 {
  69                 groups = "scif2_data_a";
  70                 function = "scif2";
  71         };
  72
  73         scif_clk_pins: scif_clk {
  74                 groups = "scif_clk_a";
  75                 function = "scif_clk";
  76         };
  77
  78         sdhi0_pins: sd0 {
  79                 groups = "sdhi0_data4", "sdhi0_ctrl";
  80                 function = "sdhi0";
  81                 power-source = <3300>;
  82         };
  83
  84         sdhi0_pins_uhs: sd0_uhs {
  85                 groups = "sdhi0_data4", "sdhi0_ctrl";
  86                 function = "sdhi0";
  87                 power-source = <1800>;
  88         };
  89
  90         sdhi3_pins: sd3 {
  91                 groups = "sdhi3_data8", "sdhi3_ctrl", "sdhi3_ds";
  92                 function = "sdhi3";
  93                 power-source = <1800>;
  94         };
  95 };
  96
  97 &rwdt {
  98         timeout-sec = <60>;
  99         status = "okay";
 100 };
 101
 102 &scif2 {
 103         pinctrl-0 = <&scif2_pins>;
 104         pinctrl-names = "default";
 105
 106         status = "okay";
 107 };
 108
 109 &scif_clk {
 110         clock-frequency = <14745600>;
 111 };
 112
 113 &sdhi0 {
 114         pinctrl-0 = <&sdhi0_pins>;
 115         pinctrl-1 = <&sdhi0_pins_uhs>;
 116         pinctrl-names = "default", "state_uhs";
 117
 118         vmmc-supply = <&reg_3p3v>;
 119         vqmmc-supply = <&vccq_sdhi0>;
 120         cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
 121         bus-width = <4>;
 122         sd-uhs-sdr50;
 123         sd-uhs-sdr104;
 124         status = "okay";
 125 };
 126
 127 &sdhi3 {
 128         pinctrl-0 = <&sdhi3_pins>;
 129         pinctrl-1 = <&sdhi3_pins>;
 130         pinctrl-names = "default", "state_uhs";
 131
 132         vmmc-supply = <&reg_3p3v>;
 133         vqmmc-supply = <&reg_1p8v>;
 134         bus-width = <8>;
 135         mmc-hs200-1_8v;
 136         non-removable;
 137         fixed-emmc-driver-type = <1>;
 138         status = "okay";
 139 };