arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * IPQ9574 RDP433 board device tree source
   4  *
   5  * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
   6  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
   7  */
   8
   9 /dts-v1/;
  10
  11 #include "ipq9574.dtsi"
  12
  13 / {
  14         model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C7";
  15         compatible = "qcom,ipq9574-ap-al02-c7", "qcom,ipq9574";
  16
  17         aliases {
  18                 serial0 = &blsp1_uart2;
  19         };
  20
  21         chosen {
  22                 stdout-path = "serial0:115200n8";
  23         };
  24
  25         regulator_fixed_3p3: s3300 {
  26                 compatible = "regulator-fixed";
  27                 regulator-min-microvolt = <3300000>;
  28                 regulator-max-microvolt = <3300000>;
  29                 regulator-boot-on;
  30                 regulator-always-on;
  31                 regulator-name = "fixed_3p3";
  32         };
  33
  34         regulator_fixed_0p925: s0925 {
  35                 compatible = "regulator-fixed";
  36                 regulator-min-microvolt = <925000>;
  37                 regulator-max-microvolt = <925000>;
  38                 regulator-boot-on;
  39                 regulator-always-on;
  40                 regulator-name = "fixed_0p925";
  41         };
  42 };
  43
  44 &blsp1_uart2 {
  45         pinctrl-0 = <&uart2_pins>;
  46         pinctrl-names = "default";
  47         status = "okay";
  48 };
  49
  50 &rpm_requests {
  51         regulators {
  52                 compatible = "qcom,rpm-mp5496-regulators";
  53
  54                 ipq9574_s1: s1 {
  55                 /*
  56                  * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
  57                  * During regulator registration, kernel not knowing the initial voltage,
  58                  * considers it as zero and brings up the regulators with minimum supported voltage.
  59                  * Update the regulator-min-microvolt with SVS voltage of 725mV so that
  60                  * the regulators are brought up with 725mV which is sufficient for all the
  61                  * corner parts to operate at 800MHz
  62                  */
  63                         regulator-min-microvolt = <725000>;
  64                         regulator-max-microvolt = <1075000>;
  65                 };
  66
  67                 mp5496_l2: l2 {
  68                         regulator-min-microvolt = <1800000>;
  69                         regulator-max-microvolt = <1800000>;
  70                         regulator-always-on;
  71                         regulator-boot-on;
  72                 };
  73         };
  74 };
  75
  76 &sdhc_1 {
  77         pinctrl-0 = <&sdc_default_state>;
  78         pinctrl-names = "default";
  79         mmc-ddr-1_8v;
  80         mmc-hs200-1_8v;
  81         mmc-hs400-1_8v;
  82         mmc-hs400-enhanced-strobe;
  83         max-frequency = <384000000>;
  84         bus-width = <8>;
  85         status = "okay";
  86 };
  87
  88 &sleep_clk {
  89         clock-frequency = <32000>;
  90 };
  91
  92 &tlmm {
  93         sdc_default_state: sdc-default-state {
  94                 clk-pins {
  95                         pins = "gpio5";
  96                         function = "sdc_clk";
  97                         drive-strength = <8>;
  98                         bias-disable;
  99                 };
 100
 101                 cmd-pins {
 102                         pins = "gpio4";
 103                         function = "sdc_cmd";
 104                         drive-strength = <8>;
 105                         bias-pull-up;
 106                 };
 107
 108                 data-pins {
 109                         pins = "gpio0", "gpio1", "gpio2",
 110                                "gpio3", "gpio6", "gpio7",
 111                                "gpio8", "gpio9";
 112                         function = "sdc_data";
 113                         drive-strength = <8>;
 114                         bias-pull-up;
 115                 };
 116
 117                 rclk-pins {
 118                         pins = "gpio10";
 119                         function = "sdc_rclk";
 120                         drive-strength = <8>;
 121                         bias-pull-down;
 122                 };
 123         };
 124 };
 125
 126 &usb_0_dwc3 {
 127         dr_mode = "host";
 128 };
 129
 130 &usb_0_qmpphy {
 131         vdda-pll-supply = <&mp5496_l2>;
 132         vdda-phy-supply = <&regulator_fixed_0p925>;
 133
 134         status = "okay";
 135 };
 136
 137 &usb_0_qusbphy {
 138         vdd-supply = <&regulator_fixed_0p925>;
 139         vdda-pll-supply = <&mp5496_l2>;
 140         vdda-phy-dpdm-supply = <&regulator_fixed_3p3>;
 141
 142         status = "okay";
 143 };
 144
 145 &usb3 {
 146         status = "okay";
 147 };
 148
 149 &xo_board_clk {
 150         clock-frequency = <24000000>;
 151 };