src/arm64/qcom/ipq9574-rdp-common.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * IPQ9574 RDP board common 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 <dt-bindings/gpio/gpio.h>
  12 #include <dt-bindings/input/input.h>
  13 #include <dt-bindings/leds/common.h>
  14 #include "ipq9574.dtsi"
  15
  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         gpio-keys {
  44                 compatible = "gpio-keys";
  45                 pinctrl-0 = <&gpio_keys_default>;
  46                 pinctrl-names = "default";
  47
  48                 button-wps {
  49                         label = "wps";
  50                         linux,code = <KEY_WPS_BUTTON>;
  51                         gpios = <&tlmm 37 GPIO_ACTIVE_LOW>;
  52                         debounce-interval = <60>;
  53                 };
  54         };
  55
  56         leds {
  57                 compatible = "gpio-leds";
  58                 pinctrl-0 = <&gpio_leds_default>;
  59                 pinctrl-names = "default";
  60
  61                 led-0 {
  62                         color = <LED_COLOR_ID_GREEN>;
  63                         function = LED_FUNCTION_WLAN;
  64                         gpios = <&tlmm 64 GPIO_ACTIVE_LOW>;
  65                         linux,default-trigger = "phy0tx";
  66                         default-state = "off";
  67                 };
  68         };
  69 };
  70
  71 &blsp1_spi0 {
  72         pinctrl-0 = <&spi_0_pins>;
  73         pinctrl-names = "default";
  74         status = "okay";
  75
  76         flash@0 {
  77                 compatible = "micron,n25q128a11", "jedec,spi-nor";
  78                 reg = <0>;
  79                 #address-cells = <1>;
  80                 #size-cells = <1>;
  81                 spi-max-frequency = <50000000>;
  82         };
  83 };
  84
  85 &blsp1_uart2 {
  86         pinctrl-0 = <&uart2_pins>;
  87         pinctrl-names = "default";
  88         status = "okay";
  89 };
  90
  91 &rpm_requests {
  92         regulators {
  93                 compatible = "qcom,rpm-mp5496-regulators";
  94
  95                 ipq9574_s1: s1 {
  96                 /*
  97                  * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
  98                  * During regulator registration, kernel not knowing the initial voltage,
  99                  * considers it as zero and brings up the regulators with minimum supported voltage.
 100                  * Update the regulator-min-microvolt with SVS voltage of 725mV so that
 101                  * the regulators are brought up with 725mV which is sufficient for all the
 102                  * corner parts to operate at 800MHz
 103                  */
 104                         regulator-min-microvolt = <725000>;
 105                         regulator-max-microvolt = <1075000>;
 106                 };
 107
 108                 mp5496_l2: l2 {
 109                         regulator-min-microvolt = <1800000>;
 110                         regulator-max-microvolt = <1800000>;
 111                         regulator-always-on;
 112                         regulator-boot-on;
 113                 };
 114         };
 115 };
 116
 117 &sleep_clk {
 118         clock-frequency = <32000>;
 119 };
 120
 121 &tlmm {
 122         spi_0_pins: spi-0-state {
 123                 pins = "gpio11", "gpio12", "gpio13", "gpio14";
 124                 function = "blsp0_spi";
 125                 drive-strength = <8>;
 126                 bias-disable;
 127         };
 128
 129         gpio_keys_default: gpio-keys-default-state {
 130                 pins = "gpio37";
 131                 function = "gpio";
 132                 drive-strength = <8>;
 133                 bias-pull-up;
 134         };
 135
 136         gpio_leds_default: gpio-leds-default-state {
 137                 pins = "gpio64";
 138                 function = "gpio";
 139                 drive-strength = <8>;
 140                 bias-pull-up;
 141         };
 142 };
 143
 144 &usb_0_dwc3 {
 145         dr_mode = "host";
 146 };
 147
 148 &usb_0_qmpphy {
 149         vdda-pll-supply = <&mp5496_l2>;
 150         vdda-phy-supply = <&regulator_fixed_0p925>;
 151
 152         status = "okay";
 153 };
 154
 155 &usb_0_qusbphy {
 156         vdd-supply = <&regulator_fixed_0p925>;
 157         vdda-pll-supply = <&mp5496_l2>;
 158         vdda-phy-dpdm-supply = <&regulator_fixed_3p3>;
 159
 160         status = "okay";
 161 };
 162
 163 &usb3 {
 164         status = "okay";
 165 };
 166
 167 &xo_board_clk {
 168         clock-frequency = <24000000>;
 169 };