src/arm64/qcom/ipq9574-rdp449.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * IPQ9574 RDP449 board device tree source
   4  *
   5  * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
   6  * Copyright (c) 2022-2023 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-C6";
  15         compatible = "qcom,ipq9574-ap-al02-c6", "qcom,ipq9574";
  16
  17         aliases {
  18                 serial0 = &blsp1_uart2;
  19         };
  20
  21         chosen {
  22                 stdout-path = "serial0:115200n8";
  23         };
  24 };
  25
  26 &blsp1_spi0 {
  27         pinctrl-0 = <&spi_0_pins>;
  28         pinctrl-names = "default";
  29         status = "okay";
  30
  31         flash@0 {
  32                 compatible = "micron,n25q128a11", "jedec,spi-nor";
  33                 reg = <0>;
  34                 #address-cells = <1>;
  35                 #size-cells = <1>;
  36                 spi-max-frequency = <50000000>;
  37         };
  38 };
  39
  40 &blsp1_uart2 {
  41         pinctrl-0 = <&uart2_pins>;
  42         pinctrl-names = "default";
  43         status = "okay";
  44 };
  45
  46 &rpm_requests {
  47         regulators {
  48                 compatible = "qcom,rpm-mp5496-regulators";
  49
  50                 ipq9574_s1: s1 {
  51                 /*
  52                  * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
  53                  * During regulator registration, kernel not knowing the initial voltage,
  54                  * considers it as zero and brings up the regulators with minimum supported voltage.
  55                  * Update the regulator-min-microvolt with SVS voltage of 725mV so that
  56                  * the regulators are brought up with 725mV which is sufficient for all the
  57                  * corner parts to operate at 800MHz
  58                  */
  59                         regulator-min-microvolt = <725000>;
  60                         regulator-max-microvolt = <1075000>;
  61                 };
  62         };
  63 };
  64
  65 &sleep_clk {
  66         clock-frequency = <32000>;
  67 };
  68
  69 &tlmm {
  70         spi_0_pins: spi-0-state {
  71                 pins = "gpio11", "gpio12", "gpio13", "gpio14";
  72                 function = "blsp0_spi";
  73                 drive-strength = <8>;
  74                 bias-disable;
  75         };
  76 };
  77
  78 &xo_board_clk {
  79         clock-frequency = <24000000>;
  80 };