arch/arm64/boot/dts/qcom/ipq9574-rdp418.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * IPQ9574 RDP418 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-C2";
  15         compatible = "qcom,ipq9574-ap-al02-c2", "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 &sdhc_1 {
  66         pinctrl-0 = <&sdc_default_state>;
  67         pinctrl-names = "default";
  68         mmc-ddr-1_8v;
  69         mmc-hs200-1_8v;
  70         mmc-hs400-1_8v;
  71         mmc-hs400-enhanced-strobe;
  72         max-frequency = <384000000>;
  73         bus-width = <8>;
  74         status = "okay";
  75 };
  76
  77 &sleep_clk {
  78         clock-frequency = <32000>;
  79 };
  80
  81 &tlmm {
  82         sdc_default_state: sdc-default-state {
  83                 clk-pins {
  84                         pins = "gpio5";
  85                         function = "sdc_clk";
  86                         drive-strength = <8>;
  87                         bias-disable;
  88                 };
  89
  90                 cmd-pins {
  91                         pins = "gpio4";
  92                         function = "sdc_cmd";
  93                         drive-strength = <8>;
  94                         bias-pull-up;
  95                 };
  96
  97                 data-pins {
  98                         pins = "gpio0", "gpio1", "gpio2",
  99                                "gpio3", "gpio6", "gpio7",
 100                                "gpio8", "gpio9";
 101                         function = "sdc_data";
 102                         drive-strength = <8>;
 103                         bias-pull-up;
 104                 };
 105
 106                 rclk-pins {
 107                         pins = "gpio10";
 108                         function = "sdc_rclk";
 109                         drive-strength = <8>;
 110                         bias-pull-down;
 111                 };
 112         };
 113
 114         spi_0_pins: spi-0-state {
 115                 pins = "gpio11", "gpio12", "gpio13", "gpio14";
 116                 function = "blsp0_spi";
 117                 drive-strength = <8>;
 118                 bias-disable;
 119         };
 120 };
 121
 122 &xo_board_clk {
 123         clock-frequency = <24000000>;
 124 };