arch/arm/boot/dts/stm32mp15-scmi.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * Copyright (C) STMicroelectronics 2022 - All Rights Reserved
   4  * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
   5  */
   6
   7 / {
   8         firmware {
   9                 optee: optee {
  10                         compatible = "linaro,optee-tz";
  11                         method = "smc";
  12                 };
  13
  14                 scmi: scmi {
  15                         compatible = "linaro,scmi-optee";
  16                         #address-cells = <1>;
  17                         #size-cells = <0>;
  18                         linaro,optee-channel-id = <0>;
  19                         shmem = <&scmi_shm>;
  20
  21                         scmi_clk: protocol@14 {
  22                                 reg = <0x14>;
  23                                 #clock-cells = <1>;
  24                         };
  25
  26                         scmi_reset: protocol@16 {
  27                                 reg = <0x16>;
  28                                 #reset-cells = <1>;
  29                         };
  30
  31                         scmi_voltd: protocol@17 {
  32                                 reg = <0x17>;
  33
  34                                 scmi_reguls: regulators {
  35                                         #address-cells = <1>;
  36                                         #size-cells = <0>;
  37
  38                                         scmi_reg11: reg11@0 {
  39                                                 reg = <0>;
  40                                                 regulator-name = "reg11";
  41                                                 regulator-min-microvolt = <1100000>;
  42                                                 regulator-max-microvolt = <1100000>;
  43                                         };
  44
  45                                         scmi_reg18: reg18@1 {
  46                                                 voltd-name = "reg18";
  47                                                 reg = <1>;
  48                                                 regulator-name = "reg18";
  49                                                 regulator-min-microvolt = <1800000>;
  50                                                 regulator-max-microvolt = <1800000>;
  51                                         };
  52
  53                                         scmi_usb33: usb33@2 {
  54                                                 reg = <2>;
  55                                                 regulator-name = "usb33";
  56                                                 regulator-min-microvolt = <3300000>;
  57                                                 regulator-max-microvolt = <3300000>;
  58                                         };
  59                                 };
  60                         };
  61                 };
  62         };
  63
  64         soc {
  65                 scmi_sram: sram@2ffff000 {
  66                         compatible = "mmio-sram";
  67                         reg = <0x2ffff000 0x1000>;
  68                         #address-cells = <1>;
  69                         #size-cells = <1>;
  70                         ranges = <0 0x2ffff000 0x1000>;
  71
  72                         scmi_shm: scmi-sram@0 {
  73                                 compatible = "arm,scmi-shmem";
  74                                 reg = <0 0x80>;
  75                         };
  76                 };
  77         };
  78 };
  79
  80 &reg11 {
  81         status = "disabled";
  82 };
  83
  84 &reg18 {
  85         status = "disabled";
  86 };
  87
  88 &usb33 {
  89         status = "disabled";
  90 };
  91
  92 &usbotg_hs {
  93         usb33d-supply = <&scmi_usb33>;
  94 };
  95
  96 &usbphyc {
  97         vdda1v1-supply = <&scmi_reg11>;
  98         vdda1v8-supply = <&scmi_reg18>;
  99 };
 100
 101 /delete-node/ &clk_hse;
 102 /delete-node/ &clk_hsi;
 103 /delete-node/ &clk_lse;
 104 /delete-node/ &clk_lsi;
 105 /delete-node/ &clk_csi;