arch/arm64/boot/dts/amd/elba-asic-common.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
   2 /*
   3  * Copyright 2020-2022 Advanced Micro Devices, Inc.
   4  */
   5
   6 &ahb_clk {
   7         clock-frequency = <400000000>;
   8 };
   9
  10 &emmc_clk {
  11         clock-frequency = <200000000>;
  12 };
  13
  14 &flash_clk {
  15         clock-frequency = <400000000>;
  16 };
  17
  18 &ref_clk {
  19         clock-frequency = <156250000>;
  20 };
  21
  22 &qspi {
  23         status = "okay";
  24
  25         flash0: flash@0 {
  26                 compatible = "jedec,spi-nor";
  27                 reg = <0>;
  28                 spi-max-frequency = <40000000>;
  29                 spi-rx-bus-width = <2>;
  30                 m25p,fast-read;
  31                 cdns,read-delay = <0>;
  32                 cdns,tshsl-ns = <0>;
  33                 cdns,tsd2d-ns = <0>;
  34                 cdns,tchsh-ns = <0>;
  35                 cdns,tslch-ns = <0>;
  36         };
  37 };
  38
  39 &gpio0 {
  40         status = "okay";
  41 };
  42
  43 &emmc {
  44         bus-width = <8>;
  45         cap-mmc-hw-reset;
  46         status = "okay";
  47 };
  48
  49 &wdt0 {
  50         status = "okay";
  51 };
  52
  53 &i2c0 {
  54         clock-frequency = <100000>;
  55         status = "okay";
  56
  57         rtc@51 {
  58                 compatible = "nxp,pcf85263";
  59                 reg = <0x51>;
  60         };
  61 };
  62
  63 &spi0 {
  64         #address-cells = <1>;
  65         #size-cells = <0>;
  66         num-cs = <4>;
  67         cs-gpios = <0>, <0>, <&porta 1 GPIO_ACTIVE_LOW>,
  68                    <&porta 7 GPIO_ACTIVE_LOW>;
  69         status = "okay";
  70 };