arch/arm64/boot/dts/microchip/sparx5_nand.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
   4  */
   5
   6 &gpio {
   7         cs14_pins: cs14-pins {
   8                 pins = "GPIO_44";
   9                 function = "si";
  10         };
  11 };
  12
  13 &spi0 {
  14         pinctrl-0 = <&si2_pins>;
  15         pinctrl-names = "default";
  16         spi@e {
  17                 compatible = "spi-mux";
  18                 mux-controls = <&mux>;
  19                 #address-cells = <1>;
  20                 #size-cells = <0>;
  21                 reg = <14>; /* CS14 */
  22                 spi-flash@6 {
  23                         compatible = "spi-nand";
  24                         pinctrl-0 = <&cs14_pins>;
  25                         pinctrl-names = "default";
  26                         reg = <0x6>; /* SPI2 */
  27                         spi-max-frequency = <42000000>;
  28                         rx-sample-delay-ns = <7>;  /* Tune for speed */
  29                 };
  30         };
  31 };