arm64/microchip/sparx5_nand.dtsi

0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003  * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
0004  */
0005
0006 &gpio {
0007         cs14_pins: cs14-pins {
0008                 pins = "GPIO_44";
0009                 function = "si";
0010         };
0011 };
0012
0013 &spi0 {
0014         pinctrl-0 = <&si2_pins>;
0015         pinctrl-names = "default";
0016         spi@e {
0017                 compatible = "spi-mux";
0018                 mux-controls = <&mux>;
0019                 #address-cells = <1>;
0020                 #size-cells = <0>;
0021                 reg = <14>; /* CS14 */
0022                 flash@6 {
0023                         compatible = "spi-nand";
0024                         pinctrl-0 = <&cs14_pins>;
0025                         pinctrl-names = "default";
0026                         reg = <0x6>; /* SPI2 */
0027                         spi-max-frequency = <42000000>;
0028                         rx-sample-delay-ns = <7>;  /* Tune for speed */
0029                 };
0030         };
0031 };