xref: /OK3568_Linux_fs/kernel/arch/arm64/boot/dts/microchip/sparx5_nand.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2*4882a593Smuzhiyun/*
3*4882a593Smuzhiyun * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun&gpio {
7*4882a593Smuzhiyun	cs14_pins: cs14-pins {
8*4882a593Smuzhiyun		pins = "GPIO_44";
9*4882a593Smuzhiyun		function = "si";
10*4882a593Smuzhiyun	};
11*4882a593Smuzhiyun};
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun&spi0 {
14*4882a593Smuzhiyun	pinctrl-0 = <&si2_pins>;
15*4882a593Smuzhiyun	pinctrl-names = "default";
16*4882a593Smuzhiyun	spi@e {
17*4882a593Smuzhiyun		compatible = "spi-mux";
18*4882a593Smuzhiyun		mux-controls = <&mux>;
19*4882a593Smuzhiyun		#address-cells = <1>;
20*4882a593Smuzhiyun		#size-cells = <0>;
21*4882a593Smuzhiyun		reg = <14>; /* CS14 */
22*4882a593Smuzhiyun		spi-flash@6 {
23*4882a593Smuzhiyun			compatible = "spi-nand";
24*4882a593Smuzhiyun			pinctrl-0 = <&cs14_pins>;
25*4882a593Smuzhiyun			pinctrl-names = "default";
26*4882a593Smuzhiyun			reg = <0x6>; /* SPI2 */
27*4882a593Smuzhiyun			spi-max-frequency = <42000000>;
28*4882a593Smuzhiyun			rx-sample-delay-ns = <7>;  /* Tune for speed */
29*4882a593Smuzhiyun		};
30*4882a593Smuzhiyun	};
31*4882a593Smuzhiyun};
32