1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Copyright (C) 2021 Michael Walle <michael@walle.cc>
  4 */
  5/dts-v1/;
  6/include/ "zynq-7000.dtsi"
  7
  8/ {
  9	model = "Ebang EBAZ4205";
 10	compatible = "ebang,ebaz4205", "xlnx,zynq-7000";
 11
 12	aliases {
 13		ethernet0 = &gem0;
 14		serial0 = &uart1;
 15	};
 16
 17	memory@0 {
 18		device_type = "memory";
 19		reg = <0x0 0x10000000>;
 20	};
 21
 22	chosen {
 23		stdout-path = "serial0:115200n8";
 24	};
 25};
 26
 27&clkc {
 28	ps-clk-frequency = <33333333>;
 29	fclk-enable = <8>;
 30};
 31
 32&gem0 {
 33	status = "okay";
 34	phy-mode = "mii";
 35	phy-handle = <&phy>;
 36
 37	/* PHY clock */
 38	assigned-clocks = <&clkc 18>;
 39	assigned-clock-rates = <25000000>;
 40
 41	phy: ethernet-phy@0 {
 42		reg = <0>;
 43	};
 44};
 45
 46&gpio0 {
 47	pinctrl-names = "default";
 48	pinctrl-0 = <&pinctrl_gpio0_default>;
 49};
 50
 51&nfc0 {
 52	status = "okay";
 53
 54	nand@0 {
 55		reg = <0>;
 56	};
 57};
 58
 59&pinctrl0 {
 60	pinctrl_gpio0_default: gpio0-default {
 61		mux {
 62			groups = "gpio0_20_grp", "gpio0_32_grp";
 63			function = "gpio0";
 64		};
 65
 66		conf {
 67			groups = "gpio0_20_grp", "gpio0_32_grp";
 68			io-standard = <3>;
 69			slew-rate = <0>;
 70		};
 71
 72		conf-pull-up {
 73			pins = "MIO20", "MIO32";
 74			bias-disable;
 75		};
 76	};
 77
 78	pinctrl_sdhci0_default: sdhci0-default {
 79		mux {
 80			groups = "sdio0_2_grp";
 81			function = "sdio0";
 82		};
 83
 84		conf {
 85			groups = "sdio0_2_grp";
 86			io-standard = <3>;
 87			slew-rate = <0>;
 88			bias-disable;
 89		};
 90
 91		mux-cd {
 92			groups = "gpio0_34_grp";
 93			function = "sdio0_cd";
 94		};
 95
 96		conf-cd {
 97			groups = "gpio0_34_grp";
 98			io-standard = <3>;
 99			slew-rate = <0>;
100			bias-high-impedance;
101			bias-pull-up;
102		};
103	};
104
105	pinctrl_uart1_default: uart1-default {
106		mux {
107			groups = "uart1_4_grp";
108			function = "uart1";
109		};
110
111		conf {
112			groups = "uart1_4_grp";
113			io-standard = <3>;
114			slew-rate = <0>;
115		};
116
117		conf-rx {
118			pins = "MIO25";
119			bias-high-impedance;
120		};
121
122		conf-tx {
123			pins = "MIO24";
124			bias-disable;
125		};
126	};
127};
128
129&smcc {
130	status = "okay";
131};
132
133&sdhci0 {
134	status = "okay";
135	disable-wp;
136	pinctrl-names = "default";
137	pinctrl-0 = <&pinctrl_sdhci0_default>;
138};
139
140&uart1 {
141	status = "okay";
142	pinctrl-names = "default";
143	pinctrl-0 = <&pinctrl_uart1_default>;
144};