xref: /openbmc/u-boot/arch/arm/dts/sun8i-r40.dtsi (revision 78a88f79)
1/*
2 * Copyright 2016 Chen-Yu Tsai
3 *
4 * Chen-Yu Tsai <wens@csie.org>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 *  a) This file is free software; you can redistribute it and/or
12 *     modify it under the terms of the GNU General Public License as
13 *     published by the Free Software Foundation; either version 2 of the
14 *     License, or (at your option) any later version.
15 *
16 *     This file is distributed in the hope that it will be useful,
17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *     GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 *  b) Permission is hereby granted, free of charge, to any person
24 *     obtaining a copy of this software and associated documentation
25 *     files (the "Software"), to deal in the Software without
26 *     restriction, including without limitation the rights to use,
27 *     copy, modify, merge, publish, distribute, sublicense, and/or
28 *     sell copies of the Software, and to permit persons to whom the
29 *     Software is furnished to do so, subject to the following
30 *     conditions:
31 *
32 *     The above copyright notice and this permission notice shall be
33 *     included in all copies or substantial portions of the Software.
34 *
35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 *     OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45#include <dt-bindings/interrupt-controller/arm-gic.h>
46#include <dt-bindings/clock/sun8i-r40-ccu.h>
47#include <dt-bindings/reset/sun8i-r40-ccu.h>
48
49/ {
50	#address-cells = <1>;
51	#size-cells = <1>;
52	interrupt-parent = <&gic>;
53
54	aliases {
55	};
56
57	chosen {
58	};
59
60	clocks {
61		#address-cells = <1>;
62		#size-cells = <1>;
63		ranges;
64
65		osc24M: osc24M_clk {
66			#clock-cells = <0>;
67			compatible = "fixed-clock";
68			clock-frequency = <24000000>;
69		};
70
71		osc32k: osc32k_clk {
72			#clock-cells = <0>;
73			compatible = "fixed-clock";
74			clock-frequency = <32768>;
75			clock-output-names = "osc32k";
76		};
77	};
78
79	cpus {
80		#address-cells = <1>;
81		#size-cells = <0>;
82
83		cpu0: cpu@0 {
84			compatible = "arm,cortex-a7";
85			device_type = "cpu";
86			reg = <0>;
87		};
88
89		cpu@1 {
90			compatible = "arm,cortex-a7";
91			device_type = "cpu";
92			reg = <1>;
93		};
94
95		cpu@2 {
96			compatible = "arm,cortex-a7";
97			device_type = "cpu";
98			reg = <2>;
99		};
100
101		cpu@3 {
102			compatible = "arm,cortex-a7";
103			device_type = "cpu";
104			reg = <3>;
105		};
106	};
107
108	memory@40000000 {
109		device_type = "memory";
110		reg = <0x40000000 0x80000000>;
111	};
112
113	soc {
114		compatible = "simple-bus";
115		#address-cells = <1>;
116		#size-cells = <1>;
117		ranges;
118
119		nmi_intc: interrupt-controller@1c00030 {
120			compatible = "allwinner,sun7i-a20-sc-nmi";
121			interrupt-controller;
122			#interrupt-cells = <2>;
123			reg = <0x01c00030 0x0c>;
124			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
125		};
126
127		mmc0: mmc@1c0f000 {
128			compatible = "allwinner,sun8i-r40-mmc",
129				     "allwinner,sun50i-a64-mmc";
130			reg = <0x01c0f000 0x1000>;
131			clocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;
132			clock-names = "ahb", "mmc";
133			resets = <&ccu RST_BUS_MMC0>;
134			reset-names = "ahb";
135			pinctrl-0 = <&mmc0_pins>;
136			pinctrl-names = "default";
137			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
138			status = "disabled";
139			#address-cells = <1>;
140			#size-cells = <0>;
141		};
142
143		ccu: clock@1c20000 {
144			compatible = "allwinner,sun8i-r40-ccu";
145			reg = <0x01c20000 0x400>;
146			clocks = <&osc24M>, <&osc32k>;
147			clock-names = "hosc", "losc";
148			#clock-cells = <1>;
149			#reset-cells = <1>;
150		};
151
152		pio: pinctrl@1c20800 {
153			compatible = "allwinner,sun8i-r40-pinctrl";
154			reg = <0x01c20800 0x400>;
155			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
156			/* apb should be replaced once CCU is implemented */
157			clocks = <&osc24M>, <&osc24M>, <&osc32k>;
158			clock-names = "apb", "hosc", "losc";
159			gpio-controller;
160			interrupt-controller;
161			#interrupt-cells = <3>;
162			#gpio-cells = <3>;
163
164			gmac_rgmii_pins: gmac-rgmii-pins {
165				pins = "PA0", "PA1", "PA2", "PA3",
166				       "PA4", "PA5", "PA6", "PA7",
167				       "PA8", "PA10", "PA11", "PA12",
168				       "PA13", "PA15", "PA16";
169				function = "gmac";
170				/*
171				 * data lines in RGMII mode use DDR mode
172				 * and need a higher signal drive strength
173				 */
174				drive-strength = <40>;
175			};
176
177			i2c0_pins: i2c0_pins {
178				pins = "PB0", "PB1";
179				function = "i2c0";
180				bias-pull-up;
181			};
182
183			mmc0_pins: mmc0-pins {
184				pins = "PF0", "PF1", "PF2",
185				       "PF3", "PF4", "PF5";
186				function = "mmc0";
187				drive-strength = <30>;
188				bias-pull-up;
189			};
190
191			uart0_pb_pins: uart0_pb_pins {
192				pins = "PB22", "PB23";
193				function = "uart0";
194				bias-pull-up;
195			};
196		};
197
198		uart0: serial@1c28000 {
199			compatible = "snps,dw-apb-uart";
200			reg = <0x01c28000 0x400>;
201			interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
202			reg-shift = <2>;
203			reg-io-width = <4>;
204			clocks = <&osc24M>;
205			status = "disabled";
206		};
207
208		i2c0: i2c@1c2ac00 {
209			compatible = "allwinner,sun6i-a31-i2c";
210			reg = <0x01c2ac00 0x400>;
211			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
212			clocks = <&osc24M>;
213			status = "disabled";
214			#address-cells = <1>;
215			#size-cells = <0>;
216		};
217
218		gmac: ethernet@1c50000 {
219			compatible = "allwinner,sun8i-r40-gmac";
220			syscon = <&ccu>;
221			reg = <0x01c50000 0x10000>;
222			interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
223			interrupt-names = "macirq";
224			resets = <&ccu RST_BUS_GMAC>;
225			reset-names = "stmmaceth";
226			clocks = <&ccu CLK_BUS_GMAC>;
227			clock-names = "stmmaceth";
228			#address-cells = <1>;
229			#size-cells = <0>;
230			status = "disabled";
231
232			gmac_mdio: mdio {
233				compatible = "snps,dwmac-mdio";
234				#address-cells = <1>;
235				#size-cells = <0>;
236			};
237		};
238
239		gic: interrupt-controller@1c81000 {
240			compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
241			reg = <0x01c81000 0x1000>,
242			      <0x01c82000 0x1000>,
243			      <0x01c84000 0x2000>,
244			      <0x01c86000 0x2000>;
245			interrupt-controller;
246			#interrupt-cells = <3>;
247			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
248		};
249	};
250
251	timer {
252		compatible = "arm,armv7-timer";
253		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
254			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
255			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
256			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
257		clock-frequency = <24000000>;
258		arm,cpu-registers-not-fw-configured;
259	};
260};
261