xref: /openbmc/u-boot/arch/arm/dts/bcm283x.dtsi (revision d5abcf94) 
1#include <dt-bindings/pinctrl/bcm2835.h>
2#include <dt-bindings/clock/bcm2835.h>
3#include <dt-bindings/clock/bcm2835-aux.h>
4#include <dt-bindings/gpio/gpio.h>
5
6/* This include file covers the common peripherals and configuration between
7 * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
8 * bcm2835.dtsi and bcm2836.dtsi.
9 */
10
11/ {
12	compatible = "brcm,bcm2835";
13	model = "BCM2835";
14	interrupt-parent = <&intc>;
15	#address-cells = <1>;
16	#size-cells = <1>;
17
18	chosen {
19		bootargs = "earlyprintk console=ttyAMA0";
20	};
21
22	soc: soc {
23		compatible = "simple-bus";
24		#address-cells = <1>;
25		#size-cells = <1>;
26
27		timer@7e003000 {
28			compatible = "brcm,bcm2835-system-timer";
29			reg = <0x7e003000 0x1000>;
30			interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
31			/* This could be a reference to BCM2835_CLOCK_TIMER,
32			 * but we don't have the driver using the common clock
33			 * support yet.
34			 */
35			clock-frequency = <1000000>;
36		};
37
38		dma: dma@7e007000 {
39			compatible = "brcm,bcm2835-dma";
40			reg = <0x7e007000 0xf00>;
41			interrupts = <1 16>,
42				     <1 17>,
43				     <1 18>,
44				     <1 19>,
45				     <1 20>,
46				     <1 21>,
47				     <1 22>,
48				     <1 23>,
49				     <1 24>,
50				     <1 25>,
51				     <1 26>,
52				     /* dma channel 11-14 share one irq */
53				     <1 27>,
54				     <1 27>,
55				     <1 27>,
56				     <1 27>,
57				     /* unused shared irq for all channels */
58				     <1 28>;
59			interrupt-names = "dma0",
60					  "dma1",
61					  "dma2",
62					  "dma3",
63					  "dma4",
64					  "dma5",
65					  "dma6",
66					  "dma7",
67					  "dma8",
68					  "dma9",
69					  "dma10",
70					  "dma11",
71					  "dma12",
72					  "dma13",
73					  "dma14",
74					  "dma-shared-all";
75			#dma-cells = <1>;
76			brcm,dma-channel-mask = <0x7f35>;
77		};
78
79		intc: interrupt-controller@7e00b200 {
80			compatible = "brcm,bcm2835-armctrl-ic";
81			reg = <0x7e00b200 0x200>;
82			interrupt-controller;
83			#interrupt-cells = <2>;
84		};
85
86		watchdog@7e100000 {
87			compatible = "brcm,bcm2835-pm-wdt";
88			reg = <0x7e100000 0x28>;
89		};
90
91		clocks: cprman@7e101000 {
92			compatible = "brcm,bcm2835-cprman";
93			#clock-cells = <1>;
94			reg = <0x7e101000 0x2000>;
95
96			/* CPRMAN derives everything from the platform's
97			 * oscillator.
98			 */
99			clocks = <&clk_osc>;
100		};
101
102		rng@7e104000 {
103			compatible = "brcm,bcm2835-rng";
104			reg = <0x7e104000 0x10>;
105		};
106
107		mailbox: mailbox@7e00b800 {
108			compatible = "brcm,bcm2835-mbox";
109			reg = <0x7e00b880 0x40>;
110			interrupts = <0 1>;
111			#mbox-cells = <0>;
112		};
113
114		gpio: gpio@7e200000 {
115			compatible = "brcm,bcm2835-gpio";
116			reg = <0x7e200000 0xb4>;
117			/*
118			 * The GPIO IP block is designed for 3 banks of GPIOs.
119			 * Each bank has a GPIO interrupt for itself.
120			 * There is an overall "any bank" interrupt.
121			 * In order, these are GIC interrupts 17, 18, 19, 20.
122			 * Since the BCM2835 only has 2 banks, the 2nd bank
123			 * interrupt output appears to be mirrored onto the
124			 * 3rd bank's interrupt signal.
125			 * So, a bank0 interrupt shows up on 17, 20, and
126			 * a bank1 interrupt shows up on 18, 19, 20!
127			 */
128			interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
129
130			gpio-controller;
131			#gpio-cells = <2>;
132
133			interrupt-controller;
134			#interrupt-cells = <2>;
135		};
136
137		uart0: serial@7e201000 {
138			compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
139			reg = <0x7e201000 0x1000>;
140			interrupts = <2 25>;
141			clocks = <&clocks BCM2835_CLOCK_UART>,
142				 <&clocks BCM2835_CLOCK_VPU>;
143			clock-names = "uartclk", "apb_pclk";
144			arm,primecell-periphid = <0x00241011>;
145		};
146
147		i2s: i2s@7e203000 {
148			compatible = "brcm,bcm2835-i2s";
149			reg = <0x7e203000 0x20>,
150			      <0x7e101098 0x02>;
151
152			dmas = <&dma 2>,
153			       <&dma 3>;
154			dma-names = "tx", "rx";
155			status = "disabled";
156		};
157
158		spi: spi@7e204000 {
159			compatible = "brcm,bcm2835-spi";
160			reg = <0x7e204000 0x1000>;
161			interrupts = <2 22>;
162			clocks = <&clocks BCM2835_CLOCK_VPU>;
163			#address-cells = <1>;
164			#size-cells = <0>;
165			status = "disabled";
166		};
167
168		i2c0: i2c@7e205000 {
169			compatible = "brcm,bcm2835-i2c";
170			reg = <0x7e205000 0x1000>;
171			interrupts = <2 21>;
172			clocks = <&clocks BCM2835_CLOCK_VPU>;
173			#address-cells = <1>;
174			#size-cells = <0>;
175			status = "disabled";
176		};
177
178		pixelvalve@7e206000 {
179			compatible = "brcm,bcm2835-pixelvalve0";
180			reg = <0x7e206000 0x100>;
181			interrupts = <2 13>; /* pwa0 */
182		};
183
184		pixelvalve@7e207000 {
185			compatible = "brcm,bcm2835-pixelvalve1";
186			reg = <0x7e207000 0x100>;
187			interrupts = <2 14>; /* pwa1 */
188		};
189
190		aux: aux@0x7e215000 {
191			compatible = "brcm,bcm2835-aux";
192			#clock-cells = <1>;
193			reg = <0x7e215000 0x8>;
194			clocks = <&clocks BCM2835_CLOCK_VPU>;
195		};
196
197		uart1: serial@7e215040 {
198			compatible = "brcm,bcm2835-aux-uart";
199			reg = <0x7e215040 0x40>;
200			interrupts = <1 29>;
201			clocks = <&aux BCM2835_AUX_CLOCK_UART>;
202			status = "disabled";
203		};
204
205		spi1: spi@7e215080 {
206			compatible = "brcm,bcm2835-aux-spi";
207			reg = <0x7e215080 0x40>;
208			interrupts = <1 29>;
209			clocks = <&aux BCM2835_AUX_CLOCK_SPI1>;
210			#address-cells = <1>;
211			#size-cells = <0>;
212			status = "disabled";
213		};
214
215		spi2: spi@7e2150c0 {
216			compatible = "brcm,bcm2835-aux-spi";
217			reg = <0x7e2150c0 0x40>;
218			interrupts = <1 29>;
219			clocks = <&aux BCM2835_AUX_CLOCK_SPI2>;
220			#address-cells = <1>;
221			#size-cells = <0>;
222			status = "disabled";
223		};
224
225		pwm: pwm@7e20c000 {
226			compatible = "brcm,bcm2835-pwm";
227			reg = <0x7e20c000 0x28>;
228			clocks = <&clocks BCM2835_CLOCK_PWM>;
229			assigned-clocks = <&clocks BCM2835_CLOCK_PWM>;
230			assigned-clock-rates = <10000000>;
231			#pwm-cells = <2>;
232			status = "disabled";
233		};
234
235		sdhci: sdhci@7e300000 {
236			compatible = "brcm,bcm2835-sdhci";
237			reg = <0x7e300000 0x100>;
238			interrupts = <2 30>;
239			clocks = <&clocks BCM2835_CLOCK_EMMC>;
240			status = "disabled";
241		};
242
243		hvs@7e400000 {
244			compatible = "brcm,bcm2835-hvs";
245			reg = <0x7e400000 0x6000>;
246			interrupts = <2 1>;
247		};
248
249		i2c1: i2c@7e804000 {
250			compatible = "brcm,bcm2835-i2c";
251			reg = <0x7e804000 0x1000>;
252			interrupts = <2 21>;
253			clocks = <&clocks BCM2835_CLOCK_VPU>;
254			#address-cells = <1>;
255			#size-cells = <0>;
256			status = "disabled";
257		};
258
259		i2c2: i2c@7e805000 {
260			compatible = "brcm,bcm2835-i2c";
261			reg = <0x7e805000 0x1000>;
262			interrupts = <2 21>;
263			clocks = <&clocks BCM2835_CLOCK_VPU>;
264			#address-cells = <1>;
265			#size-cells = <0>;
266			status = "disabled";
267		};
268
269		pixelvalve@7e807000 {
270			compatible = "brcm,bcm2835-pixelvalve2";
271			reg = <0x7e807000 0x100>;
272			interrupts = <2 10>; /* pixelvalve */
273		};
274
275		hdmi: hdmi@7e902000 {
276			compatible = "brcm,bcm2835-hdmi";
277			reg = <0x7e902000 0x600>,
278			      <0x7e808000 0x100>;
279			interrupts = <2 8>, <2 9>;
280			ddc = <&i2c2>;
281			clocks = <&clocks BCM2835_PLLH_PIX>,
282				 <&clocks BCM2835_CLOCK_HSM>;
283			clock-names = "pixel", "hdmi";
284			status = "disabled";
285		};
286
287		usb: usb@7e980000 {
288			compatible = "brcm,bcm2835-usb";
289			reg = <0x7e980000 0x10000>;
290			interrupts = <1 9>;
291			#address-cells = <1>;
292			#size-cells = <0>;
293		};
294
295		v3d: v3d@7ec00000 {
296			compatible = "brcm,bcm2835-v3d";
297			reg = <0x7ec00000 0x1000>;
298			interrupts = <1 10>;
299		};
300
301		vc4: gpu {
302			compatible = "brcm,bcm2835-vc4";
303		};
304	};
305
306	clocks {
307		compatible = "simple-bus";
308		#address-cells = <1>;
309		#size-cells = <0>;
310
311		/* The oscillator is the root of the clock tree. */
312		clk_osc: clock@3 {
313			compatible = "fixed-clock";
314			reg = <3>;
315			#clock-cells = <0>;
316			clock-output-names = "osc";
317			clock-frequency = <19200000>;
318		};
319
320	};
321};
322
323#include "bcm283x-uboot.dtsi"
324