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1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Xilinx ML510 Reference Design support
4  *
5  * This DTS file was created for the ml510_bsb1_pcores_ppc440 reference design.
6  * The reference design contains a bug which prevent PCI DMA from working
7  * properly.  A description of the bug is given in the plbv46_pci section. It
8  * needs to be fixed by the user until Xilinx updates their reference design.
9  *
10  * Copyright 2009, Roderick Colenbrander
11  */
12
13 /dts-v1/;
14 / {
15         #address-cells = <1>;
16         #size-cells = <1>;
17         compatible = "xlnx,ml510-ref-design", "xlnx,virtex440";
18         dcr-parent = <&ppc440_0>;
19         DDR2_SDRAM_DIMM0: memory@0 {
20                 device_type = "memory";
21                 reg = < 0x0 0x20000000 >;
22         } ;
23         alias {
24                 ethernet0 = &Hard_Ethernet_MAC;
25                 serial0 = &RS232_Uart_1;
26         } ;
27         chosen {
28                 bootargs = "console=ttyS0 root=/dev/ram";
29                 stdout-path = "/plb@0/serial@83e00000";
30         } ;
31         cpus {
32                 #address-cells = <1>;
33                 #cpus = <0x1>;
34                 #size-cells = <0>;
35                 ppc440_0: cpu@0 {
36                         #address-cells = <1>;
37                         #size-cells = <1>;
38                         clock-frequency = <300000000>;
39                         compatible = "PowerPC,440", "ibm,ppc440";
40                         d-cache-line-size = <0x20>;
41                         d-cache-size = <0x8000>;
42                         dcr-access-method = "native";
43                         dcr-controller ;
44                         device_type = "cpu";
45                         i-cache-line-size = <0x20>;
46                         i-cache-size = <0x8000>;
47                         model = "PowerPC,440";
48                         reg = <0>;
49                         timebase-frequency = <300000000>;
50                         xlnx,apu-control = <0x2000>;
51                         xlnx,apu-udi-0 = <0x0>;
52                         xlnx,apu-udi-1 = <0x0>;
53                         xlnx,apu-udi-10 = <0x0>;
54                         xlnx,apu-udi-11 = <0x0>;
55                         xlnx,apu-udi-12 = <0x0>;
56                         xlnx,apu-udi-13 = <0x0>;
57                         xlnx,apu-udi-14 = <0x0>;
58                         xlnx,apu-udi-15 = <0x0>;
59                         xlnx,apu-udi-2 = <0x0>;
60                         xlnx,apu-udi-3 = <0x0>;
61                         xlnx,apu-udi-4 = <0x0>;
62                         xlnx,apu-udi-5 = <0x0>;
63                         xlnx,apu-udi-6 = <0x0>;
64                         xlnx,apu-udi-7 = <0x0>;
65                         xlnx,apu-udi-8 = <0x0>;
66                         xlnx,apu-udi-9 = <0x0>;
67                         xlnx,dcr-autolock-enable = <0x1>;
68                         xlnx,dcu-rd-ld-cache-plb-prio = <0x0>;
69                         xlnx,dcu-rd-noncache-plb-prio = <0x0>;
70                         xlnx,dcu-rd-touch-plb-prio = <0x0>;
71                         xlnx,dcu-rd-urgent-plb-prio = <0x0>;
72                         xlnx,dcu-wr-flush-plb-prio = <0x0>;
73                         xlnx,dcu-wr-store-plb-prio = <0x0>;
74                         xlnx,dcu-wr-urgent-plb-prio = <0x0>;
75                         xlnx,dma0-control = <0x0>;
76                         xlnx,dma0-plb-prio = <0x0>;
77                         xlnx,dma0-rxchannelctrl = <0x1010000>;
78                         xlnx,dma0-rxirqtimer = <0x3ff>;
79                         xlnx,dma0-txchannelctrl = <0x1010000>;
80                         xlnx,dma0-txirqtimer = <0x3ff>;
81                         xlnx,dma1-control = <0x0>;
82                         xlnx,dma1-plb-prio = <0x0>;
83                         xlnx,dma1-rxchannelctrl = <0x1010000>;
84                         xlnx,dma1-rxirqtimer = <0x3ff>;
85                         xlnx,dma1-txchannelctrl = <0x1010000>;
86                         xlnx,dma1-txirqtimer = <0x3ff>;
87                         xlnx,dma2-control = <0x0>;
88                         xlnx,dma2-plb-prio = <0x0>;
89                         xlnx,dma2-rxchannelctrl = <0x1010000>;
90                         xlnx,dma2-rxirqtimer = <0x3ff>;
91                         xlnx,dma2-txchannelctrl = <0x1010000>;
92                         xlnx,dma2-txirqtimer = <0x3ff>;
93                         xlnx,dma3-control = <0x0>;
94                         xlnx,dma3-plb-prio = <0x0>;
95                         xlnx,dma3-rxchannelctrl = <0x1010000>;
96                         xlnx,dma3-rxirqtimer = <0x3ff>;
97                         xlnx,dma3-txchannelctrl = <0x1010000>;
98                         xlnx,dma3-txirqtimer = <0x3ff>;
99                         xlnx,endian-reset = <0x0>;
100                         xlnx,generate-plb-timespecs = <0x1>;
101                         xlnx,icu-rd-fetch-plb-prio = <0x0>;
102                         xlnx,icu-rd-spec-plb-prio = <0x0>;
103                         xlnx,icu-rd-touch-plb-prio = <0x0>;
104                         xlnx,interconnect-imask = <0xffffffff>;
105                         xlnx,mplb-allow-lock-xfer = <0x1>;
106                         xlnx,mplb-arb-mode = <0x0>;
107                         xlnx,mplb-awidth = <0x20>;
108                         xlnx,mplb-counter = <0x500>;
109                         xlnx,mplb-dwidth = <0x80>;
110                         xlnx,mplb-max-burst = <0x8>;
111                         xlnx,mplb-native-dwidth = <0x80>;
112                         xlnx,mplb-p2p = <0x0>;
113                         xlnx,mplb-prio-dcur = <0x2>;
114                         xlnx,mplb-prio-dcuw = <0x3>;
115                         xlnx,mplb-prio-icu = <0x4>;
116                         xlnx,mplb-prio-splb0 = <0x1>;
117                         xlnx,mplb-prio-splb1 = <0x0>;
118                         xlnx,mplb-read-pipe-enable = <0x1>;
119                         xlnx,mplb-sync-tattribute = <0x0>;
120                         xlnx,mplb-wdog-enable = <0x1>;
121                         xlnx,mplb-write-pipe-enable = <0x1>;
122                         xlnx,mplb-write-post-enable = <0x1>;
123                         xlnx,num-dma = <0x0>;
124                         xlnx,pir = <0xf>;
125                         xlnx,ppc440mc-addr-base = <0x0>;
126                         xlnx,ppc440mc-addr-high = <0x1fffffff>;
127                         xlnx,ppc440mc-arb-mode = <0x0>;
128                         xlnx,ppc440mc-bank-conflict-mask = <0x1800000>;
129                         xlnx,ppc440mc-control = <0xf810008f>;
130                         xlnx,ppc440mc-max-burst = <0x8>;
131                         xlnx,ppc440mc-prio-dcur = <0x2>;
132                         xlnx,ppc440mc-prio-dcuw = <0x3>;
133                         xlnx,ppc440mc-prio-icu = <0x4>;
134                         xlnx,ppc440mc-prio-splb0 = <0x1>;
135                         xlnx,ppc440mc-prio-splb1 = <0x0>;
136                         xlnx,ppc440mc-row-conflict-mask = <0x7ffe00>;
137                         xlnx,ppcdm-asyncmode = <0x0>;
138                         xlnx,ppcds-asyncmode = <0x0>;
139                         xlnx,user-reset = <0x0>;
140                 } ;
141         } ;
142         plb_v46_0: plb@0 {
143                 #address-cells = <1>;
144                 #size-cells = <1>;
145                 compatible = "xlnx,plb-v46-1.03.a", "simple-bus";
146                 ranges ;
147                 FLASH: flash@fc000000 {
148                         bank-width = <2>;
149                         compatible = "xlnx,xps-mch-emc-2.00.a", "cfi-flash";
150                         reg = < 0xfc000000 0x2000000 >;
151                         xlnx,family = "virtex5";
152                         xlnx,include-datawidth-matching-0 = <0x1>;
153                         xlnx,include-datawidth-matching-1 = <0x0>;
154                         xlnx,include-datawidth-matching-2 = <0x0>;
155                         xlnx,include-datawidth-matching-3 = <0x0>;
156                         xlnx,include-negedge-ioregs = <0x0>;
157                         xlnx,include-plb-ipif = <0x1>;
158                         xlnx,include-wrbuf = <0x1>;
159                         xlnx,max-mem-width = <0x10>;
160                         xlnx,mch-native-dwidth = <0x20>;
161                         xlnx,mch-plb-clk-period-ps = <0x2710>;
162                         xlnx,mch-splb-awidth = <0x20>;
163                         xlnx,mch0-accessbuf-depth = <0x10>;
164                         xlnx,mch0-protocol = <0x0>;
165                         xlnx,mch0-rddatabuf-depth = <0x10>;
166                         xlnx,mch1-accessbuf-depth = <0x10>;
167                         xlnx,mch1-protocol = <0x0>;
168                         xlnx,mch1-rddatabuf-depth = <0x10>;
169                         xlnx,mch2-accessbuf-depth = <0x10>;
170                         xlnx,mch2-protocol = <0x0>;
171                         xlnx,mch2-rddatabuf-depth = <0x10>;
172                         xlnx,mch3-accessbuf-depth = <0x10>;
173                         xlnx,mch3-protocol = <0x0>;
174                         xlnx,mch3-rddatabuf-depth = <0x10>;
175                         xlnx,mem0-width = <0x10>;
176                         xlnx,mem1-width = <0x20>;
177                         xlnx,mem2-width = <0x20>;
178                         xlnx,mem3-width = <0x20>;
179                         xlnx,num-banks-mem = <0x1>;
180                         xlnx,num-channels = <0x2>;
181                         xlnx,priority-mode = <0x0>;
182                         xlnx,synch-mem-0 = <0x0>;
183                         xlnx,synch-mem-1 = <0x0>;
184                         xlnx,synch-mem-2 = <0x0>;
185                         xlnx,synch-mem-3 = <0x0>;
186                         xlnx,synch-pipedelay-0 = <0x2>;
187                         xlnx,synch-pipedelay-1 = <0x2>;
188                         xlnx,synch-pipedelay-2 = <0x2>;
189                         xlnx,synch-pipedelay-3 = <0x2>;
190                         xlnx,tavdv-ps-mem-0 = <0x1adb0>;
191                         xlnx,tavdv-ps-mem-1 = <0x3a98>;
192                         xlnx,tavdv-ps-mem-2 = <0x3a98>;
193                         xlnx,tavdv-ps-mem-3 = <0x3a98>;
194                         xlnx,tcedv-ps-mem-0 = <0x1adb0>;
195                         xlnx,tcedv-ps-mem-1 = <0x3a98>;
196                         xlnx,tcedv-ps-mem-2 = <0x3a98>;
197                         xlnx,tcedv-ps-mem-3 = <0x3a98>;
198                         xlnx,thzce-ps-mem-0 = <0x88b8>;
199                         xlnx,thzce-ps-mem-1 = <0x1b58>;
200                         xlnx,thzce-ps-mem-2 = <0x1b58>;
201                         xlnx,thzce-ps-mem-3 = <0x1b58>;
202                         xlnx,thzoe-ps-mem-0 = <0x1b58>;
203                         xlnx,thzoe-ps-mem-1 = <0x1b58>;
204                         xlnx,thzoe-ps-mem-2 = <0x1b58>;
205                         xlnx,thzoe-ps-mem-3 = <0x1b58>;
206                         xlnx,tlzwe-ps-mem-0 = <0x88b8>;
207                         xlnx,tlzwe-ps-mem-1 = <0x0>;
208                         xlnx,tlzwe-ps-mem-2 = <0x0>;
209                         xlnx,tlzwe-ps-mem-3 = <0x0>;
210                         xlnx,twc-ps-mem-0 = <0x1adb0>;
211                         xlnx,twc-ps-mem-1 = <0x3a98>;
212                         xlnx,twc-ps-mem-2 = <0x3a98>;
213                         xlnx,twc-ps-mem-3 = <0x3a98>;
214                         xlnx,twp-ps-mem-0 = <0x11170>;
215                         xlnx,twp-ps-mem-1 = <0x2ee0>;
216                         xlnx,twp-ps-mem-2 = <0x2ee0>;
217                         xlnx,twp-ps-mem-3 = <0x2ee0>;
218                         xlnx,xcl0-linesize = <0x4>;
219                         xlnx,xcl0-writexfer = <0x1>;
220                         xlnx,xcl1-linesize = <0x4>;
221                         xlnx,xcl1-writexfer = <0x1>;
222                         xlnx,xcl2-linesize = <0x4>;
223                         xlnx,xcl2-writexfer = <0x1>;
224                         xlnx,xcl3-linesize = <0x4>;
225                         xlnx,xcl3-writexfer = <0x1>;
226                 } ;
227                 Hard_Ethernet_MAC: xps-ll-temac@81c00000 {
228                         #address-cells = <1>;
229                         #size-cells = <1>;
230                         compatible = "xlnx,compound";
231                         ethernet@81c00000 {
232                                 compatible = "xlnx,xps-ll-temac-1.01.b";
233                                 device_type = "network";
234                                 interrupt-parent = <&xps_intc_0>;
235                                 interrupts = < 8 2 >;
236                                 llink-connected = <&Hard_Ethernet_MAC_fifo>;
237                                 local-mac-address = [ 02 00 00 00 00 00 ];
238                                 reg = < 0x81c00000 0x40 >;
239                                 xlnx,bus2core-clk-ratio = <0x1>;
240                                 xlnx,phy-type = <0x3>;
241                                 xlnx,phyaddr = <0x1>;
242                                 xlnx,rxcsum = <0x0>;
243                                 xlnx,rxfifo = <0x8000>;
244                                 xlnx,temac-type = <0x0>;
245                                 xlnx,txcsum = <0x0>;
246                                 xlnx,txfifo = <0x8000>;
247                         } ;
248                 } ;
249                 Hard_Ethernet_MAC_fifo: xps-ll-fifo@81a00000 {
250                         compatible = "xlnx,xps-ll-fifo-1.01.a";
251                         interrupt-parent = <&xps_intc_0>;
252                         interrupts = < 6 2 >;
253                         reg = < 0x81a00000 0x10000 >;
254                         xlnx,family = "virtex5";
255                 } ;
256                 IIC_EEPROM: i2c@81600000 {
257                         compatible = "xlnx,xps-iic-2.00.a";
258                         interrupt-parent = <&xps_intc_0>;
259                         interrupts = < 9 2 >;
260                         reg = < 0x81600000 0x10000 >;
261                         xlnx,clk-freq = <0x5f5e100>;
262                         xlnx,family = "virtex5";
263                         xlnx,gpo-width = <0x1>;
264                         xlnx,iic-freq = <0x186a0>;
265                         xlnx,scl-inertial-delay = <0x5>;
266                         xlnx,sda-inertial-delay = <0x5>;
267                         xlnx,ten-bit-adr = <0x0>;
268                 } ;
269                 LCD_OPTIONAL: gpio@81420000 {
270                         compatible = "xlnx,xps-gpio-1.00.a";
271                         reg = < 0x81420000 0x10000 >;
272                         xlnx,all-inputs = <0x0>;
273                         xlnx,all-inputs-2 = <0x0>;
274                         xlnx,dout-default = <0x0>;
275                         xlnx,dout-default-2 = <0x0>;
276                         xlnx,family = "virtex5";
277                         xlnx,gpio-width = <0xb>;
278                         xlnx,interrupt-present = <0x0>;
279                         xlnx,is-bidir = <0x1>;
280                         xlnx,is-bidir-2 = <0x1>;
281                         xlnx,is-dual = <0x0>;
282                         xlnx,tri-default = <0xffffffff>;
283                         xlnx,tri-default-2 = <0xffffffff>;
284                 } ;
285                 LEDs_4Bit: gpio@81400000 {
286                         compatible = "xlnx,xps-gpio-1.00.a";
287                         reg = < 0x81400000 0x10000 >;
288                         xlnx,all-inputs = <0x0>;
289                         xlnx,all-inputs-2 = <0x0>;
290                         xlnx,dout-default = <0x0>;
291                         xlnx,dout-default-2 = <0x0>;
292                         xlnx,family = "virtex5";
293                         xlnx,gpio-width = <0x4>;
294                         xlnx,interrupt-present = <0x0>;
295                         xlnx,is-bidir = <0x1>;
296                         xlnx,is-bidir-2 = <0x1>;
297                         xlnx,is-dual = <0x0>;
298                         xlnx,tri-default = <0xffffffff>;
299                         xlnx,tri-default-2 = <0xffffffff>;
300                 } ;
301                 RS232_Uart_1: serial@83e00000 {
302                         clock-frequency = <100000000>;
303                         compatible = "xlnx,xps-uart16550-2.00.b", "ns16550";
304                         current-speed = <9600>;
305                         device_type = "serial";
306                         interrupt-parent = <&xps_intc_0>;
307                         interrupts = < 11 2 >;
308                         reg = < 0x83e00000 0x10000 >;
309                         reg-offset = <0x1003>;
310                         reg-shift = <2>;
311                         xlnx,family = "virtex5";
312                         xlnx,has-external-rclk = <0x0>;
313                         xlnx,has-external-xin = <0x0>;
314                         xlnx,is-a-16550 = <0x1>;
315                 } ;
316                 SPI_EEPROM: xps-spi@feff8000 {
317                         compatible = "xlnx,xps-spi-2.00.b";
318                         interrupt-parent = <&xps_intc_0>;
319                         interrupts = < 10 2 >;
320                         reg = < 0xfeff8000 0x80 >;
321                         xlnx,family = "virtex5";
322                         xlnx,fifo-exist = <0x1>;
323                         xlnx,num-ss-bits = <0x1>;
324                         xlnx,num-transfer-bits = <0x8>;
325                         xlnx,sck-ratio = <0x80>;
326                 } ;
327                 SysACE_CompactFlash: sysace@83600000 {
328                         compatible = "xlnx,xps-sysace-1.00.a";
329                         interrupt-parent = <&xps_intc_0>;
330                         interrupts = < 7 2 >;
331                         reg = < 0x83600000 0x10000 >;
332                         xlnx,family = "virtex5";
333                         xlnx,mem-width = <0x10>;
334                 } ;
335                 plbv46_pci_0: plbv46-pci@85e00000 {
336                         #size-cells = <2>;
337                         #address-cells = <3>;
338                         compatible = "xlnx,plbv46-pci-1.03.a";
339                         device_type = "pci";
340                         reg = < 0x85e00000 0x10000 >;
341
342                         /*
343                          * The default ML510 BSB has C_IPIFBAR2PCIBAR_0 set to
344                          * 0 which means that a read/write to the memory mapped
345                          * i/o region (which starts at 0xa0000000) for pci
346                          * bar 0 on the plb side translates to 0.
347                          * It is important to set this value to 0xa0000000, so
348                          * that inbound and outbound pci transactions work
349                          * properly including DMA.
350                          */
351                         ranges = <0x02000000 0 0xa0000000 0xa0000000 0 0x20000000
352                                   0x01000000 0 0x00000000 0xf0000000 0 0x00010000>;
353
354                         #interrupt-cells = <1>;
355                         interrupt-parent = <&xps_intc_0>;
356                         interrupt-map-mask = <0xff00 0x0 0x0 0x7>;
357                         interrupt-map = <
358                                 /* IRQ mapping for pci slots and ALI M1533
359                                  * periperhals. In total there are 5 interrupt
360                                  * lines connected to a xps_intc controller.
361                                  * Four of them are PCI IRQ A, B, C, D and
362                                  * which correspond to respectively xpx_intc
363                                  * 5, 4, 3 and 2.  The fifth interrupt line is
364                                  * connected to the south bridge and this one
365                                  * uses irq 1 and is active high instead of
366                                  * active low.
367                                  *
368                                  * The M1533 contains various peripherals
369                                  * including AC97 audio, a modem, USB, IDE and
370                                  * some power management stuff. The modem
371                                  * isn't connected on the ML510 and the power
372                                  * management core also isn't used.
373                                  */
374
375                                 /* IDSEL 0x16 / dev=6, bus=0 / PCI slot 3 */
376                                 0x3000 0 0 1 &xps_intc_0 3 2
377                                 0x3000 0 0 2 &xps_intc_0 2 2
378                                 0x3000 0 0 3 &xps_intc_0 5 2
379                                 0x3000 0 0 4 &xps_intc_0 4 2
380
381                                 /* IDSEL 0x13 / dev=3, bus=1 / PCI slot 4 */
382                                 /*
383                                 0x11800 0 0 1 &xps_intc_0 5 0 2
384                                 0x11800 0 0 2 &xps_intc_0 4 0 2
385                                 0x11800 0 0 3 &xps_intc_0 3 0 2
386                                 0x11800 0 0 4 &xps_intc_0 2 0 2
387                                 */
388
389                                 /* According to the datasheet + schematic
390                                  * ABCD [FPGA] of slot 5 is mapped to DABC.
391                                  * Testing showed that at least A maps to B,
392                                  * the mapping of the other pins is a guess
393                                  * and for that reason the lines have been
394                                  * commented out.
395                                  */
396                                 /* IDSEL 0x15 / dev=5, bus=0 / PCI slot 5 */
397                                 0x2800 0 0 1 &xps_intc_0 4 2
398                                 /*
399                                 0x2800 0 0 2 &xps_intc_0 3 2
400                                 0x2800 0 0 3 &xps_intc_0 2 2
401                                 0x2800 0 0 4 &xps_intc_0 5 2
402                                 */
403
404                                 /* IDSEL 0x12 / dev=2, bus=1 / PCI slot 6 */
405                                 /*
406                                 0x11000 0 0 1 &xps_intc_0 4 0 2
407                                 0x11000 0 0 2 &xps_intc_0 3 0 2
408                                 0x11000 0 0 3 &xps_intc_0 2 0 2
409                                 0x11000 0 0 4 &xps_intc_0 5 0 2
410                                 */
411
412                                 /* IDSEL 0x11 / dev=1, bus=0 / AC97 audio */
413                                 0x0800 0 0 1 &i8259 7 2
414
415                                 /* IDSEL 0x1b / dev=11, bus=0 / IDE */
416                                 0x5800 0 0 1 &i8259 14 2
417
418                                 /* IDSEL 0x1f / dev 15, bus=0 / 2x USB 1.1 */
419                                 0x7800 0 0 1 &i8259 7 2
420                         >;
421                         ali_m1533 {
422                                 #size-cells = <1>;
423                                 #address-cells = <2>;
424                                 i8259: interrupt-controller@20 {
425                                         reg = <1 0x20 2
426                                                         1 0xa0 2
427                                                         1 0x4d0 2>;
428                                         interrupt-controller;
429                                         device_type = "interrupt-controller";
430                                         #address-cells = <0>;
431                                         #interrupt-cells = <2>;
432                                         compatible = "chrp,iic";
433
434                                         /* south bridge irq is active high */
435                                         interrupts = <1 3>;
436                                         interrupt-parent = <&xps_intc_0>;
437                                 };
438                         };
439                 } ;
440                 xps_bram_if_cntlr_1: xps-bram-if-cntlr@ffff0000 {
441                         compatible = "xlnx,xps-bram-if-cntlr-1.00.a";
442                         reg = < 0xffff0000 0x10000 >;
443                         xlnx,family = "virtex5";
444                 } ;
445                 xps_intc_0: interrupt-controller@81800000 {
446                         #interrupt-cells = <0x2>;
447                         compatible = "xlnx,xps-intc-1.00.a";
448                         interrupt-controller ;
449                         reg = < 0x81800000 0x10000 >;
450                         xlnx,num-intr-inputs = <0xc>;
451                 } ;
452                 xps_tft_0: tft@86e00000 {
453                         compatible = "xlnx,xps-tft-1.00.a";
454                         reg = < 0x86e00000 0x10000 >;
455                         xlnx,dcr-splb-slave-if = <0x1>;
456                         xlnx,default-tft-base-addr = <0x0>;
457                         xlnx,family = "virtex5";
458                         xlnx,i2c-slave-addr = <0x76>;
459                         xlnx,mplb-awidth = <0x20>;
460                         xlnx,mplb-dwidth = <0x80>;
461                         xlnx,mplb-native-dwidth = <0x40>;
462                         xlnx,mplb-smallest-slave = <0x20>;
463                         xlnx,tft-interface = <0x1>;
464                 } ;
465         } ;
466 }  ;