tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ARM: tegra: Add EMC OPP and ICC properties to Tegra30 EMC and ACTMON device-tree nodes
Add EMC OPP tables and interconnect paths that will be used for
dynamic memory bandwidth scaling based on memory utilization statistics.
Update board device-trees by removing unsupported EMC OPPs.
Note that ACTMON watches all memory interconnect paths, but we use a
single CPU-READ interconnect path for driving memory bandwidth, for
simplicity.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
authored by
Dmitry Osipenko
and committed by
Thierry Reding
881741fa
f5204ac4
+409
+12
arch/arm/boot/dts/tegra30-asus-nexus7-grouper-memory-timings.dtsi
+12
arch/arm/boot/dts/tegra30-asus-nexus7-grouper-memory-timings.dtsi
···
1563
1563
};
1564
1564
};
1565
1565
};
1566
+
1567
+
&emc_icc_dvfs_opp_table {
1568
+
/delete-node/ opp@750000000,1300;
1569
+
/delete-node/ opp@800000000,1300;
1570
+
/delete-node/ opp@900000000,1350;
1571
+
};
1572
+
1573
+
&emc_bw_dfs_opp_table {
1574
+
/delete-node/ opp@750000000;
1575
+
/delete-node/ opp@800000000;
1576
+
/delete-node/ opp@900000000;
1577
+
};
+8
arch/arm/boot/dts/tegra30-ouya.dts
+8
arch/arm/boot/dts/tegra30-ouya.dts
+383
arch/arm/boot/dts/tegra30-peripherals-opp.dtsi
+383
arch/arm/boot/dts/tegra30-peripherals-opp.dtsi
···
1
+
// SPDX-License-Identifier: GPL-2.0
2
+
3
+
/ {
4
+
emc_icc_dvfs_opp_table: emc-dvfs-opp-table {
5
+
compatible = "operating-points-v2";
6
+
7
+
opp@12750000,950 {
8
+
opp-microvolt = <950000 950000 1350000>;
9
+
opp-hz = /bits/ 64 <12750000>;
10
+
opp-supported-hw = <0x0006>;
11
+
};
12
+
13
+
opp@12750000,1000 {
14
+
opp-microvolt = <1000000 1000000 1350000>;
15
+
opp-hz = /bits/ 64 <12750000>;
16
+
opp-supported-hw = <0x0001>;
17
+
};
18
+
19
+
opp@12750000,1250 {
20
+
opp-microvolt = <1250000 1250000 1350000>;
21
+
opp-hz = /bits/ 64 <12750000>;
22
+
opp-supported-hw = <0x0008>;
23
+
};
24
+
25
+
opp@25500000,950 {
26
+
opp-microvolt = <950000 950000 1350000>;
27
+
opp-hz = /bits/ 64 <25500000>;
28
+
opp-supported-hw = <0x0006>;
29
+
};
30
+
31
+
opp@25500000,1000 {
32
+
opp-microvolt = <1000000 1000000 1350000>;
33
+
opp-hz = /bits/ 64 <25500000>;
34
+
opp-supported-hw = <0x0001>;
35
+
};
36
+
37
+
opp@25500000,1250 {
38
+
opp-microvolt = <1250000 1250000 1350000>;
39
+
opp-hz = /bits/ 64 <25500000>;
40
+
opp-supported-hw = <0x0008>;
41
+
};
42
+
43
+
opp@27000000,950 {
44
+
opp-microvolt = <950000 950000 1350000>;
45
+
opp-hz = /bits/ 64 <27000000>;
46
+
opp-supported-hw = <0x0006>;
47
+
};
48
+
49
+
opp@27000000,1000 {
50
+
opp-microvolt = <1000000 1000000 1350000>;
51
+
opp-hz = /bits/ 64 <27000000>;
52
+
opp-supported-hw = <0x0001>;
53
+
};
54
+
55
+
opp@27000000,1250 {
56
+
opp-microvolt = <1250000 1250000 1350000>;
57
+
opp-hz = /bits/ 64 <27000000>;
58
+
opp-supported-hw = <0x0008>;
59
+
};
60
+
61
+
opp@51000000,950 {
62
+
opp-microvolt = <950000 950000 1350000>;
63
+
opp-hz = /bits/ 64 <51000000>;
64
+
opp-supported-hw = <0x0006>;
65
+
};
66
+
67
+
opp@51000000,1000 {
68
+
opp-microvolt = <1000000 1000000 1350000>;
69
+
opp-hz = /bits/ 64 <51000000>;
70
+
opp-supported-hw = <0x0001>;
71
+
};
72
+
73
+
opp@51000000,1250 {
74
+
opp-microvolt = <1250000 1250000 1350000>;
75
+
opp-hz = /bits/ 64 <51000000>;
76
+
opp-supported-hw = <0x0008>;
77
+
};
78
+
79
+
opp@54000000,950 {
80
+
opp-microvolt = <950000 950000 1350000>;
81
+
opp-hz = /bits/ 64 <54000000>;
82
+
opp-supported-hw = <0x0006>;
83
+
};
84
+
85
+
opp@54000000,1000 {
86
+
opp-microvolt = <1000000 1000000 1350000>;
87
+
opp-hz = /bits/ 64 <54000000>;
88
+
opp-supported-hw = <0x0001>;
89
+
};
90
+
91
+
opp@54000000,1250 {
92
+
opp-microvolt = <1250000 1250000 1350000>;
93
+
opp-hz = /bits/ 64 <54000000>;
94
+
opp-supported-hw = <0x0008>;
95
+
};
96
+
97
+
opp@102000000,950 {
98
+
opp-microvolt = <950000 950000 1350000>;
99
+
opp-hz = /bits/ 64 <102000000>;
100
+
opp-supported-hw = <0x0006>;
101
+
};
102
+
103
+
opp@102000000,1000 {
104
+
opp-microvolt = <1000000 1000000 1350000>;
105
+
opp-hz = /bits/ 64 <102000000>;
106
+
opp-supported-hw = <0x0001>;
107
+
};
108
+
109
+
opp@102000000,1250 {
110
+
opp-microvolt = <1250000 1250000 1350000>;
111
+
opp-hz = /bits/ 64 <102000000>;
112
+
opp-supported-hw = <0x0008>;
113
+
};
114
+
115
+
opp@108000000,1000 {
116
+
opp-microvolt = <1000000 1000000 1350000>;
117
+
opp-hz = /bits/ 64 <108000000>;
118
+
opp-supported-hw = <0x0007>;
119
+
};
120
+
121
+
opp@108000000,1250 {
122
+
opp-microvolt = <1250000 1250000 1350000>;
123
+
opp-hz = /bits/ 64 <108000000>;
124
+
opp-supported-hw = <0x0008>;
125
+
};
126
+
127
+
opp@204000000,1000 {
128
+
opp-microvolt = <1000000 1000000 1350000>;
129
+
opp-hz = /bits/ 64 <204000000>;
130
+
opp-supported-hw = <0x0007>;
131
+
};
132
+
133
+
opp@204000000,1250 {
134
+
opp-microvolt = <1250000 1250000 1350000>;
135
+
opp-hz = /bits/ 64 <204000000>;
136
+
opp-supported-hw = <0x0008>;
137
+
};
138
+
139
+
opp@333500000,1000 {
140
+
opp-microvolt = <1000000 1000000 1350000>;
141
+
opp-hz = /bits/ 64 <333500000>;
142
+
opp-supported-hw = <0x0006>;
143
+
};
144
+
145
+
opp@333500000,1200 {
146
+
opp-microvolt = <1200000 1200000 1350000>;
147
+
opp-hz = /bits/ 64 <333500000>;
148
+
opp-supported-hw = <0x0001>;
149
+
};
150
+
151
+
opp@333500000,1250 {
152
+
opp-microvolt = <1250000 1250000 1350000>;
153
+
opp-hz = /bits/ 64 <333500000>;
154
+
opp-supported-hw = <0x0008>;
155
+
};
156
+
157
+
opp@375000000,1000 {
158
+
opp-microvolt = <1000000 1000000 1350000>;
159
+
opp-hz = /bits/ 64 <375000000>;
160
+
opp-supported-hw = <0x0006>;
161
+
};
162
+
163
+
opp@375000000,1200 {
164
+
opp-microvolt = <1200000 1200000 1350000>;
165
+
opp-hz = /bits/ 64 <375000000>;
166
+
opp-supported-hw = <0x0001>;
167
+
};
168
+
169
+
opp@375000000,1250 {
170
+
opp-microvolt = <1250000 1250000 1350000>;
171
+
opp-hz = /bits/ 64 <375000000>;
172
+
opp-supported-hw = <0x0008>;
173
+
};
174
+
175
+
opp@400000000,1000 {
176
+
opp-microvolt = <1000000 1000000 1350000>;
177
+
opp-hz = /bits/ 64 <400000000>;
178
+
opp-supported-hw = <0x0006>;
179
+
};
180
+
181
+
opp@400000000,1200 {
182
+
opp-microvolt = <1200000 1200000 1350000>;
183
+
opp-hz = /bits/ 64 <400000000>;
184
+
opp-supported-hw = <0x0001>;
185
+
};
186
+
187
+
opp@400000000,1250 {
188
+
opp-microvolt = <1250000 1250000 1350000>;
189
+
opp-hz = /bits/ 64 <400000000>;
190
+
opp-supported-hw = <0x0008>;
191
+
};
192
+
193
+
opp@416000000,1200 {
194
+
opp-microvolt = <1200000 1200000 1350000>;
195
+
opp-hz = /bits/ 64 <416000000>;
196
+
opp-supported-hw = <0x0007>;
197
+
};
198
+
199
+
opp@416000000,1250 {
200
+
opp-microvolt = <1250000 1250000 1350000>;
201
+
opp-hz = /bits/ 64 <416000000>;
202
+
opp-supported-hw = <0x0008>;
203
+
};
204
+
205
+
opp@450000000,1200 {
206
+
opp-microvolt = <1200000 1200000 1350000>;
207
+
opp-hz = /bits/ 64 <450000000>;
208
+
opp-supported-hw = <0x0007>;
209
+
};
210
+
211
+
opp@450000000,1250 {
212
+
opp-microvolt = <1250000 1250000 1350000>;
213
+
opp-hz = /bits/ 64 <450000000>;
214
+
opp-supported-hw = <0x0008>;
215
+
};
216
+
217
+
opp@533000000,1200 {
218
+
opp-microvolt = <1200000 1200000 1350000>;
219
+
opp-hz = /bits/ 64 <533000000>;
220
+
opp-supported-hw = <0x0007>;
221
+
};
222
+
223
+
opp@533000000,1250 {
224
+
opp-microvolt = <1250000 1250000 1350000>;
225
+
opp-hz = /bits/ 64 <533000000>;
226
+
opp-supported-hw = <0x0008>;
227
+
};
228
+
229
+
opp@625000000,1200 {
230
+
opp-microvolt = <1200000 1200000 1350000>;
231
+
opp-hz = /bits/ 64 <625000000>;
232
+
opp-supported-hw = <0x0006>;
233
+
};
234
+
235
+
opp@625000000,1250 {
236
+
opp-microvolt = <1250000 1250000 1350000>;
237
+
opp-hz = /bits/ 64 <625000000>;
238
+
opp-supported-hw = <0x0008>;
239
+
};
240
+
241
+
opp@667000000,1200 {
242
+
opp-microvolt = <1200000 1200000 1350000>;
243
+
opp-hz = /bits/ 64 <667000000>;
244
+
opp-supported-hw = <0x0006>;
245
+
};
246
+
247
+
opp@750000000,1300 {
248
+
opp-microvolt = <1300000 1300000 1350000>;
249
+
opp-hz = /bits/ 64 <750000000>;
250
+
opp-supported-hw = <0x0004>;
251
+
};
252
+
253
+
opp@800000000,1300 {
254
+
opp-microvolt = <1300000 1300000 1350000>;
255
+
opp-hz = /bits/ 64 <800000000>;
256
+
opp-supported-hw = <0x0004>;
257
+
};
258
+
259
+
opp@900000000,1350 {
260
+
opp-microvolt = <1350000 1350000 1350000>;
261
+
opp-hz = /bits/ 64 <900000000>;
262
+
opp-supported-hw = <0x0004>;
263
+
};
264
+
};
265
+
266
+
emc_bw_dfs_opp_table: emc-bandwidth-opp-table {
267
+
compatible = "operating-points-v2";
268
+
269
+
opp@12750000 {
270
+
opp-hz = /bits/ 64 <12750000>;
271
+
opp-supported-hw = <0x000F>;
272
+
opp-peak-kBps = <102000>;
273
+
};
274
+
275
+
opp@25500000 {
276
+
opp-hz = /bits/ 64 <25500000>;
277
+
opp-supported-hw = <0x000F>;
278
+
opp-peak-kBps = <204000>;
279
+
};
280
+
281
+
opp@27000000 {
282
+
opp-hz = /bits/ 64 <27000000>;
283
+
opp-supported-hw = <0x000F>;
284
+
opp-peak-kBps = <216000>;
285
+
};
286
+
287
+
opp@51000000 {
288
+
opp-hz = /bits/ 64 <51000000>;
289
+
opp-supported-hw = <0x000F>;
290
+
opp-peak-kBps = <408000>;
291
+
};
292
+
293
+
opp@54000000 {
294
+
opp-hz = /bits/ 64 <54000000>;
295
+
opp-supported-hw = <0x000F>;
296
+
opp-peak-kBps = <432000>;
297
+
};
298
+
299
+
opp@102000000 {
300
+
opp-hz = /bits/ 64 <102000000>;
301
+
opp-supported-hw = <0x000F>;
302
+
opp-peak-kBps = <816000>;
303
+
};
304
+
305
+
opp@108000000 {
306
+
opp-hz = /bits/ 64 <108000000>;
307
+
opp-supported-hw = <0x000F>;
308
+
opp-peak-kBps = <864000>;
309
+
};
310
+
311
+
opp@204000000 {
312
+
opp-hz = /bits/ 64 <204000000>;
313
+
opp-supported-hw = <0x000F>;
314
+
opp-peak-kBps = <1632000>;
315
+
};
316
+
317
+
opp@333500000 {
318
+
opp-hz = /bits/ 64 <333500000>;
319
+
opp-supported-hw = <0x000F>;
320
+
opp-peak-kBps = <2668000>;
321
+
};
322
+
323
+
opp@375000000 {
324
+
opp-hz = /bits/ 64 <375000000>;
325
+
opp-supported-hw = <0x000F>;
326
+
opp-peak-kBps = <3000000>;
327
+
};
328
+
329
+
opp@400000000 {
330
+
opp-hz = /bits/ 64 <400000000>;
331
+
opp-supported-hw = <0x000F>;
332
+
opp-peak-kBps = <3200000>;
333
+
};
334
+
335
+
opp@416000000 {
336
+
opp-hz = /bits/ 64 <416000000>;
337
+
opp-supported-hw = <0x000F>;
338
+
opp-peak-kBps = <3328000>;
339
+
};
340
+
341
+
opp@450000000 {
342
+
opp-hz = /bits/ 64 <450000000>;
343
+
opp-supported-hw = <0x000F>;
344
+
opp-peak-kBps = <3600000>;
345
+
};
346
+
347
+
opp@533000000 {
348
+
opp-hz = /bits/ 64 <533000000>;
349
+
opp-supported-hw = <0x000F>;
350
+
opp-peak-kBps = <4264000>;
351
+
};
352
+
353
+
opp@625000000 {
354
+
opp-hz = /bits/ 64 <625000000>;
355
+
opp-supported-hw = <0x000E>;
356
+
opp-peak-kBps = <5000000>;
357
+
};
358
+
359
+
opp@667000000 {
360
+
opp-hz = /bits/ 64 <667000000>;
361
+
opp-supported-hw = <0x0006>;
362
+
opp-peak-kBps = <5336000>;
363
+
};
364
+
365
+
opp@750000000 {
366
+
opp-hz = /bits/ 64 <750000000>;
367
+
opp-supported-hw = <0x0004>;
368
+
opp-peak-kBps = <6000000>;
369
+
};
370
+
371
+
opp@800000000 {
372
+
opp-hz = /bits/ 64 <800000000>;
373
+
opp-supported-hw = <0x0004>;
374
+
opp-peak-kBps = <6400000>;
375
+
};
376
+
377
+
opp@900000000 {
378
+
opp-hz = /bits/ 64 <900000000>;
379
+
opp-supported-hw = <0x0004>;
380
+
opp-peak-kBps = <7200000>;
381
+
};
382
+
};
383
+
};
+6
arch/arm/boot/dts/tegra30.dtsi
+6
arch/arm/boot/dts/tegra30.dtsi
···
6
6
#include <dt-bindings/interrupt-controller/arm-gic.h>
7
7
#include <dt-bindings/soc/tegra-pmc.h>
8
8
9
+
#include "tegra30-peripherals-opp.dtsi"
10
+
9
11
/ {
10
12
compatible = "nvidia,tegra30";
11
13
interrupt-parent = <&lic>;
···
419
417
clock-names = "actmon", "emc";
420
418
resets = <&tegra_car TEGRA30_CLK_ACTMON>;
421
419
reset-names = "actmon";
420
+
operating-points-v2 = <&emc_bw_dfs_opp_table>;
421
+
interconnects = <&mc TEGRA30_MC_MPCORER &emc>;
422
+
interconnect-names = "cpu-read";
422
423
};
423
424
424
425
gpio: gpio@6000d000 {
···
785
780
clocks = <&tegra_car TEGRA30_CLK_EMC>;
786
781
787
782
nvidia,memory-controller = <&mc>;
783
+
operating-points-v2 = <&emc_icc_dvfs_opp_table>;
788
784
789
785
#interconnect-cells = <0>;
790
786
};