| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Edge TPU device tree source |
| * |
| * Copyright 2021 Google,LLC |
| * |
| */ |
| |
| / { |
| /* TPU */ |
| edgetpu: janeiro@1CE00000 { |
| compatible = "google,darwinn"; |
| #dma-address-cells = <1>; |
| #dma-size-cells = <1>; |
| /* TPU uses regions under 0x18000000 for special purpose */ |
| dma-window = <0x18000000 0xE7FFF000>; |
| reg = <0x0 0x1CE00000 0x200000 |
| 0x0 0x1CCF0000 0x10000>; |
| reg-names = "tpu", "ssmt"; |
| interrupts = <0 IRQ_MAILBOX_TPU2AP_NS_TPU_0_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_1_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_2_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_3_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_4_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_5_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_6_TPU IRQ_TYPE_LEVEL_HIGH>, |
| <0 IRQ_MAILBOX_TPU2AP_NS_TPU_7_TPU IRQ_TYPE_LEVEL_HIGH>; |
| /* TODO(b/195608852): Enable coherency */ |
| iommus = <&sysmmu_tpu>; |
| samsung,iommu-group = <&iommu_group_tpu>; |
| status = "okay"; |
| memory-region = <&tpu_fw_reserved>, <&tpu_fw_ctx_reserved>; |
| edgetpu,shareability = <0x1cc20000>; |
| gsa-device = <&gsa>; |
| tpu_dvfs_table_size = <7 2>; /*<row col>*/ |
| /* |
| * DVFS values calculated from average power with real-world workloads |
| */ |
| tpu_dvfs_table = < |
| /* when updating tpu_dvfs_table, update tpu_dvfs_table_size as well |
| * freq power(mW) |
| *---------------------------------- |
| * TODO(b/192394098): update these with more accurate numbers for PRO |
| */ |
| 1066000 4420 |
| 967000 4101 |
| 845000 2578 |
| 712000 1982 |
| 627000 1749 |
| 455000 1277 |
| 226000 0 |
| >; |
| }; |
| tpu_cooling: tpu-cooling { |
| #cooling-cells = <2>; |
| }; |
| }; |
