adafruit-mirror/zephyr
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 9

drivers: pcie_ep: iproc: enable based on device tree specs

Browse source 
There are use cases for the pcie_ep driver where we don't
necessarily need the dma functionality. Added ifdef's around
the dma functionality so that it's only available if we
specify the dma engines in the device tree similar to

```
dmas = <&pl330 0>, <&pl330 1>;
dma-names = "txdma", "rxdma";
```

Signed-off-by: Tarun Karuturi <tkaruturi@meta.com>
Signed-off-by: Chris Friedt <cfriedt@meta.com>
This commit is contained in:
Tarun Karuturi 2023-04-26 09:39:33 -04:00 committed by Christopher Friedt
parent e745439c40
commit 9d95f69a87
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/pcie/endpoint/pcie_ep_iproc.c
View file

@ -477,9 +477,11 @@ static struct iproc_pcie_ep_config iproc_pcie_ep_config_0 = {
.map_low_size = DT_INST_REG_SIZE_BY_NAME(0, map_lowmem),
.map_high_base = DT_INST_REG_ADDR_BY_NAME(0, map_highmem),
.map_high_size = DT_INST_REG_SIZE_BY_NAME(0, map_highmem),
#if DT_INST_NODE_HAS_PROP(0, dmas)
.pl330_dev = DEVICE_DT_GET(DT_INST_DMAS_CTLR_BY_IDX(0, 0)),
.pl330_tx_chan_id = DT_INST_DMAS_CELL_BY_NAME(0, txdma, channel),
.pl330_rx_chan_id = DT_INST_DMAS_CELL_BY_NAME(0, rxdma, channel),
#endif
};
static struct pcie_ep_driver_api iproc_pcie_ep_api = {
@ -489,7 +491,9 @@ static struct pcie_ep_driver_api iproc_pcie_ep_api = {
.unmap_addr = iproc_pcie_unmap_addr,
.raise_irq = iproc_pcie_raise_irq,
.register_reset_cb = iproc_pcie_register_reset_cb,
#if DT_INST_NODE_HAS_PROP(0, dmas)
.dma_xfer = iproc_pcie_pl330_dma_xfer,
#endif
};
DEVICE_DT_INST_DEFINE(0, &iproc_pcie_ep_init, NULL,