| 19 | static struct rt_bus spi_bus; |
| 20 | |
| 21 | void spi_bus_scan_devices(struct rt_spi_bus *bus) |
| 22 | { |
| 23 | #ifdef RT_USING_OFW |
| 24 | if (bus->parent.ofw_node) |
| 25 | { |
| 26 | struct rt_ofw_node *np = bus->parent.ofw_node, *spi_dev_np; |
| 27 | |
| 28 | rt_ofw_foreach_available_child_node(np, spi_dev_np) |
| 29 | { |
| 30 | struct rt_spi_device *spi_dev; |
| 31 | |
| 32 | if (!rt_ofw_prop_read_bool(spi_dev_np, "compatible")) |
| 33 | { |
| 34 | continue; |
| 35 | } |
| 36 | |
| 37 | if ((bus->mode & RT_SPI_BUS_MODE_SPI) == RT_SPI_BUS_MODE_SPI) |
| 38 | { |
| 39 | spi_dev = rt_calloc(1, sizeof(struct rt_spi_device)); |
| 40 | } |
| 41 | else if ((bus->mode & RT_SPI_BUS_MODE_QSPI) == RT_SPI_BUS_MODE_QSPI) |
| 42 | { |
| 43 | spi_dev = rt_calloc(1, sizeof(struct rt_qspi_device)); |
| 44 | } |
| 45 | else |
| 46 | { |
| 47 | LOG_E("Unknown bus mode = %x", bus->mode); |
| 48 | RT_ASSERT(0); |
| 49 | } |
| 50 | |
| 51 | if (!spi_dev) |
| 52 | { |
| 53 | rt_ofw_node_put(spi_dev_np); |
| 54 | LOG_E("Not memory to create spi device: %s", |
| 55 | rt_ofw_node_full_name(spi_dev_np)); |
| 56 | |
| 57 | return; |
| 58 | } |
| 59 | |
| 60 | spi_dev->parent.ofw_node = spi_dev_np; |
| 61 | spi_dev->parent.type = RT_Device_Class_Unknown; |
| 62 | spi_dev->name = rt_ofw_node_name(spi_dev_np); |
| 63 | spi_dev->bus = bus; |
| 64 | |
| 65 | rt_dm_dev_set_name(&spi_dev->parent, rt_ofw_node_full_name(spi_dev_np)); |
| 66 | |
| 67 | if (spi_device_ofw_parse(spi_dev)) |
| 68 | { |
| 69 | continue; |
| 70 | } |
| 71 | |
| 72 | rt_spi_device_register(spi_dev); |
| 73 | } |
| 74 | } |
| 75 | #endif /* RT_USING_OFW */ |
| 76 | } |
| 77 | |
| 78 | rt_err_t rt_spi_driver_register(struct rt_spi_driver *driver) |
no test coverage detected