This is the 3rd attempt to support pci uart devices in the device tree with driver model. The v2 patch series is at [1].
With this series, pci uart now works on Intel Crown Bay with driver model. "dm tree" output below:
=> dm tree Class Probed Name ---------------------------------------- root [ + ] root_driver serial [ ] |-- serial rtc [ ] |-- rtc gpio [ ] |-- gpioa gpio [ ] |-- gpiob spi [ + ] |-- spi spi_flash [ ] | `-- spi-flash@0 pci [ + ] |-- pci pci [ + ] | |-- pcie@17,0 pci [ + ] | | `-- topcliff@0,0 serial [ ] | | |-- uart@a,1 serial [ ] | | |-- uart@a,2 serial [ + ] | | |-- uart@a,3 serial [ ] | | |-- uart@a,4 pci_generic [ ] | | |-- pci_2:0.0 pci_generic [ ] | | |-- pci_2:0.1 pci_generic [ ] | | |-- pci_2:0.2 pci_generic [ ] | | |-- pci_2:2.0 pci_generic [ ] | | |-- pci_2:2.1 pci_generic [ ] | | |-- pci_2:2.2 pci_generic [ ] | | |-- pci_2:2.3 pci_generic [ ] | | |-- pci_2:6.0 pci_generic [ ] | | |-- pci_2:8.0 pci_generic [ ] | | |-- pci_2:8.1 pci_generic [ ] | | |-- pci_2:8.2 pci_generic [ ] | | |-- pci_2:8.3 pci_generic [ ] | | |-- pci_2:a.0 pci_generic [ ] | | |-- pci_2:c.0 pci_generic [ ] | | |-- pci_2:c.2 pci_generic [ ] | | `-- pci_2:c.3 pci_generic [ ] | |-- pci_0:0.0 pci_generic [ ] | |-- pci_0:2.0 pci [ + ] | |-- pci_0:18.0 pci [ + ] | |-- pci_0:19.0 pci [ + ] | |-- pci_0:1a.0 pci_generic [ ] | |-- pci_0:1b.0 pci_generic [ ] | `-- pci_0:1f.0 simple_bus [ + ] `-- cpus cpu [ + ] |-- cpu@0 cpu [ + ] `-- cpu@1
[1] http://lists.denx.de/pipermail/u-boot/2015-August/224603.html
Changes in v3: - Rebase on u-boot-x86/master - Drop v2 patches which were already applied
Bin Meng (4): dm: pci: Optimize pci_uclass_post_bind() dm: core: Test dev->flags after device_probe() in device_probe_child() x86: crownbay: Support Topcliff integrated pci uart devices with driver model dm: pci: Document binding of pci device drivers
arch/x86/dts/crownbay.dts | 15 ++++++--- doc/driver-model/pci-info.txt | 71 +++++++++++++++++++++++++++++++++++++++++-- drivers/core/device.c | 8 +++++ drivers/pci/pci-uclass.c | 7 +++++ 4 files changed, 93 insertions(+), 8 deletions(-)