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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-21 19:26:34 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-21 19:26:34 +0300 |
commit | fe7ba289332e10215b8ea423a240f5d030bb4fb3 (patch) | |
tree | 62af14eaf48fdcdb3c25796fbe2f1019e6cc777d /Documentation/devicetree | |
parent | a9aa1908e224790e89f350cc26f21ae8d805869d (diff) | |
parent | b9c1153f7a9cb2d53b845615a0edd510f7fe8341 (diff) | |
download | linux-fe7ba289332e10215b8ea423a240f5d030bb4fb3.tar.xz |
Merge tag 'pci-v4.11-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Sorry this is so late. It's been in -next for over a week, but I
forgot to send it on until now.
A single fix to the DT binding of the HiSilicon PCIe host support"
* tag 'pci-v4.11-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: hisi: Fix DT binding (hisi-pcie-almost-ecam)
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/pci/hisilicon-pcie.txt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt index b7fa3b97986d..a339dbb15493 100644 --- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt +++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt @@ -44,13 +44,19 @@ Hip05 Example (note that Hip06 is the same except compatible): }; HiSilicon Hip06/Hip07 PCIe host bridge DT (almost-ECAM) description. + +Some BIOSes place the host controller in a mode where it is ECAM +compliant for all devices other than the root complex. In such cases, +the host controller should be described as below. + The properties and their meanings are identical to those described in host-generic-pci.txt except as listed below. Properties of the host controller node that differ from host-generic-pci.txt: -- compatible : Must be "hisilicon,pcie-almost-ecam" +- compatible : Must be "hisilicon,hip06-pcie-ecam", or + "hisilicon,hip07-pcie-ecam" - reg : Two entries: First the ECAM configuration space for any other bus underneath the root bus. Second, the base @@ -59,7 +65,7 @@ host-generic-pci.txt: Example: pcie0: pcie@a0090000 { - compatible = "hisilicon,pcie-almost-ecam"; + compatible = "hisilicon,hip06-pcie-ecam"; reg = <0 0xb0000000 0 0x2000000>, /* ECAM configuration space */ <0 0xa0090000 0 0x10000>; /* host bridge registers */ bus-range = <0 31>; |