diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/designware-pcie.txt | 2 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 26 |
2 files changed, 18 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index d5d26d443693..d6fae13ff062 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -19,6 +19,8 @@ Required properties: to define the mapping of the PCIe interface to interrupt numbers. - num-lanes: number of lanes to use + +Optional properties: - reset-gpio: gpio pin number of power good signal Optional properties for fsl,imx6q-pcie diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt index 6b7510775c50..24cee06915c9 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt @@ -42,14 +42,19 @@ Required properties: - 0xc2000000: prefetchable memory region Please refer to the standard PCI bus binding document for a more detailed explanation. -- clocks: List of clock inputs of the controller. Must contain an entry for - each entry in the clock-names property. +- clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. - clock-names: Must include the following entries: - "pex": The Tegra clock of that name - "afi": The Tegra clock of that name - "pcie_xclk": The Tegra clock of that name - "pll_e": The Tegra clock of that name - "cml": The Tegra clock of that name (not required for Tegra20) + - pex + - afi + - pll_e + - cml (not required for Tegra20) +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the following entries: + - pex + - afi + - pcie_x Root ports are defined as subnodes of the PCIe controller node. @@ -91,9 +96,10 @@ SoC DTSI: 0x82000000 0 0xa0000000 0xa0000000 0 0x10000000 /* non-prefetchable memory */ 0xc2000000 0 0xb0000000 0xb0000000 0 0x10000000>; /* prefetchable memory */ - clocks = <&tegra_car 70>, <&tegra_car 72>, <&tegra_car 74>, - <&tegra_car 118>; - clock-names = "pex", "afi", "pcie_xclk", "pll_e"; + clocks = <&tegra_car 70>, <&tegra_car 72>, <&tegra_car 118>; + clock-names = "pex", "afi", "pll_e"; + resets = <&tegra_car 70>, <&tegra_car 72>, <&tegra_car 74>; + reset-names = "pex", "afi", "pcie_x"; status = "disabled"; pci@1,0 { |