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- From 8d0afa1a93be2da954c85392bbc7b2264c9d241c Mon Sep 17 00:00:00 2001
- From: Ray Jui <rjui@broadcom.com>
- Date: Tue, 15 Sep 2015 17:39:20 -0700
- Subject: [PATCH 145/147] PCI: iproc: Update PCIe device tree bindings
- Update the device tree bindings with added support for outbound mapping
- configurations.
- Signed-off-by: Ray Jui <rjui@broadcom.com>
- Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
- ---
- .../devicetree/bindings/pci/brcm,iproc-pcie.txt | 20 ++++++++++++++++++++
- 1 file changed, 20 insertions(+)
- --- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
- +++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
- @@ -17,6 +17,21 @@ Optional properties:
- - phys: phandle of the PCIe PHY device
- - phy-names: must be "pcie-phy"
-
- +- brcm,pcie-ob: Some iProc SoCs do not have the outbound address mapping done
- +by the ASIC after power on reset. In this case, SW needs to configure it
- +
- +If the brcm,pcie-ob property is present, the following properties become
- +effective:
- +
- +Required:
- +- brcm,pcie-ob-axi-offset: The offset from the AXI address to the internal
- +address used by the iProc PCIe core (not the PCIe address)
- +- brcm,pcie-ob-window-size: The outbound address mapping window size (in MB)
- +
- +Optional:
- +- brcm,pcie-ob-oarr-size: Some iProc SoCs need the OARR size bit to be set to
- +increase the outbound window size
- +
- Example:
- pcie0: pcie@18012000 {
- compatible = "brcm,iproc-pcie";
- @@ -38,6 +53,11 @@ Example:
-
- phys = <&phy 0 5>;
- phy-names = "pcie-phy";
- +
- + brcm,pcie-ob;
- + brcm,pcie-ob-oarr-size;
- + brcm,pcie-ob-axi-offset = <0x00000000>;
- + brcm,pcie-ob-window-size = <256>;
- };
-
- pcie1: pcie@18013000 {
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