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dt-bindings: PCI: qcom: Add support for IPQ8074 

Add support for the IPQ8074 PCIe controller.  IPQ8074 supports Gen 1/2, one
lane, two PCIe root complex with support for MSI and legacy interrupts, and
it conforms to PCI Express Base 2.1 specification.

Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Varadarajan Narayanan 2017-08-18 12:59:52 +05:30 committed by Bjorn Helgaas
parent deff11f884
commit 8baf0151cd
1 changed files with 23 additions and 0 deletions
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23
Documentation/devicetree/bindings/pci/qcom,pcie.txt
View File

@ -9,6 +9,7 @@
- "qcom,pcie-apq8084" for apq8084 - "qcom,pcie-apq8084" for apq8084
- "qcom,pcie-msm8996" for msm8996 or apq8096 - "qcom,pcie-msm8996" for msm8996 or apq8096
- "qcom,pcie-ipq4019" for ipq4019 - "qcom,pcie-ipq4019" for ipq4019
- "qcom,pcie-ipq8074" for ipq8074
- reg: - reg:
Usage: required Usage: required
@ -105,6 +106,16 @@
- "bus_master" Master AXI clock - "bus_master" Master AXI clock
- "bus_slave" Slave AXI clock - "bus_slave" Slave AXI clock
- clock-names:
Usage: required for ipq8074
Value type: <stringlist>
Definition: Should contain the following entries
- "iface" PCIe to SysNOC BIU clock
- "axi_m" AXI Master clock
- "axi_s" AXI Slave clock
- "ahb" AHB clock
- "aux" Auxiliary clock
- resets: - resets:
Usage: required Usage: required
Value type: <prop-encoded-array> Value type: <prop-encoded-array>
@ -144,6 +155,18 @@
- "ahb" AHB reset - "ahb" AHB reset
- "phy_ahb" PHY AHB reset - "phy_ahb" PHY AHB reset
- reset-names:
Usage: required for ipq8074
Value type: <stringlist>
Definition: Should contain the following entries
- "pipe" PIPE reset
- "sleep" Sleep reset
- "sticky" Core Sticky reset
- "axi_m" AXI Master reset
- "axi_s" AXI Slave reset
- "ahb" AHB Reset
- "axi_m_sticky" AXI Master Sticky reset
- power-domains: - power-domains:
Usage: required for apq8084 and msm8996/apq8096 Usage: required for apq8084 and msm8996/apq8096
Value type: <prop-encoded-array> Value type: <prop-encoded-array>