dt-bindings: PCI: qcom: Add ext reset

Document ext reset used in ipq8064 SoC by qcom PCIe driver.

Link: https://lore.kernel.org/r/20200615210608.21469-6-ansuelsmth@gmail.com
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
index becdbdc..6efcef0 100644 (file)
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
@@ -179,6 +179,7 @@
                        - "pwr"                 PWR reset
                        - "ahb"                 AHB reset
                        - "phy_ahb"             PHY AHB reset
+                       - "ext"                 EXT reset
 
 - reset-names:
        Usage: required for ipq8074
@@ -287,8 +288,9 @@
                         <&gcc PCIE_HCLK_RESET>,
                         <&gcc PCIE_POR_RESET>,
                         <&gcc PCIE_PCI_RESET>,
-                        <&gcc PCIE_PHY_RESET>;
-               reset-names = "axi", "ahb", "por", "pci", "phy";
+                        <&gcc PCIE_PHY_RESET>,
+                        <&gcc PCIE_EXT_RESET>;
+               reset-names = "axi", "ahb", "por", "pci", "phy", "ext";
                pinctrl-0 = <&pcie_pins_default>;
                pinctrl-names = "default";
        };