[PATCH 1/2] pci: ftpci100: add clock bindings

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The Faraday FTPCI100 controller has two clock ports, PCLK and PCICLK.
We add bindings for these two clocks so we can assign them in the device
tree.

Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/pci/faraday,ftpci100.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/faraday,ftpci100.txt b/Documentation/devicetree/bindings/pci/faraday,ftpci100.txt
index 35d4a979bb7b..89a84f8aa621 100644
--- a/Documentation/devicetree/bindings/pci/faraday,ftpci100.txt
+++ b/Documentation/devicetree/bindings/pci/faraday,ftpci100.txt
@@ -30,6 +30,13 @@ Mandatory properties:
   128MB, 256MB, 512MB, 1GB or 2GB in size. The memory should be marked as
   pre-fetchable.
 
+Optional properties:
+- clocks: when present, this should contain the peripheral clock (PCLK) and the
+  PCI clock (PCICLK). If these are not present, they are assumed to be
+  hard-wired enabled and always on. The PCI clock will be 33 or 66 MHz.
+- clock-names: when present, this should contain "PCLK" for the peripheral
+  clock and "PCICLK" for the PCI-side clock.
+
 Mandatory subnodes:
 - For "faraday,ftpci100" a node representing the interrupt-controller inside the
   host bridge is mandatory. It has the following mandatory properties:
-- 
2.9.3

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