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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2018-05-03 22:40:54 +0300
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2018-05-04 10:21:15 +0100
commit517ca93a7159eb94eeef829f6ca036456050115c (patch)
tree4f0cd8ae38bd60274c06c901eced12e778804b0e /Documentation
parentbd7b6d147a14c308a0227852334e01723451c73c (diff)
PCI: rcar: Add R-Car gen3 PHY support
On R-Car gen3 SoCs the PCIe PHY has its own register region, thus we need to add the corresponding code in rcar_pcie_hw_init_gen3() and call devm_phy_optional_get() at the driver's probing time, so that the existing R-Car gen3 device trees (not having a PHY node) would still work (we only need to power up the PHY on R-Car V3H). Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> [lorenzo.pieralisi@arm.com: updated commit log] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/pci/rcar-pci.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/rcar-pci.txt b/Documentation/devicetree/bindings/pci/rcar-pci.txt
index 1fb614e615da..4376c69ea20a 100644
--- a/Documentation/devicetree/bindings/pci/rcar-pci.txt
+++ b/Documentation/devicetree/bindings/pci/rcar-pci.txt
@@ -32,6 +32,11 @@ compatible: "renesas,pcie-r8a7743" for the R8A7743 SoC;
and PCIe bus clocks.
- clock-names: from common clock binding: should be "pcie" and "pcie_bus".
+Optional properties:
+- phys: from common PHY binding: PHY phandle and specifier (only make sense
+ for R-Car gen3 SoCs where the PCIe PHYs have their own register blocks).
+- phy-names: from common PHY binding: should be "pcie".
+
Example:
SoC-specific DT Entry: