arm64: dts: rockchip: convert PCIe to use per-lane PHYs for rk3339

Convert all RK3399 platforms to use per-lane PHY model in order to save
more power by idling unused lane(s).

Tested-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 69c56f7..5b78ce1 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -238,8 +238,10 @@
                linux,pci-domain = <0>;
                max-link-speed = <1>;
                msi-map = <0x0 &its 0x0 0x1000>;
-               phys = <&pcie_phy>;
-               phy-names = "pcie-phy";
+               phys = <&pcie_phy 0>, <&pcie_phy 1>,
+                      <&pcie_phy 2>, <&pcie_phy 3>;
+               phy-names = "pcie-phy-0", "pcie-phy-1",
+                           "pcie-phy-2", "pcie-phy-3";
                ranges = <0x83000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x1e00000
                          0x81000000 0x0 0xfbe00000 0x0 0xfbe00000 0x0 0x100000>;
                resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
@@ -1295,7 +1297,7 @@
                        compatible = "rockchip,rk3399-pcie-phy";
                        clocks = <&cru SCLK_PCIEPHY_REF>;
                        clock-names = "refclk";
-                       #phy-cells = <0>;
+                       #phy-cells = <1>;
                        resets = <&cru SRST_PCIEPHY>;
                        reset-names = "phy";
                        status = "disabled";