[PATCH v5 5/7] arm64: dts: rockchip: convert PCIe to use per-lane PHYs for rk3339
Shawn Lin
shawn.lin at rock-chips.com
Wed Jul 19 02:57:56 PDT 2017
Convert all RK3399 platforms to use per-lane PHY model in
order to save more power by idling the unused lane(s).
Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
Reviewed-by: Brian Norris <briannorris at chromium.org>
Tested-by: Jeffy Chen <jeffy.chen at rock-chips.com>
---
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
arch/arm64/boot/dts/rockchip/rk3399.dtsi | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 69c56f7..5b78ce1 100644
--- 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";
--
1.9.1
More information about the Linux-rockchip
mailing list