Tegra XHCI controler can be placed in ELPG (Engine Level PowerGated) state for power saving when all of the connected USB devices are in suspended state. This patch series includes clk, phy and pmc changes that are required for properly place controller in ELPG and bring controller out of ELPG. JC Kuo (12): clk: tegra: Add PLLE HW power sequencer control clk: tegra: don't enable PLLE HW sequencer at init phy: tegra: xusb: t210: rearrange UPHY init phy: tegra: xusb: t210: add lane_iddq operations phy: tegra: xusb: add sleepwalk and suspend/resume soc/tegra: pmc: provide usb sleepwalk register map arm64: tegra210: XUSB PADCTL add "nvidia,pmc" prop phy: tegra: xusb: t210: support wake and sleepwalk phy: tegra: xusb: t186: support wake and sleepwalk arm64: tegra210/tegra186/tegra194: XUSB PADCTL irq usb: host: xhci-tegra: unlink power domain devices xhci: tegra: enable ELPG for runtime/system PM arch/arm64/boot/dts/nvidia/tegra186.dtsi | 1 + arch/arm64/boot/dts/nvidia/tegra194.dtsi | 1 + arch/arm64/boot/dts/nvidia/tegra210.dtsi | 2 + drivers/clk/tegra/clk-pll.c | 12 - drivers/clk/tegra/clk-tegra210.c | 51 + drivers/phy/tegra/xusb-tegra186.c | 656 ++++++++ drivers/phy/tegra/xusb-tegra210.c | 1953 +++++++++++++++++----- drivers/phy/tegra/xusb.c | 86 +- drivers/phy/tegra/xusb.h | 23 +- drivers/soc/tegra/pmc.c | 89 + drivers/usb/host/xhci-tegra.c | 577 +++++-- include/linux/clk/tegra.h | 2 + include/linux/phy/tegra/xusb.h | 13 + 13 files changed, 2957 insertions(+), 509 deletions(-) -- 2.25.1
