linux/drivers/phy
Sean Anderson a46f5faa60 phy: zynqmp: Enable reference clock correctly
commit 687d6bccb2 upstream.

Lanes can use other lanes' reference clocks, as determined by refclk.
Use refclk to determine the clock to enable/disable instead of always
using the lane's own reference clock. This ensures the clock selected in
xpsgtr_configure_pll is the one enabled.

For the other half of the equation, always program REF_CLK_SEL even when
we are selecting the lane's own clock. This ensures that Linux's idea of
the reference clock matches the hardware. We use the "local" clock mux
for this instead of going through the ref clock network.

Fixes: 25d7008335 ("phy: xilinx: phy-zynqmp: dynamic clock support for power-save")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://lore.kernel.org/r/20240628205540.3098010-2-sean.anderson@linux.dev
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-09-04 13:23:42 +02:00
..
allwinner
amlogic
broadcom
cadence phy: cadence-torrent: Check return value on register read 2024-08-19 05:45:23 +02:00
freescale
hisilicon phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe() 2023-08-03 10:22:34 +02:00
ingenic
intel
lantiq
marvell
mediatek
microchip
motorola phy: mapphone-mdm6600: Fix pinctrl_pm handling for sleep pins 2023-10-25 11:59:03 +02:00
mscc
qualcomm phy: qcom-snps-femto-v2: use qcom_snps_hsphy_suspend/resume error code 2023-09-19 12:22:26 +02:00
ralink
renesas phy: renesas: rcar-gen3-usb2: Fix returning wrong error code 2024-02-23 08:54:56 +01:00
rockchip phy/rockchip: inno-hdmi: do not power on rk3328 post pll on reg write 2023-09-19 12:22:48 +02:00
samsung
socionext
st phy: st: miphy28lp: use _poll_timeout functions for waits 2023-05-24 17:36:48 +01:00
tegra phy: tegra: xusb: Add API to retrieve the port number of phy 2024-04-10 16:18:40 +02:00
ti phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP 2024-02-23 08:54:56 +01:00
xilinx phy: zynqmp: Enable reference clock correctly 2024-09-04 13:23:42 +02:00
Kconfig
Makefile
phy-can-transceiver.c phy: phy-can-transceiver: Skip warning if no "max-bitrate" 2023-02-01 08:27:13 +01:00
phy-core-mipi-dphy.c
phy-core.c
phy-lgm-usb.c
phy-lpc18xx-usb-otg.c
phy-pistachio-usb.c
phy-xgene.c