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net: phy: broadcom: Add PTP support for some Broadcom PHYs.

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This adds PTP support for BCM54210E Broadcom PHYs, in particular,
the BCM54213PE, as used in the Rasperry PI CM4.  It has only been
tested on that hardware.

Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jonathan Lemon
2022-06-21 22:04:53 -07:00
committed by Jakub Kicinski
parent 15acf89e12
commit 39db6be781
3 changed files with 724 additions and 0 deletions
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5
drivers/net/phy/Kconfig
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@@ -104,6 +104,8 @@ config AX88796B_PHY
config BROADCOM_PHY
tristate "Broadcom 54XX PHYs"
select BCM_NET_PHYLIB
select BCM_NET_PHYPTP if NETWORK_PHY_TIMESTAMPING
depends on PTP_1588_CLOCK_OPTIONAL
help
Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464,
BCM5481, BCM54810 and BCM5482 PHYs.
@@ -160,6 +162,9 @@ config BCM_CYGNUS_PHY
config BCM_NET_PHYLIB
tristate
config BCM_NET_PHYPTP
tristate
config CICADA_PHY
tristate "Cicada PHYs"
help

1
drivers/net/phy/Makefile
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@@ -47,6 +47,7 @@ obj-$(CONFIG_BCM84881_PHY) += bcm84881.o
obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
obj-$(CONFIG_BCM_CYGNUS_PHY) += bcm-cygnus.o
obj-$(CONFIG_BCM_NET_PHYLIB) += bcm-phy-lib.o
obj-$(CONFIG_BCM_NET_PHYPTP) += bcm-phy-ptp.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_CICADA_PHY) += cicada.o
obj-$(CONFIG_CORTINA_PHY) += cortina.o

718
drivers/net/phy/bcm-phy-ptp.c Normal file
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