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17822d5d18
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We are slowly getting to the point where the mdio driver will be
carved out from the ethernet driver. Since the beginning it had
the feature to hand out SFP serdes as phys. So one can access
them from the phy driver. This will be kept during the final
migration and it even will provide a consistent interface for the
phy/serdes registers.
With this being done we need to identify how to handle the affected
ports in a generic way for all targets. Doing first things first,
this starts with a consistent DTS. Currently we have:
for RTL838x + Zyxel XGS1210:
phy-mode = "1000base-x"
managed = "in-band-status"
phy-handle = ...
for all other RTL93x devices:
phy-mode = "10gbase-r"
managed = "in-band-status"
pseudo-phy-handle = ...
Looking at the phylink kernel code one can see a nifty detail.
There is dynamic phy bringup depending on the mode.
int phylink_fwnode_phy_connect(struct phylink *pl,
const struct fwnode_handle *fwnode,
u32 flags)
{
struct fwnode_handle *phy_fwnode;
struct phy_device *phy_dev;
int ret;
/* Fixed links and 802.3z are handled without needing a PHY */
if (pl->cfg_link_an_mode == MLO_AN_FIXED ||
(pl->cfg_link_an_mode == MLO_AN_INBAND &&
phy_interface_mode_is_8023z(pl->link_interface)))
return 0;
...
}
Where 802.3z means 1000base-x or 2500base-x. Aligning this with
IEEE specs it means essentially:
- 10gbase-r defined ports with phy-handle must statically bring up
a phylink from the beginning that immediately depends on a
phy read_status() implementation.
- 1000base-x/2500base-x defined ports will dynamically bringup a
phylink during link detection regardless of a phy-handle. So
it usually runs at the moment when a SFP has been plugged in.
We currently still rely on a phy-handle but do not want to bring
up the phy immediately. Commit
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| .. | ||
| rtl83xx_d-link_dgs-1210_common.dtsi | ||
| rtl83xx_d-link_dgs-1210_gpio.dtsi | ||
| rtl83xx_d-link_dgs-1210_gpio_sfp.dtsi | ||
| rtl83xx_hpe_1920.dtsi | ||
| rtl83xx_panasonic_mxxeg-pn28xx0k.dtsi | ||
| rtl838x.dtsi | ||
| rtl839x.dtsi | ||
| rtl930x.dtsi | ||
| rtl931x.dtsi | ||
| rtl8380_d-link_dgs-1210-10mp-f.dts | ||
| rtl8380_engenius_ews2910p-v1.dts | ||
| rtl8380_engenius_ews2910p-v3.dts | ||
| rtl8380_engenius_ews2910p.dtsi | ||
| rtl8380_hpe_1920-8g-poe-65w.dts | ||
| rtl8380_hpe_1920-8g-poe-180w.dts | ||
| rtl8380_hpe_1920-8g.dts | ||
| rtl8380_hpe_1920-8g.dtsi | ||
| rtl8380_linksys_lgs310c.dts | ||
| rtl8380_netgear_gigabit.dtsi | ||
| rtl8380_netgear_gs108t-v3.dts | ||
| rtl8380_netgear_gs110tpp-v1.dts | ||
| rtl8380_netgear_gs110tup-v1.dts | ||
| rtl8380_netgear_gs308t-v1.dts | ||
| rtl8380_netgear_gs310tp-v1.dts | ||
| rtl8380_panasonic_m8eg-pn28080k.dts | ||
| rtl8380_tplink_sg2xxx.dtsi | ||
| rtl8380_tplink_sg2008p-v1.dts | ||
| rtl8380_tplink_sg2210p-v3.dts | ||
| rtl8380_zyxel_gs1900-8-v1.dts | ||
| rtl8380_zyxel_gs1900-8-v2.dts | ||
| rtl8380_zyxel_gs1900-8hp-v1.dts | ||
| rtl8380_zyxel_gs1900-8hp-v2.dts | ||
| rtl8380_zyxel_gs1900-10hp.dts | ||
| rtl8380_zyxel_gs1900.dtsi | ||
| rtl8380_zyxel_gs1900_gpio.dtsi | ||
| rtl8380_zyxel_gs1900_gpio_emulated.dtsi | ||
| rtl8382_allnet_all-sg8208m.dts | ||
| rtl8382_apresia_aplgs120gtss.dts | ||
| rtl8382_d-link_dgs-1210-10p.dts | ||
| rtl8382_d-link_dgs-1210-16.dts | ||
| rtl8382_d-link_dgs-1210-20.dts | ||
| rtl8382_d-link_dgs-1210-26.dts | ||
| rtl8382_d-link_dgs-1210-28.dts | ||
| rtl8382_d-link_dgs-1210-28_common.dtsi | ||
| rtl8382_d-link_dgs-1210-28mp-f.dts | ||
| rtl8382_d-link_dgs-1210-28p-f.dts | ||
| rtl8382_d-link_dgs-1210-28p_common.dtsi | ||
| rtl8382_hpe_1920-16g.dts | ||
| rtl8382_hpe_1920-24g-poe-180w.dts | ||
| rtl8382_hpe_1920-24g-poe-370w.dts | ||
| rtl8382_hpe_1920-24g.dts | ||
| rtl8382_hpe_1920-24g.dtsi | ||
| rtl8382_hpe_1920.dtsi | ||
| rtl8382_inaba_aml2-17gp.dts | ||
| rtl8382_iodata_bsh-g24mb.dts | ||
| rtl8382_panasonic_m16eg-pn28160k.dts | ||
| rtl8382_panasonic_m24eg-pn28240k.dts | ||
| rtl8382_tplink_t1600g-28ts-v3.dts | ||
| rtl8382_zyxel_gs1900-16.dts | ||
| rtl8382_zyxel_gs1900-24-v1.dts | ||
| rtl8382_zyxel_gs1900-24e.dts | ||
| rtl8382_zyxel_gs1900-24ep.dts | ||
| rtl8382_zyxel_gs1900-24hp-v1.dts | ||
| rtl8382_zyxel_gs1900-24hp-v2.dts | ||
| rtl8393_d-link_dgs-1210-52.dts | ||
| rtl8393_hpe_1920-48g-poe.dts | ||
| rtl8393_hpe_1920-48g.dts | ||
| rtl8393_hpe_1920.dtsi | ||
| rtl8393_netgear_gs750e.dts | ||
| rtl8393_panasonic_m48eg-pn28480k.dts | ||
| rtl8393_tplink_sg2452p-v4.dts | ||
| rtl8393_zyxel_gs1900-48.dts | ||
| rtl9302_zyxel_xgs1210-12.dts | ||
| rtl9302_zyxel_xgs1250-12.dts | ||
| rtl9303_hasivo_s1100w-8xgt-se.dts | ||
| rtl9303_tplink_tl-st1008f_v2.dts | ||
| rtl9303_vimin_vm-s100-0800ms.dts | ||
| rtl9303_xikestor_sks8300-8x.dts | ||