diff options
Diffstat (limited to 'drivers/net/pcs/pcs-rzn1-miic.c')
| -rw-r--r-- | drivers/net/pcs/pcs-rzn1-miic.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c index f2da79591119..61944574d087 100644 --- a/drivers/net/pcs/pcs-rzn1-miic.c +++ b/drivers/net/pcs/pcs-rzn1-miic.c @@ -268,8 +268,7 @@ static void miic_link_up(struct phylink_pcs *pcs, unsigned int neg_mode, (MIIC_CONVCTRL_CONV_SPEED | MIIC_CONVCTRL_FULLD), val); } -static int miic_validate(struct phylink_pcs *pcs, unsigned int mode, - unsigned long *supported, +static int miic_validate(struct phylink_pcs *pcs, unsigned long *supported, const struct phylink_link_state *state) { if (phy_interface_mode_is_rgmii(state->interface) || @@ -280,10 +279,38 @@ static int miic_validate(struct phylink_pcs *pcs, unsigned int mode, return -EINVAL; } +static int miic_pre_init(struct phylink_pcs *pcs) +{ + struct miic_port *miic_port = phylink_pcs_to_miic_port(pcs); + struct miic *miic = miic_port->miic; + u32 val, mask; + + /* Start RX clock if required */ + if (pcs->rxc_always_on) { + /* In MII through mode, the clock signals will be driven by the + * external PHY, which might not be initialized yet. Set RMII + * as default mode to ensure that a reference clock signal is + * generated. + */ + miic_port->interface = PHY_INTERFACE_MODE_RMII; + + val = FIELD_PREP(MIIC_CONVCTRL_CONV_MODE, CONV_MODE_RMII) | + FIELD_PREP(MIIC_CONVCTRL_CONV_SPEED, CONV_MODE_100MBPS); + mask = MIIC_CONVCTRL_CONV_MODE | MIIC_CONVCTRL_CONV_SPEED; + + miic_reg_rmw(miic, MIIC_CONVCTRL(miic_port->port), mask, val); + + miic_converter_enable(miic, miic_port->port, 1); + } + + return 0; +} + static const struct phylink_pcs_ops miic_phylink_ops = { .pcs_validate = miic_validate, .pcs_config = miic_config, .pcs_link_up = miic_link_up, + .pcs_pre_init = miic_pre_init, }; struct phylink_pcs *miic_create(struct device *dev, struct device_node *np) @@ -525,7 +552,7 @@ static struct platform_driver miic_driver = { .of_match_table = miic_of_mtable, }, .probe = miic_probe, - .remove_new = miic_remove, + .remove = miic_remove, }; module_platform_driver(miic_driver); |