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net: renesas: rswitch: add mdio C22 support

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The generic MPSM operation added by the previous patch can be used both
for C45 and C22.

Add handlers for C22 operations.

Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://patch.msgid.link/20241216071957.2587354-6-nikita.yoush@cogentembedded.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nikita Yushchenko 2024-12-16 12:19:57 +05:00 committed by Jakub Kicinski
parent 2aa722b6d8
commit db48fe905d
1 changed files with 19 additions and 0 deletions
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19
drivers/net/ethernet/renesas/rswitch.c
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@ -1253,6 +1253,23 @@ static int rswitch_etha_mii_write_c45(struct mii_bus *bus, int addr, int devad,
MPSM_POP_WRITE, val);
}
static int rswitch_etha_mii_read_c22(struct mii_bus *bus, int phyad, int regad)
{
struct rswitch_etha *etha = bus->priv;
return rswitch_etha_mpsm_op(etha, true, MPSM_MMF_C22, phyad, regad,
MPSM_POP_READ_C22, 0);
}
static int rswitch_etha_mii_write_c22(struct mii_bus *bus, int phyad,
int regad, u16 val)
{
struct rswitch_etha *etha = bus->priv;
return rswitch_etha_mpsm_op(etha, false, MPSM_MMF_C22, phyad, regad,
MPSM_POP_WRITE, val);
}
/* Call of_node_put(port) after done */
static struct device_node *rswitch_get_port_node(struct rswitch_device *rdev)
{
@ -1335,6 +1352,8 @@ static int rswitch_mii_register(struct rswitch_device *rdev)
mii_bus->priv = rdev->etha;
mii_bus->read_c45 = rswitch_etha_mii_read_c45;
mii_bus->write_c45 = rswitch_etha_mii_write_c45;
mii_bus->read = rswitch_etha_mii_read_c22;
mii_bus->write = rswitch_etha_mii_write_c22;
mii_bus->parent = &rdev->priv->pdev->dev;
mdio_np = of_get_child_by_name(rdev->np_port, "mdio");