Commit db48fe90 authored by Nikita Yushchenko's avatar Nikita Yushchenko Committed by Jakub Kicinski
Browse files

net: renesas: rswitch: add mdio C22 support 



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: default avatarNikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://patch.msgid.link/20241216071957.2587354-6-nikita.yoush@cogentembedded.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2aa722b6

drivers/net/ethernet/renesas/rswitch.c

+19 −0
Original line number Diff line number Diff line
@@ -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");