net: ethernet: ave: add support for phy-mode setting of system controller

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This patch adds support for specifying system controller that configures
phy-mode setting.

According to the DT property "phy-mode", it's necessary to configure the
controller, which is used to choose the settings of the MAC suitable,
for example, mdio pin connections, internal clocks, and so on.

Supported phy-modes are SoC-dependent. The driver allows phy-mode to set
"internal" if the SoC has a built-in PHY, and {"mii", "rmii", "rgmii"}
if the SoC supports each mode. So we have to check whether the phy-mode
is valid or not.

This adds the following features for each SoC:
- check whether the SoC supports the specified phy-mode
- configure the controller accroding to phy-mode

The DT property accepts one argument to distinguish them for multiple MAC
instances.

ethernet@65000000 {
	...
	socionext,syscon-phy-mode = <&soc_glue 0>;
};

ethernet@65200000 {
	...
	socionext,syscon-phy-mode = <&soc_glue 1>;
};

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Kunihiko Hayashi 2018-04-19 16:24:55 +09:00 • committed by David S. Miller

parent 74734306c2

commit 57878f2f46

2 changed files with 140 additions and 12 deletions

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2

drivers/net/ethernet/socionext/Kconfig

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150

drivers/net/ethernet/socionext/sni_ave.c

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