On Sat, 2019-05-11 at 19:06 +0200, Martin Blumenstingl wrote:
> Hi Jerome,
>
> On Fri, May 10, 2019 at 6:49 PM Jerome Brunet <jbrunet@xxxxxxxxxxxx> wrote:
> > Add the ethernet pinctrl settings for RMII, RGMII and internal phy leds
> >
> > Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 37 +++++++++++++++++++++
> > 1 file changed, 37 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
> > index a32db09809f7..fe0f73730525 100644
> > --- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
> > +++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
> > @@ -206,6 +206,43 @@
> > };
> > };
> >
> > + eth_leds_pins: eth-leds {
> > + mux {
> > + groups = "eth_link_led",
> > + "eth_act_led";
> > + function = "eth";
> > + bias-disable;
> > + };
> > + };
> > +
> > + eth_rmii_pins: eth-rmii {
> > + mux {
> > + groups = "eth_mdio",
> > + "eth_mdc",
> > + "eth_rgmii_rx_clk",
> > + "eth_rx_dv",
> > + "eth_rxd0",
> > + "eth_rxd1",
> > + "eth_txen",
> > + "eth_txd0",
> > + "eth_txd1";
> > + function = "eth";
> > + bias-disable;
> > + };
> > + };
> > +
> > + eth_rgmii_pins: eth-rgmii {
> > + mux {
> > + groups = "eth_rxd2_rgmii",
> > + "eth_rxd3_rgmii",
> > + "eth_rgmii_tx_clk",
> > + "eth_txd2_rgmii",
> > + "eth_txd3_rgmii";
> > + function = "eth";
> > + bias-disable;
> > + };
> > + };
> it seems that the group definition is incomplete (missing things like
> eth_mdc, eth_rx_dv, ...)
>
> we could also mix the eth_rmii_pins and eth_rgmii_pins in a board.dts
> (maybe that was your idea in the first place?):
yes that's the idea
> phy-mode = "rgmii";
> pinctrl-0 = <ð_rmii_pins>, <ð_rgmii_pins>;
> pinctrl-names = "default";
> however, in this case I would prefer if "eth_rmii_pins" was named only
> "eth_pins" (following mostly what Amlogic does with the pin group
> naming: eth_* for pins that are valid in both, rmii and rgmii mode and
> eth*rgmii* for pins that are only valid in rgmii mode)
I can't say I share your preference. I let Kevin decide what he wants.
>
>
> Regards
> Martin
