The A31 SoC has a GMAC gigabit ethernet controller supporting MII, GMII, RGMII modes. Add pin muxing options for these modes.
Signed-off-by: Chen-Yu Tsai <w...@csie.org> --- arch/arm/boot/dts/sun6i-a31.dtsi | 42 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi index 42f310a..4d2a2bf 100644 --- a/arch/arm/boot/dts/sun6i-a31.dtsi +++ b/arch/arm/boot/dts/sun6i-a31.dtsi @@ -257,6 +257,48 @@ allwinner,drive = <0>; allwinner,pull = <0>; }; + + gmac_pins_mii_a: gmac_mii@0 { + allwinner,pins = "PA0", "PA1", "PA2", "PA3", + "PA8", "PA9", "PA11", + "PA12", "PA13", "PA14", "PA19", + "PA20", "PA21", "PA22", "PA23", + "PA24", "PA26", "PA27"; + allwinner,function = "gmac"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; + + gmac_pins_gmii_a: gmac_gmii@0 { + allwinner,pins = "PA0", "PA1", "PA2", "PA3", + "PA4", "PA5", "PA6", "PA7", + "PA8", "PA9", "PA10", "PA11", + "PA12", "PA13", "PA14", "PA15", + "PA16", "PA17", "PA18", "PA19", + "PA20", "PA21", "PA22", "PA23", + "PA24", "PA25", "PA26", "PA27"; + allwinner,function = "gmac"; + /* + * data lines in GMII mode run at 125MHz and + * might need a higher signal drive strength + */ + allwinner,drive = <2>; + allwinner,pull = <0>; + }; + + gmac_pins_rgmii_a: gmac_rgmii@0 { + allwinner,pins = "PA0", "PA1", "PA2", "PA3", + "PA9", "PA10", "PA11", + "PA12", "PA13", "PA14", "PA19", + "PA20", "PA25", "PA26", "PA27"; + allwinner,function = "gmac"; + /* + * data lines in RGMII mode use DDR mode + * and need a higher signal drive strength + */ + allwinner,drive = <3>; + allwinner,pull = <0>; + }; }; ahb1_rst: reset@01c202c0 { -- 1.9.0 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.