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| author | Chen-Yu Tsai <wens@csie.org> | 2014-07-16 01:15:43 +0800 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2014-07-18 22:35:56 +0200 |
| commit | ee39a3e308a418a3ff8a911335ae56fc321e3dfc (patch) | |
| tree | e7d63d64120a991e7c1a138b2f3ac5edd9074613 /arch/arm/boot/dts/sun6i-a31.dtsi | |
| parent | df02dd828c4ef2311c7c271f2c95384fc555961b (diff) | |
| download | blackbird-op-linux-ee39a3e308a418a3ff8a911335ae56fc321e3dfc.tar.gz blackbird-op-linux-ee39a3e308a418a3ff8a911335ae56fc321e3dfc.zip | |
ARM: dts: sun6i: Add pin muxing options for GMAC
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 <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm/boot/dts/sun6i-a31.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/sun6i-a31.dtsi | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi index baf8eff57610..47e143aa82fe 100644 --- a/arch/arm/boot/dts/sun6i-a31.dtsi +++ b/arch/arm/boot/dts/sun6i-a31.dtsi @@ -467,6 +467,48 @@ allwinner,drive = <2>; 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 { |
