diff options
author | Chen-Yu Tsai <wens@csie.org> | 2014-07-15 17:15:44 (GMT) |
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committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2014-07-18 20:36:29 (GMT) |
commit | ed29861ae87953e0d559baaf9d225e8f8a8ff19a (patch) | |
tree | a22a7a8498d3c8eb2db4b7281a22136907324fa9 /arch | |
parent | ee39a3e308a418a3ff8a911335ae56fc321e3dfc (diff) | |
download | linux-ed29861ae87953e0d559baaf9d225e8f8a8ff19a.tar.xz |
ARM: dts: sun6i: Add GMAC clock node to the A31 dtsi
The GMAC uses 1 of 2 sources for its transmit clock, depending on the
PHY interface mode. Add both sources as dummy clocks, and as parents
to the GMAC clock node.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boot/dts/sun6i-a31.dtsi | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi index 47e143a..b78a5aa 100644 --- a/arch/arm/boot/dts/sun6i-a31.dtsi +++ b/arch/arm/boot/dts/sun6i-a31.dtsi @@ -281,6 +281,34 @@ "usb_ohci0", "usb_ohci1", "usb_ohci2"; }; + + /* + * The following two are dummy clocks, placeholders used in the gmac_tx + * clock. The gmac driver will choose one parent depending on the PHY + * interface mode, using clk_set_rate auto-reparenting. + * The actual TX clock rate is not controlled by the gmac_tx clock. + */ + mii_phy_tx_clk: clk@1 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; + clock-output-names = "mii_phy_tx"; + }; + + gmac_int_tx_clk: clk@2 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <125000000>; + clock-output-names = "gmac_int_tx"; + }; + + gmac_tx_clk: clk@01c200d0 { + #clock-cells = <0>; + compatible = "allwinner,sun7i-a20-gmac-clk"; + reg = <0x01c200d0 0x4>; + clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>; + clock-output-names = "gmac_tx"; + }; }; soc@01c00000 { |