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ARM: dts: sun6i: Add GMAC clock node to the A31 dtsi

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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>
This commit is contained in:
Chen-Yu Tsai 2014-07-16 01:15:44 +08:00 committed by Maxime Ripard
parent ee39a3e308
commit ed29861ae8
1 changed files with 28 additions and 0 deletions
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28
arch/arm/boot/dts/sun6i-a31.dtsi
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@ -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 {