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Commit ed29861a authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Maxime Ripard
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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: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent ee39a3e3
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+28 −0
Original line number Diff line number Diff line
@@ -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 {