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ARM: dts: sun9i: Add GMAC clock node

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The A80 has the same DWMAC hardware as on earlier Allwinner SoCs. The
accompanying GMAC clock register has been moved into the "System
Control" area.

Add a clock node for it.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Chen-Yu Tsai 2019-02-06 11:32:35 +08:00 committed by Maxime Ripard
parent b3e1f4be1e
commit e78adcfe48
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1 changed files with 31 additions and 0 deletions
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31
arch/arm/boot/dts/sun9i-a80.dtsi
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@ -183,6 +183,37 @@
clock-output-names = "osc32k";
};
/*
* 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: mii_phy_tx_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <25000000>;
clock-output-names = "mii_phy_tx";
};
gmac_int_tx_clk: gmac_int_tx_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <125000000>;
clock-output-names = "gmac_int_tx";
};
gmac_tx_clk: clk@800030 {
#clock-cells = <0>;
compatible = "allwinner,sun7i-a20-gmac-clk";
reg = <0x00800030 0x4>;
clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>;
clock-output-names = "gmac_tx";
};
cpus_clk: clk@8001410 {
compatible = "allwinner,sun9i-a80-cpus-clk";
reg = <0x08001410 0x4>;