diff options
author | Chen-Yu Tsai <wens@csie.org> | 2019-02-06 06:32:35 +0300 |
---|---|---|
committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2019-02-07 18:51:12 +0300 |
commit | e78adcfe48daf7b322c09aa19930b8051adf04c8 (patch) | |
tree | 8053a7c2f5f2d84cc31211ce8e682e0adc85eaf7 /arch/arm/boot/dts/sun9i-a80.dtsi | |
parent | b3e1f4be1e4b3f762ba589abb5da1fc4b6faa98f (diff) | |
download | linux-e78adcfe48daf7b322c09aa19930b8051adf04c8.tar.xz |
ARM: dts: sun9i: Add GMAC clock node
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>
Diffstat (limited to 'arch/arm/boot/dts/sun9i-a80.dtsi')
-rw-r--r-- | arch/arm/boot/dts/sun9i-a80.dtsi | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi index d9532fb1ef65..724ca3b850c8 100644 --- a/arch/arm/boot/dts/sun9i-a80.dtsi +++ b/arch/arm/boot/dts/sun9i-a80.dtsi @@ -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>; |