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Subject[PATCH 5/9] ARM: dts: sun9i: Add GMAC clock node
Date
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>
---
arch/arm/boot/dts/sun9i-a80.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

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>;
--
2.20.1
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