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@xxxxxxxx>
---
arch/arm/boot/dts/sun7i-a20.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 1595e9a..fc7f470 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -314,6 +314,34 @@
};
/*
+ * The following two are dummy clocks, placeholders used
+ * on gmac_tx clock. The actual frequency and availability
+ * depends on the external PHY, operation mode and link
+ * speed.
+ */
+ mii_phy_tx_clk: clk@2 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <25000000>;
+ clock-output-names = "mii_phy_tx";
+ };
+
+ gmac_int_tx_clk: clk@3 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <125000000>;
+ clock-output-names = "gmac_int_tx";
+ };
+
+ gmac_tx_clk: clk@01c20164 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun7i-a20-gmac-clk";
+ reg = <0x01c20164 0x4>;
+ clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>;
+ clock-output-names = "gmac_tx";
+ };
+
+ /*
* Dummy clock used by output clocks
*/
osc24M_32k: clk@1 {
--
1.9.rc1
--
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