arm64: dts: amlogic: Add the Ethernet "timing-adjustment" clock

Add the "timing-adjustment" clock now that we know how it is connected
to the PRG_ETHERNET registers. It is used internally to generate the
RGMII RX delay on the MAC side (if needed).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20200620162347.26159-1-martin.blumenstingl@googlemail.com

arch/arm64/boot/dts/amlogic/meson-axg.dtsi

@@ -181,8 +181,10 @@ ethmac: ethernet@ff3f0000 {
 			interrupt-names = "macirq";
 			clocks = <&clkc CLKID_ETH>,
 				 <&clkc CLKID_FCLK_DIV2>,
-				 <&clkc CLKID_MPLL2>;
-			clock-names = "stmmaceth", "clkin0", "clkin1";
+				 <&clkc CLKID_MPLL2>,
+				 <&clkc CLKID_FCLK_DIV2>;
+			clock-names = "stmmaceth", "clkin0", "clkin1",
+				      "timing-adjustment";
 			rx-fifo-depth = <4096>;
 			tx-fifo-depth = <2048>;
 			status = "disabled";

arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi

@@ -185,8 +185,10 @@ ethmac: ethernet@ff3f0000 {
 			interrupt-names = "macirq";
 			clocks = <&clkc CLKID_ETH>,
 				 <&clkc CLKID_FCLK_DIV2>,
-				 <&clkc CLKID_MPLL2>;
-			clock-names = "stmmaceth", "clkin0", "clkin1";
+				 <&clkc CLKID_MPLL2>,
+				 <&clkc CLKID_FCLK_DIV2>;
+			clock-names = "stmmaceth", "clkin0", "clkin1",
+				      "timing-adjustment";
 			rx-fifo-depth = <4096>;
 			tx-fifo-depth = <2048>;
 			status = "disabled";

arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi

@@ -333,8 +333,9 @@ &efuse {
 &ethmac {
 	clocks = <&clkc CLKID_ETH>,
 		 <&clkc CLKID_FCLK_DIV2>,
-		 <&clkc CLKID_MPLL2>;
-	clock-names = "stmmaceth", "clkin0", "clkin1";
+		 <&clkc CLKID_MPLL2>,
+		 <&clkc CLKID_FCLK_DIV2>;
+	clock-names = "stmmaceth", "clkin0", "clkin1", "timing-adjustment";
 };
 
 &gpio_intc {

arch/arm64/boot/dts/amlogic/meson-gxl.dtsi

@@ -131,8 +131,9 @@ &efuse {
 &ethmac {
 	clocks = <&clkc CLKID_ETH>,
 		 <&clkc CLKID_FCLK_DIV2>,
-		 <&clkc CLKID_MPLL2>;
-	clock-names = "stmmaceth", "clkin0", "clkin1";
+		 <&clkc CLKID_MPLL2>,
+		 <&clkc CLKID_FCLK_DIV2>;
+	clock-names = "stmmaceth", "clkin0", "clkin1", "timing-adjustment";
 
 	mdio0: mdio {
 		#address-cells = <1>;