ramips: remove device tree legacy compatibility

We switched to 5.15 kernel, so we don't need to maintain 5.10
compatibility anymore.

Signed-off-by: Nick Hainke <[email protected]>

target/linux/ramips/dts/mt7621.dtsi

@@ -41,15 +41,6 @@
 		bootargs = "console=ttyS0,57600";
 	};
 
-#ifdef DTS_LEGACY
-	pll: pll {
-		compatible = "mediatek,mt7621-pll", "syscon";
-
-		#clock-cells = <1>;
-		clock-output-names = "cpu", "bus";
-	};
-#endif
-
 	sysclock: sysclock {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
@@ -67,16 +58,12 @@
 		#size-cells = <1>;
 
 		sysc: syscon@0 {
-#ifdef DTS_LEGACY
-			compatible = "mtk,mt7621-sysc", "syscon";
-#else
 			compatible = "mediatek,mt7621-sysc", "syscon";
 			#clock-cells = <1>;
 			ralink,memctl = <&memc>;
 			clock-output-names = "xtal", "cpu", "bus",
 					     "50m", "125m", "150m",
 					     "250m", "270m";
-#endif
 			reg = <0x0 0x100>;
 		};
 
@@ -149,11 +136,7 @@
 		};
 
 		memc: syscon@5000 {
-#ifdef DTS_LEGACY
-			compatible = "mtk,mt7621-memc", "syscon";
-#else
 			compatible = "mediatek,mt7621-memc", "syscon";
-#endif
 			reg = <0x5000 0x1000>;
 		};
 
@@ -213,11 +196,7 @@
 			compatible = "ralink,mt7621-spi";
 			reg = <0xb00 0x100>;
 
-#ifdef DTS_LEGACY
-			clocks = <&pll MT7621_CLK_BUS>;
-#else
 			clocks = <&sysc MT7621_CLK_BUS>;
-#endif
 
 			resets = <&rstctrl 18>;
 			reset-names = "spi";
@@ -425,11 +404,7 @@
 		timer {
 			compatible = "mti,gic-timer";
 			interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
-#ifdef DTS_LEGACY
-			clocks = <&pll MT7621_CLK_CPU>;
-#else
 			clocks = <&sysc MT7621_CLK_CPU>;
-#endif
 		};
 	};
 
@@ -466,14 +441,9 @@
 		compatible = "mediatek,mt7621-eth";
 		reg = <0x1e100000 0x10000>;
 
-#ifdef DTS_LEGACY
-		clocks = <&sysclock>;
-		clock-names = "ethif";
-#else
 		clocks = <&sysc MT7621_CLK_FE>,
 			 <&sysc MT7621_CLK_ETH>;
 		clock-names = "fe", "ethif";
-#endif
 
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -586,36 +556,16 @@
 
 		device_type = "pci";
 
-#ifdef DTS_LEGACY
-		ranges = <0x02000000 0 0x00000000 0x60000000 0 0x10000000>, /* pci memory */
-			 <0x01000000 0 0x00000000 0x1e160000 0 0x00010000>; /* io space */
-#else
 		ranges = <0x02000000 0 0x60000000 0x60000000 0 0x10000000>, /* pci memory */
 			 <0x01000000 0 0x00000000 0x1e160000 0 0x00010000>; /* io space */
-#endif
 
 		status = "disabled";
 
-#ifdef DTS_LEGACY
-		interrupt-parent = <&gic>;
-		interrupts = <GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH
-				GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH
-				GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
-
-
-		resets = <&rstctrl 24>, <&rstctrl 25>, <&rstctrl 26>;
-		reset-names = "pcie0", "pcie1", "pcie2";
-		clocks = <&clkctrl 24>, <&clkctrl 25>, <&clkctrl 26>;
-		clock-names = "pcie0", "pcie1", "pcie2";
-		phys = <&pcie0_phy 1>, <&pcie2_phy 0>;
-		phy-names = "pcie-phy0", "pcie-phy2";
-#else
 		#interrupt-cells = <1>;
 		interrupt-map-mask = <0xF800 0 0 0>;
 		interrupt-map = <0x0000 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>,
 				<0x0800 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>,
 				<0x1000 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
-#endif
 
 		reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
 
@@ -625,7 +575,6 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			ranges;
-#ifndef DTS_LEGACY
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0 0 0 0 &gic GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH>;
@@ -633,7 +582,6 @@
 			clocks = <&sysc MT7621_CLK_PCIE0>;
 			phys = <&pcie0_phy 1>;
 			phy-names = "pcie-phy0";
-#endif
 		};
 
 		pcie1: pcie@1,0 {
@@ -642,7 +590,6 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			ranges;
-#ifndef DTS_LEGACY
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0 0 0 0 &gic GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH>;
@@ -650,7 +597,6 @@
 			clocks = <&sysc MT7621_CLK_PCIE1>;
 			phys = <&pcie0_phy 1>;
 			phy-names = "pcie-phy1";
-#endif
 		};
 
 		pcie2: pcie@2,0 {
@@ -659,7 +605,6 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			ranges;
-#ifndef DTS_LEGACY
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0 0 0 0 &gic GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
@@ -667,25 +612,20 @@
 			clocks = <&sysc MT7621_CLK_PCIE2>;
 			phys = <&pcie2_phy 0>;
 			phy-names = "pcie-phy2";
-#endif
 		};
 	};
 
 	pcie0_phy: pcie-phy@1e149000 {
 		compatible = "mediatek,mt7621-pci-phy";
 		reg = <0x1e149000 0x0700>;
-#ifndef DTS_LEGACY
 		clocks = <&sysc MT7621_CLK_XTAL>;
-#endif
 		#phy-cells = <1>;
 	};
 
 	pcie2_phy: pcie-phy@1e14a000 {
 		compatible = "mediatek,mt7621-pci-phy";
 		reg = <0x1e14a000 0x0700>;
-#ifndef DTS_LEGACY
 		clocks = <&sysc MT7621_CLK_XTAL>;
-#endif
 		#phy-cells = <1>;
 	};
 };

target/linux/ramips/image/mt7621.mk

@@ -9,10 +9,6 @@ DEFAULT_SOC := mt7621
 
 DEVICE_VARS += ELECOM_HWNAME LINKSYS_HWNAME DLINK_HWID
 
-ifdef CONFIG_LINUX_5_10
-  DTS_CPPFLAGS += -DDTS_LEGACY
-endif
-
 define Build/arcadyan-trx
 	echo -ne "hsqs" > [email protected]
 	$(eval trx_magic=$(word 1,$(1)))