ARM: dts: keystone-k2g: Add DSS node

Add DT node for DSS. K2G has DSS version 6. Keystone family DSS are
somewhat different compered to the old OMAP family DSSes and the
binding looks different too.

Signed-off-by: Jyri Sarha <[email protected]>
Signed-off-by: Tomi Valkeinen <[email protected]>
Signed-off-by: Jyri Sarha <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>

Author: Jyri Sarha

arch/arm/boot/dts/keystone-k2g.dtsi

@@ -324,6 +324,28 @@
 			clock-names = "gpio";
 		};
 
+		dss: dss@02540000 {
+			compatible = "ti,k2g-dss";
+			reg =	<0x02540000 0x400>,
+				<0x02550000 0x1000>,
+				<0x02557000 0x1000>,
+				<0x0255a800 0x100>,
+				<0x0255ac00 0x100>;
+			reg-names = "cfg", "common", "vid1", "ovr1", "vp1";
+			clocks =	<&k2g_clks 0x2 0>,
+					<&k2g_clks 0x2 1>;
+			clock-names = "fck", "vp1";
+			interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>;
+
+			power-domains = <&k2g_pds 0x2>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			max-memory-bandwidth = <230000000>;
+		};
+
 		edma0: edma@2700000 {
 			compatible = "ti,k2g-edma3-tpcc", "ti,edma3-tpcc";
 			reg =	<0x02700000 0x8000>;