arm64: dts: turing-rk1: enable reserved memory for cma

armbian · Nov 10, 2023 · d51a550 · d51a550
1 parent 5e77006
commit d51a550
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-turing-rk1.dtsi
@@ -31,6 +31,21 @@
 		serial9 = &uart9;
 	};
 
+	/* If hdmirx node is disabled, delete the reserved-memory node here. */
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* Reserve 256MB memory for hdmirx-controller@fdee0000 */
+		cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			reg = <0x0 (256 * 0x100000) 0x0 (256 * 0x100000)>;
+			linux,cma-default;
+		};
+	};
+
 	fan: pwm-fan {
 		compatible = "pwm-fan";
 		cooling-levels = <100 160 190 200 215 235 255>;