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-rw-r--r--arch/arm/boot/dts/bcm2711.dtsi46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index ac83dac2e6ba..961bed832755 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -12,6 +12,26 @@
interrupt-parent = <&gicv2>;
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ /*
+ * arm64 reserves the CMA by default somewhere in ZONE_DMA32,
+ * that's not good enough for the BCM2711 as some devices can
+ * only address the lower 1G of memory (ZONE_DMA).
+ */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ size = <0x2000000>; /* 32MB */
+ alloc-ranges = <0x0 0x00000000 0x40000000>;
+ reusable;
+ linux,cma-default;
+ };
+ };
+
+
soc {
/*
* Defined ranges:
@@ -305,6 +325,32 @@
cpu-release-addr = <0x0 0x000000f0>;
};
};
+
+ scb {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ ranges = <0x0 0x7c000000 0x0 0xfc000000 0x03800000>;
+
+ genet: ethernet@7d580000 {
+ compatible = "brcm,bcm2711-genet-v5";
+ reg = <0x0 0x7d580000 0x10000>;
+ #address-cells = <0x1>;
+ #size-cells = <0x1>;
+ interrupts = <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+
+ genet_mdio: mdio@e14 {
+ compatible = "brcm,genet-mdio-v5";
+ reg = <0xe14 0x8>;
+ reg-names = "mdio";
+ #address-cells = <0x0>;
+ #size-cells = <0x1>;
+ };
+ };
+ };
};
&clk_osc {