arm64: dts: fvp: Add virtio-rng support

The virtio-rng is available from FVP_Base_RevC-2xAEMvA version 11.17,
so add the devicetree node to support it. It is disabled by default to
avoid any issues with models that doesn't support it.

Link: https://lore.kernel.org/r/ac3be672c636091ee1e079cadce776b1fb7e0b2e.1650543392.git.diego.sueiro@arm.com
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 269b649934b5abf4f4675c8c48f08c530aadb944..a496e39e6204fe44b6184907e5a5082695c1573a 100644 (file)
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -241,6 +241,7 @@
                                <0 0 41 &gic 0 0 GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
                                <0 0 42 &gic 0 0 GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
                                <0 0 43 &gic 0 0 GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
-                               <0 0 44 &gic 0 0 GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+                               <0 0 44 &gic 0 0 GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
+                               <0 0 46 &gic 0 0 GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
        };
 };

diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi
index 33182d9e582677fc0bbdf3d698d46ef102b1731e..1b6326514c9710c5f8a821cd7b44c31ff36ec193 100644 (file)
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi
@@ -21,6 +21,13 @@
                                        reg = <0x150000 0x200>;
                                        interrupts = <44>;
                                };
+
+                               virtio-rng@200000 {
+                                       compatible = "virtio,mmio";
+                                       reg = <0x200000 0x200>;
+                                       interrupts = <46>;
+                                       status = "disabled";
+                               };
                        };
                };
        };

diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
index 5f6cab668aa079853c554e284077db1adb37387f..a999e7f52d8b8075644acdd90bc990ad05a6a95b 100644 (file)
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
@@ -110,7 +110,7 @@
                                compatible = "simple-bus";
                                #address-cells = <1>;
                                #size-cells = <1>;
-                               ranges = <0 3 0 0x200000>;
+                               ranges = <0 3 0 0x210000>;
 
                                v2m_sysreg: sysreg@10000 {
                                        compatible = "arm,vexpress-sysreg";