linux-kernel - [PATCH] arm64: dts: fvp: Add virtio-rng support

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Message-Id: <ac3be672c636091ee1e079cadce776b1fb7e0b2e.1650543392.git.diego.sueiro@arm.com>
Date:   Thu, 21 Apr 2022 15:35:21 +0100
From:   Diego Sueiro <diego.sueiro@....com>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     liviu.dudau@....com, sudeep.holla@....com,
        lorenzo.pieralisi@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, nd@....com, diego.sueiro@....com
Subject: [PATCH] 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.

Signed-off-by: Diego Sueiro <diego.sueiro@....com>
---
 arch/arm64/boot/dts/arm/fvp-base-revc.dts            | 3 ++-
 arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi | 7 +++++++
 arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi     | 2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 269b649934b5..a496e39e6204 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -241,6 +241,7 @@ bus@...0000 {
 				<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 33182d9e5826..1b6326514c97 100644
--- 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 @@ virtio-net@...000 {
 					reg = <0x150000 0x200>;
 					interrupts = <44>;
 				};
+
+				virtio-rng@...000 {
+					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 5f6cab668aa0..a999e7f52d8b 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
@@ -110,7 +110,7 @@ iofpga-bus@...000000 {
 				compatible = "simple-bus";
 				#address-cells = <1>;
 				#size-cells = <1>;
-				ranges = <0 3 0 0x200000>;
+				ranges = <0 3 0 0x210000>;
 
 				v2m_sysreg: sysreg@...00 {
 					compatible = "arm,vexpress-sysreg";
-- 
2.35.1