[PATCH 6/6] riscv: dts: starfive: Add crypto and DMA node for VisionFive 2

Jia Jie Ho jiajie.ho at starfivetech.com
Tue Nov 29 21:52:14 PST 2022


Adding StarFive crypto IP and DMA controller node
to VisionFive 2 SoC.

Signed-off-by: Jia Jie Ho <jiajie.ho at starfivetech.com>
Signed-off-by: Huan Feng <huan.feng at starfivetech.com>
---
 .../jh7110-starfive-visionfive-v2.dts         |  8 +++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 36 +++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
index 450e920236a5..da2aa4d597f3 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
@@ -115,3 +115,11 @@ &tdm_ext {
 &mclk_ext {
 	clock-frequency = <49152000>;
 };
+
+&sec_dma {
+	status = "okay";
+};
+
+&crypto {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 4ac159d79d66..745a5650882c 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -455,5 +455,41 @@ uart5: serial at 12020000 {
 			reg-shift = <2>;
 			status = "disabled";
 		};
+
+		sec_dma: sec_dma at 16008000 {
+			compatible = "arm,pl080", "arm,primecell";
+			arm,primecell-periphid = <0x00041080>;
+			reg = <0x0 0x16008000 0x0 0x4000>;
+			reg-names = "sec_dma";
+			interrupts = <29>;
+			clocks = <&stgcrg JH7110_STGCLK_SEC_HCLK>,
+				 <&stgcrg JH7110_STGCLK_SEC_MISCAHB>;
+			clock-names = "sec_hclk","apb_pclk";
+			resets = <&stgcrg JH7110_STGRST_SEC_TOP_HRESETN>;
+			reset-names = "sec_hre";
+			lli-bus-interface-ahb1;
+			mem-bus-interface-ahb1;
+			memcpy-burst-size = <256>;
+			memcpy-bus-width = <32>;
+			#dma-cells = <2>;
+			status = "disabled";
+		};
+
+		crypto: crypto at 16000000 {
+			compatible = "starfive,jh7110-crypto";
+			reg = <0x0 0x16000000 0x0 0x4000>;
+			reg-names = "secreg";
+			clocks = <&stgcrg JH7110_STGCLK_SEC_HCLK>,
+				 <&stgcrg JH7110_STGCLK_SEC_MISCAHB>;
+			clock-names = "sec_hclk","sec_ahb";
+			resets = <&stgcrg JH7110_STGRST_SEC_TOP_HRESETN>;
+			reset-names = "sec_hre";
+			enable-side-channel-mitigation;
+			enable-dma;
+			dmas = <&sec_dma 1 2>,
+			       <&sec_dma 0 2>;
+			dma-names = "sec_m","sec_p";
+			status = "disabled";
+		};
 	};
 };
-- 
2.25.1




More information about the linux-riscv mailing list