linux-kernel - [PATCH v3] arm64: dts: qcom: qcs8300: add QCrypto nodes

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Message-ID: <20241223110936.3428125-1-quic_yrangana@quicinc.com>
Date: Mon, 23 Dec 2024 16:39:36 +0530
From: Yuvaraj Ranganathan <quic_yrangana@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_yrangana@...cinc.com>
Subject: [PATCH v3] arm64: dts: qcom: qcs8300: add QCrypto nodes

Add the QCE and Crypto BAM DMA nodes.

Signed-off-by: Yuvaraj Ranganathan <quic_yrangana@...cinc.com>
---
Changes in v3:
 - Wrap the lengthy lines
 - Reduced the patch series as other patch is merged.
 - Link to v2: https://lore.kernel.org/all/20241125111923.2218374-3-quic_yrangana@quicinc.com/

Changes in v2:
 - Set the interconnect tag to QCOM_ICC_TAG_ALWAYS instead of passing 0(no TAG). 
 - Link to v1:  https://lore.kernel.org/all/20241113055830.2918347-1-quic_yrangana@quicinc.com/

---
 arch/arm64/boot/dts/qcom/qcs8300.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs8300.dtsi b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
index 73abf2ef9c9f..30c1de1c4ad2 100644
--- a/arch/arm64/boot/dts/qcom/qcs8300.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs8300.dtsi
@@ -736,6 +736,31 @@ ufs_mem_phy: phy@...7000 {
 			status = "disabled";
 		};
 
+		cryptobam: dma-controller@...4000 {
+			compatible = "qcom,bam-v1.7.4", "qcom,bam-v1.7.0";
+			reg = <0x0 0x01dc4000 0x0 0x28000>;
+			interrupts = <GIC_SPI 272 IRQ_TYPE_LEVEL_HIGH>;
+			#dma-cells = <1>;
+			qcom,ee = <0>;
+			qcom,controlled-remotely;
+			num-channels = <20>;
+			qcom,num-ees = <4>;
+			iommus = <&apps_smmu 0x480 0x00>,
+				 <&apps_smmu 0x481 0x00>;
+		};
+
+		crypto: crypto@...a000 {
+			compatible = "qcom,qcs8300-qce", "qcom,qce";
+			reg = <0x0 0x01dfa000 0x0 0x6000>;
+			dmas = <&cryptobam 4>, <&cryptobam 5>;
+			dma-names = "rx", "tx";
+			iommus = <&apps_smmu 0x480 0x00>,
+				 <&apps_smmu 0x481 0x00>;
+			interconnects = <&aggre2_noc MASTER_CRYPTO_CORE0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "memory";
+		};
+
 		tcsr_mutex: hwlock@...0000 {
 			compatible = "qcom,tcsr-mutex";
 			reg = <0x0 0x01f40000 0x0 0x20000>;
-- 
2.34.1