linux-kernel - [RFC PATCH 2/5] arm64: dts: qcom: sm8450: Add the Inline Crypto Engine node

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Date:   Tue, 14 Feb 2023 14:02:50 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Eric Biggers <ebiggers@...gle.com>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mmc@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: [RFC PATCH 2/5] arm64: dts: qcom: sm8450: Add the Inline Crypto Engine node

Drop all values related to the ICE from the UFS HC node and add a
dedicated ICE node. Also enable it in HDK board dts.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8450-hdk.dts |  4 ++++
 arch/arm64/boot/dts/qcom/sm8450.dtsi    | 24 +++++++++++++++---------
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
index feef3837e4cd..de631deef1e8 100644
--- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts
@@ -461,6 +461,10 @@ lt9611_out: endpoint {
 	};
 };
 
+&ice {
+	status = "okay";
+};
+
 &mdss {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 1a744a33bcf4..34d569f6c239 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -3989,9 +3989,8 @@ system-cache-controller@...00000 {
 		ufs_mem_hc: ufshc@...4000 {
 			compatible = "qcom,sm8450-ufshc", "qcom,ufshc",
 				     "jedec,ufs-2.0";
-			reg = <0 0x01d84000 0 0x3000>,
-			      <0 0x01d88000 0 0x8000>;
-			reg-names = "std", "ice";
+			reg = <0 0x01d84000 0 0x3000>;
+			reg-names = "std";
 			interrupts = <GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>;
 			phys = <&ufs_mem_phy_lanes>;
 			phy-names = "ufsphy";
@@ -4015,8 +4014,7 @@ ufs_mem_hc: ufshc@...4000 {
 				"ref_clk",
 				"tx_lane0_sync_clk",
 				"rx_lane0_sync_clk",
-				"rx_lane1_sync_clk",
-				"ice_core_clk";
+				"rx_lane1_sync_clk";
 			clocks =
 				<&gcc GCC_UFS_PHY_AXI_CLK>,
 				<&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
@@ -4025,8 +4023,7 @@ ufs_mem_hc: ufshc@...4000 {
 				<&rpmhcc RPMH_CXO_CLK>,
 				<&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>,
 				<&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>,
-				<&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>,
-				<&gcc GCC_UFS_PHY_ICE_CORE_CLK>;
+				<&gcc GCC_UFS_PHY_RX_SYMBOL_1_CLK>;
 			freq-table-hz =
 				<75000000 300000000>,
 				<0 0>,
@@ -4035,8 +4032,17 @@ ufs_mem_hc: ufshc@...4000 {
 				<75000000 300000000>,
 				<0 0>,
 				<0 0>,
-				<0 0>,
-				<75000000 300000000>;
+				<0 0>;
+			qcom,ice = <&ice>;
+
+			status = "disabled";
+		};
+
+		ice: inline-crypto-engine {
+			compatible = "qcom,inline-crypto-engine";
+			reg = <0 0x01d88000 0 0x8000>;
+			clocks = <&gcc GCC_UFS_PHY_ICE_CORE_CLK>;
+
 			status = "disabled";
 		};
 
-- 
2.34.1