From 5da259600d307f061aa34e56ded106d052a9d98a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Horia=20Geant=C4=83?= Date: Wed, 11 Jun 2025 11:38:09 +0000 Subject: [PATCH] arm64: dts: freescale: imx8qxp/imx8qm: Add CAAM support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The iMX8QXP and iMX8QM have a CAAM (Cryptographic Acceleration and Assurance Module) like many other iMXs. Add the definitions for it. Job Rings 0 and 1 are bound to the SECO (Security Controller) ARM core and are not exposed outside it. There's no point to define them in the bindings as they cannot be used outside the SECO. Signed-off-by: Horia Geantă Signed-off-by: John Ernberg Reviewed-by: Peng Fan Reviewed-by: Frank Li Signed-off-by: Shawn Guo --- .../boot/dts/freescale/imx8-ss-security.dtsi | 38 +++++++++++++++++++ arch/arm64/boot/dts/freescale/imx8qm.dtsi | 1 + .../dts/freescale/imx8qxp-ss-security.dtsi | 16 ++++++++ arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 2 + 4 files changed, 57 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8-ss-security.dtsi create mode 100644 arch/arm64/boot/dts/freescale/imx8qxp-ss-security.dtsi diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-security.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-security.dtsi new file mode 100644 index 0000000000000..3e04142aca5cf --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8-ss-security.dtsi @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2019 NXP + */ + +#include + +security_subsys: bus@31400000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x31400000 0x0 0x31400000 0x90000>; + + crypto: crypto@31400000 { + compatible = "fsl,imx8qm-caam", "fsl,sec-v4.0"; + reg = <0x31400000 0x90000>; + interrupts = ; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x31400000 0x90000>; + power-domains = <&pd IMX_SC_R_CAAM_JR2>; + fsl,sec-era = <9>; + + sec_jr2: jr@30000 { + compatible = "fsl,imx8qm-job-ring", "fsl,sec-v4.0-job-ring"; + reg = <0x30000 0x10000>; + interrupts = ; + power-domains = <&pd IMX_SC_R_CAAM_JR2>; + }; + + sec_jr3: jr@40000 { + compatible = "fsl,imx8qm-job-ring", "fsl,sec-v4.0-job-ring"; + reg = <0x40000 0x10000>; + interrupts = ; + power-domains = <&pd IMX_SC_R_CAAM_JR3>; + }; + }; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi index 11527050ac8bd..37babdbae8dd6 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi @@ -617,6 +617,7 @@ }; /* sorted in register address */ + #include "imx8-ss-security.dtsi" #include "imx8-ss-cm41.dtsi" #include "imx8-ss-audio.dtsi" #include "imx8-ss-vpu.dtsi" diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-ss-security.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp-ss-security.dtsi new file mode 100644 index 0000000000000..15f1239dab244 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8qxp-ss-security.dtsi @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2025 Actia Nordic AB + */ + +&crypto { + compatible = "fsl,imx8qxp-caam", "fsl,sec-v4.0"; +}; + +&sec_jr2 { + compatible = "fsl,imx8qxp-job-ring", "fsl,sec-v4.0-job-ring"; +}; + +&sec_jr3 { + compatible = "fsl,imx8qxp-job-ring", "fsl,sec-v4.0-job-ring"; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index 05138326f0a57..e2e799cc294cf 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -321,6 +321,7 @@ /* sorted in register address */ #include "imx8-ss-img.dtsi" #include "imx8-ss-vpu.dtsi" + #include "imx8-ss-security.dtsi" #include "imx8-ss-cm40.dtsi" #include "imx8-ss-gpu0.dtsi" #include "imx8-ss-adma.dtsi" @@ -332,6 +333,7 @@ #include "imx8qxp-ss-img.dtsi" #include "imx8qxp-ss-vpu.dtsi" +#include "imx8qxp-ss-security.dtsi" #include "imx8qxp-ss-adma.dtsi" #include "imx8qxp-ss-conn.dtsi" #include "imx8qxp-ss-lsio.dtsi" -- 2.47.2