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charset="utf-8" From: Ciprian Marian Costea Add compatible string for the interrupt steering controller used in NXP S32N79 SoC. The S32N79 SoC differs from the i.MX version by not implementing the CHANCTRL register, but otherwise maintains the same programming model and register layout. Co-developed-by: Larisa Grigore Signed-off-by: Larisa Grigore Signed-off-by: Ciprian Marian Costea --- .../devicetree/bindings/interrupt-controller/fsl,irqsteer.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,irq= steer.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,irq= steer.yaml index 5c768c1e159c..caf3e4a1f26f 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.y= aml +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,irqsteer.y= aml @@ -22,6 +22,7 @@ properties: - fsl,imx94-irqsteer - fsl,imx95-irqsteer - const: fsl,imx-irqsteer + - const: nxp,s32n79-irqsteer =20 reg: maxItems: 1 --=20 2.43.0 From nobody Fri Apr 17 01:47:01 2026 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011032.outbound.protection.outlook.com [52.101.70.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E016437BE98; 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charset="utf-8" From: Ciprian Marian Costea Add compatible string "nxp,s32n79-usdhc" for the uSDHC controller found in NXP S32N79 series automotive SoCs. The controller is compatible with the existing i.MX uSDHC controllers. Co-developed-by: Larisa Grigore Signed-off-by: Larisa Grigore Signed-off-by: Ciprian Marian Costea --- Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Doc= umentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml index b98a84f93277..014b049baeb6 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml @@ -35,6 +35,7 @@ properties: - fsl,imx8mm-usdhc - fsl,imxrt1050-usdhc - nxp,s32g2-usdhc + - nxp,s32n79-usdhc - items: - const: fsl,imx50-esdhc - const: fsl,imx53-esdhc --=20 2.43.0 From nobody Fri Apr 17 01:47:01 2026 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011032.outbound.protection.outlook.com [52.101.70.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2EB4137C103; 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charset="utf-8" From: Ciprian Marian Costea Add device tree binding documentation for the NXP S32N79 automotive SoC and the S32N79 Reference Design Board (S32N79-RDB). The S32N79 is an automotive-grade SoC featuring eight ARM Cortex-A78AE cores organized for high-performance networking and gateway applications in vehicles. Co-developed-by: Larisa Grigore Signed-off-by: Larisa Grigore Signed-off-by: Ciprian Marian Costea --- Documentation/devicetree/bindings/arm/fsl.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation= /devicetree/bindings/arm/fsl.yaml index 5716d701292c..415081423a30 100644 --- a/Documentation/devicetree/bindings/arm/fsl.yaml +++ b/Documentation/devicetree/bindings/arm/fsl.yaml @@ -1827,6 +1827,12 @@ properties: - fsl,s32v234-evb # S32V234-EVB2 Customer Evaluati= on Board - const: fsl,s32v234 =20 + - description: S32N79 based Boards + items: + - enum: + - nxp,s32n79-rdb + - const: nxp,s32n79 + - description: Traverse LS1088A based Boards items: - enum: --=20 2.43.0 From nobody Fri Apr 17 01:47:01 2026 Received: from PA4PR04CU001.outbound.protection.outlook.com (mail-francecentralazon11013044.outbound.protection.outlook.com [40.107.162.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E7E137C0FE; 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charset="utf-8" From: Ciprian Marian Costea Add device tree support for the NXP S32N79 automotive SoC and the S32N79 Reference Design Board (RDB) [1]. The S32N79 features eight Arm Cortex-A78AE cores organized in four dual-core clusters, with a three-level cache hierarchy (L1/L2 per core, L3 per dual-core cluster) and 32GB of DRAM memory. It includes an SMMUv3 for IOMMU functionality. On S32N79 SoC, peripherals are organized into subsystems, such as: - CIS (Coherent Interconnect Subsystem). - COSS (Connectivity Subsystem) - FSS (Foundation Subsystem) This initial support includes basic peripherals: - GICv3, SMMUv3 from CIS Subsystem - PL011 UARTs and IRQ steering controller from COSS Subsystem - uSDHC from FSS Subsystem Clock and Pin multiplexing settings for the chip are managed over SCMI. [1] https://www.nxp.com/products/processors-and-microcontrollers/s32-automo= tive-platform/s32n-vehicle-super-integration-processors:S32N Co-developed-by: Larisa Grigore Signed-off-by: Larisa Grigore Co-developed-by: Andra-Teodora Ilie Signed-off-by: Andra-Teodora Ilie Co-developed-by: Andrei Cherechesu Signed-off-by: Andrei Cherechesu Signed-off-by: Ciprian Marian Costea --- arch/arm64/boot/dts/freescale/Makefile | 1 + arch/arm64/boot/dts/freescale/s32n79-rdb.dts | 70 ++++ arch/arm64/boot/dts/freescale/s32n79.dtsi | 361 +++++++++++++++++++ 3 files changed, 432 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/s32n79-rdb.dts create mode 100644 arch/arm64/boot/dts/freescale/s32n79.dtsi diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 700bab4d3e60..e79807bf1820 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -501,4 +501,5 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx8mm-phygate-tauri-l-rs23= 2-rs485.dtb dtb-$(CONFIG_ARCH_S32) +=3D s32g274a-evb.dtb dtb-$(CONFIG_ARCH_S32) +=3D s32g274a-rdb2.dtb dtb-$(CONFIG_ARCH_S32) +=3D s32g399a-rdb3.dtb +dtb-$(CONFIG_ARCH_S32) +=3D s32n79-rdb.dtb dtb-$(CONFIG_ARCH_S32) +=3D s32v234-evb.dtb diff --git a/arch/arm64/boot/dts/freescale/s32n79-rdb.dts b/arch/arm64/boot= /dts/freescale/s32n79-rdb.dts new file mode 100644 index 000000000000..c8b1dcefa2db --- /dev/null +++ b/arch/arm64/boot/dts/freescale/s32n79-rdb.dts @@ -0,0 +1,70 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright 2026 NXP + * + * NXP S32N79 Reference Design Board (S32N79-RDB) + */ + +/dts-v1/; +#include "s32n79.dtsi" + +/ { + model =3D "NXP S32N79-RDB"; + compatible =3D "nxp,s32n79-rdb", "nxp,s32n79"; + + aliases { + serial0 =3D &uart0; + serial1 =3D &uart5; + serial2 =3D &uart6; + serial3 =3D &uart7; + }; + + chosen { + stdout-path =3D "serial0:115200n8"; + }; + + memory@80000000 { + device_type =3D "memory"; + reg =3D <0x00 0x80000000 0x00 0x80000000>, + <0x88 0x00000000 0x03 0x40000000>, + <0xc0 0x00000000 0x03 0x40000000>; + }; + + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + scmi_shbuf: shm@93000000 { + compatible =3D "arm,scmi-shmem"; + reg =3D <0x0 0x93000000 0x0 0x80>; + no-map; + }; + }; +}; + +&irqsteer_coss { + status =3D "okay"; +}; + +&uart0 { + status =3D "okay"; +}; + +&uart5 { + status =3D "okay"; +}; + +&uart6 { + status =3D "okay"; +}; + +&uart7 { + status =3D "okay"; +}; + +&usdhc0 { + disable-wp; + no-sdio; + status =3D "okay"; +}; diff --git a/arch/arm64/boot/dts/freescale/s32n79.dtsi b/arch/arm64/boot/dt= s/freescale/s32n79.dtsi new file mode 100644 index 000000000000..ff4e004fcd7c --- /dev/null +++ b/arch/arm64/boot/dts/freescale/s32n79.dtsi @@ -0,0 +1,361 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * NXP S32N79 SoC + * + * Copyright 2026 NXP + */ + +#include + +/ { + interrupt-parent =3D <&gic>; + #address-cells =3D <2>; + #size-cells =3D <2>; + + cpus { + #address-cells =3D <1>; + #size-cells =3D <0>; + + cpu-map { + cluster0 { + core0 { + cpu =3D <&cpu0>; + }; + + core1 { + cpu =3D <&cpu1>; + }; + }; + + cluster1 { + core0 { + cpu =3D <&cpu2>; + }; + + core1 { + cpu =3D <&cpu3>; + }; + }; + + cluster2 { + core0 { + cpu =3D <&cpu4>; + }; + + core1 { + cpu =3D <&cpu5>; + }; + }; + + cluster3 { + core0 { + cpu =3D <&cpu6>; + }; + + core1 { + cpu =3D <&cpu7>; + }; + }; + }; + + cpu0: cpu@0 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x0>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_0>; + }; + + cpu1: cpu@100 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x100>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_0>; + }; + + cpu2: cpu@10000 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x10000>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_1>; + }; + + cpu3: cpu@10100 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x10100>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_1>; + }; + + cpu4: cpu@20000 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x20000>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_2>; + }; + + cpu5: cpu@20100 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x20100>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_2>; + }; + + cpu6: cpu@30000 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x30000>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_3>; + }; + + cpu7: cpu@30100 { + device_type =3D "cpu"; + compatible =3D "arm,cortex-a78ae"; + reg =3D <0x30100>; + enable-method =3D "psci"; + next-level-cache =3D <&l2_3>; + }; + + l2_0: l2-cache0 { + compatible =3D "cache"; + cache-level =3D <2>; + cache-size =3D <524288>; + cache-line-size =3D <64>; + cache-sets =3D <512>; + cache-unified; + next-level-cache =3D <&l3_0>; + }; + + l2_1: l2-cache1 { + compatible =3D "cache"; + cache-level =3D <2>; + cache-size =3D <524288>; + cache-line-size =3D <64>; + cache-sets =3D <512>; + cache-unified; + next-level-cache =3D <&l3_1>; + }; + + l2_2: l2-cache2 { + compatible =3D "cache"; + cache-level =3D <2>; + cache-size =3D <524288>; + cache-line-size =3D <64>; + cache-sets =3D <512>; + cache-unified; + next-level-cache =3D <&l3_2>; + }; + + l2_3: l2-cache3 { + compatible =3D "cache"; + cache-level =3D <2>; + cache-size =3D <524288>; + cache-line-size =3D <64>; + cache-sets =3D <512>; + cache-unified; + next-level-cache =3D <&l3_3>; + }; + + l3_0: l3-cache0 { + compatible =3D "cache"; + cache-level =3D <3>; + cache-size =3D <1048576>; + cache-line-size =3D <64>; + cache-sets =3D <1024>; + cache-unified; + }; + + l3_1: l3-cache1 { + compatible =3D "cache"; + cache-level =3D <3>; + cache-size =3D <1048576>; + cache-line-size =3D <64>; + cache-sets =3D <1024>; + cache-unified; + }; + + l3_2: l3-cache2 { + compatible =3D "cache"; + cache-level =3D <3>; + cache-size =3D <1048576>; + cache-line-size =3D <64>; + cache-sets =3D <1024>; + cache-unified; + }; + + l3_3: l3-cache3 { + compatible =3D "cache"; + cache-level =3D <3>; + cache-size =3D <1048576>; + cache-line-size =3D <64>; + cache-sets =3D <1024>; + cache-unified; + }; + }; + + pmu: pmu { + compatible =3D "arm,armv8-pmuv3"; + interrupts =3D ; + }; + + timer: timer { + compatible =3D "arm,armv8-timer"; + interrupts =3D , + , + , + ; + }; + + firmware { + scmi: scmi { + compatible =3D "arm,scmi-smc"; + shmem =3D <&scmi_shbuf>; + arm,smc-id =3D <0xc20000fe>; + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + clks: protocol@14 { + reg =3D <0x14>; + #clock-cells =3D <1>; + }; + }; + + psci { + compatible =3D "arm,psci-1.0"; + method =3D "smc"; + }; + }; + + cis-bus { + compatible =3D "simple-bus"; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x4f200000 0x0 0x4f200000 0xc00000>; + + gic: interrupt-controller@4f200000 { + compatible =3D "arm,gic-v3"; + #address-cells =3D <1>; + #size-cells =3D <1>; + #interrupt-cells =3D <3>; + interrupt-controller; + interrupts =3D ; + reg =3D <0x4f200000 0x10000>, /* GIC Dist */ + <0x4f260000 0x100000>; /* GICR (RD_base + SGI_base) */ + ranges; + + its: msi-controller@4f240000 { + compatible =3D "arm,gic-v3-its"; + reg =3D <0x4f240000 0x20000>; + msi-controller; + #msi-cells =3D <1>; + }; + }; + + smmu: iommu@4fc00000 { + compatible =3D "arm,smmu-v3"; + reg =3D <0x4fc00000 0x200000>; + interrupt-parent =3D <&gic>; + interrupts =3D , + , + , + ; + interrupt-names =3D "eventq", "gerror", "priq", "cmdq-sync"; + #iommu-cells =3D <1>; + dma-coherent; + status =3D "disabled"; + }; + }; + + coss-bus { + compatible =3D "simple-bus"; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x4a000000 0x0 0x4a000000 0xff0000>, + <0x4e000000 0x0 0x4e000000 0x1000000>; + + uart0: serial@4a030000 { + compatible =3D "arm,pl011", "arm,primecell"; + reg =3D <0x4a030000 0x1000>; + clocks =3D <&clks 0x9a>, <&clks 0x9a>; + clock-names =3D "uartclk", "apb_pclk"; + interrupt-parent =3D <&irqsteer_coss>; + interrupts =3D <264>; + status =3D "disabled"; + }; + + uart5: serial@4a060000 { + compatible =3D "arm,pl011", "arm,primecell"; + reg =3D <0x4a060000 0x1000>; + clocks =3D <&clks 0x9a>, <&clks 0x9a>; + clock-names =3D "uartclk", "apb_pclk"; + interrupt-parent =3D <&irqsteer_coss>; + interrupts =3D <269>; + status =3D "disabled"; + }; + + uart6: serial@4aa30000 { + compatible =3D "arm,pl011", "arm,primecell"; + reg =3D <0x4aa30000 0x1000>; + clocks =3D <&clks 0x9a>, <&clks 0x9a>; + clock-names =3D "uartclk", "apb_pclk"; + interrupt-parent =3D <&irqsteer_coss>; + interrupts =3D <270>; + status =3D "disabled"; + }; + + uart7: serial@4aa40000 { + compatible =3D "arm,pl011", "arm,primecell"; + reg =3D <0x4aa40000 0x1000>; + clocks =3D <&clks 0x9a>, <&clks 0x9a>; + clock-names =3D "uartclk", "apb_pclk"; + interrupt-parent =3D <&irqsteer_coss>; + interrupts =3D <271>; + status =3D "disabled"; + }; + + irqsteer_coss: interrupt-controller@4ed00000 { + compatible =3D "nxp,s32n79-irqsteer"; + reg =3D <0x4ed00000 0x10000>; + interrupts =3D , + , + , + , + , + , + , + ; + interrupt-controller; + interrupt-parent =3D <&gic>; + #interrupt-cells =3D <1>; + clocks =3D <&clks 0x9a>; + clock-names =3D "ipg"; + fsl,channel =3D <0>; + fsl,num-irqs =3D <512>; + status =3D "disabled"; + }; + }; + + fss-bus { + compatible =3D "simple-bus"; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x5b490000 0x0 0x5b490000 0x1000>; + + usdhc0: mmc@5b490000 { + compatible =3D "nxp,s32n79-usdhc"; + reg =3D <0x5b490000 0x1000>; + interrupts =3D ; + clocks =3D <&clks 0x58>, <&clks 0x50>, <&clks 0x5f>; + clock-names =3D "ipg", "ahb", "per"; + bus-width =3D <8>; + status =3D "disabled"; + }; + }; +}; --=20 2.43.0