Hi Lokesh, On 27/08/2020 9.51, Lokesh Vutla wrote: > The J7200 SoC is a part of the K3 Multicore SoC architecture platform. > It is targeted for automotive gateway, vehicle compute systems, > Vehicle-to-Vehicle (V2V) and Vehicle-to-Everything (V2X) applications. > The SoC aims to meet the complex processing needs of modern embedded > products. > > Some highlights of this SoC are: > * Dual Cortex-A72s in a single cluster, two clusters of lockstep > capable dual Cortex-R5F MCUs and a Centralized Device Management and > Security Controller (DMSC). > * Configurable L3 Cache and IO-coherent architecture with high data > throughput capable distributed DMA architecture under NAVSS. > * Integrated Ethernet switch supporting up to a total of 4 external ports > in addition to legacy Ethernet switch of up to 2 ports. > * Upto 1 PCIe-GEN3 controller, 1 USB3.0 Dual-role device subsystems, > 20 MCANs, 3 McASP, eMMC and SD, OSPI/HyperBus memory controller, I3C > and I2C, eCAP/eQEP, eHRPWM among other peripherals. > * One hardware accelerator block containing AES/DES/SHA/MD5 called SA2UL > management. > > See J7200 Technical Reference Manual (SPRUIU1, June 2020) > for further details: https://www.ti.com/lit/pdf/spruiu1 > > Signed-off-by: Lokesh Vutla <lokeshvutla@xxxxxx> > --- > arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 199 ++++++++++++++++++ > .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 84 ++++++++ > arch/arm64/boot/dts/ti/k3-j7200.dtsi | 165 +++++++++++++++ > 3 files changed, 448 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > create mode 100644 arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi > create mode 100644 arch/arm64/boot/dts/ti/k3-j7200.dtsi > > diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > new file mode 100644 > index 000000000000..70c8f7e941fb > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > @@ -0,0 +1,199 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Device Tree Source for J7200 SoC Family Main Domain peripherals > + * > + * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ > + */ > + > +&cbass_main { > + msmc_ram: sram@70000000 { > + compatible = "mmio-sram"; > + reg = <0x0 0x70000000 0x0 0x100000>; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0x0 0x0 0x70000000 0x100000>; > + > + atf-sram@0 { > + reg = <0x0 0x20000>; > + }; > + }; > + > + gic500: interrupt-controller@1800000 { > + compatible = "arm,gic-v3"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + #interrupt-cells = <3>; > + interrupt-controller; > + reg = <0x00 0x01800000 0x00 0x10000>, /* GICD */ > + <0x00 0x01900000 0x00 0x100000>; /* GICR */ > + > + /* vcpumntirq: virtual CPU interface maintenance interrupt */ > + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; > + > + gic_its: msi-controller@1820000 { > + compatible = "arm,gic-v3-its"; > + reg = <0x00 0x01820000 0x00 0x10000>; > + socionext,synquacer-pre-its = <0x1000000 0x400000>; > + msi-controller; > + #msi-cells = <1>; > + }; > + }; > + > + main_navss: navss@30000000 { > + compatible = "simple-mfd"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges = <0x00 0x30000000 0x00 0x30000000 0x00 0x0c400000>; > + > + secure_proxy_main: mailbox@32c00000 { > + compatible = "ti,am654-secure-proxy"; > + #mbox-cells = <1>; > + reg-names = "target_data", "rt", "scfg"; > + reg = <0x00 0x32c00000 0x00 0x100000>, > + <0x00 0x32400000 0x00 0x100000>, > + <0x00 0x32800000 0x00 0x100000>; > + interrupt-names = "rx_011"; > + interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>; > + }; Would it make sense to have the nodes needed for DMA also in the initial commit? mainline is prepared for it. - Péter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki