On Tue, Jun 05, 2018 at 01:01:20AM -0500, Nishanth Menon wrote: > The AM654 SoC is a lead device of the K3 Multicore SoC architecture > platform, targeted for broad market and industrial control with aim to > meet the complex processing needs of modern embedded products. > > Some highlights of this SoC are: > * Quad ARMv8 A53 cores split over two clusters > * GICv3 compliant GIC500 > * Configurable L3 Cache and IO-coherent architecture > * Dual lock-step capable R5F uC for safety-critical applications > * High data throughput capable distributed DMA architecture under NAVSS > * Three Gigabit Industrial Communication Subsystems (ICSSG), each with dual > PRUs and dual RTUs > * Hardware accelerator block containing AES/DES/SHA/MD5 called SA2UL > * Centralized System Controller for Security, Power, and Resource > management. > * Dual ADCSS, eQEP/eCAP, eHRPWM, dual CAN-FD > * Flash subystem with OSPI and Hyperbus interfaces > * Multimedia capability with CAL, DSS7-UL, SGX544, McASP > * Peripheral connectivity including USB3, PCIE, MMC/SD, GPMC, I2C, SPI, > GPIO > > See AM65x Technical Reference Manual (SPRUID7, April 2018) > for further details: http://www.ti.com/lit/pdf/spruid7 > > Signed-off-by: Nishanth Menon <nm@xxxxxx> > --- > Documentation/devicetree/bindings/arm/ti/k3.txt | 33 +++++++++++++++++++++++++ > MAINTAINERS | 7 ++++++ > 2 files changed, 40 insertions(+) > create mode 100644 Documentation/devicetree/bindings/arm/ti/k3.txt > > diff --git a/Documentation/devicetree/bindings/arm/ti/k3.txt b/Documentation/devicetree/bindings/arm/ti/k3.txt > new file mode 100644 > index 000000000000..cbabb1b89f6f > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/ti/k3.txt > @@ -0,0 +1,33 @@ > +Texas Instruments K3 Multicore SoC architecture device tree bindings > +-------------------------------------------------------------------- > + > +Boards based on K3 Multicore SoC architecture shall have the following property: > +- compatible: Every hardware block introduced in K3 Multicore SoC > + architecture shall be of the form: > + "ti,XXX-YYY", where: > + 'XXX' represents the specific SoC part for which the support is added. > + 'YYY' represents the corresponding peripheral in SoC being supported. No need to explain standard DT convention here. (But I don't think we have this convention documented anywhere, so patches welcome. :)) > + > + NOTE: Generic devices such as GIC or legacy devices shall use the specified > + compatible for those devices. > + > + Example: > + compatible = "ti,am654-i2c"; > + > +SoCs > +------------------------------------------- > + > +Each device tree root node must specify which exact SoC in K3 Multicore SoC > +architecture it uses, using one of the following compatible values: > + > +- AM654 > + compatible = "ti,am654"; > + > +Boards > +------------------------------------------- > + > +In addition, each device tree root node must specify which one or more > +of the following board-specific compatible values: > + > +- AM654 EVM > + compatible = "ti,am654-evm", "ti,am654"; > diff --git a/MAINTAINERS b/MAINTAINERS > index f39a8de1bbd7..cfb35b252ac7 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2086,6 +2086,13 @@ L: linux-kernel@xxxxxxxxxxxxxxx > S: Maintained > F: drivers/memory/*emif* > > +ARM/TEXAS INSTRUMENTS K3 ARCHITECTURE > +M: Tero Kristo <t-kristo@xxxxxx> > +M: Nishanth Menon <nm@xxxxxx> > +L: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers) > +S: Supported > +F: Documentation/devicetree/bindings/arm/ti/k3.txt > + > ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE > M: Santosh Shilimkar <ssantosh@xxxxxxxxxx> > L: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers) > -- > 2.15.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
