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
> ---
> 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 ..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@vger.kernel.org
> S: Maintained
> F: drivers/memory/*emif*
>
> +ARM/TEXAS INSTRUMENTS K3 ARCHITECTURE
> +M: Tero Kristo
> +M: Nishanth Menon
> +L: linux-arm-ker...@lists.infradead.org (moderated for non-subscribers)
> +S: Supported
> +F: Documentation/devicetree/bindings/arm/ti/k3.txt
> +
> ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
> M: Santosh Shilimkar
> L: linux-arm-ker...@lists.infradead.org (moderated for non-subscribers)
> --
> 2.15.1
>
