Re: [PATCH 1/6] dt-bindings: irqchip: Add PRUSS interrupt controller bindings

From: Rob Herring <robh@kernel.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jason Cooper <jason@lakedaemon.net>,
	Tony Lindgren <tony@atomide.com>, "Andrew F. Davis" <afd@ti.com>,
	Roger Quadros <rogerq@ti.com>, Lokesh Vutla <lokeshvutla@ti.com>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Sekhar Nori <nsekhar@ti.com>,
	David Lechner <david@lechnology.com>,
	Murali Karicheri <m-karicheri2@ti.com>,
	devicetree@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Suman Anna <s-anna@ti.com>
Subject: Re: [PATCH 1/6] dt-bindings: irqchip: Add PRUSS interrupt controller bindings
Date: Wed, 24 Jul 2019 10:34:19 -0600	[thread overview]
Message-ID: <20190724163419.GA29254@bogus> (raw)
In-Reply-To: <20190708035243.12170-2-s-anna@ti.com>

On Sun, 7 Jul 2019 22:52:38 -0500, Suman Anna wrote:
> The Programmable Real-Time Unit Subsystem (PRUSS) contains an interrupt
> controller (INTC) that can handle various system input events and post
> interrupts back to the device-level initiators. The INTC can support
> upto 64 input events on most SoCs with individual control configuration
> and hardware prioritization. These events are mapped onto 10 interrupt
> lines through two levels of many-to-one mapping support. Different
> interrupt lines are routed to the individual PRU cores or to the
> host CPU or to other PRUSS instances.
> 
> The K3 AM65x and J721E SoCs have the next generation of the PRU-ICSS IP,
> commonly called ICSSG. The ICSSG interrupt controller on K3 SoCs provide
> a higher number of host interrupts (20 vs 10) and can handle an increased
> number of input events (160 vs 64) from various SoC interrupt sources.
> 
> Add the bindings document for these interrupt controllers on all the
> applicable SoCs. It covers the OMAP architecture SoCs - AM33xx, AM437x
> and AM57xx; the Keystone 2 architecture based 66AK2G SoC; the Davinci
> architecture based OMAPL138 SoCs, and the K3 architecture based AM65x
> and J721E SoCs.
> 
> Signed-off-by: Suman Anna <s-anna@ti.com>
> Signed-off-by: Andrew F. Davis <afd@ti.com>
> Signed-off-by: Roger Quadros <rogerq@ti.com>
> ---
> Prior version: https://patchwork.kernel.org/patch/10795771/
> 
>  .../interrupt-controller/ti,pruss-intc.txt    | 92 +++++++++++++++++++
>  1 file changed, 92 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/ti,pruss-intc.txt
> 

Reviewed-by: Rob Herring <robh@kernel.org>