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From: David Lechner <david@lechnology.com>
To: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org>
Cc: tglx@linutronix.de, jason@lakedaemon.net,
	Marc Zyngier <maz@kernel.org>, "Anna, Suman" <s-anna@ti.com>,
	robh+dt@kernel.org, Lee Jones <lee.jones@linaro.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	"Mills, William" <wmills@ti.com>,
	"Bajjuri, Praneeth" <praneeth@ti.com>,
	"Andrew F . Davis" <afd@ti.com>, Roger Quadros <rogerq@ti.com>
Subject: Re: [PATCH v4 1/5] dt-bindings: irqchip: Add PRU-ICSS interrupt controller bindings
Date: Fri, 31 Jul 2020 09:09:49 -0500
Message-ID: <19fbf4f6-ea75-3eb7-7e95-c7c9ce987996@lechnology.com> (raw)
In-Reply-To: <CAMxfBF6Ru1Fm1oWDyrSM=kBdCUe+eUDChqDgoYo4ziVr-8c50Q@mail.gmail.com>

On 7/31/20 6:48 AM, Grzegorz Jaszczyk wrote:
> On Wed, 29 Jul 2020 at 19:34, David Lechner <david@lechnology.com> wrote:
>> It is not clear what the meaning of each cell is. Looking at later patches, it
>> looks like the first cell is the PRU system event number, the second cell is the
>> channel and the third cell is the host event number.
> 
> Ok, how about updating above description like this:
> Client users shall use the PRU System event number (the interrupt source
> that the client is interested in) [cell 1], PRU channel [cell 2] and PRU
> host_intr (target) [cell 3] as the value of the interrupts property in their
> node.  The system events can be mapped to some output host interrupts through 2
> levels of many-to-one mapping i.e. events to channel mapping and channels to
> host interrupts so through this property entire mapping is provided.

Cell 3 is host_intr0-7? How would we map to other host events?

  reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28  9:18 [PATCH v4 0/5] Add TI PRUSS Local Interrupt Controller IRQChip driver Grzegorz Jaszczyk
2020-07-28  9:18 ` [PATCH v4 1/5] dt-bindings: irqchip: Add PRU-ICSS interrupt controller bindings Grzegorz Jaszczyk
2020-07-29 17:34   ` David Lechner
2020-07-31 11:48     ` Grzegorz Jaszczyk
2020-07-31 14:09       ` David Lechner [this message]
2020-07-31 14:16         ` Grzegorz Jaszczyk
2020-07-31 14:35           ` Suman Anna
2020-07-31 21:09       ` Rob Herring
2020-08-02 21:49         ` Grzegorz Jaszczyk
2020-07-28  9:18 ` [PATCH v4 2/5] irqchip/irq-pruss-intc: Add a PRUSS irqchip driver for PRUSS interrupts Grzegorz Jaszczyk
2020-07-29 18:43   ` David Lechner
2020-07-31 11:57     ` Grzegorz Jaszczyk
2020-07-28  9:18 ` [PATCH v4 3/5] irqchip/irq-pruss-intc: Add logic for handling reserved interrupts Grzegorz Jaszczyk
2020-07-28 16:37   ` Marc Zyngier
2020-07-28 22:23     ` Grzegorz Jaszczyk
2020-07-29 18:48   ` David Lechner
2020-07-31 14:11     ` Grzegorz Jaszczyk
2020-07-28  9:18 ` [PATCH v4 4/5] irqchip/irq-pruss-intc: Implement irq_{get,set}_irqchip_state ops Grzegorz Jaszczyk
2020-07-29 19:23   ` David Lechner
2020-07-31 12:28     ` Grzegorz Jaszczyk
2020-07-31 15:59       ` David Lechner
2020-07-28  9:18 ` [PATCH v4 5/5] irqchip/irq-pruss-intc: Add support for ICSSG INTC on K3 SoCs Grzegorz Jaszczyk
2020-07-29 19:28   ` David Lechner
2020-07-31 12:32     ` Grzegorz Jaszczyk

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