linux-kernel - Re: [PATCH 5/6] irq: spear-shirq: Add support for IRQ 0..6

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Message-ID: <CACRpkdbVfpmFKcdmNtcbpozuMt+EeJSmCuF4nJ--8oHrnyvLEA@mail.gmail.com>
Date:   Sun, 5 Dec 2021 00:37:52 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Herve Codina <herve.codina@...tlin.com>
Cc:     Viresh Kumar <vireshk@...nel.org>,
        Shiraz Hashim <shiraz.linux.kernel@...il.com>, soc@...nel.org,
        Rob Herring <robh+dt@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH 5/6] irq: spear-shirq: Add support for IRQ 0..6

On Thu, Dec 2, 2021 at 10:53 AM Herve Codina <herve.codina@...tlin.com> wrote:

> IRQ 0..7 are not supported by the driver for SPEAr320 SOC family.
>
> IRQ 0 is not reserved in SPEAr320 SOC (assigned to GPIOINT).
> Furthermore, in SPEAr320s SOC variant, IRQ 0..6 are assigned
> as follow:
>   IRQ 6 - NGPIO_INTR: Combined status of edge programmable
>                       interrupts from GPIO ports
>   IRQ 5 - TX_OR_INTR: I2S interrupt on Transmit FIFO overrun
>   IRQ 4 - TX_EMP_INTR: I2S interrupt on Transmit FIFO empty
>   IRQ 3 - RX_OR_INTR: I2S interrupt on Receive FIFO overrun
>   IRQ 2 - RX_DA_INTR: I2S interrupt on data available in Receive FIFO
>   IRQ 1 - Reserved
>   IRQ 0 - GPIO_INTR: Legacy interrupt from GPIO ports
>
> Add support for these IRQs in SPEAr320 SOC family.
>
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij