linux-kernel - Re: [PATCH] irqchip/atmel-aic5: add support for sam9x60 irqchip

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Date:   Tue, 10 Sep 2019 17:15:13 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     tglx@...utronix.de, jason@...edaemon.net, maz@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com,
        nicolas.ferre@...rochip.com, ludovic.desroches@...rochip.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Sandeep Sheriker Mallikarjun 
        <sandeepsheriker.mallikarjun@...rochip.com>
Subject: Re: [PATCH] irqchip/atmel-aic5: add support for sam9x60 irqchip

On 09/09/2019 14:00:35+0300, Claudiu Beznea wrote:
> From: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun@...rochip.com>
> 
> Add support for SAM9X60 irqchip.
> 
> Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun@...rochip.com>
> [claudiu.beznea@...rochip.com: update aic5_irq_fixups[], update
>  documentation]
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>

> ---
>  .../devicetree/bindings/interrupt-controller/atmel,aic.txt     |  7 +++++--
>  drivers/irqchip/irq-atmel-aic5.c                               | 10 ++++++++++
>  2 files changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt b/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt
> index f4c5d34c4111..7079d44bf3ba 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt
> +++ b/Documentation/devicetree/bindings/interrupt-controller/atmel,aic.txt
> @@ -1,8 +1,11 @@
>  * Advanced Interrupt Controller (AIC)
>  
>  Required properties:
> -- compatible: Should be "atmel,<chip>-aic"
> -  <chip> can be "at91rm9200", "sama5d2", "sama5d3" or "sama5d4"
> +- compatible: Should be:
> +    - "atmel,<chip>-aic" where  <chip> can be "at91rm9200", "sama5d2",
> +      "sama5d3" or "sama5d4"
> +    - "microchip,<chip>-aic" where <chip> can be "sam9x60"
> +
>  - interrupt-controller: Identifies the node as an interrupt controller.
>  - #interrupt-cells: The number of cells to define the interrupts. It should be 3.
>    The first cell is the IRQ number (aka "Peripheral IDentifier" on datasheet).
> diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c
> index 6acad2ea0fb3..29333497ba10 100644
> --- a/drivers/irqchip/irq-atmel-aic5.c
> +++ b/drivers/irqchip/irq-atmel-aic5.c
> @@ -313,6 +313,7 @@ static void __init sama5d3_aic_irq_fixup(void)
>  static const struct of_device_id aic5_irq_fixups[] __initconst = {
>  	{ .compatible = "atmel,sama5d3", .data = sama5d3_aic_irq_fixup },
>  	{ .compatible = "atmel,sama5d4", .data = sama5d3_aic_irq_fixup },
> +	{ .compatible = "microchip,sam9x60", .data = sama5d3_aic_irq_fixup },
>  	{ /* sentinel */ },
>  };
>  
> @@ -390,3 +391,12 @@ static int __init sama5d4_aic5_of_init(struct device_node *node,
>  	return aic5_of_init(node, parent, NR_SAMA5D4_IRQS);
>  }
>  IRQCHIP_DECLARE(sama5d4_aic5, "atmel,sama5d4-aic", sama5d4_aic5_of_init);
> +
> +#define NR_SAM9X60_IRQS		50
> +
> +static int __init sam9x60_aic5_of_init(struct device_node *node,
> +				       struct device_node *parent)
> +{
> +	return aic5_of_init(node, parent, NR_SAM9X60_IRQS);
> +}
> +IRQCHIP_DECLARE(sam9x60_aic5, "microchip,sam9x60-aic", sam9x60_aic5_of_init);
> -- 
> 2.7.4
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com