linux-kernel - Re: [PATCH v3 5/5] irqchip: ocelot: Add support for Jaguar2 platforms

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Message-ID: <20201118104641.GD4556@piout.net>
Date:   Wed, 18 Nov 2020 11:46:41 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Gregory CLEMENT <gregory.clement@...tlin.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen.Hegelund@...rochip.com
Subject: Re: [PATCH v3 5/5] irqchip: ocelot: Add support for Jaguar2 platforms

On 16/11/2020 17:24:27+0100, Gregory CLEMENT wrote:
> This patch extends irqchip driver for ocelot to be used with an other
> vcoreiii base platform: Jaguar2.
> 
> Based on a larger patch from Lars Povlsen <lars.povlsen@...rochip.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>

> ---
>  drivers/irqchip/irq-mscc-ocelot.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/irqchip/irq-mscc-ocelot.c b/drivers/irqchip/irq-mscc-ocelot.c
> index 584af3b0a9e2..0dfea8771172 100644
> --- a/drivers/irqchip/irq-mscc-ocelot.c
> +++ b/drivers/irqchip/irq-mscc-ocelot.c
> @@ -70,6 +70,18 @@ static const struct chip_props luton_props = {
>  	.n_irq			= 28,
>  };
>  
> +static const struct chip_props jaguar2_props = {
> +	.flags			= FLAGS_HAS_TRIGGER,
> +	.reg_off_sticky		= 0x10,
> +	.reg_off_ena		= 0x18,
> +	.reg_off_ena_clr	= 0x1c,
> +	.reg_off_ena_set	= 0x20,
> +	.reg_off_ident		= 0x38,
> +	.reg_off_trigger	= 0x5c,
> +	.reg_off_force		= 0xc,
> +	.n_irq			= 29,
> +};
> +
>  static void ocelot_irq_unmask(struct irq_data *data)
>  {
>  	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
> @@ -237,3 +249,11 @@ static int __init luton_irq_init(struct device_node *node,
>  }
>  
>  IRQCHIP_DECLARE(luton_icpu, "mscc,luton-icpu-intr", luton_irq_init);
> +
> +static int __init jaguar2_irq_init(struct device_node *node,
> +				   struct device_node *parent)
> +{
> +	return vcoreiii_irq_init(node, parent, &jaguar2_props);
> +}
> +
> +IRQCHIP_DECLARE(jaguar2_icpu, "mscc,jaguar2-icpu-intr", jaguar2_irq_init);
> -- 
> 2.29.2
> 

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