From: Nicolas Ferre <nicolas.ferre@atmel.com>
To: Romain Izard <romain.izard.pro@gmail.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>,
Linus Walleij <linus.walleij@linaro.org>,
Linux GPIO List <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node
Date: Tue, 1 Mar 2016 10:48:05 +0100 [thread overview]
Message-ID: <56D56555.1030703@atmel.com> (raw)
In-Reply-To: <1455790866-13301-1-git-send-email-romain.izard.pro@gmail.com>
Le 18/02/2016 11:21, Romain Izard a écrit :
> All pinctrl nodes for the Atmel pinctrl controller need to have their
> bias configuration explicitly defined. Otherwise, the pinctrl mapping
> is not valid.
>
> It works for now as the pinctrl driver proceeds even with invalid
> mappings, but this can become an issue, if the pinctrl driver starts
> to require valid mappings. Additionally, the pin is not protected from
> being remapped later by an other driver.
>
> There is an external 1kΩ pull-up to 3.3V, so no bias is required on
> the Ethernet PHY's interrupt line.
>
> Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
And queued on at91-4.5-dt.
Thanks! Bye,
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> index e683856c507c..75341eec2dfd 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> @@ -308,6 +308,7 @@
>
> pinctrl_macb0_phy_irq: macb0_phy_irq {
> pinmux = <PIN_PC9__GPIO>;
> + bias-disable;
> };
>
> pinctrl_pdmic_default: pdmic_default {
>
--
Nicolas Ferre
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WARNING: multiple messages have this Message-ID (diff)
From: nicolas.ferre@atmel.com (Nicolas Ferre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node
Date: Tue, 1 Mar 2016 10:48:05 +0100 [thread overview]
Message-ID: <56D56555.1030703@atmel.com> (raw)
In-Reply-To: <1455790866-13301-1-git-send-email-romain.izard.pro@gmail.com>
Le 18/02/2016 11:21, Romain Izard a ?crit :
> All pinctrl nodes for the Atmel pinctrl controller need to have their
> bias configuration explicitly defined. Otherwise, the pinctrl mapping
> is not valid.
>
> It works for now as the pinctrl driver proceeds even with invalid
> mappings, but this can become an issue, if the pinctrl driver starts
> to require valid mappings. Additionally, the pin is not protected from
> being remapped later by an other driver.
>
> There is an external 1k? pull-up to 3.3V, so no bias is required on
> the Ethernet PHY's interrupt line.
>
> Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
And queued on at91-4.5-dt.
Thanks! Bye,
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> index e683856c507c..75341eec2dfd 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> @@ -308,6 +308,7 @@
>
> pinctrl_macb0_phy_irq: macb0_phy_irq {
> pinmux = <PIN_PC9__GPIO>;
> + bias-disable;
> };
>
> pinctrl_pdmic_default: pdmic_default {
>
--
Nicolas Ferre
WARNING: multiple messages have this Message-ID (diff)
From: Nicolas Ferre <nicolas.ferre@atmel.com>
To: Romain Izard <romain.izard.pro@gmail.com>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>,
Linus Walleij <linus.walleij@linaro.org>,
Linux GPIO List <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node
Date: Tue, 1 Mar 2016 10:48:05 +0100 [thread overview]
Message-ID: <56D56555.1030703@atmel.com> (raw)
In-Reply-To: <1455790866-13301-1-git-send-email-romain.izard.pro@gmail.com>
Le 18/02/2016 11:21, Romain Izard a écrit :
> All pinctrl nodes for the Atmel pinctrl controller need to have their
> bias configuration explicitly defined. Otherwise, the pinctrl mapping
> is not valid.
>
> It works for now as the pinctrl driver proceeds even with invalid
> mappings, but this can become an issue, if the pinctrl driver starts
> to require valid mappings. Additionally, the pin is not protected from
> being remapped later by an other driver.
>
> There is an external 1kΩ pull-up to 3.3V, so no bias is required on
> the Ethernet PHY's interrupt line.
>
> Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
And queued on at91-4.5-dt.
Thanks! Bye,
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> index e683856c507c..75341eec2dfd 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> @@ -308,6 +308,7 @@
>
> pinctrl_macb0_phy_irq: macb0_phy_irq {
> pinmux = <PIN_PC9__GPIO>;
> + bias-disable;
> };
>
> pinctrl_pdmic_default: pdmic_default {
>
--
Nicolas Ferre
next prev parent reply other threads:[~2016-03-01 9:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-18 10:21 [PATCH] ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node Romain Izard
2016-02-18 10:21 ` Romain Izard
2016-02-19 13:19 ` Ludovic Desroches
2016-02-19 13:19 ` Ludovic Desroches
2016-02-19 13:19 ` Ludovic Desroches
2016-03-01 9:48 ` Nicolas Ferre [this message]
2016-03-01 9:48 ` Nicolas Ferre
2016-03-01 9:48 ` Nicolas Ferre
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