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Date: Thu, 18 Feb 2016 11:21:06 +0100 From: Romain Izard <romain.izard.pro@...il.com> To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, Nicolas Ferre <nicolas.ferre@...el.com> Cc: Alexandre Belloni <alexandre.belloni@...e-electrons.com>, Linus Walleij <linus.walleij@...aro.org>, Linux GPIO List <linux-gpio@...r.kernel.org>, Romain Izard <romain.izard.pro@...il.com> Subject: [PATCH] ARM: dts: at91: sama5d2 Xplained: Correct the macb irq pinctrl node 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@...il.com> --- 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 { -- 2.5.0
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