From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexandre.belloni@free-electrons.com (Alexandre Belloni) Date: Thu, 20 Oct 2016 17:35:35 +0200 Subject: [PATCH v2] ARM: at91/dt: fixes dbgu pinctrl, set pullup on rx, clear pullup on tx In-Reply-To: <20161016162145.26193-2-sylvain.rochet@finsecur.com> References: <20161016162145.26193-1-sylvain.rochet@finsecur.com> <20161016162145.26193-2-sylvain.rochet@finsecur.com> Message-ID: <20161020153535.7e2b4frcukk2ce2i@piout.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 16/10/2016 at 18:21:45 +0200, Sylvain Rochet wrote : > Remove pullup on dbgu DTXD signal, it is a push-pull output thus the > pullup is pointless. > > Add pullup on dbgu DRXD signal, it prevents the DRXD signal to be left > floating and so consuming a useless extra amount of power in crowbarred > state if nothing is externally connected to dbgu. > > Signed-off-by: Sylvain Rochet > --- > arch/arm/boot/dts/at91rm9200.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9260.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9261.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9263.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9g45.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9n12.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9rl.dtsi | 4 ++-- > arch/arm/boot/dts/at91sam9x5.dtsi | 4 ++-- > arch/arm/boot/dts/sama5d3.dtsi | 4 ++-- > arch/arm/boot/dts/sama5d4.dtsi | 4 ++-- > 10 files changed, 20 insertions(+), 20 deletions(-) > Applied, thanks. -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com