From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 1 Sep 2016 09:09:33 -0500 Subject: [PATCH] ARM: dts: am57xx-beagle-x15: fix HDMI LS_OE GPIO In-Reply-To: <1472737901-26494-1-git-send-email-tomi.valkeinen@ti.com> References: <1472737901-26494-1-git-send-email-tomi.valkeinen@ti.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 09/01/2016 08:51 AM, Tomi Valkeinen wrote: > LS_OE GPIO was changed from gpio6_28 to gpio2_30 for the Rev B1 board, > and the current .dts file has the old GPIO. > > Rev B1 is the earliest board supported, so we can just change the .dts. > > This fixes "omapdss error: HDMI I2C Master Error" which causes failure > to read EDID from the monitor. > > Signed-off-by: Tomi Valkeinen > --- > arch/arm/boot/dts/am57xx-beagle-x15.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts > index c4d04c5293b9..07603d9e2da7 100644 > --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts > +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts > @@ -120,7 +120,7 @@ > pinctrl-0 = <&tpd12s015_pins>; > > gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>, /* gpio7_10, CT CP HPD */ > - <&gpio6 28 GPIO_ACTIVE_HIGH>, /* gpio6_28, LS OE */ > + <&gpio2 30 GPIO_ACTIVE_HIGH>, /* gpio2_30, LS OE */ > <&gpio7 12 GPIO_ACTIVE_HIGH>; /* gpio7_12/sp1_cs2, HPD */ > > ports { > I believe we have A2s being shipped as well. we dont want to break A2s either -> I propose we refactor the dts to introduce revb1 X15. -- Regards, Nishanth Menon