From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 1 Sep 2016 09:14:34 -0500 Subject: [PATCH] ARM: dts: am57xx-beagle-x15: fix HDMI LS_OE GPIO In-Reply-To: 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 09:12 AM, Robert Nelson wrote: > On Thu, Sep 1, 2016 at 9:09 AM, Nishanth Menon wrote: >> 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. > > There are at-least 200 A2's that have been shipped to end users. > > http://uk.rs-online.com/web/p/processor-microcontroller-development-kits/8874764/ Thanks. Tomi: if you are ok - I already do have a refactoring code from older kernel. I will rebase to latest and repost. Tony: is there a branch youd' like me to base the changes on? -- Regards, Nishanth Menon