From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@freescale.com (Shawn Guo) Date: Tue, 1 Jul 2014 17:14:26 +0800 Subject: [PATCH 2/5] ARM: dts: imx6: edmqmx6: Add PCIe support In-Reply-To: References: Message-ID: <20140701091425.GI14471@dragon> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jun 30, 2014 at 03:28:06PM +0200, Silvio Fricke wrote: > Add support for the PCI express bus available on MX6 Data Modul > edm-qmx6 board. > > Signed-off-by: Silvio Fricke > --- > arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts > index e030263..b0dd50b 100644 > --- a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts > +++ b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts > @@ -323,6 +323,12 @@ > >; > }; > > + pinctrl_pcie: pciegrp { > + fsl,pins = < > + MX6QDL_PAD_KEY_COL1__GPIO4_IO08 0x80000000 I know it's been used a lot, but I would start requesting to put a real pad config value instead of 0x80000000, so that the kernel does not depend on the value coming out of hardware reset or bootloader. Shawn > + >; > + }; > + > pinctrl_pfuze: pfuze100grp1 { > fsl,pins = < > MX6QDL_PAD_EIM_D20__GPIO3_IO20 0x80000000 > @@ -385,6 +391,13 @@ > }; > }; > > +&pcie { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_pcie>; > + reset-gpio = <&gpio4 8 0>; > + status = "okay"; > +}; > + > &sata { > status = "okay"; > }; > -- > 2.0.0 >