From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Tue, 19 Apr 2016 15:53:07 +0200 Subject: [U-Boot] [PATCH] board: ge: bx50v3: Disable unused pins In-Reply-To: <1460581398-27908-1-git-send-email-akshay.bhat@timesys.com> References: <1460581398-27908-1-git-send-email-akshay.bhat@timesys.com> Message-ID: <57163843.2080608@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 13/04/2016 23:03, Akshay Bhat wrote: > From: Justin Waters > > Certain pins are not used on the i.MX6, and should have a neutral > pad configuration in order to reduce electrical interference on > the board. This commit defines these pins with a default value > rather than relying on the system defaults. > > Signed-off-by: Justin Waters > Signed-off-by: Akshay Bhat > Cc: Stefano Babic > --- > board/ge/bx50v3/bx50v3.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c > index 822fc35..ff8f4d7 100644 > --- a/board/ge/bx50v3/bx50v3.c > +++ b/board/ge/bx50v3/bx50v3.c > @@ -28,6 +28,10 @@ > #include > DECLARE_GLOBAL_DATA_PTR; > > +#define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ > + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ > + PAD_CTL_HYS) > + > #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ > PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ > PAD_CTL_SRE_FAST | PAD_CTL_HYS) > @@ -532,6 +536,12 @@ int board_eth_init(bd_t *bis) > > static iomux_v3_cfg_t const misc_pads[] = { > MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), > + MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL), > + MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL), > + MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL), > + MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL), > + MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL), > + MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL), > }; > #define SUS_S3_OUT IMX_GPIO_NR(4, 11) > #define WIFI_EN IMX_GPIO_NR(6, 14) > Applied to master, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================