| Message ID | 1373615772-30665-2-git-send-email-b32955@freescale.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Jul 12, 2013 at 03:56:12PM +0800, Huang Shijie wrote: > Add a DT node for uart3, in the imx6q{dl}-sabreauto boards, > the uart3 is used by Bluetooth. > > Since the uart3 has pin conflict with gpmi and weim nor, we keep it > disabled by default. > > Signed-off-by: Huang Shijie <b32955@freescale.com> > --- > arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > index 365e8ff..70a8bf1 100644 > --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi > @@ -67,6 +67,15 @@ > }; > }; > > +&uart3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart3_1>; > + fsl,uart-has-rtscts; > + dma-names = "rx", "tx"; > + dmas = <&sdma 29 4 0>, <&sdma 30 4 0>; These two properties should be added in imx6qdl.dtsi Shawn > + status = "disabled"; /* used by the BT, pin conflict with gpmi and weim NOR */ > +}; > + > &uart4 { > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_uart4_1>; > -- > 1.7.1 > >
? 2013?07?12? 16:40, Shawn Guo ??: >> > +&uart3 { >> > + pinctrl-names = "default"; >> > + pinctrl-0 =<&pinctrl_uart3_1>; >> > + fsl,uart-has-rtscts; >> > + dma-names = "rx", "tx"; >> > + dmas =<&sdma 29 4 0>,<&sdma 30 4 0>; > These two properties should be added in imx6qdl.dtsi the uart3 may does _not_ have the RTS/CTS pins except in the imx6q{dl}-sabreauto boards. Is it proper to add the dma property in the imx6qdl.dtsi? thanks Huang Shijie
diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi index 365e8ff..70a8bf1 100644 --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi @@ -67,6 +67,15 @@ }; }; +&uart3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart3_1>; + fsl,uart-has-rtscts; + dma-names = "rx", "tx"; + dmas = <&sdma 29 4 0>, <&sdma 30 4 0>; + status = "disabled"; /* used by the BT, pin conflict with gpmi and weim NOR */ +}; + &uart4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart4_1>;
Add a DT node for uart3, in the imx6q{dl}-sabreauto boards, the uart3 is used by Bluetooth. Since the uart3 has pin conflict with gpmi and weim nor, we keep it disabled by default. Signed-off-by: Huang Shijie <b32955@freescale.com> --- arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)