Message ID | 8c90900a5d7538d26ec93287ca4787c1dd97fbce.1531798683.git.baruch@tkos.co.il (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Tue, Jul 17, 2018 at 06:38:02AM +0300, Baruch Siach wrote: > A Hummingboard assembly option provides RS-485 transceiver on UART2 > (/dev/ttymxc1). Add DT node for that. Keep it disabled, since RS-485 is > not assembled by default. > > Signed-off-by: Baruch Siach <baruch@tkos.co.il> Russell, Are you okay with these two patches? Shawn
diff --git a/arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi b/arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi index c413f9c3540f..576437936a60 100644 --- a/arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi @@ -501,6 +501,14 @@ >; }; + pinctrl_hummingboard2_uart2: hummingboard2-uart2 { + fsl,pins = < + MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA 0x1b0b1 + MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA 0x1b0b1 + MX6QDL_PAD_SD4_DAT6__UART2_CTS_B 0x1b0b1 + >; + }; + pinctrl_hummingboard2_uart3: hummingboard2-uart3 { fsl,pins = < MX6QDL_PAD_EIM_D25__UART3_TX_DATA 0x1b0b1 @@ -565,6 +573,14 @@ status = "okay"; }; +/* Optional RS-485 transceiver */ +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hummingboard2_uart2>; + uart-has-rtscts; + status = "disabled"; +}; + &uart3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_hummingboard2_uart3>;
A Hummingboard assembly option provides RS-485 transceiver on UART2 (/dev/ttymxc1). Add DT node for that. Keep it disabled, since RS-485 is not assembled by default. Signed-off-by: Baruch Siach <baruch@tkos.co.il> --- arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)