From bb7d97862e456bd81ab2b6bc47073e63ea4e91a5 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Wed, 22 Mar 2017 21:06:34 +0530 Subject: [PATCH] ARM: dts: am437x-gp-evm: Add pinmux for uart0 Add pinmux for rx,tx,cts and rts lines of uart0. This will enable uart0 to use hardware flow control. Signed-off-by: Vignesh R Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am437x-gp-evm.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index a4f3173..397e98b 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -501,6 +501,21 @@ AM4372_IOPAD(0x884, PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn2.gpio1_31 */ >; }; + + uart0_pins_default: uart0_pins_default { + pinctrl-single,pins = < + AM4372_IOPAD(0x968, PIN_INPUT | MUX_MODE0) /* uart0_ctsn.uart0_ctsn */ + AM4372_IOPAD(0x96C, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_rtsn.uart0_rtsn */ + AM4372_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ + AM4372_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ + >; + }; +}; + +&uart0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins_default>; }; &i2c0 { -- 2.7.4