From b41502e0a59f027775085982af1159446f612f95 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Fri, 15 Aug 2014 16:09:19 +0300 Subject: ARM: dts: dra7-evm: Add CAN support The board has 2 CAN ports but only the first one can be used. Enable the first CAN port. WAKEUP0 pin doesn't have INPUT enable bit so we just disable weak PULLs. The second CAN port cannot be used without hardware modification so we don't enable the second port. Signed-off-by: Roger Quadros Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/dra7-evm.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/arm/boot/dts/dra7-evm.dts') diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 0d8a3bd0f00d..736092b1a535 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -251,6 +251,21 @@ >; }; + dcan1_pins_default: dcan1_pins_default { + pinctrl-single,pins = < + 0x3d0 (PIN_OUTPUT | MUX_MODE0) /* dcan1_tx */ + 0x3d4 (MUX_MODE15) /* dcan1_rx.off */ + 0x418 (PULL_DIS | MUX_MODE1) /* wakeup0.dcan1_rx */ + >; + }; + + dcan1_pins_sleep: dcan1_pins_sleep { + pinctrl-single,pins = < + 0x3d0 (MUX_MODE15) /* dcan1_tx.off */ + 0x3d4 (MUX_MODE15) /* dcan1_rx.off */ + 0x418 (MUX_MODE15) /* wakeup0.off */ + >; + }; }; &i2c1 { @@ -639,3 +654,10 @@ pinctrl-0 = <&davinci_mdio_default>; pinctrl-1 = <&davinci_mdio_sleep>; }; + +&dcan1 { + status = "ok"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&dcan1_pins_default>; + pinctrl-1 = <&dcan1_pins_sleep>; +}; -- cgit v1.2.3