From ea95af3c168b2bb74b1cad0f45a4609ba929afa5 Mon Sep 17 00:00:00 2001 From: Roger Quadros Date: Mon, 3 Nov 2014 13:07:18 +0200 Subject: [PATCH] ARM: dts: dra72-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/dra72-evm.dts | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts index abbaaa782f88..afc74fd4bb5e 100644 --- a/arch/arm/boot/dts/dra72-evm.dts +++ b/arch/arm/boot/dts/dra72-evm.dts @@ -105,6 +105,22 @@ mmc2_pins_default: mmc2_pins_default { 0x98 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */ >; }; + + 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 { @@ -438,3 +454,10 @@ &davinci_mdio { pinctrl-1 = <&davinci_mdio_sleep>; active_slave = <1>; }; + +&dcan1 { + status = "ok"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&dcan1_pins_default>; + pinctrl-1 = <&dcan1_pins_sleep>; +}; -- 2.45.2