From 0e1b21169392f1f666897af579966a8a75f36ba8 Mon Sep 17 00:00:00 2001 From: Schuyler Patton Date: Tue, 21 Feb 2017 15:30:03 +0530 Subject: [PATCH] ARM: dts: am57xx-idk: Add DCAN support AM571x IDK and the AM572x IDK use CAN1 interface. This patch enables it for both boards. Tested on AM572x IDK using cansequence. Signed-off-by: Schuyler Patton Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Franklin S Cooper Jr [nsekhar@ti.com: move to use DRA7XX_CORE_IOPAD()) Signed-off-by: Sekhar Nori Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am57xx-idk-common.dtsi | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi index 0d341c5..22cdaab 100644 --- a/arch/arm/boot/dts/am57xx-idk-common.dtsi +++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi @@ -101,6 +101,22 @@ }; }; +&dra7_pmx_core { + dcan1_pins_default: dcan1_pins_default { + pinctrl-single,pins = < + DRA7XX_CORE_IOPAD(0x37d0, PIN_OUTPUT_PULLUP | MUX_MODE0) /* dcan1_tx */ + DRA7XX_CORE_IOPAD(0x37d4, PIN_INPUT_PULLUP | MUX_MODE0) /* dcan1_rx */ + >; + }; + + dcan1_pins_sleep: dcan1_pins_sleep { + pinctrl-single,pins = < + DRA7XX_CORE_IOPAD(0x37d0, MUX_MODE15 | PULL_UP) /* dcan1_tx.off */ + DRA7XX_CORE_IOPAD(0x37d4, MUX_MODE15 | PULL_UP) /* dcan1_rx.off */ + >; + }; +}; + &i2c1 { status = "okay"; clock-frequency = <400000>; @@ -391,6 +407,14 @@ max-frequency = <96000000>; }; +&dcan1 { + status = "okay"; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; + pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; +}; + &qspi { status = "okay"; -- 2.7.4