[PATCH] ARM: dts: am57xx-idk: Add DCAN support
From: Sekhar Nori <hidden>
Date: 2017-02-21 10:00:03
Also in:
linux-devicetree, linux-omap
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Schuyler Patton <redacted> 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 <redacted> Signed-off-by: Kishon Vijay Abraham I <redacted> Signed-off-by: Franklin S Cooper Jr <redacted> [nsekhar at ti.com: move to use DRA7XX_CORE_IOPAD()) Signed-off-by: Sekhar Nori <redacted> --- 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 814a720d5c3d..abdee2e7a18e 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi@@ -97,6 +97,22 @@ }; }; +&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>;
@@ -387,6 +403,14 @@ 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";
--
2.9.0