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 <spatton@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
[nsekhar@ti.com: move to use DRA7XX_CORE_IOPAD())
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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";