Add DCAN sleep pins to save some power during suspend.
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 215775d..b794abf 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -297,6 +297,13 @@
>;
};
+ dcan0_sleep: dcan0_sleep_pins {
+ pinctrl-single,pins = <
+ 0x178 (PIN_INPUT_PULLUP | MUX_MODE7) /* uart1_ctsn.gpio0_12 */
+ 0x17c (PIN_INPUT_PULLUP | MUX_MODE7) /* uart1_rtsn.gpio0_13 */
+ >;
+ };
+
dcan1_default: dcan1_default_pins {
pinctrl-single,pins = <
0x180 (PIN_OUTPUT | MUX_MODE2) /* uart1_rxd.d_can1_tx */
@@ -304,6 +311,13 @@
>;
};
+ dcan1_sleep: dcan1_sleep_pins {
+ pinctrl-single,pins = <
+ 0x180 (PIN_INPUT_PULLUP | MUX_MODE7) /* uart1_rxd.gpio0_14 */
+ 0x184 (PIN_INPUT_PULLUP | MUX_MODE7) /* uart1_txd.gpio0_15 */
+ >;
+ };
+
vpfe0_pins_default: vpfe0_pins_default {
pinctrl-single,pins = <
0x1B0 (PIN_INPUT_PULLUP | MUX_MODE0) /* cam0_hd mode 0*/
@@ -879,14 +893,16 @@
};
&dcan0 {
- pinctrl-names = "default";
- pinctrl-0 = <&dcan0_default>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&dcan0_default>;
+ pinctrl-1 = <&dcan0_sleep>;
status = "okay";
};
&dcan1 {
- pinctrl-names = "default";
- pinctrl-0 = <&dcan1_default>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&dcan1_default>;
+ pinctrl-1 = <&dcan1_sleep>;
status = "okay";
};
--
2.1.4
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