ARM: dts: am437x-gp-evm: Add DCAN sleep pins

Add DCAN sleep pins to save some power during suspend.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 22038f2..f25d7a6 100644 (file)
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -304,6 +304,13 @@
                >;
        };
 
+       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 */
@@ -311,6 +318,13 @@
                >;
        };
 
+       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*/
@@ -886,14 +900,16 @@
 };
 
 &dcan0 {
-       pinctrl-names = "default";
+       pinctrl-names = "default", "sleep";
        pinctrl-0 = <&dcan0_default>;
+       pinctrl-1 = <&dcan0_sleep>;
        status = "okay";
 };
 
 &dcan1 {
-       pinctrl-names = "default";
+       pinctrl-names = "default", "sleep";
        pinctrl-0 = <&dcan1_default>;
+       pinctrl-1 = <&dcan1_sleep>;
        status = "okay";
 };