ARM: dts: am437x-gp-evm: Add pinctrl for unused_pins

There are several pins on this EVM that are not in use but they can
still draw power if misconfigured. Create a pinctrl entry for these pins
and configure each one for optimal power savings.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[t-kristo@ti.com: converted to use AM4372_IOPAD macro]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Keerthy <j-keerthy@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 d119f2a4f0e7a5a4c05ce4059d940f9e3b06d298..ae6b24e051eb60bf3ad49e020126f735a7ae8b25 100644 (file)
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -162,7 +162,7 @@ beeper: beeper {
 
 &am43xx_pinmux {
        pinctrl-names = "default", "sleep";
-       pinctrl-0 = <&wlan_pins_default &ddr3_vtt_toggle_default>;
+       pinctrl-0 = <&wlan_pins_default &ddr3_vtt_toggle_default &unused_pins>;
        pinctrl-1 = <&wlan_pins_sleep>;
 
        ddr3_vtt_toggle_default: ddr_vtt_toggle_default {
@@ -532,6 +532,54 @@ AM4372_IOPAD(0x9e0, PIN_OUTPUT_PULLUP | MUX_MODE7) /* cam1_field.gpio4_12 */
                >;
        };
 
+       unused_pins: unused_pins {
+               pinctrl-single,pins = <
+                       AM4372_IOPAD(0x854, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x858, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x950, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x998, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x99c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0x9a0, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa3c, PIN_INPUT | PULL_DISABLE | MUX_MODE7)
+                       AM4372_IOPAD(0xa40, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa44, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa48, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa4c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa50, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa54, PIN_INPUT | PULL_DISABLE | MUX_MODE7)
+                       AM4372_IOPAD(0xa58, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa60, PIN_INPUT | PULL_DISABLE | MUX_MODE7)
+                       AM4372_IOPAD(0xa68, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa70, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa78, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xa7c, PIN_INPUT | PULL_DISABLE)
+                       AM4372_IOPAD(0xac8, PIN_INPUT_PULLDOWN)
+                       AM4372_IOPAD(0xad4, PIN_INPUT_PULLDOWN)
+                       AM4372_IOPAD(0xad8, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xadc, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xae0, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xae4, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xae8, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xaec, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xaf0, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xaf4, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xaf8, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xafc, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb00, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb04, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb08, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb0c, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb10, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb14, PIN_INPUT_PULLDOWN | MUX_MODE7)
+                       AM4372_IOPAD(0xb18, PIN_INPUT_PULLDOWN | MUX_MODE7)
+               >;
+       };
 };
 
 &uart0 {