From: Dave Gerlach <d-gerlach@xxxxxx>
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@xxxxxx>
[t-kristo@xxxxxx: converted to use AM4372_IOPAD macro]
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 50 ++++++++++++++++++++++++++++++++++++-
1 file changed, 49 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index d119f2a..ae6b24e 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -162,7 +162,7 @@
&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 @@
>;
};
+ 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 {
--
1.9.1
