ARM: dts: OMAP2+: Identify GPIO banks that are always powered

Add the "ti,gpio-always-on" property to the appropriate GPIO banks to
indicate which banks are always powered and will never lose logic state.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Benoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/omap2420.dtsi

@@ -34,6 +34,7 @@ gpio1: gpio@48018000 {
 			reg = <0x48018000 0x200>;
 			interrupts = <29>;
 			ti,hwmods = "gpio1";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;
@@ -45,6 +46,7 @@ gpio2: gpio@4801a000 {
 			reg = <0x4801a000 0x200>;
 			interrupts = <30>;
 			ti,hwmods = "gpio2";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;
@@ -56,6 +58,7 @@ gpio3: gpio@4801c000 {
 			reg = <0x4801c000 0x200>;
 			interrupts = <31>;
 			ti,hwmods = "gpio3";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;
@@ -67,6 +70,7 @@ gpio4: gpio@4801e000 {
 			reg = <0x4801e000 0x200>;
 			interrupts = <32>;
 			ti,hwmods = "gpio4";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;

arch/arm/boot/dts/omap2430.dtsi

@@ -34,6 +34,7 @@ gpio1: gpio@4900c000 {
 			reg = <0x4900c000 0x200>;
 			interrupts = <29>;
 			ti,hwmods = "gpio1";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;
@@ -45,6 +46,7 @@ gpio2: gpio@4900e000 {
 			reg = <0x4900e000 0x200>;
 			interrupts = <30>;
 			ti,hwmods = "gpio2";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;
@@ -56,6 +58,7 @@ gpio3: gpio@49010000 {
 			reg = <0x49010000 0x200>;
 			interrupts = <31>;
 			ti,hwmods = "gpio3";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;
@@ -67,6 +70,7 @@ gpio4: gpio@49012000 {
 			reg = <0x49012000 0x200>;
 			interrupts = <32>;
 			ti,hwmods = "gpio4";
+			ti,gpio-always-on;
 			#gpio-cells = <2>;
 			gpio-controller;
 			#interrupt-cells = <2>;

arch/arm/boot/dts/omap3.dtsi

@@ -116,6 +116,7 @@ gpio1: gpio@48310000 {
 			reg = <0x48310000 0x200>;
 			interrupts = <29>;
 			ti,hwmods = "gpio1";
+			ti,gpio-always-on;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;

arch/arm/boot/dts/omap4.dtsi

@@ -140,6 +140,7 @@ gpio1: gpio@4a310000 {
 			reg = <0x4a310000 0x200>;
 			interrupts = <0 29 0x4>;
 			ti,hwmods = "gpio1";
+			ti,gpio-always-on;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;

arch/arm/boot/dts/omap5.dtsi

@@ -133,6 +133,7 @@ gpio1: gpio@4ae10000 {
 			reg = <0x4ae10000 0x200>;
 			interrupts = <0 29 0x4>;
 			ti,hwmods = "gpio1";
+			ti,gpio-always-on;
 			gpio-controller;
 			#gpio-cells = <2>;
 			interrupt-controller;