ARM: dts: imx: add alias for gpio

Add alias for gpio nodes, so that gpio driver can identify the port
number and then specify a sensible gpio base rather than using the
one dynamically allocated by gpio core.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

4 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 00bae3aad5ab..5303ab680a34 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -19,6 +19,12 @@
                 serial3 = &uart4;
                 serial4 = &uart5;
                 serial5 = &uart6;
+                gpio0 = &gpio1;
+                gpio1 = &gpio2;
+                gpio2 = &gpio3;
+                gpio3 = &gpio4;
+                gpio4 = &gpio5;
+                gpio5 = &gpio6;
         };
 
         avic: avic-interrupt-controller@e0000000 {
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 53cbaa3d4f90..aba28dc87fc8 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -17,6 +17,10 @@
                 serial0 = &uart1;
                 serial1 = &uart2;
                 serial2 = &uart3;
+                gpio0 = &gpio1;
+                gpio1 = &gpio2;
+                gpio2 = &gpio3;
+                gpio3 = &gpio4;
         };
 
         tzic: tz-interrupt-controller@e0000000 {
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index fc79cdc4b4e6..cd37165edce5 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -19,6 +19,13 @@
                 serial2 = &uart3;
                 serial3 = &uart4;
                 serial4 = &uart5;
+                gpio0 = &gpio1;
+                gpio1 = &gpio2;
+                gpio2 = &gpio3;
+                gpio3 = &gpio4;
+                gpio4 = &gpio5;
+                gpio5 = &gpio6;
+                gpio6 = &gpio7;
         };
 
         tzic: tz-interrupt-controller@0fffc000 {
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 3d3c64b014e6..fd57079f71a9 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -19,6 +19,13 @@
                 serial2 = &uart3;
                 serial3 = &uart4;
                 serial4 = &uart5;
+                gpio0 = &gpio1;
+                gpio1 = &gpio2;
+                gpio2 = &gpio3;
+                gpio3 = &gpio4;
+                gpio4 = &gpio5;
+                gpio5 = &gpio6;
+                gpio6 = &gpio7;
         };
 
         cpus {