ARM: ux500: define serial port aliases

This enumerates the PL011 serial ports on the Ux500. This is
necessary to do if we want to remove one of the serial ports,
since userspace depends on console to be present on ttyAMA2
and we must not break userspace.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/boot/dts/ste-ccu8540.dts b/arch/arm/boot/dts/ste-ccu8540.dts
index 32dd55e..6eaaf63 100644 (file)
--- a/arch/arm/boot/dts/ste-ccu8540.dts
+++ b/arch/arm/boot/dts/ste-ccu8540.dts
@@ -17,6 +17,13 @@
        model = "ST-Ericsson U8540 platform with Device Tree";
        compatible = "st-ericsson,ccu8540", "st-ericsson,u8540";
 
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
+
        memory@0 {
                device_type = "memory";
                reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>;

diff --git a/arch/arm/boot/dts/ste-ccu9540.dts b/arch/arm/boot/dts/ste-ccu9540.dts
index 651c56d..c8b8158 100644 (file)
--- a/arch/arm/boot/dts/ste-ccu9540.dts
+++ b/arch/arm/boot/dts/ste-ccu9540.dts
@@ -16,6 +16,13 @@
        model = "ST-Ericsson CCU9540 platform with Device Tree";
        compatible = "st-ericsson,ccu9540", "st-ericsson,u9540";
 
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
+
        memory {
                reg = <0x00000000 0x20000000>;
        };

diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi
index 853684a..a75f328 100644 (file)
--- a/arch/arm/boot/dts/ste-dbx5x0.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi
@@ -971,7 +971,7 @@
                        power-domains = <&pm_domains DOMAIN_VAPE>;
                };
 
-               uart@80120000 {
+               ux500_serial0: uart@80120000 {
                        compatible = "arm,pl011", "arm,primecell";
                        reg = <0x80120000 0x1000>;
                        interrupts = <0 11 IRQ_TYPE_LEVEL_HIGH>;
@@ -986,7 +986,7 @@
                        status = "disabled";
                };
 
-               uart@80121000 {
+               ux500_serial1: uart@80121000 {
                        compatible = "arm,pl011", "arm,primecell";
                        reg = <0x80121000 0x1000>;
                        interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>;
@@ -1001,7 +1001,7 @@
                        status = "disabled";
                };
 
-               uart@80007000 {
+               ux500_serial2: uart@80007000 {
                        compatible = "arm,pl011", "arm,primecell";
                        reg = <0x80007000 0x1000>;
                        interrupts = <0 26 IRQ_TYPE_LEVEL_HIGH>;

diff --git a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts
index 2b1cb5b..18e9795 100644 (file)
--- a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts
+++ b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts
@@ -17,6 +17,13 @@
        model = "ST-Ericsson HREF (pre-v60) and ST UIB";
        compatible = "st-ericsson,mop500", "st-ericsson,u8500";
 
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
+
        soc {
                /* Reset line for the BU21013 touchscreen */
                i2c@80110000 {

diff --git a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts
index 59523f8..2473991 100644 (file)
--- a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts
+++ b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts
@@ -16,4 +16,11 @@
 / {
        model = "ST-Ericsson HREF (pre-v60) and TVK1281618 UIB";
        compatible = "st-ericsson,mop500", "st-ericsson,u8500";
+
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
 };

diff --git a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts
index 8c6a2de..c2e1ba0 100644 (file)
--- a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts
+++ b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts
@@ -19,6 +19,13 @@
        model = "ST-Ericsson HREF (v60+) and ST UIB";
        compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500";
 
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
+
        soc {
                /* Reset line for the BU21013 touchscreen */
                i2c@80110000 {

diff --git a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts
index d53cccd..ebd8547 100644 (file)
--- a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts
+++ b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts
@@ -18,4 +18,11 @@
 / {
        model = "ST-Ericsson HREF (v60+) and TVK1281618 UIB";
        compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500";
+
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
 };

diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts
index 9edadc3..acf14ce 100644 (file)
--- a/arch/arm/boot/dts/ste-snowball.dts
+++ b/arch/arm/boot/dts/ste-snowball.dts
@@ -18,6 +18,13 @@
        model = "Calao Systems Snowball platform with device tree";
        compatible = "calaosystems,snowball-a9500", "st-ericsson,u9500";
 
+       /* This stablilizes the serial port enumeration */
+       aliases {
+               serial0 = &ux500_serial0;
+               serial1 = &ux500_serial1;
+               serial2 = &ux500_serial2;
+       };
+
        memory {
                reg = <0x00000000 0x20000000>;
        };