ARM: SPEAr13xx: Add bindings and dt node for misc block

SPEAr SOCs have some miscellaneous registers which are used to configure
peripheral.

This patch adds dt node and binding information for this block.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Cc: devicetree@vger.kernel.org
[viresh: fixed logs/cclist]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

3 files changed, 15 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/spear-misc.txt b/Documentation/devicetree/bindings/arm/spear-misc.txt
new file mode 100644
index 000000000000..cf649827ffcd
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/spear-misc.txt
@@ -0,0 +1,9 @@
+SPEAr Misc configuration
+===========================
+SPEAr SOCs have some miscellaneous registers which are used to configure
+few properties of different peripheral controllers.
+
+misc node required properties:
+
+- compatible Should be  "st,spear1340-misc", "syscon".
+- reg: Address range of misc space upto 8K
diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi
index 4382547df58a..3a72508c578f 100644
--- a/arch/arm/boot/dts/spear13xx.dtsi
+++ b/arch/arm/boot/dts/spear13xx.dtsi
@@ -220,6 +220,11 @@
                                   0xd8000000 0xd8000000 0x01000000
                                   0xe0000000 0xe0000000 0x10000000>;
 
+                        misc: syscon@e0700000 {
+                                compatible = "st,spear1340-misc", "syscon";
+                                reg = <0xe0700000 0x1000>;
+                        };
+
                         gpio0: gpio@e0600000 {
                                 compatible = "arm,pl061", "arm,primecell";
                                 reg = <0xe0600000 0x1000>;
diff --git a/arch/arm/mach-spear/Kconfig b/arch/arm/mach-spear/Kconfig
index 90df2022276a..ba57677cee28 100644
--- a/arch/arm/mach-spear/Kconfig
+++ b/arch/arm/mach-spear/Kconfig
@@ -19,6 +19,7 @@ config ARCH_SPEAR13XX
         select HAVE_ARM_SCU if SMP
         select HAVE_ARM_TWD if SMP
         select PINCTRL
+        select MFD_SYSCON
         help
           Supports for ARM's SPEAR13XX family