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>

diff --git a/Documentation/devicetree/bindings/arm/spear-misc.txt b/Documentation/devicetree/bindings/arm/spear-misc.txt
new file mode 100644 (file)
index 0000000..cf64982
--- /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 4382547df58a70554abf0ca641175bc5cda2bc04..3a72508c578fc4057213284136565669e3a694ad 100644 (file)
--- 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 90df2022276a75910b7563b3fa0b838fbe50398c..ba57677cee2878a96d102521e7ae921eda7ac8a4 100644 (file)
--- 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