arm/dts: OMAP3+: Add mpu, dsp and iva nodes

Add nodes for devices used by PM code (mpu, dsp, iva).

Add a cpus node as well as recommended in the DT spec.

Remove mpu, dsp, iva devices init if is populated.

Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Kevin Hilman <khilman@ti.com>

diff --git a/Documentation/devicetree/bindings/arm/omap/dsp.txt b/Documentation/devicetree/bindings/arm/omap/dsp.txt
new file mode 100644 (file)
index 0000000..d3830a3
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/omap/dsp.txt
@@ -0,0 +1,14 @@
+* TI - DSP (Digital Signal Processor)
+
+TI DSP included in OMAP SoC
+
+Required properties:
+- compatible : Should be "ti,omap3-c64" for OMAP3 & 4
+- ti,hwmods: "dsp"
+
+Examples:
+
+dsp {
+    compatible = "ti,omap3-c64";
+    ti,hwmods = "dsp";
+};

diff --git a/Documentation/devicetree/bindings/arm/omap/iva.txt b/Documentation/devicetree/bindings/arm/omap/iva.txt
new file mode 100644 (file)
index 0000000..6d62951
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/omap/iva.txt
@@ -0,0 +1,19 @@
+* TI - IVA (Imaging and Video Accelerator) subsystem
+
+The IVA contain various audio, video or imaging HW accelerator
+depending of the version.
+
+Required properties:
+- compatible : Should be:
+  - "ti,ivahd" for OMAP4
+  - "ti,iva2.2" for OMAP3
+  - "ti,iva2.1" for OMAP2430
+  - "ti,iva1" for OMAP2420
+- ti,hwmods: "iva"
+
+Examples:
+
+iva {
+    compatible = "ti,ivahd", "ti,iva";
+    ti,hwmods = "iva";
+};

diff --git a/Documentation/devicetree/bindings/arm/omap/mpu.txt b/Documentation/devicetree/bindings/arm/omap/mpu.txt
new file mode 100644 (file)
index 0000000..1a5a42c
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/omap/mpu.txt
@@ -0,0 +1,27 @@
+* TI - MPU (Main Processor Unit) subsystem
+
+The MPU subsystem contain one or several ARM cores
+depending of the version.
+The MPU contain CPUs, GIC, L2 cache and a local PRCM.
+
+Required properties:
+- compatible : Should be "ti,omap3-mpu" for OMAP3
+               Should be "ti,omap4-mpu" for OMAP4
+- ti,hwmods: "mpu"
+
+Examples:
+
+- For an OMAP4 SMP system:
+
+mpu {
+    compatible = "ti,omap4-mpu";
+    ti,hwmods = "mpu";
+};
+
+
+- For an OMAP3 monocore system:
+
+mpu {
+    compatible = "ti,omap3-mpu";
+    ti,hwmods = "mpu";
+};

diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
index d558785..d202bb5 100644 (file)
--- a/arch/arm/boot/dts/omap3.dtsi
+++ b/arch/arm/boot/dts/omap3.dtsi
@@ -13,12 +13,31 @@
 / {
        compatible = "ti,omap3430", "ti,omap3";
 
+       cpus {
+               cpu@0 {
+                       compatible = "arm,cortex-a8";
+               };
+       };
+
        /*
         * The soc node represents the soc top level view. It is uses for IPs
         * that are not memory mapped in the MPU view or for the MPU itself.
         */
        soc {
                compatible = "ti,omap-infra";
+               mpu {
+                       compatible = "ti,omap3-mpu";
+                       ti,hwmods = "mpu";
+               };
+
+               iva {
+                       compatible = "ti,iva2.2";
+                       ti,hwmods = "iva";
+
+                       dsp {
+                               compatible = "ti,omap3-c64";
+                       };
+               };
        };
 
        /*

diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index b85a39d..4c61c82 100644 (file)
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -23,12 +23,35 @@
        aliases {
        };
 
+       cpus {
+               cpu@0 {
+                       compatible = "arm,cortex-a9";
+               };
+               cpu@1 {
+                       compatible = "arm,cortex-a9";
+               };
+       };
+
        /*
         * The soc node represents the soc top level view. It is uses for IPs
         * that are not memory mapped in the MPU view or for the MPU itself.
         */
        soc {
                compatible = "ti,omap-infra";
+               mpu {
+                       compatible = "ti,omap4-mpu";
+                       ti,hwmods = "mpu";
+               };
+
+               dsp {
+                       compatible = "ti,omap3-c64";
+                       ti,hwmods = "dsp";
+               };
+
+               iva {
+                       compatible = "ti,ivahd";
+                       ti,hwmods = "iva";
+               };
        };
 
        /*

diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
index 9e78261..2ab7a9e 100644 (file)
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -215,7 +215,8 @@ static void __init omap4_init_voltages(void)
 
 static int __init omap2_common_pm_init(void)
 {
-       omap2_init_processor_devices();
+       if (!of_have_populated_dt())
+               omap2_init_processor_devices();
        omap_pm_if_init();
 
        return 0;