[PATCH v5 14/14] ARM: mvebu: register the cpuidle driver for the Armada XP SoCs

[Gregory CLEMENT <gregory.clement@free-electrons.com>]

The cpuidle is a platform driver so we register the device just after
the initialization of the board in an arch_initcall.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
 arch/arm/mach-mvebu/pmsu.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 5812ff4a9b63..fa611594b65a 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/of_address.h>
 #include <linux/io.h>
+#include <linux/platform_device.h>
 #include <linux/smp.h>
 #include <asm/cacheflush.h>
 #include <asm/cp15.h>
@@ -65,6 +66,10 @@ static void __iomem *pmsu_reset_base;
 extern void ll_disable_coherency(void);
 extern void ll_enable_coherency(void);
 
+static struct platform_device armada_xp_cpuidle_device = {
+	.name = "cpuidle-armada-370-xp",
+};
+
 static struct of_device_id of_pmsu_table[] = {
 	{
 		.compatible = "marvell,armada-370-pmsu",
@@ -285,4 +290,21 @@ static struct notifier_block armada_370_xp_cpu_pm_notifier = {
 	.notifier_call = armada_370_xp_cpu_pm_notify,
 };
 
+int __init armada_370_xp_cpu_pm_init(void)
+{
+	if (!((of_find_compatible_node(NULL, NULL, "marvell,armada-370-xp-pmsu") ||
+				of_find_compatible_node(NULL, NULL, "marvell,armada-370-pmsu"))
+			&& of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric")
+			&& of_machine_is_compatible("marvell,armadaxp")))
+		return 0;
+
+	armada_370_xp_pmsu_enable_l2_powerdown_onidle();
+	armada_xp_cpuidle_device.dev.platform_data = armada_370_xp_cpu_suspend;
+	platform_device_register(&armada_xp_cpuidle_device);
+	cpu_pm_register_notifier(&armada_370_xp_cpu_pm_notifier);
+
+	return 0;
+}
+
+arch_initcall(armada_370_xp_cpu_pm_init);
 early_initcall(armada_370_xp_pmsu_init);
-- 
1.8.1.2