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Diffstat (limited to 'arch/arm/mach-keystone/keystone.c')
-rw-r--r--arch/arm/mach-keystone/keystone.c50
1 files changed, 45 insertions, 5 deletions
diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c
index 68039aad3014..f63671a3024c 100644
--- a/arch/arm/mach-keystone/keystone.c
+++ b/arch/arm/mach-keystone/keystone.c
@@ -6,13 +6,15 @@
* Cyril Chemparathy <cyril@ti.com>
* Santosh Shilimkar <santosh.shillimkar@ti.com>
*/
+
#include <linux/io.h>
-#include <linux/of.h>
#include <linux/dma-map-ops.h>
#include <linux/init.h>
-#include <linux/of_platform.h>
-#include <linux/of_address.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm_clock.h>
#include <linux/memblock.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
#include <asm/setup.h>
#include <asm/mach/map.h>
@@ -20,9 +22,47 @@
#include <asm/mach/time.h>
#include <asm/page.h>
-#include "memory.h"
+#define KEYSTONE_LOW_PHYS_START 0x80000000ULL
+#define KEYSTONE_LOW_PHYS_SIZE 0x80000000ULL /* 2G */
+#define KEYSTONE_LOW_PHYS_END (KEYSTONE_LOW_PHYS_START + \
+ KEYSTONE_LOW_PHYS_SIZE - 1)
+
+#define KEYSTONE_HIGH_PHYS_START 0x800000000ULL
+#define KEYSTONE_HIGH_PHYS_SIZE 0x400000000ULL /* 16G */
+#define KEYSTONE_HIGH_PHYS_END (KEYSTONE_HIGH_PHYS_START + \
+ KEYSTONE_HIGH_PHYS_SIZE - 1)
+
+static struct dev_pm_domain keystone_pm_domain = {
+ .ops = {
+ USE_PM_CLK_RUNTIME_OPS
+ USE_PLATFORM_PM_SLEEP_OPS
+ },
+};
+
+static struct pm_clk_notifier_block platform_domain_notifier = {
+ .pm_domain = &keystone_pm_domain,
+ .con_ids = { NULL },
+};
+
+static const struct of_device_id of_keystone_table[] = {
+ {.compatible = "ti,k2hk"},
+ {.compatible = "ti,k2e"},
+ {.compatible = "ti,k2l"},
+ { /* end of list */ },
+};
+
+static int __init keystone_pm_runtime_init(void)
+{
+ struct device_node *np;
-#include "keystone.h"
+ np = of_find_matching_node(NULL, of_keystone_table);
+ if (!np)
+ return 0;
+
+ pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier);
+
+ return 0;
+}
#ifdef CONFIG_ARM_LPAE
static int keystone_platform_notifier(struct notifier_block *nb,