The omap devices will use HWMOD for fetching device information
hence it needs to be handled seperately during platform bus
creation during dt build.
Signed-off-by: G, Manjunath Kondaiah <manj...@ti.com>
---
drivers/of/platform.c | 41 ++++++++++++++++++++++++++++++++++++++++-
1 files changed, 40 insertions(+), 1 deletions(-)
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index e50ffcb..bd2c089 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -24,6 +24,10 @@
#include <linux/of_platform.h>
#include <linux/platform_device.h>
+#ifdef CONFIG_ARCH_OMAP2PLUS
+#include <plat/omap_device.h>
+#endif
+
const struct of_device_id of_default_bus_match_table[] = {
{ .compatible = "simple-bus", },
#ifdef CONFIG_ARM_AMBA
@@ -544,6 +548,36 @@ static const struct of_dev_auxdata *of_dev_lookup(const
struct of_dev_auxdata *l
return NULL;
}
+static struct omap_device_pm_latency omap_device_latency[] = {
+ [0] = {
+ .deactivate_func = omap_device_idle_hwmods,
+ .activate_func = omap_device_enable_hwmods,
+ .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+ },
+};
+
+int of_omap_device_create(struct device_node *np, const char *name, int id,
+ void *platform_data,
+ int pd_size)
+{
+ struct omap_hwmod *oh;
+ struct platform_device *pdev;
+
+ oh = omap_hwmod_lookup(name);
+ if (!oh) {
+ pr_err("Could not look up %s\n", name);
+ return -EEXIST;
+ }
+
+ pdev = omap_device_build_dt(np, name, id, oh, platform_data,
+ sizeof(platform_data), omap_device_latency,
+ ARRAY_SIZE(omap_device_latency), 0);
+ WARN(IS_ERR(pdev), "Could not build omap_device for %s\n", name);
+
+ pr_info("DT: omap_device build for %s is successful\n", name);
+ return PTR_ERR(pdev);
+}
+
/**
* of_platform_bus_create() - Create a device for a node and its children.
* @bus: device node of the bus to instantiate
@@ -565,7 +599,7 @@ static int of_platform_bus_create(struct device_node *bus,
struct platform_device *dev;
const char *bus_id = NULL;
void *platform_data = NULL;
- int pd_size;
+ int pd_size = 0;
int id = -1;
int rc = 0;
@@ -597,6 +631,11 @@ static int of_platform_bus_create(struct device_node *bus,
return 0;
}
+ if (of_device_is_compatible(bus, "ti,omap-device")) {
+ of_omap_device_create(bus, bus_id, id, platform_data, pd_size);
+ return 0;
+ }
+
dev = of_platform_device_create_pdata(bus, bus_id, platform_data,
parent);
/* override the id if auxdata gives an id */
--
1.7.4.1
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