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path: root/drivers/mtd/hyperbus/hbmc-am654.c
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Diffstat (limited to 'drivers/mtd/hyperbus/hbmc-am654.c')
-rw-r--r--drivers/mtd/hyperbus/hbmc-am654.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mtd/hyperbus/hbmc-am654.c b/drivers/mtd/hyperbus/hbmc-am654.c
index 08d543b124cd..f350a0809f88 100644
--- a/drivers/mtd/hyperbus/hbmc-am654.c
+++ b/drivers/mtd/hyperbus/hbmc-am654.c
@@ -11,6 +11,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mux/consumer.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/types.h>
@@ -57,8 +58,10 @@ static const struct hyperbus_ops am654_hbmc_ops = {
static int am654_hbmc_probe(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct am654_hbmc_priv *priv;
+ struct resource res;
int ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -67,6 +70,10 @@ static int am654_hbmc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret)
+ return ret;
+
if (of_property_read_bool(dev->of_node, "mux-controls")) {
struct mux_control *control = devm_mux_control_get(dev, NULL);
@@ -88,6 +95,11 @@ static int am654_hbmc_probe(struct platform_device *pdev)
goto disable_pm;
}
+ priv->hbdev.map.size = resource_size(&res);
+ priv->hbdev.map.virt = devm_ioremap_resource(dev, &res);
+ if (IS_ERR(priv->hbdev.map.virt))
+ return PTR_ERR(priv->hbdev.map.virt);
+
priv->ctlr.dev = dev;
priv->ctlr.ops = &am654_hbmc_ops;
priv->hbdev.ctlr = &priv->ctlr;