From f728f4bfc495a588abda4661c09595112677be25 Mon Sep 17 00:00:00 2001
From: Xiubo Li
Date: Tue, 3 Jun 2014 10:45:14 +0800
Subject: watchdog: imx2_wdt: adds big endianness support.
This watchdog driver will be working on IMX2+, Vybrid, LS1, LS2+
platforms, and will be in different endianness mode in those SoCs:
SoCs WDT endian mode
------------------------------------
IMX2+ LE
Vybird LE
LS1 BE
LS2 LE
Signed-off-by: Xiubo Li
Reviewed-by: Guenter Roeck
Signed-off-by: Wim Van Sebroeck
---
drivers/watchdog/imx2_wdt.c | 7 +++++++
1 file changed, 7 insertions(+)
(limited to 'drivers')
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index 9d4874f09948..68c3d379ffa8 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -28,6 +28,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -190,10 +191,12 @@ static struct regmap_config imx2_wdt_regmap_config = {
static int __init imx2_wdt_probe(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
struct imx2_wdt_device *wdev;
struct watchdog_device *wdog;
struct resource *res;
void __iomem *base;
+ bool big_endian;
int ret;
u32 val;
@@ -201,6 +204,10 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
if (!wdev)
return -ENOMEM;
+ big_endian = of_property_read_bool(np, "big-endian");
+ if (big_endian)
+ imx2_wdt_regmap_config.val_format_endian = REGMAP_ENDIAN_BIG;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
--
cgit 1.4.1