diff options
| author | Xiubo Li <Li.Xiubo@freescale.com> | 2014-06-03 02:45:14 (GMT) |
|---|---|---|
| committer | Matthew Weigel <Matthew.Weigel@freescale.com> | 2014-12-11 18:38:03 (GMT) |
| commit | 493dcca333efb0c3f2b9444055a7614bd8319861 (patch) | |
| tree | 0dd209428c706e66f9d4b094180e8aeaf53847d2 /drivers/watchdog | |
| parent | 31a20b2848b54a3e49e08fac9722c4677639f3c1 (diff) | |
| download | linux-fsl-qoriq-493dcca333efb0c3f2b9444055a7614bd8319861.tar.xz | |
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 <Li.Xiubo@freescale.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
This patch is pulled back from upstream:
commit f728f4bfc495a588abda4661c09595112677be25
Change-Id: Ibc1ae6c45d60fb947b26ff8ea7d5bf220b4c6b10
Reviewed-on: http://git.am.freescale.net:8181/21408
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/imx2_wdt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 9d4874f..68c3d37 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -28,6 +28,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/of_address.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/timer.h> @@ -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)) |