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authorVladimir Zapolskiy <vzapolskiy@gmail.com>2010-03-19 18:16:37 +0300
committerSascha Hauer <s.hauer@pengutronix.de>2010-03-30 14:21:12 +0200
commita7dc12ba756021a95866730b482c6e34b13f84ee (patch)
treec1a3ceb86ca92278fbb94008487ed38349763647 /arch
parent0491fcbb76339cecbe4b6b1e862fb0c166bacf2d (diff)
downloadop-kernel-dev-a7dc12ba756021a95866730b482c6e34b13f84ee.zip
op-kernel-dev-a7dc12ba756021a95866730b482c6e34b13f84ee.tar.gz
imx3: Add watchdog platform device support
This patch adds support for build-in watchdog device found on Freescale imx31 and imx35 SoCs. Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-mx3/devices.c19
-rw-r--r--arch/arm/mach-mx3/devices.h3
2 files changed, 20 insertions, 2 deletions
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 6adb586..f891115 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -575,11 +575,26 @@ struct platform_device imx_ssi_device1 = {
.resource = imx_ssi_resources1,
};
-static int mx3_devices_init(void)
+static struct resource imx_wdt_resources[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device imx_wdt_device0 = {
+ .name = "imx-wdt",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(imx_wdt_resources),
+ .resource = imx_wdt_resources,
+};
+
+static int __init mx3_devices_init(void)
{
if (cpu_is_mx31()) {
mxc_nand_resources[0].start = MX31_NFC_BASE_ADDR;
mxc_nand_resources[0].end = MX31_NFC_BASE_ADDR + 0xfff;
+ imx_wdt_resources[0].start = MX31_WDOG_BASE_ADDR;
+ imx_wdt_resources[0].end = MX31_WDOG_BASE_ADDR + 0x3fff;
mxc_register_device(&mxc_rnga_device, NULL);
}
if (cpu_is_mx35()) {
@@ -597,6 +612,8 @@ static int mx3_devices_init(void)
imx_ssi_resources0[1].end = MX35_INT_SSI1;
imx_ssi_resources1[1].start = MX35_INT_SSI2;
imx_ssi_resources1[1].end = MX35_INT_SSI2;
+ imx_wdt_resources[0].start = MX35_WDOG_BASE_ADDR;
+ imx_wdt_resources[0].end = MX35_WDOG_BASE_ADDR + 0x3fff;
}
return 0;
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 42cf175..4f77eb5 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -25,4 +25,5 @@ extern struct platform_device mxc_spi_device1;
extern struct platform_device mxc_spi_device2;
extern struct platform_device imx_ssi_device0;
extern struct platform_device imx_ssi_device1;
-
+extern struct platform_device imx_ssi_device1;
+extern struct platform_device imx_wdt_device0;
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