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Commit a7dc12ba authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Sascha Hauer
Browse files

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: default avatarVladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 0491fcbb

arch/arm/mach-mx3/devices.c

+18 −1
Original line number Diff line number Diff line
@@ -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;

arch/arm/mach-mx3/devices.h

+2 −1
Original line number Diff line number Diff line
@@ -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;