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[ARM] 4909/1: [AT91] Timer/Counter Block platform_devices

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Register platform_devices for the Timer/Counter Block peripherals
found on the AT91RM9200, SAM9 & CAP9 processors.

Original patch from David Brownell.

Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Andrew Victor
2008-04-02 21:58:00 +01:00
committed by Russell King
parent 4fd9212cb9
commit e5f40bfaf3
6 changed files with 346 additions and 0 deletions
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50
arch/arm/mach-at91/at91sam9261_devices.c
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@@ -547,6 +547,55 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
#endif
/* --------------------------------------------------------------------
* Timer/Counter block
* -------------------------------------------------------------------- */
#ifdef CONFIG_ATMEL_TCLIB
static struct resource tcb_resources[] = {
[0] = {
.start = AT91SAM9261_BASE_TCB0,
.end = AT91SAM9261_BASE_TCB0 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9261_ID_TC0,
.end = AT91SAM9261_ID_TC0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AT91SAM9261_ID_TC1,
.end = AT91SAM9261_ID_TC1,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = AT91SAM9261_ID_TC2,
.end = AT91SAM9261_ID_TC2,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device at91sam9261_tcb_device = {
.name = "atmel_tcb",
.id = 0,
.resource = tcb_resources,
.num_resources = ARRAY_SIZE(tcb_resources),
};
static void __init at91_add_device_tc(void)
{
/* this chip has a separate clock and irq for each TC channel */
at91_clock_associate("tc0_clk", &at91sam9261_tcb_device.dev, "t0_clk");
at91_clock_associate("tc1_clk", &at91sam9261_tcb_device.dev, "t1_clk");
at91_clock_associate("tc2_clk", &at91sam9261_tcb_device.dev, "t2_clk");
platform_device_register(&at91sam9261_tcb_device);
}
#else
static void __init at91_add_device_tc(void) { }
#endif
/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
@@ -1050,6 +1099,7 @@ static int __init at91_add_standard_devices(void)
{
at91_add_device_rtt();
at91_add_device_watchdog();
at91_add_device_tc();
return 0;
}