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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>
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Andrew Victor authored and Russell King committed Apr 4, 2008
1 parent 4fd9212 commit e5f40bf
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Showing 6 changed files with 346 additions and 0 deletions.
38 changes: 38 additions & 0 deletions arch/arm/mach-at91/at91cap9_devices.c
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Original file line number Diff line number Diff line change
Expand Up @@ -536,6 +536,43 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
#endif


/* --------------------------------------------------------------------
* Timer/Counter block
* -------------------------------------------------------------------- */

#ifdef CONFIG_ATMEL_TCLIB

static struct resource tcb_resources[] = {
[0] = {
.start = AT91CAP9_BASE_TCB0,
.end = AT91CAP9_BASE_TCB0 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91CAP9_ID_TCB,
.end = AT91CAP9_ID_TCB,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91cap9_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 one clock and irq for all three TC channels */
at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk");
platform_device_register(&at91cap9_tcb_device);
}
#else
static void __init at91_add_device_tc(void) { }
#endif


/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
Expand Down Expand Up @@ -1074,6 +1111,7 @@ static int __init at91_add_standard_devices(void)
{
at91_add_device_rtt();
at91_add_device_watchdog();
at91_add_device_tc();
return 0;
}

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85 changes: 85 additions & 0 deletions arch/arm/mach-at91/at91rm9200_devices.c
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Original file line number Diff line number Diff line change
Expand Up @@ -576,6 +576,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
#endif


/* --------------------------------------------------------------------
* Timer/Counter blocks
* -------------------------------------------------------------------- */

#ifdef CONFIG_ATMEL_TCLIB

static struct resource tcb0_resources[] = {
[0] = {
.start = AT91RM9200_BASE_TCB0,
.end = AT91RM9200_BASE_TCB0 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91RM9200_ID_TC0,
.end = AT91RM9200_ID_TC0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AT91RM9200_ID_TC1,
.end = AT91RM9200_ID_TC1,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = AT91RM9200_ID_TC2,
.end = AT91RM9200_ID_TC2,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91rm9200_tcb0_device = {
.name = "atmel_tcb",
.id = 0,
.resource = tcb0_resources,
.num_resources = ARRAY_SIZE(tcb0_resources),
};

static struct resource tcb1_resources[] = {
[0] = {
.start = AT91RM9200_BASE_TCB1,
.end = AT91RM9200_BASE_TCB1 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91RM9200_ID_TC3,
.end = AT91RM9200_ID_TC3,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AT91RM9200_ID_TC4,
.end = AT91RM9200_ID_TC4,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = AT91RM9200_ID_TC5,
.end = AT91RM9200_ID_TC5,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91rm9200_tcb1_device = {
.name = "atmel_tcb",
.id = 1,
.resource = tcb1_resources,
.num_resources = ARRAY_SIZE(tcb1_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", &at91rm9200_tcb0_device.dev, "t0_clk");
at91_clock_associate("tc1_clk", &at91rm9200_tcb0_device.dev, "t1_clk");
at91_clock_associate("tc2_clk", &at91rm9200_tcb0_device.dev, "t2_clk");
platform_device_register(&at91rm9200_tcb0_device);

at91_clock_associate("tc3_clk", &at91rm9200_tcb1_device.dev, "t0_clk");
at91_clock_associate("tc4_clk", &at91rm9200_tcb1_device.dev, "t1_clk");
at91_clock_associate("tc5_clk", &at91rm9200_tcb1_device.dev, "t2_clk");
platform_device_register(&at91rm9200_tcb1_device);
}
#else
static void __init at91_add_device_tc(void) { }
#endif


/* --------------------------------------------------------------------
* RTC
* -------------------------------------------------------------------- */
Expand Down Expand Up @@ -1141,6 +1225,7 @@ static int __init at91_add_standard_devices(void)
{
at91_add_device_rtc();
at91_add_device_watchdog();
at91_add_device_tc();
return 0;
}

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85 changes: 85 additions & 0 deletions arch/arm/mach-at91/at91sam9260_devices.c
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Original file line number Diff line number Diff line change
Expand Up @@ -544,6 +544,90 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
#endif


/* --------------------------------------------------------------------
* Timer/Counter blocks
* -------------------------------------------------------------------- */

#ifdef CONFIG_ATMEL_TCLIB

static struct resource tcb0_resources[] = {
[0] = {
.start = AT91SAM9260_BASE_TCB0,
.end = AT91SAM9260_BASE_TCB0 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9260_ID_TC0,
.end = AT91SAM9260_ID_TC0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AT91SAM9260_ID_TC1,
.end = AT91SAM9260_ID_TC1,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = AT91SAM9260_ID_TC2,
.end = AT91SAM9260_ID_TC2,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91sam9260_tcb0_device = {
.name = "atmel_tcb",
.id = 0,
.resource = tcb0_resources,
.num_resources = ARRAY_SIZE(tcb0_resources),
};

static struct resource tcb1_resources[] = {
[0] = {
.start = AT91SAM9260_BASE_TCB1,
.end = AT91SAM9260_BASE_TCB1 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9260_ID_TC3,
.end = AT91SAM9260_ID_TC3,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = AT91SAM9260_ID_TC4,
.end = AT91SAM9260_ID_TC4,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = AT91SAM9260_ID_TC5,
.end = AT91SAM9260_ID_TC5,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91sam9260_tcb1_device = {
.name = "atmel_tcb",
.id = 1,
.resource = tcb1_resources,
.num_resources = ARRAY_SIZE(tcb1_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", &at91sam9260_tcb0_device.dev, "t0_clk");
at91_clock_associate("tc1_clk", &at91sam9260_tcb0_device.dev, "t1_clk");
at91_clock_associate("tc2_clk", &at91sam9260_tcb0_device.dev, "t2_clk");
platform_device_register(&at91sam9260_tcb0_device);

at91_clock_associate("tc3_clk", &at91sam9260_tcb1_device.dev, "t0_clk");
at91_clock_associate("tc4_clk", &at91sam9260_tcb1_device.dev, "t1_clk");
at91_clock_associate("tc5_clk", &at91sam9260_tcb1_device.dev, "t2_clk");
platform_device_register(&at91sam9260_tcb1_device);
}
#else
static void __init at91_add_device_tc(void) { }
#endif


/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
Expand Down Expand Up @@ -1108,6 +1192,7 @@ static int __init at91_add_standard_devices(void)
{
at91_add_device_rtt();
at91_add_device_watchdog();
at91_add_device_tc();
return 0;
}

Expand Down
50 changes: 50 additions & 0 deletions arch/arm/mach-at91/at91sam9261_devices.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
* -------------------------------------------------------------------- */
Expand Down Expand Up @@ -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;
}

Expand Down
38 changes: 38 additions & 0 deletions arch/arm/mach-at91/at91sam9263_devices.c
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Original file line number Diff line number Diff line change
Expand Up @@ -787,6 +787,43 @@ void __init at91_add_device_isi(void) {}
#endif


/* --------------------------------------------------------------------
* Timer/Counter block
* -------------------------------------------------------------------- */

#ifdef CONFIG_ATMEL_TCLIB

static struct resource tcb_resources[] = {
[0] = {
.start = AT91SAM9263_BASE_TCB0,
.end = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9263_ID_TCB,
.end = AT91SAM9263_ID_TCB,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91sam9263_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 one clock and irq for all three TC channels */
at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
platform_device_register(&at91sam9263_tcb_device);
}
#else
static void __init at91_add_device_tc(void) { }
#endif


/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
Expand Down Expand Up @@ -1262,6 +1299,7 @@ static int __init at91_add_standard_devices(void)
{
at91_add_device_rtt();
at91_add_device_watchdog();
at91_add_device_tc();
return 0;
}

Expand Down
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