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avr32: Add PSIF platform devices

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This patch adds the PS/2 interface (PSIF) to the device code, split into
two platform devices, one for each port.

The function for adding the PSIF platform device is also added to the
board header file.

Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
This commit is contained in:
Hans-Christian Egtvedt 2008-02-25 11:24:30 +01:00 committed by Haavard Skinnemoen
parent 47882cf620
commit d86d314f67
2 changed files with 78 additions and 0 deletions
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77
arch/avr32/mach-at32ap/at32ap700x.c
View File

@ -833,6 +833,81 @@ void __init at32_add_system_devices(void)
platform_device_register(&pio4_device);
}
/* --------------------------------------------------------------------
* PSIF
* -------------------------------------------------------------------- */
static struct resource atmel_psif0_resource[] __initdata = {
{
.start = 0xffe03c00,
.end = 0xffe03cff,
.flags = IORESOURCE_MEM,
},
IRQ(18),
};
static struct clk atmel_psif0_pclk = {
.name = "pclk",
.parent = &pba_clk,
.mode = pba_clk_mode,
.get_rate = pba_clk_get_rate,
.index = 15,
};
static struct resource atmel_psif1_resource[] __initdata = {
{
.start = 0xffe03d00,
.end = 0xffe03dff,
.flags = IORESOURCE_MEM,
},
IRQ(18),
};
static struct clk atmel_psif1_pclk = {
.name = "pclk",
.parent = &pba_clk,
.mode = pba_clk_mode,
.get_rate = pba_clk_get_rate,
.index = 15,
};
struct platform_device *__init at32_add_device_psif(unsigned int id)
{
struct platform_device *pdev;
if (!(id == 0 || id == 1))
return NULL;
pdev = platform_device_alloc("atmel_psif", id);
if (!pdev)
return NULL;
switch (id) {
case 0:
if (platform_device_add_resources(pdev, atmel_psif0_resource,
ARRAY_SIZE(atmel_psif0_resource)))
goto err_add_resources;
atmel_psif0_pclk.dev = &pdev->dev;
select_peripheral(PA(8), PERIPH_A, 0); /* CLOCK */
select_peripheral(PA(9), PERIPH_A, 0); /* DATA */
break;
case 1:
if (platform_device_add_resources(pdev, atmel_psif1_resource,
ARRAY_SIZE(atmel_psif1_resource)))
goto err_add_resources;
atmel_psif1_pclk.dev = &pdev->dev;
select_peripheral(PB(11), PERIPH_A, 0); /* CLOCK */
select_peripheral(PB(12), PERIPH_A, 0); /* DATA */
break;
default:
return NULL;
}
platform_device_add(pdev);
return pdev;
err_add_resources:
platform_device_put(pdev);
return NULL;
}
/* --------------------------------------------------------------------
* USART
* -------------------------------------------------------------------- */
@ -1934,6 +2009,8 @@ struct clk *at32_clock_list[] = {
&pio4_mck,
&at32_tcb0_t0_clk,
&at32_tcb1_t0_clk,
&atmel_psif0_pclk,
&atmel_psif1_pclk,
&atmel_usart0_usart,
&atmel_usart1_usart,
&atmel_usart2_usart,

1
include/asm-avr32/arch-at32ap/board.h
View File

@ -80,6 +80,7 @@ struct platform_device *at32_add_device_twi(unsigned int id,
struct platform_device *at32_add_device_mci(unsigned int id);
struct platform_device *at32_add_device_ac97c(unsigned int id);
struct platform_device *at32_add_device_abdac(unsigned int id);
struct platform_device *at32_add_device_psif(unsigned int id);
struct cf_platform_data {
int detect_pin;