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Commit d86d314f authored by Hans-Christian Egtvedt's avatar Hans-Christian Egtvedt Committed by Haavard Skinnemoen
Browse files

avr32: Add PSIF platform devices 



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: default avatarHans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: default avatarHaavard Skinnemoen <haavard.skinnemoen@atmel.com>
parent 47882cf6

arch/avr32/mach-at32ap/at32ap700x.c

+77 −0
Original line number Original line Diff line number Diff line
@@ -833,6 +833,81 @@ void __init at32_add_system_devices(void) 
	platform_device_register(&pio4_device);

	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

 *  USART

 * -------------------------------------------------------------------- */

 * -------------------------------------------------------------------- */
@@ -1934,6 +2009,8 @@ struct clk *at32_clock_list[] = { 
	&pio4_mck,

	&pio4_mck,

	&at32_tcb0_t0_clk,

	&at32_tcb0_t0_clk,

	&at32_tcb1_t0_clk,

	&at32_tcb1_t0_clk,

	&atmel_psif0_pclk,

	&atmel_psif1_pclk,

	&atmel_usart0_usart,

	&atmel_usart0_usart,

	&atmel_usart1_usart,

	&atmel_usart1_usart,

	&atmel_usart2_usart,

	&atmel_usart2_usart,

include/asm-avr32/arch-at32ap/board.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -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_mci(unsigned int id);

struct platform_device *at32_add_device_ac97c(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_abdac(unsigned int id);

struct platform_device *at32_add_device_psif(unsigned int id);





struct cf_platform_data {

struct cf_platform_data {

	int	detect_pin;

	int	detect_pin;