Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 287d4d51 authored by Dmitry Eremin-Solenikov's avatar Dmitry Eremin-Solenikov Committed by Russell King
Browse files

ARM: 7936/1: sa1100: collie: add support for IrDA transceiver 



Collie has onboard IrDA transceiver controlled via active-low gpio. Add
corresponding platform data.

Signed-off-by: default avatarDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 75916d55

arch/arm/mach-sa1100/collie.c

+33 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 
#include <asm/mach/arch.h>

#include <asm/mach/flash.h>

#include <asm/mach/map.h>

#include <asm/mach/irda.h>



#include <asm/hardware/scoop.h>

#include <asm/mach/sharpsl_param.h>
@@ -96,6 +97,37 @@ static struct mcp_plat_data collie_mcp_data = { 
	.codec_pdata	= &collie_ucb1x00_data,

};



static int collie_ir_startup(struct device *dev)

{

	int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");

	if (rc)

		return rc;

	rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);



	if (!rc)

		return 0;



	gpio_free(COLLIE_GPIO_IR_ON);

	return rc;

}



static void collie_ir_shutdown(struct device *dev)

{

	gpio_free(COLLIE_GPIO_IR_ON);

}



static int collie_ir_set_power(struct device *dev, unsigned int state)

{

	gpio_set_value(COLLIE_GPIO_IR_ON, !state);

	return 0;

}



static struct irda_platform_data collie_ir_data = {

	.startup = collie_ir_startup,

	.shutdown = collie_ir_shutdown,

	.set_power = collie_ir_set_power,

};



/*

 * Collie AC IN

 */
@@ -400,6 +432,7 @@ static void __init collie_init(void) 
	sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,

			    ARRAY_SIZE(collie_flash_resources));

	sa11x0_register_mcp(&collie_mcp_data);

	sa11x0_register_irda(&collie_ir_data);



	sharpsl_save_param();

}

arch/arm/mach-sa1100/include/mach/collie.h

+1 −1
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ extern void locomolcd_power(int on); 
#define COLLIE_TC35143_GPIO_VERSION0    UCB_IO_0

#define COLLIE_TC35143_GPIO_TBL_CHK     UCB_IO_1

#define COLLIE_TC35143_GPIO_VPEN_ON     UCB_IO_2

#define COLLIE_TC35143_GPIO_IR_ON       UCB_IO_3

#define COLLIE_GPIO_IR_ON		(COLLIE_TC35143_GPIO_BASE + 3)

#define COLLIE_TC35143_GPIO_AMP_ON      UCB_IO_4

#define COLLIE_TC35143_GPIO_VERSION1    UCB_IO_5

#define COLLIE_TC35143_GPIO_FS8KLPF     UCB_IO_5