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Commit e734ae13 authored by Manuel Lauss's avatar Manuel Lauss Committed by Ralf Baechle
Browse files

MIPS: Alchemy: Hook up IrDA on DB1000/DB1100 



Add necessary transceiver control platform data and hook up the
IrDA peripheral on the DB1000 and DB1100 boards.

Signed-off-by: default avatarManuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2878/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent cd671c16

arch/mips/alchemy/devboards/db1000.c

+57 −17
Original line number Diff line number Diff line
@@ -66,23 +66,6 @@ void __init board_setup(void) 
		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);



	printk(KERN_INFO "AMD Alchemy %s Board\n", board_type_str());



#if defined(CONFIG_IRDA) && defined(CONFIG_AU1000_FIR)

	{

		u32 pin_func;



		/* Set IRFIRSEL instead of GPIO15 */

		pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF;

		au_writel(pin_func, SYS_PINFUNC);

		/* Power off until the driver is in use */

		bcsr_mod(BCSR_RESETS, BCSR_RESETS_IRDA_MODE_MASK,

			 BCSR_RESETS_IRDA_MODE_OFF);

	}

#endif

	bcsr_write(BCSR_PCMCIA, 0);	/* turn off PCMCIA power */



	/* Enable GPIO[31:0] inputs */

	alchemy_gpio1_input_enable();

}
@@ -389,6 +372,57 @@ static struct platform_device db1100_mmc1_dev = { 
	.resource	= au1100_mmc1_res,

};



/******************************************************************************/



static void db1000_irda_set_phy_mode(int mode)

{

	unsigned short mask = BCSR_RESETS_IRDA_MODE_MASK | BCSR_RESETS_FIR_SEL;



	switch (mode) {

	case AU1000_IRDA_PHY_MODE_OFF:

		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_OFF);

		break;

	case AU1000_IRDA_PHY_MODE_SIR:

		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL);

		break;

	case AU1000_IRDA_PHY_MODE_FIR:

		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL |

					    BCSR_RESETS_FIR_SEL);

		break;

	}

}



static struct au1k_irda_platform_data db1000_irda_platdata = {

	.set_phy_mode	= db1000_irda_set_phy_mode,

};



static struct resource au1000_irda_res[] = {

	[0] = {

		.start	= AU1000_IRDA_PHYS_ADDR,

		.end	= AU1000_IRDA_PHYS_ADDR + 0x0fff,

		.flags	= IORESOURCE_MEM,

	},

	[1] = {

		.start	= AU1000_IRDA_TX_INT,

		.end	= AU1000_IRDA_TX_INT,

		.flags	= IORESOURCE_IRQ,

	},

	[2] = {

		.start	= AU1000_IRDA_RX_INT,

		.end	= AU1000_IRDA_RX_INT,

		.flags	= IORESOURCE_IRQ,

	},

};



static struct platform_device db1000_irda_dev = {

	.name	= "au1000-irda",

	.id	= -1,

	.dev	= {

		.platform_data = &db1000_irda_platdata,

	},

	.resource	= au1000_irda_res,

	.num_resources	= ARRAY_SIZE(au1000_irda_res),

};



static struct platform_device *db1x00_devs[] = {

	&db1x00_codec_dev,
@@ -397,10 +431,15 @@ static struct platform_device *db1x00_devs[] = { 
	&db1x00_audio_dev,

};



static struct platform_device *db1000_devs[] = {

	&db1000_irda_dev,

};



static struct platform_device *db1100_devs[] = {

	&au1100_lcd_device,

	&db1100_mmc0_dev,

	&db1100_mmc1_dev,

	&db1000_irda_dev,

};



static int __init db1000_dev_init(void)
@@ -434,6 +473,7 @@ static int __init db1000_dev_init(void) 
		d1 = AU1000_GPIO3_INT;

		s0 = AU1000_GPIO1_INT;

		s1 = AU1000_GPIO4_INT;

		platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs));

	} else

		return 0; /* unknown board, no further dev setup to do */