diff options
| author | Manuel Lauss <manuel.lauss@googlemail.com> | 2011-12-08 11:42:15 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-12-08 11:42:15 +0100 |
| commit | e734ae13f125096f8467f90e00c27166860245cd (patch) | |
| tree | 90b334383398e58dcaface5ed7696b62d9fbf717 /arch/mips | |
| parent | net/irda: convert au1k_ir to platform driver. (diff) | |
| download | linux-e734ae13f125096f8467f90e00c27166860245cd.tar.xz linux-e734ae13f125096f8467f90e00c27166860245cd.zip | |
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: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2878/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/alchemy/devboards/db1000.c | 74 |
1 files changed, 57 insertions, 17 deletions
diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c index a3a448033037..5206d2fbe0c6 100644 --- a/arch/mips/alchemy/devboards/db1000.c +++ b/arch/mips/alchemy/devboards/db1000.c @@ -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 */ |