Messages in this thread Patch in this message | | | From | Marek Belisko <> | Subject | [PATCH 2/4] s3c2440: mini2440: Add touchscreen support for mini2440. | Date | Tue, 29 Mar 2011 08:32:41 +0200 |
| |
Patch add support for mini2440 touchscreen. Some code borrowed from: git://repo.or.cz/linux-2.6/mini2440.git
Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com> --- arch/arm/mach-s3c2440/mach-mini2440.c | 17 +++++++++++++++-- 1 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index ce152b4..163d318 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -47,6 +47,7 @@ #include <plat/iic.h> #include <plat/mci.h> #include <plat/udc.h> +#include <plat/ts.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> @@ -530,6 +531,11 @@ static struct platform_device uda1340_codec = { .id = -1, }; +static struct s3c2410_ts_mach_info mini2440_ts_cfg __initdata = { + .delay = 10000, + .presc = 0xff, /* slow as we can go */ +}; + static struct platform_device *mini2440_devices[] __initdata = { &s3c_device_ohci, &s3c_device_wdt, @@ -548,6 +554,7 @@ static struct platform_device *mini2440_devices[] __initdata = { &uda1340_codec, &mini2440_audio, &samsung_asoc_dma, + &s3c_device_adc, }; static void __init mini2440_map_io(void) @@ -631,8 +638,13 @@ static void mini2440_parse_features( features->done |= FEATURE_BACKLIGHT; break; case 't': - printk(KERN_INFO "MINI2440: '%c' ignored, " - "touchscreen not compiled in\n", f); + if (features->done & FEATURE_TOUCH) + printk(KERN_INFO "MINI2440: '%c' ignored, " + "touchscreen already set\n", f); + else + features->optional[features->count++] = + &s3c_device_ts; + features->done |= FEATURE_TOUCH; break; case 'c': if (features->done & FEATURE_CAMERA) @@ -699,6 +711,7 @@ static void __init mini2440_init(void) s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); s3c_nand_set_platdata(&mini2440_nand_info); s3c_i2c0_set_platdata(NULL); + s3c24xx_ts_set_platdata(&mini2440_ts_cfg); i2c_register_board_info(0, mini2440_i2c_devs, ARRAY_SIZE(mini2440_i2c_devs)); -- 1.7.1
| |