From 7efbb2210ab7399aa8b7978d5827b4b1d5750465 Mon Sep 17 00:00:00 2001 From: yargil Date: Wed, 17 Oct 2012 18:22:24 +0200 Subject: [PATCH] MINI2440: Add support of PWM timer PWM_TIMER define the PWM timer used. --- arch/arm/mach-s3c24xx/mach-mini2440.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c index 5d66fb2..7d226cf 100644 --- a/arch/arm/mach-s3c24xx/mach-mini2440.c +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c @@ -513,6 +513,18 @@ static struct platform_device uda1340_codec = { .id = -1, }; +#define PWM_TIMER 1 /* define the PWM timer and the GPB pin */ +#define S3C2410_GPB_TOUT(a) (0x02 << (a*2)) + +static struct platform_device mini2440_buzzer_device = { + .name = "pwm-gen", + .id = -1, + .dev = { + .parent = &s3c_device_timer[PWM_TIMER].dev, + .platform_data = (void *)PWM_TIMER, /* timer number */ + }, +}; + static struct platform_device *mini2440_devices[] __initdata = { &s3c_device_ohci, &s3c_device_wdt, @@ -531,6 +543,8 @@ static struct platform_device *mini2440_devices[] __initdata = { &uda1340_codec, &mini2440_audio, &samsung_asoc_dma, + &s3c_device_timer[PWM_TIMER], + &mini2440_buzzer_device, }; static void __init mini2440_map_io(void) @@ -686,6 +700,10 @@ static void __init mini2440_init(void) i2c_register_board_info(0, mini2440_i2c_devs, ARRAY_SIZE(mini2440_i2c_devs)); + /* Connect the PWM timer to the GPB pin */ + s3c_gpio_cfgpin(S3C2410_GPB(PWM_TIMER), S3C2410_GPB_TOUT(PWM_TIMER)); +// s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1); // PWM timer1 use GPB1 + platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); if (features.count) /* the optional features */ -- 1.7.10.4