diff options
| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2014-01-02 17:31:22 -0700 |
|---|---|---|
| committer | Eric Nelson <eric.nelson@boundarydevices.com> | 2014-01-02 17:31:22 -0700 |
| commit | e0a1e2a71d39e947af0ac5dcea9d957432e2f8b4 (patch) | |
| tree | 06e07a11a72fbf1ec48a58a414fe68e28c49a41c | |
| parent | 4f9a10cb850afa07697bb3a543cf70dc7fbda2d6 (diff) | |
sp: Add PWM buzzer on PWM1 (SD3_DAT3)
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6_sp.c | 29 | ||||
| -rw-r--r-- | arch/arm/mach-mx6/pads-mx6_sp.h | 7 |
2 files changed, 28 insertions, 8 deletions
diff --git a/arch/arm/mach-mx6/board-mx6_sp.c b/arch/arm/mach-mx6/board-mx6_sp.c index e80f56680fad..b617b3e2c89b 100644 --- a/arch/arm/mach-mx6/board-mx6_sp.c +++ b/arch/arm/mach-mx6/board-mx6_sp.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/init.h> #include <linux/input.h> +#include <linux/leds_pwm.h> #include <linux/nodemask.h> #include <linux/clk.h> #include <linux/platform_device.h> @@ -567,6 +568,28 @@ static void __init fixup_mxc_board(struct machine_desc *desc, struct tag *tags, { } +static struct led_pwm pwms[] = { + [0] = { + .name = "buzzer", + .default_trigger = "what_default_trigger", + .pwm_id = 0, + .active_low = 0, + .max_brightness = 0x100, + .pwm_period_ns = 3822192, /* middle "C" is 261.63 hz or */ + }, +}; + +static struct led_pwm_platform_data plat_led = { + .num_leds = 1, + .leds = pwms, +}; +static struct platform_device platdev_leds_pwd = { + .name = "leds_pwm", + .dev = { + .platform_data = &plat_led, + }, +}; + /*! * Board specific initialization. */ @@ -641,10 +664,10 @@ static void __init mx6_board_init(void) /* release USB Hub reset */ gpio_set_value(USB_HUB_RESET, 1); - imx6q_add_mxc_pwm(2); - imx6q_add_mxc_pwm(3); + imx6q_add_mxc_pwm(0); + platform_device_register(&platdev_leds_pwd); - imx6q_add_mxc_pwm_backlight(2, &mx6_pwm3_backlight_data); + imx6q_add_mxc_pwm(3); imx6q_add_mxc_pwm_backlight(3, &mx6_pwm4_backlight_data); imx6q_add_otp(); diff --git a/arch/arm/mach-mx6/pads-mx6_sp.h b/arch/arm/mach-mx6/pads-mx6_sp.h index f06a89901cbb..ebcda37d5052 100644 --- a/arch/arm/mach-mx6/pads-mx6_sp.h +++ b/arch/arm/mach-mx6/pads-mx6_sp.h @@ -93,11 +93,8 @@ static iomux_v3_cfg_t MX6NAME(common_pads)[] = { */ NEW_PAD_CTRL(MX6PAD(SD1_CMD__PWM4_PWMO), WEAK), /* GPIO1[18], J9 pin 10 */ - /* - * Display - RGB Backlight - * 4.3 inch is WQVGA 480x272 - */ - MX6PAD(SD1_DAT1__PWM3_PWMO), /* GPIO1[17], J9 pin 9, also pwm3 */ + /* PWM1: Buzzer */ + MX6PAD(SD1_DAT3__PWM1_PWMO), /* GPIO1[21] */ /* * I2C1, used by |