diff options
author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2013-03-11 15:57:56 +0400 |
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committer | Tony Lindgren <tony@atomide.com> | 2013-04-09 01:01:04 +0400 |
commit | 2014f269490ca8825cb4c0f71f90ccc8f25c4aa1 (patch) | |
tree | 5fc74eaeafe92aabbfcbf2a7da579575c2910cf2 /arch/arm/mach-omap2/board-zoom-peripherals.c | |
parent | 03784f22b97feeedd16db3f998882269231157c2 (diff) | |
download | linux-2014f269490ca8825cb4c0f71f90ccc8f25c4aa1.tar.xz |
ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
Use pwm_leds driver for the keyboard light and pwm-backlight for the lcd
backlight control (instead of implementing the PWM driver part in the board
file).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-zoom-peripherals.c')
-rw-r--r-- | arch/arm/mach-omap2/board-zoom-peripherals.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c index cdc0c1021863..a90375d5b2b6 100644 --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -22,6 +22,9 @@ #include <linux/platform_data/gpio-omap.h> #include <linux/platform_data/omap-twl4030.h> #include <linux/usb/phy.h> +#include <linux/pwm.h> +#include <linux/leds_pwm.h> +#include <linux/pwm_backlight.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -193,6 +196,53 @@ static struct platform_device omap_vwlan_device = { }, }; +static struct pwm_lookup zoom_pwm_lookup[] = { + PWM_LOOKUP("twl-pwm", 0, "leds_pwm", "zoom::keypad"), + PWM_LOOKUP("twl-pwm", 1, "pwm-backlight", "backlight"), +}; + +static struct led_pwm zoom_pwm_leds[] = { + { + .name = "zoom::keypad", + .max_brightness = 127, + .pwm_period_ns = 7812500, + }, +}; + +static struct led_pwm_platform_data zoom_pwm_data = { + .num_leds = ARRAY_SIZE(zoom_pwm_leds), + .leds = zoom_pwm_leds, +}; + +static struct platform_device zoom_leds_pwm = { + .name = "leds_pwm", + .id = -1, + .dev = { + .platform_data = &zoom_pwm_data, + }, +}; + +static struct platform_pwm_backlight_data zoom_backlight_data = { + .pwm_id = 1, + .max_brightness = 127, + .dft_brightness = 127, + .pwm_period_ns = 7812500, +}; + +static struct platform_device zoom_backlight_pwm = { + .name = "pwm-backlight", + .id = -1, + .dev = { + .platform_data = &zoom_backlight_data, + }, +}; + +static struct platform_device *zoom_devices[] __initdata = { + &omap_vwlan_device, + &zoom_leds_pwm, + &zoom_backlight_pwm, +}; + static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = { .board_ref_clock = WL12XX_REFCLOCK_26, /* 26 MHz */ }; @@ -301,7 +351,8 @@ void __init zoom_peripherals_init(void) omap_hsmmc_init(mmc); omap_i2c_init(); - platform_device_register(&omap_vwlan_device); + pwm_add_table(zoom_pwm_lookup, ARRAY_SIZE(zoom_pwm_lookup)); + platform_add_devices(zoom_devices, ARRAY_SIZE(zoom_devices)); usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); usb_musb_init(NULL); enable_board_wakeup_source(); |