diff options
| author |   Alexander Shiyan <shc_work@mail.ru> | 2013-06-10 09:59:31 -0700 |
|---|---|---|
| committer |   Bryan Wu <cooloney@gmail.com> | 2013-06-20 16:21:34 -0700 |
| commit | ae6cdb03ef1d352c489d6c86e0bcec51365a2c64 (patch) | |
| tree | 32e4198c16fe247afc09269cfd445ef929e36c95 /drivers/leds | |
| parent | leds: leds-mc13783: Prepare driver to support MC13892 LEDs (diff) | |
| download | linux-dev-ae6cdb03ef1d352c489d6c86e0bcec51365a2c64.tar.xz linux-dev-ae6cdb03ef1d352c489d6c86e0bcec51365a2c64.zip | |
leds: leds-mc13783: Add MC13892 LED support
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Tested-by: Philippe Retornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/leds/leds-mc13783.c | 60 |
2 files changed, 62 insertions, 4 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index ef992293598a..e43402dd1dea 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -388,12 +388,12 @@ config LEDS_DELL_NETBOOKS notebooks that have an external LED. config LEDS_MC13783 - tristate "LED Support for MC13783 PMIC" + tristate "LED Support for MC13XXX PMIC" depends on LEDS_CLASS - depends on MFD_MC13783 + depends on MFD_MC13XXX help This option enable support for on-chip LED drivers found - on Freescale Semiconductor MC13783 PMIC. + on Freescale Semiconductor MC13783/MC13892 PMIC. config LEDS_NS2 tristate "LED support for Network Space v2 GPIO LEDs" diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c index da8ec244a641..f4de98052aaa 100644 --- a/drivers/leds/leds-mc13783.c +++ b/drivers/leds/leds-mc13783.c @@ -1,5 +1,5 @@ /* - * LEDs driver for Freescale MC13783 + * LEDs driver for Freescale MC13783/MC13892 * * Copyright (C) 2010 Philippe Rétornaz * @@ -85,6 +85,34 @@ static void mc13xxx_led_work(struct work_struct *work) value = led->new_brightness >> 3; mask = 0x1f; break; + case MC13892_LED_MD: + reg = MC13XXX_REG_LED_CONTROL(0); + shift = 3; + mask = 0x3f; + value = led->new_brightness >> 2; + break; + case MC13892_LED_AD: + reg = MC13XXX_REG_LED_CONTROL(0); + shift = 15; + mask = 0x3f; + value = led->new_brightness >> 2; + break; + case MC13892_LED_KP: + reg = MC13XXX_REG_LED_CONTROL(1); + shift = 3; + mask = 0x3f; + value = led->new_brightness >> 2; + break; + case MC13892_LED_R: + case MC13892_LED_G: + case MC13892_LED_B: + off = led->id - MC13892_LED_R; + bank = off / 2; + reg = MC13XXX_REG_LED_CONTROL(2) + bank; + shift = (off - bank * 2) * 12 + 3; + value = led->new_brightness >> 2; + mask = 0x3f; + break; default: BUG(); } @@ -138,6 +166,29 @@ static int __init mc13xxx_led_setup(struct mc13xxx_led *led, int max_current) shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2; mask = 0x03; break; + case MC13892_LED_MD: + reg = MC13XXX_REG_LED_CONTROL(0); + shift = 9; + mask = 0x07; + break; + case MC13892_LED_AD: + reg = MC13XXX_REG_LED_CONTROL(0); + shift = 21; + mask = 0x07; + break; + case MC13892_LED_KP: + reg = MC13XXX_REG_LED_CONTROL(1); + shift = 9; + mask = 0x07; + break; + case MC13892_LED_R: + case MC13892_LED_G: + case MC13892_LED_B: + bank = (led->id - MC13892_LED_R) / 2; + reg = MC13XXX_REG_LED_CONTROL(2) + bank; + shift = ((led->id - MC13892_LED_R) - bank * 2) * 12 + 9; + mask = 0x07; + break; default: BUG(); } @@ -276,8 +327,15 @@ static const struct mc13xxx_led_devtype mc13783_led_devtype = { .num_regs = 6, }; +static const struct mc13xxx_led_devtype mc13892_led_devtype = { + .led_min = MC13892_LED_MD, + .led_max = MC13892_LED_B, + .num_regs = 4, +}; + static const struct platform_device_id mc13xxx_led_id_table[] = { { "mc13783-led", (kernel_ulong_t)&mc13783_led_devtype, }, + { "mc13892-led", (kernel_ulong_t)&mc13892_led_devtype, }, { } }; MODULE_DEVICE_TABLE(platform, mc13xxx_led_id_table); |