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>
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index ef99229..e43402dd 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -388,12 +388,12 @@
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 da8ec24..f4de980 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 @@
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 @@
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 @@
.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);
diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h
index ee280f1..41ed592 100644
--- a/include/linux/mfd/mc13xxx.h
+++ b/include/linux/mfd/mc13xxx.h
@@ -92,6 +92,13 @@
MC13783_LED_R3,
MC13783_LED_G3,
MC13783_LED_B3,
+ /* MC13892 LED IDs */
+ MC13892_LED_MD,
+ MC13892_LED_AD,
+ MC13892_LED_KP,
+ MC13892_LED_R,
+ MC13892_LED_G,
+ MC13892_LED_B,
};
struct mc13xxx_led_platform_data {
