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* [U-Boot] [PATCH] TWL4030: make LEDs selectable in twl4030_led_init()
@ 2009-12-02 13:08 Grazvydas Ignotas
  2009-12-02 14:55 ` Tom
  0 siblings, 1 reply; 3+ messages in thread
From: Grazvydas Ignotas @ 2009-12-02 13:08 UTC (permalink / raw)
  To: u-boot

Not all boards have both LEDs hooked, so enabling both on
boards with single LED will just waste power. Make it
possible to choose LEDs by adding argument to
twl4030_led_init().

Using this turn on only LEDB for pandora, leave both LEDs
on for all other boards, as it was before this patch.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
---
 board/logicpd/zoom1/zoom1.c         |    2 +-
 board/logicpd/zoom2/zoom2.c         |    2 +-
 board/overo/overo.c                 |    2 +-
 board/pandora/pandora.c             |    2 +-
 board/ti/beagle/beagle.c            |    2 +-
 board/timll/devkit8000/devkit8000.c |    2 +-
 drivers/misc/twl4030_led.c          |   11 +++++++----
 include/twl4030.h                   |    5 ++++-
 8 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/board/logicpd/zoom1/zoom1.c b/board/logicpd/zoom1/zoom1.c
index f4d3754..9b308da 100644
--- a/board/logicpd/zoom1/zoom1.c
+++ b/board/logicpd/zoom1/zoom1.c
@@ -62,7 +62,7 @@ int board_init(void)
 int misc_init_r(void)
 {
 	twl4030_power_init();
-	twl4030_led_init();
+	twl4030_led_init(TWL4030_LEDON_LEDA | TWL4030_LEDON_LEDB);
 	dieid_num_r();
 
 	/*
diff --git a/board/logicpd/zoom2/zoom2.c b/board/logicpd/zoom2/zoom2.c
index dadbeb6..f40bbc6 100644
--- a/board/logicpd/zoom2/zoom2.c
+++ b/board/logicpd/zoom2/zoom2.c
@@ -148,7 +148,7 @@ int misc_init_r(void)
 {
 	zoom2_identify();
 	twl4030_power_init();
-	twl4030_led_init();
+	twl4030_led_init(TWL4030_LEDON_LEDA | TWL4030_LEDON_LEDB);
 	dieid_num_r();
 
 	/*
diff --git a/board/overo/overo.c b/board/overo/overo.c
index d42dc13..a2942ce 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -67,7 +67,7 @@ int board_init(void)
 int misc_init_r(void)
 {
 	twl4030_power_init();
-	twl4030_led_init();
+	twl4030_led_init(TWL4030_LEDON_LEDA | TWL4030_LEDON_LEDB);
 
 #if defined(CONFIG_CMD_NET)
 	setup_net_chip();
diff --git a/board/pandora/pandora.c b/board/pandora/pandora.c
index 460ed12..df2c71a 100644
--- a/board/pandora/pandora.c
+++ b/board/pandora/pandora.c
@@ -66,7 +66,7 @@ int misc_init_r(void)
 	struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
 
 	twl4030_power_init();
-	twl4030_led_init();
+	twl4030_led_init(TWL4030_LEDON_LEDB);
 
 	/* Configure GPIOs to output */
 	writel(~(GPIO14 | GPIO15 | GPIO16 | GPIO23), &gpio1_base->oe);
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 32d501e..e23f7ee 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -107,7 +107,7 @@ int misc_init_r(void)
 	struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
 
 	twl4030_power_init();
-	twl4030_led_init();
+	twl4030_led_init(TWL4030_LEDON_LEDA | TWL4030_LEDON_LEDB);
 
 	/* Configure GPIOs to output */
 	writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
diff --git a/board/timll/devkit8000/devkit8000.c b/board/timll/devkit8000/devkit8000.c
index db7d2e2..997a7cf 100644
--- a/board/timll/devkit8000/devkit8000.c
+++ b/board/timll/devkit8000/devkit8000.c
@@ -76,7 +76,7 @@ int misc_init_r(void)
 
 	twl4030_power_init();
 #ifdef CONFIG_TWL4030_LED
-	twl4030_led_init();
+	twl4030_led_init(TWL4030_LEDON_LEDA | TWL4030_LEDON_LEDB);
 #endif
 
 #ifdef CONFIG_DRIVER_DM9000
diff --git a/drivers/misc/twl4030_led.c b/drivers/misc/twl4030_led.c
index bfdafef..d2cc3c8 100644
--- a/drivers/misc/twl4030_led.c
+++ b/drivers/misc/twl4030_led.c
@@ -39,12 +39,15 @@
 #define LEDAPWM			(0x1 << 4)
 #define LEDBPWM			(0x1 << 5)
 
-void twl4030_led_init(void)
+void twl4030_led_init(unsigned int ledon_mask)
 {
-	unsigned char byte;
+	unsigned char byte = 0;
 
-	/* enable LED */
-	byte = LEDBPWM | LEDAPWM | LEDBON | LEDAON;
+	/* enable LEDs */
+	if (ledon_mask & TWL4030_LEDON_LEDA)
+		byte |= LEDAPWM | LEDAON;
+	if (ledon_mask & TWL4030_LEDON_LEDB)
+		byte |= LEDBPWM | LEDBON;
 
 	twl4030_i2c_write_u8(TWL4030_CHIP_LED, byte,
 			     TWL4030_LED_LEDEN);
diff --git a/include/twl4030.h b/include/twl4030.h
index f260ecb..d0c62c3 100644
--- a/include/twl4030.h
+++ b/include/twl4030.h
@@ -396,6 +396,9 @@ void twl4030_power_mmc_init(void);
 /*
  * LED
  */
-void twl4030_led_init(void);
+#define TWL4030_LEDON_LEDA	(1 << 0)
+#define TWL4030_LEDON_LEDB	(1 << 1)
+
+void twl4030_led_init(unsigned int ledon_mask);
 
 #endif /* TWL4030_H */
-- 
1.6.3.3

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2009-12-02 15:44 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2009-12-02 13:08 [U-Boot] [PATCH] TWL4030: make LEDs selectable in twl4030_led_init() Grazvydas Ignotas
2009-12-02 14:55 ` Tom
2009-12-02 15:44   ` Grazvydas Ignotas

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