> On Jan 13, 2015, at 3:58 PM, Antony Pavlov <antonynpavlov@xxxxxxxxx> wrote: > > On Tue, 13 Jan 2015 07:26:12 +0100 > Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> wrote: > > I have planned to switch raspberry pi to device tree support as Linux does. but as I do not want to build multi binary switch (leds & co) those to DT make no sense except if we can chose the DT at runtime > > IMHO POWER LED is not GPIO controlable, please see these schematics yes it is does, I have a B+ and it’s controllable Best Regards, J. > > http://www.raspberrypi.org/wp-content/uploads/2012/04/Raspberry-Pi-Schematics-R1.0.pdf > http://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/Raspberry-Pi-B-Plus-V1.2-Schematics.pdf > > >> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> >> --- >> arch/arm/boards/raspberry-pi/rpi.c | 55 ++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 55 insertions(+) >> >> diff --git a/arch/arm/boards/raspberry-pi/rpi.c b/arch/arm/boards/raspberry-pi/rpi.c >> index ae1e92a..7d866cc 100644 >> --- a/arch/arm/boards/raspberry-pi/rpi.c >> +++ b/arch/arm/boards/raspberry-pi/rpi.c >> @@ -21,6 +21,8 @@ >> #include <linux/clkdev.h> >> #include <envfs.h> >> #include <malloc.h> >> +#include <gpio.h> >> +#include <led.h> >> #include <asm/armlinux.h> >> #include <generated/mach-types.h> >> >> @@ -87,6 +89,49 @@ static int rpi_register_clkdev(u32 clock_id, const char *name) >> } >> >> >> +static struct gpio_led leds[] = { >> + { >> + .gpio = -EINVAL, >> + .led = { >> + .name = "ACT", >> + }, >> + }, { >> + .gpio = -EINVAL, >> + .led = { >> + .name = "PWR", >> + }, >> + }, >> +}; >> + >> +static void rpi_add_led(void) >> +{ >> + int i; >> + struct gpio_led *l; >> + >> + for (i = 0; i < ARRAY_SIZE(leds); i++) { >> + l = &leds[i]; >> + >> + if (gpio_is_valid(l->gpio)) >> + led_gpio_register(l); >> + } >> + >> + l = &leds[0]; >> + if (gpio_is_valid(l->gpio)) >> + led_set_trigger(LED_TRIGGER_HEARTBEAT, &l->led); >> +} >> + >> +static void rpi_b_plus_init(void) >> +{ >> + leds[0].gpio = 47; >> + leds[1].gpio = 35; >> +} >> + >> +static void rpi_b_init(void) >> +{ >> + leds[0].gpio = 16; >> + leds[0].active_low = 1; >> +} >> + >> #define RPI_MODEL(_id, _name, _init) \ >> [_id] = { \ >> .name = _name,\ >> @@ -160,6 +205,15 @@ unknown_rev: >> barebox_set_model("RaspberryPi (BCM2835/ARM1176JZF-S)"); >> } >> >> +static void rpi_model_init(void) >> +{ >> + rpi_set_usbethaddr(); >> + if (models[rpi_board_rev].init) { >> + models[rpi_board_rev].init(); >> + rpi_add_led(); >> + } >> +} >> + >> static int rpi_mem_init(void) >> { >> u32 size = 0; >> @@ -220,6 +274,7 @@ static int rpi_env_init(void) >> >> static int rpi_devices_init(void) >> { >> + rpi_model_init(); >> bcm2835_register_mci(); >> bcm2835_register_fb(); >> armlinux_set_architecture(MACH_TYPE_BCM2708); >> -- >> 2.1.3 >> >> >> _______________________________________________ >> barebox mailing list >> barebox@xxxxxxxxxxxxxxxxxxx >> http://lists.infradead.org/mailman/listinfo/barebox > > > -- > -- > Best regards, > Antony Pavlov _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
