On Tue, 13 Jan 2015 16:15:45 +0800 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> wrote: > > > 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 I'll check your series on my B+ in a few days. > > 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 > -- -- Best regards, Antony Pavlov _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
