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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 2/6] raspberry-pi: add leds support
Date: Tue, 13 Jan 2015 07:26:12 +0100	[thread overview]
Message-ID: <1421130376-32428-2-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1421130376-32428-1-git-send-email-plagnioj@jcrosoft.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 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


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  reply	other threads:[~2015-01-13  6:26 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-13  6:24 [PATCH 0/6] raspberry-pi: updates Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:26 ` [PATCH 1/6] raspberry-pi: add board model detection Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:26   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2015-01-13  7:58     ` [PATCH 2/6] raspberry-pi: add leds support Antony Pavlov
2015-01-13  8:15       ` Jean-Christophe PLAGNIOL-VILLARD
2015-01-13 10:11         ` Antony Pavlov
2015-01-14  6:26           ` Sascha Hauer
2015-01-13  6:26   ` [PATCH 3/6] amba: pl011: add support for regulator Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:26   ` [PATCH 4/6] driver: add postcore_platform_driver Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:26   ` [PATCH 5/6] regulator: allow to use it with non DT device Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:26   ` [PATCH 6/6] regulator: add bcm2835 driver Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:31 [PATCH 0/6 v2] raspberry-pi: updates Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:33 ` [PATCH 1/6] raspberry-pi: add board model detection Jean-Christophe PLAGNIOL-VILLARD
2015-01-13  6:33   ` [PATCH 2/6] raspberry-pi: add leds support Jean-Christophe PLAGNIOL-VILLARD
2015-01-18 22:08     ` Antony Pavlov
2015-01-19  7:51       ` Sascha Hauer
2015-01-19  7:58         ` Antony Pavlov
2015-01-19  7:59           ` Sascha Hauer
2015-01-19 12:16       ` Jean-Christophe PLAGNIOL-VILLARD

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