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authorDavid Brownell <david-b@pacbell.net>2007-07-09 04:29:44 -0400
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-08-15 10:36:55 -0400
commitad93ab0a6ee20130fb8f719fc1860c20daa99a7b (patch)
tree268579577c75190cda4efe1260424d4f254c0aa9 /arch/avr32
parent28e8351ac22de25034e048c680014ad824323c65 (diff)
[AVR32] leds-gpio for stk1000
Add GPIO led support: J2 to either block of LEDs on the STK1000. This uses the new LEDS_GPIO driver, and sets up a heartbeat trigger by default ... either bright (!!) amber, or a more interesting purple. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/boards/atstk1000/Kconfig26
-rw-r--r--arch/avr32/boards/atstk1000/atstk1002.c62
2 files changed, 88 insertions, 0 deletions
diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig
index 71bc7d364fb7..718578f64069 100644
--- a/arch/avr32/boards/atstk1000/Kconfig
+++ b/arch/avr32/boards/atstk1000/Kconfig
@@ -50,4 +50,30 @@ config BOARD_ATSTK1002_SPI1
50 GPIO lines and accessed through the J1 jumper block. Say "y" 50 GPIO lines and accessed through the J1 jumper block. Say "y"
51 here to configure that SPI controller. 51 here to configure that SPI controller.
52 52
53config BOARD_ATSTK1002_J2_LED
54 bool
55 default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB
56
57choice
58 prompt "LEDs connected to J2:"
59 depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM
60 optional
61 help
62 Select this if you have jumpered the J2 jumper block to the
63 LED0..LED7 amber leds, or to the RGB leds, using a ten-pin
64 IDC cable. A default "heartbeat" trigger is provided, but
65 you can of course override this.
66
67config BOARD_ATSTK1002_J2_LED8
68 bool "LED0..LED7"
69 help
70 Select this if J2 is jumpered to LED0..LED7 amber leds.
71
72config BOARD_ATSTK1002_J2_RGB
73 bool "RGB leds"
74 help
75 Select this if J2 is jumpered to the RGB leds.
76
77endchoice
78
53endif # stk 1002 79endif # stk 1002
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index cb93eabb9c6c..c9981b731efa 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -11,6 +11,7 @@
11#include <linux/etherdevice.h> 11#include <linux/etherdevice.h>
12#include <linux/init.h> 12#include <linux/init.h>
13#include <linux/kernel.h> 13#include <linux/kernel.h>
14#include <linux/leds.h>
14#include <linux/platform_device.h> 15#include <linux/platform_device.h>
15#include <linux/string.h> 16#include <linux/string.h>
16#include <linux/types.h> 17#include <linux/types.h>
@@ -120,6 +121,65 @@ static void __init set_hw_addr(struct platform_device *pdev)
120 clk_put(pclk); 121 clk_put(pclk);
121} 122}
122 123
124#ifdef CONFIG_BOARD_ATSTK1002_J2_LED
125
126static struct gpio_led stk_j2_led[] = {
127#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8
128#define LEDSTRING "J2 jumpered to LED8"
129 { .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), },
130 { .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), },
131 { .name = "led2:amber", .gpio = GPIO_PIN_PB(10), },
132 { .name = "led3:amber", .gpio = GPIO_PIN_PB(13), },
133 { .name = "led4:amber", .gpio = GPIO_PIN_PB(14), },
134 { .name = "led5:amber", .gpio = GPIO_PIN_PB(15), },
135 { .name = "led6:amber", .gpio = GPIO_PIN_PB(16), },
136 { .name = "led7:amber", .gpio = GPIO_PIN_PB(30),
137 .default_trigger = "heartbeat", },
138#else /* RGB */
139#define LEDSTRING "J2 jumpered to RGB LEDs"
140 { .name = "r1:red", .gpio = GPIO_PIN_PB( 8), },
141 { .name = "g1:green", .gpio = GPIO_PIN_PB(10), },
142 { .name = "b1:blue", .gpio = GPIO_PIN_PB(14), },
143
144 { .name = "r2:red", .gpio = GPIO_PIN_PB( 9),
145 .default_trigger = "heartbeat", },
146 { .name = "g2:green", .gpio = GPIO_PIN_PB(13), },
147 { .name = "b2:blue", .gpio = GPIO_PIN_PB(15),
148 .default_trigger = "heartbeat", },
149 /* PB16, PB30 unused */
150#endif
151};
152
153static struct gpio_led_platform_data stk_j2_led_data = {
154 .num_leds = ARRAY_SIZE(stk_j2_led),
155 .leds = stk_j2_led,
156};
157
158static struct platform_device stk_j2_led_dev = {
159 .name = "leds-gpio",
160 .id = 2, /* gpio block J2 */
161 .dev = {
162 .platform_data = &stk_j2_led_data,
163 },
164};
165
166static void setup_j2_leds(void)
167{
168 unsigned i;
169
170 for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++)
171 at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT);
172
173 printk("STK1002: " LEDSTRING "\n");
174 platform_device_register(&stk_j2_led_dev);
175}
176
177#else
178static void setup_j2_leds(void)
179{
180}
181#endif
182
123void __init setup_board(void) 183void __init setup_board(void)
124{ 184{
125#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM 185#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
@@ -185,6 +245,8 @@ static int __init atstk1002_init(void)
185 at32_add_device_ssc(0, ATMEL_SSC_TX); 245 at32_add_device_ssc(0, ATMEL_SSC_TX);
186#endif 246#endif
187 247
248 setup_j2_leds();
249
188 return 0; 250 return 0;
189} 251}
190postcore_initcall(atstk1002_init); 252postcore_initcall(atstk1002_init);