summaryrefslogtreecommitdiff
path: root/target/avr32/grasshopper
diff options
context:
space:
mode:
authorMario Haustein <mario.haustein@hrz.tu-chemnitz.de>2016-09-21 18:46:58 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-09-22 17:31:08 +0200
commit64f096935947315ce6fd800aeae527f51048fa91 (patch)
treeee1a4d9f8f74460d91aa5c814b72c780bd1583ae /target/avr32/grasshopper
parent6e44f102241565a4ada14edb6ff006979b221a80 (diff)
add LED support for AVR32 Grasshopper board
Diffstat (limited to 'target/avr32/grasshopper')
-rw-r--r--target/avr32/grasshopper/patches/4.7.3/0002-grasshopper-led-pwm.patch118
1 files changed, 118 insertions, 0 deletions
diff --git a/target/avr32/grasshopper/patches/4.7.3/0002-grasshopper-led-pwm.patch b/target/avr32/grasshopper/patches/4.7.3/0002-grasshopper-led-pwm.patch
new file mode 100644
index 000000000..977c91523
--- /dev/null
+++ b/target/avr32/grasshopper/patches/4.7.3/0002-grasshopper-led-pwm.patch
@@ -0,0 +1,118 @@
+diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/Kconfig linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Kconfig
+--- linux-4.7.3/arch/avr32/boards/grasshopper/Kconfig 2016-09-21 17:42:47.405315973 +0200
++++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Kconfig 2016-09-21 18:02:11.184236423 +0200
+@@ -2,4 +2,37 @@
+
+ if BOARD_GRASSHOPPER
+
++config BOARD_GRASSHOPPER_LEDS
++ bool "Enable LED1 through 8"
++ depends on NEW_LEDS
++ depends on LEDS_GPIO
++ default y
++ help
++ Enabling this option will provide access to the LED trough
++ Linux LED API.
++
++config BOARD_GRASSHOPPER_PWM0
++ bool "Enable PWM0"
++ depends on PWM_ATMEL
++ depends on BOARD_GRASSHOPPER_LEDS
++ default n
++ help
++ Enabling PWM channel 0 will exclude LED6 from LED API.
++
++config BOARD_GRASSHOPPER_PWM1
++ bool "Enable PWM1"
++ depends on PWM_ATMEL
++ depends on BOARD_GRASSHOPPER_LEDS
++ default n
++ help
++ Enabling PWM channel 1 will exclude LED7 from LED API.
++
++config BOARD_GRASSHOPPER_PWM3
++ bool "Enable PWM3"
++ depends on PWM_ATMEL
++ depends on BOARD_GRASSHOPPER_LEDS
++ default n
++ help
++ Enabling PWM channel 3 will exclude the power LED from LED API.
++
+ endif # BOARD_GRASSHOPPER
+diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/led.c linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/led.c
+--- linux-4.7.3/arch/avr32/boards/grasshopper/led.c 2016-09-21 17:42:47.405315973 +0200
++++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/led.c 2016-09-21 17:43:33.144940844 +0200
+@@ -19,7 +19,7 @@
+
+ // LEDs
+ static struct gpio_led grasshopper_led[] = {
+-#ifndef CONFIG_BOARD_GRASSHOPPER_PWM0
++#ifndef CONFIG_BOARD_GRASSHOPPER_PWM3
+ {
+ .name = "pwrled:red",
+ .gpio = GPIO_PIN_PA(22),
+@@ -78,7 +78,7 @@
+ };
+
+ /* PWM */
+-#ifdef CONFIG_LEDS_ATMEL_PWM
++#ifdef CONFIG_PWM_ATMEL
+ static struct gpio_led pwm_led[] = {
+ /* here the "gpio" is actually a PWM channel */
+ #ifdef CONFIG_BOARD_GRASSHOPPER_PWM0
+@@ -93,12 +93,6 @@
+ .gpio = 1,
+ },
+ #endif
+-#ifdef CONFIG_BOARD_GRASSHOPPER_PWM2
+- {
+- .name = "pwm2",
+- .gpio = 2,
+- },
+-#endif
+ #ifdef CONFIG_BOARD_GRASSHOPPER_PWM3
+ {
+ .name = "pwm3",
+@@ -123,13 +117,15 @@
+
+ static int __init grasshopper_setup_leds(void)
+ {
++ unsigned int i;
++
+ printk("Grasshopper: Setting up %d LEDs\n", grasshopper_led_data.num_leds);
+- //for (i=0; i<grasshopper_led_data.num_leds; i++)
+- // at32_select_gpio(grasshopper_led[i].gpio, AT32_GPIOF_OUTPUT);
++ for (i=0; i<grasshopper_led_data.num_leds; i++)
++ at32_select_gpio(grasshopper_led[i].gpio, AT32_GPIOF_OUTPUT);
+
+ platform_device_register(&grasshopper_led_dev);
+
+-#ifdef CONFIG_LEDS_ATMEL_PWM
++#ifdef CONFIG_PWM_ATMEL
+ at32_add_device_pwm(0
+ #ifdef CONFIG_BOARD_GRASSHOPPER_PWM0
+ | (1 << 0)
+@@ -137,9 +133,6 @@
+ #ifdef CONFIG_BOARD_GRASSHOPPER_PWM1
+ | (1 << 1)
+ #endif
+-#ifdef CONFIG_BOARD_GRASSHOPPER_PWM2
+- | (1 << 2)
+-#endif
+ #ifdef CONFIG_BOARD_GRASSHOPPER_PWM3
+ | (1 << 3)
+ #endif
+diff -Naur linux-4.7.3/arch/avr32/boards/grasshopper/Makefile linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Makefile
+--- linux-4.7.3/arch/avr32/boards/grasshopper/Makefile 2016-09-21 17:42:47.405315973 +0200
++++ linux-4.7.3.grasshopper/arch/avr32/boards/grasshopper/Makefile 2016-09-21 17:43:04.042543262 +0200
+@@ -1,5 +1,5 @@
+-obj-y += button.o
+-obj-y += flash.o
+-obj-y += led.o
+-obj-y += mac.o
+-obj-y += setup.o
++obj-y += button.o
++obj-y += flash.o
++obj-$(CONFIG_BOARD_GRASSHOPPER_LEDS) += led.o
++obj-y += mac.o
++obj-y += setup.o