diff options
Diffstat (limited to 'target/linux/at91/patches-2.6.21/002-led-driver.patch')
| -rw-r--r-- | target/linux/at91/patches-2.6.21/002-led-driver.patch | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/target/linux/at91/patches-2.6.21/002-led-driver.patch b/target/linux/at91/patches-2.6.21/002-led-driver.patch new file mode 100644 index 0000000000..e78ed443c0 --- /dev/null +++ b/target/linux/at91/patches-2.6.21/002-led-driver.patch @@ -0,0 +1,189 @@ +diff -urN linux-2.6.21.1.orig/arch/arm/mach-at91/board-vlink.c linux-2.6.21.1/arch/arm/mach-at91/board-vlink.c +--- linux-2.6.21.1.orig/arch/arm/mach-at91/board-vlink.c 2007-05-28 13:33:41.000000000 +0200 ++++ linux-2.6.21.1/arch/arm/mach-at91/board-vlink.c 2007-05-28 14:43:28.000000000 +0200 +@@ -61,7 +61,7 @@ + at91rm9200_initialize(18432000, AT91RM9200_PQFP); + + /* Setup the LEDs */ +-// at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2); ++ at91_init_leds(AT91_PIN_PC14, AT91_PIN_PC15); + + /* Setup the serial ports and console */ + at91_init_serial(&vlink_uart_config); +@@ -81,10 +81,12 @@ + .ports = 1, + }; + ++/* + static struct at91_udc_data __initdata vlink_udc_data = { + .vbus_pin = AT91_PIN_PD4, + .pullup_pin = AT91_PIN_PD5, + }; ++*/ + + static struct at91_mmc_data __initdata vlink_mmc_data = { + // .det_pin = AT91_PIN_PB27, +@@ -108,18 +110,19 @@ + #endif + }; + +-static struct at91_gpio_led vlink_leds[] = { ++/*static struct at91_gpio_led vlink_leds[] = { + { + .name = "led0", +- .gpio = AT91_PIN_PB1, ++ .gpio = AT91_PIN_PC14, + .trigger = "heartbeat", + }, + { + .name = "led1", +- .gpio = AT91_PIN_PB2, ++ .gpio = AT91_PIN_PC15, + .trigger = "timer", + } + }; ++*/ + + static void __init vlink_board_init(void) + { +@@ -130,8 +133,8 @@ + /* USB Host */ + at91_add_device_usbh(&vlink_usbh_data); + /* USB Device */ +- at91_add_device_udc(&vlink_udc_data); +- at91_set_multi_drive(vlink_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ ++// at91_add_device_udc(&vlink_udc_data); ++// at91_set_multi_drive(vlink_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ + /* I2C */ + at91_add_device_i2c(); + /* SPI */ +@@ -145,7 +148,7 @@ + at91_add_device_mmc(0, &vlink_mmc_data); + #endif + /* LEDs */ +- at91_gpio_leds(vlink_leds, ARRAY_SIZE(vlink_leds)); ++// at91_gpio_leds(vlink_leds, ARRAY_SIZE(vlink_leds)); + } + + MACHINE_START(VLINK, "FDL VersaLink") +diff -urN linux-2.6.21.1.orig/arch/arm/mach-at91/Makefile linux-2.6.21.1/arch/arm/mach-at91/Makefile +--- linux-2.6.21.1.orig/arch/arm/mach-at91/Makefile 2007-05-28 13:13:15.000000000 +0200 ++++ linux-2.6.21.1/arch/arm/mach-at91/Makefile 2007-05-28 14:19:06.000000000 +0200 +@@ -52,7 +52,7 @@ + led-$(CONFIG_MACH_CSB637) += leds.o + led-$(CONFIG_MACH_KB9200) += leds.o + led-$(CONFIG_MACH_KAFA) += leds.o +-led-$(CONFIG_MACH_VLINK) += leds.o ++led-$(CONFIG_MACH_VLINK) += vlink_leds.o + obj-$(CONFIG_LEDS) += $(led-y) + + # VGA support +diff -urN linux-2.6.21.1.orig/arch/arm/mach-at91/vlink_leds.c linux-2.6.21.1/arch/arm/mach-at91/vlink_leds.c +--- linux-2.6.21.1.orig/arch/arm/mach-at91/vlink_leds.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.21.1/arch/arm/mach-at91/vlink_leds.c 2007-05-28 14:41:03.000000000 +0200 +@@ -0,0 +1,105 @@ ++/* ++ * LED driver for Atmel AT91-based boards. ++ * ++ * Copyright (C) SAN People (Pty) Ltd ++ * Modified for FDL VersaLink Copyright (C) Guthrie Consulting ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++*/ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/init.h> ++ ++#include <asm/mach-types.h> ++#include <asm/leds.h> ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++ ++ ++static inline void at91_led_on(unsigned int led) ++{ ++ at91_set_gpio_value(led, 0); ++} ++ ++static inline void at91_led_off(unsigned int led) ++{ ++ at91_set_gpio_value(led, 1); ++} ++ ++static inline void at91_led_toggle(unsigned int led) ++{ ++ unsigned long is_off = at91_get_gpio_value(led); ++ if (is_off) { ++ at91_led_on(led); ++ at91_led_off(at91_leds_cpu); ++ } ++ else { ++ at91_led_on(at91_leds_cpu); ++ at91_led_off(led); ++ } ++} ++ ++ ++/* ++ * Handle LED events. ++ */ ++ ++/* ++ * VersaLink has a single bi-coloured LED which changes colour when the ++ * polarity is reversed ++ */ ++static void at91_leds_event(led_event_t evt) ++{ ++ unsigned long flags; ++ ++ local_irq_save(flags); ++ ++ switch(evt) { ++ case led_start: /* System startup */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++ ++ case led_stop: /* System stop / suspend */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++ ++#ifdef CONFIG_LEDS_TIMER ++ case led_timer: /* Every 50 timer ticks */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++#endif ++ ++#ifdef CONFIG_LEDS_CPU ++ case led_idle_start: /* Entering idle state */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++ ++ case led_idle_end: /* Exit idle state */ ++ at91_led_toggle(at91_leds_timer); ++ break; ++#endif ++ ++ default: ++ break; ++ } ++ ++ local_irq_restore(flags); ++} ++ ++ ++static int __init leds_init(void) ++{ ++ if (!at91_leds_timer || !at91_leds_cpu) ++ return -ENODEV; ++ ++ leds_event = at91_leds_event; ++ ++ leds_event(led_start); ++ return 0; ++} ++ ++__initcall(leds_init); |