diff options
Diffstat (limited to 'packages/linux/linux-2.6.22.6/ts72xx/ep93xx-gpio-interrupt-debounce.diff')
| -rw-r--r-- | packages/linux/linux-2.6.22.6/ts72xx/ep93xx-gpio-interrupt-debounce.diff | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/packages/linux/linux-2.6.22.6/ts72xx/ep93xx-gpio-interrupt-debounce.diff b/packages/linux/linux-2.6.22.6/ts72xx/ep93xx-gpio-interrupt-debounce.diff deleted file mode 100644 index 27146c30f1..0000000000 --- a/packages/linux/linux-2.6.22.6/ts72xx/ep93xx-gpio-interrupt-debounce.diff +++ /dev/null @@ -1,87 +0,0 @@ - -Implement GPIO interrupt debouncing on ep93xx. - -Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> - -Index: linux-2.6.22/arch/arm/mach-ep93xx/core.c -=================================================================== ---- linux-2.6.22.orig/arch/arm/mach-ep93xx/core.c -+++ linux-2.6.22/arch/arm/mach-ep93xx/core.c -@@ -154,6 +154,7 @@ struct sys_timer ep93xx_timer = { - *************************************************************************/ - static unsigned char gpio_int_unmasked[3]; - static unsigned char gpio_int_enabled[3]; -+static unsigned char gpio_int_debounce[3]; - static unsigned char gpio_int_type1[3]; - static unsigned char gpio_int_type2[3]; - -@@ -161,16 +162,19 @@ static void update_gpio_int_params(int a - { - if (abf == 0) { - __raw_writeb(0, EP93XX_GPIO_A_INT_ENABLE); -+ __raw_writeb(gpio_int_debounce[0], EP93XX_GPIO_A_INT_DEBOUNCE); - __raw_writeb(gpio_int_type2[0], EP93XX_GPIO_A_INT_TYPE2); - __raw_writeb(gpio_int_type1[0], EP93XX_GPIO_A_INT_TYPE1); - __raw_writeb(gpio_int_unmasked[0] & gpio_int_enabled[0], EP93XX_GPIO_A_INT_ENABLE); - } else if (abf == 1) { - __raw_writeb(0, EP93XX_GPIO_B_INT_ENABLE); -+ __raw_writeb(gpio_int_debounce[1], EP93XX_GPIO_B_INT_DEBOUNCE); - __raw_writeb(gpio_int_type2[1], EP93XX_GPIO_B_INT_TYPE2); - __raw_writeb(gpio_int_type1[1], EP93XX_GPIO_B_INT_TYPE1); - __raw_writeb(gpio_int_unmasked[1] & gpio_int_enabled[1], EP93XX_GPIO_B_INT_ENABLE); - } else if (abf == 2) { - __raw_writeb(0, EP93XX_GPIO_F_INT_ENABLE); -+ __raw_writeb(gpio_int_debounce[2], EP93XX_GPIO_F_INT_DEBOUNCE); - __raw_writeb(gpio_int_type2[2], EP93XX_GPIO_F_INT_TYPE2); - __raw_writeb(gpio_int_type1[2], EP93XX_GPIO_F_INT_TYPE1); - __raw_writeb(gpio_int_unmasked[2] & gpio_int_enabled[2], EP93XX_GPIO_F_INT_ENABLE); -@@ -361,6 +365,13 @@ static int ep93xx_gpio_irq_type(unsigned - } else { - gpio_int_enabled[port] &= ~(1 << line); - } -+ -+ if (type & IRQ_TYPE_DEBOUNCE) { -+ gpio_int_debounce[port] |= 1 << line; -+ } else { -+ gpio_int_debounce[port] &= ~(1 << line); -+ } -+ - update_gpio_int_params(port); - - return 0; -Index: linux-2.6.22/include/asm-arm/arch-ep93xx/ep93xx-regs.h -=================================================================== ---- linux-2.6.22.orig/include/asm-arm/arch-ep93xx/ep93xx-regs.h -+++ linux-2.6.22/include/asm-arm/arch-ep93xx/ep93xx-regs.h -@@ -78,16 +78,19 @@ - #define EP93XX_GPIO_F_INT_ACK EP93XX_GPIO_REG(0x54) - #define EP93XX_GPIO_F_INT_ENABLE EP93XX_GPIO_REG(0x58) - #define EP93XX_GPIO_F_INT_STATUS EP93XX_GPIO_REG(0x5c) -+#define EP93XX_GPIO_F_INT_DEBOUNCE EP93XX_GPIO_REG(0x64) - #define EP93XX_GPIO_A_INT_TYPE1 EP93XX_GPIO_REG(0x90) - #define EP93XX_GPIO_A_INT_TYPE2 EP93XX_GPIO_REG(0x94) - #define EP93XX_GPIO_A_INT_ACK EP93XX_GPIO_REG(0x98) - #define EP93XX_GPIO_A_INT_ENABLE EP93XX_GPIO_REG(0x9c) - #define EP93XX_GPIO_A_INT_STATUS EP93XX_GPIO_REG(0xa0) -+#define EP93XX_GPIO_A_INT_DEBOUNCE EP93XX_GPIO_REG(0xa8) - #define EP93XX_GPIO_B_INT_TYPE1 EP93XX_GPIO_REG(0xac) - #define EP93XX_GPIO_B_INT_TYPE2 EP93XX_GPIO_REG(0xb0) - #define EP93XX_GPIO_B_INT_ACK EP93XX_GPIO_REG(0xb4) - #define EP93XX_GPIO_B_INT_ENABLE EP93XX_GPIO_REG(0xb8) - #define EP93XX_GPIO_B_INT_STATUS EP93XX_GPIO_REG(0xbc) -+#define EP93XX_GPIO_B_INT_DEBOUNCE EP93XX_GPIO_REG(0xc4) - - #define EP93XX_AAC_BASE (EP93XX_APB_VIRT_BASE + 0x00080000) - -Index: linux-2.6.22/include/linux/irq.h -=================================================================== ---- linux-2.6.22.orig/include/linux/irq.h -+++ linux-2.6.22/include/linux/irq.h -@@ -44,6 +44,7 @@ typedef void fastcall (*irq_flow_handler - #define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */ - #define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */ - #define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */ -+#define IRQ_TYPE_DEBOUNCE 0x00000020 /* Enable HW debounce */ - - /* Internal flags */ - #define IRQ_INPROGRESS 0x00000100 /* IRQ handler active - do not enter! */ |