diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2010-12-30 17:19:16 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2010-12-30 17:19:16 +0000 |
| commit | 72ba27ae72480d5a23b77b5760d81d4142f8181b (patch) | |
| tree | e3572d5b242208667ee40cbfd0b37fc55de290e6 /target/linux/cns21xx/patches-2.6.37/102-cns21xx-gpiolib-support.patch | |
| parent | a718ebf1ed8956ec84ccd2d7f79653c0c0c74e5b (diff) | |
| download | upstream-72ba27ae72480d5a23b77b5760d81d4142f8181b.tar.gz upstream-72ba27ae72480d5a23b77b5760d81d4142f8181b.tar.bz2 upstream-72ba27ae72480d5a23b77b5760d81d4142f8181b.zip | |
cns21xx: add initial support for the Cavium CNS21xx SoC
SVN-Revision: 24859
Diffstat (limited to 'target/linux/cns21xx/patches-2.6.37/102-cns21xx-gpiolib-support.patch')
| -rw-r--r-- | target/linux/cns21xx/patches-2.6.37/102-cns21xx-gpiolib-support.patch | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/target/linux/cns21xx/patches-2.6.37/102-cns21xx-gpiolib-support.patch b/target/linux/cns21xx/patches-2.6.37/102-cns21xx-gpiolib-support.patch new file mode 100644 index 0000000000..d54a7132cd --- /dev/null +++ b/target/linux/cns21xx/patches-2.6.37/102-cns21xx-gpiolib-support.patch @@ -0,0 +1,113 @@ +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -296,6 +296,8 @@ config ARCH_CNS21XX + select CPU_FA526 + select PLAT_FA + select PLAT_FA_TIME ++ select PLAT_FA_GPIO ++ select ARCH_REQUIRE_GPIOLIB + select ARM_L1_CACHE_SHIFT_4 + help + Support for Cavium Networks CNS21xx family. +--- a/arch/arm/mach-cns21xx/common.h ++++ b/arch/arm/mach-cns21xx/common.h +@@ -12,6 +12,7 @@ + + void __init cns21xx_map_io(void); + void __init cns21xx_init_irq(void); ++void __init cns21xx_gpio_init(void); + + extern struct sys_timer cns21xx_timer; + +--- /dev/null ++++ b/arch/arm/mach-cns21xx/gpio.c +@@ -0,0 +1,45 @@ ++/* ++ * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org> ++ * ++ * This file is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License, Version 2, as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <plat/gpio.h> ++ ++#include <mach/cns21xx.h> ++#include <mach/irqs.h> ++ ++static struct fa_gpio_chip cns21xx_gpio_chips[] = { ++ { ++ .gpio_chip = { ++ .label = "GPIOA", ++ .base = 0, ++ .ngpio = 32, ++ }, ++ ++ .map_base = CNS21XX_GPIOA_BASE, ++ .irq_base = CNS21XX_GPIO_IRQ_BASE, ++ }, { ++ .gpio_chip = { ++ .label = "GPIOB", ++ .base = 32, ++ .ngpio = 32, ++ }, ++ ++ .map_base = CNS21XX_GPIOB_BASE, ++ .irq_base = CNS21XX_GPIO_IRQ_BASE + 32, ++ } ++}; ++ ++static struct fa_gpio_data cns21xx_gpio_data = { ++ .chips = cns21xx_gpio_chips, ++ .nchips = ARRAY_SIZE(cns21xx_gpio_chips), ++ .irq = CNS21XX_IRQ_GPIO, ++}; ++ ++void __init cns21xx_gpio_init(void) ++{ ++ fa_gpio_init(&cns21xx_gpio_data); ++} +--- /dev/null ++++ b/arch/arm/mach-cns21xx/include/mach/gpio.h +@@ -0,0 +1,30 @@ ++/* ++ * Copyright (c) 2008 Cavium Networks ++ * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org> ++ * ++ * This file is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License, Version 2, as ++ * published by the Free Software Foundation. ++ */ ++ ++#ifndef _CNS21XX_GPIO_H ++#define _CNS21XX_GPIO_H ++ ++#include <asm-generic/gpio.h> ++#include <mach/irqs.h> ++ ++#define gpio_get_value __gpio_get_value ++#define gpio_set_value __gpio_set_value ++#define gpio_cansleep __gpio_cansleep ++ ++static inline int gpio_to_irq(unsigned gpio) ++{ ++ return (CNS21XX_GPIO_IRQ_BASE + gpio); ++} ++ ++static inline int irq_to_gpio(int irq) ++{ ++ return (irq - CNS21XX_GPIO_IRQ_BASE); ++} ++ ++#endif /* _CNS21XX_GPIO_H */ +--- a/arch/arm/mach-cns21xx/Makefile ++++ b/arch/arm/mach-cns21xx/Makefile +@@ -4,7 +4,7 @@ + + # Object file lists. + +-obj-y := core.o devices.o irq.o mm.o time.o ++obj-y := core.o devices.o gpio.o irq.o mm.o time.o + + # machine specific files + |