target/linux/cns21xx/patches-3.6/102-cns21xx-gpiolib-support.patch

   1 --- a/arch/arm/Kconfig
   2 +++ b/arch/arm/Kconfig
   3 @@ -390,6 +390,8 @@ config ARCH_CNS21XX
   4         select CPU_FA526
   5         select PLAT_FA
   6         select PLAT_FA_TIME
   7 +       select PLAT_FA_GPIO
   8 +       select ARCH_REQUIRE_GPIOLIB
   9         select ARM_L1_CACHE_SHIFT_4
  10         help
  11           Support for Cavium Networks CNS21xx family.
  12 --- a/arch/arm/mach-cns21xx/common.h
  13 +++ b/arch/arm/mach-cns21xx/common.h
  14 @@ -13,6 +13,7 @@
  15  void cns21xx_restart(char mode, const char *cmd);
  16  void cns21xx_map_io(void);
  17  void cns21xx_init_irq(void);
  18 +void cns21xx_gpio_init(void);
  19
  20  extern struct sys_timer cns21xx_timer;
  21
  22 --- /dev/null
  23 +++ b/arch/arm/mach-cns21xx/gpio.c
  24 @@ -0,0 +1,45 @@
  25 +/*
  26 + *  Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
  27 + *
  28 + *  This file is free software; you can redistribute it and/or modify
  29 + *  it under the terms of the GNU General Public License, Version 2, as
  30 + *  published by the Free Software Foundation.
  31 + */
  32 +
  33 +#include <plat/gpio.h>
  34 +
  35 +#include <mach/cns21xx.h>
  36 +#include <mach/irqs.h>
  37 +
  38 +static struct fa_gpio_chip cns21xx_gpio_chips[] = {
  39 +       {
  40 +               .gpio_chip = {
  41 +                       .label  = "GPIOA",
  42 +                       .base   = 0,
  43 +                       .ngpio  = 32,
  44 +               },
  45 +
  46 +               .map_base       = CNS21XX_GPIOA_BASE,
  47 +               .irq_base       = CNS21XX_GPIO_IRQ_BASE,
  48 +       }, {
  49 +               .gpio_chip = {
  50 +                       .label  = "GPIOB",
  51 +                       .base   = 32,
  52 +                       .ngpio  = 32,
  53 +               },
  54 +
  55 +               .map_base       = CNS21XX_GPIOB_BASE,
  56 +               .irq_base       = CNS21XX_GPIO_IRQ_BASE + 32,
  57 +       }
  58 +};
  59 +
  60 +static struct fa_gpio_data cns21xx_gpio_data = {
  61 +       .chips  = cns21xx_gpio_chips,
  62 +       .nchips = ARRAY_SIZE(cns21xx_gpio_chips),
  63 +       .irq    = CNS21XX_IRQ_GPIO,
  64 +};
  65 +
  66 +void __init cns21xx_gpio_init(void)
  67 +{
  68 +       fa_gpio_init(&cns21xx_gpio_data);
  69 +}
  70 --- /dev/null
  71 +++ b/arch/arm/mach-cns21xx/include/mach/gpio.h
  72 @@ -0,0 +1,2 @@
  73 +/* empty */
  74 +
  75 --- a/arch/arm/mach-cns21xx/Makefile
  76 +++ b/arch/arm/mach-cns21xx/Makefile
  77 @@ -4,7 +4,7 @@
  78
  79  # Object file lists.
  80
  81 -obj-y          := core.o devices.o irq.o mm.o time.o
  82 +obj-y          := core.o devices.o gpio.o irq.o mm.o time.o
  83
  84  # machine specific files
  85