target/linux/cns21xx/patches-3.10/102-cns21xx-gpiolib-support.patch

   1 --- a/arch/arm/Kconfig
   2 +++ b/arch/arm/Kconfig
   3 @@ -371,6 +371,8 @@ 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 --- /dev/null
  13 +++ b/arch/arm/mach-cns21xx/gpio.c
  14 @@ -0,0 +1,45 @@
  15 +/*
  16 + *  Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
  17 + *
  18 + *  This file is free software; you can redistribute it and/or modify
  19 + *  it under the terms of the GNU General Public License, Version 2, as
  20 + *  published by the Free Software Foundation.
  21 + */
  22 +
  23 +#include <plat/gpio.h>
  24 +
  25 +#include <mach/cns21xx.h>
  26 +#include <mach/irqs.h>
  27 +
  28 +static struct fa_gpio_chip cns21xx_gpio_chips[] = {
  29 +       {
  30 +               .gpio_chip = {
  31 +                       .label  = "GPIOA",
  32 +                       .base   = 0,
  33 +                       .ngpio  = 32,
  34 +               },
  35 +
  36 +               .map_base       = CNS21XX_GPIOA_BASE,
  37 +               .irq_base       = CNS21XX_GPIO_IRQ_BASE,
  38 +       }, {
  39 +               .gpio_chip = {
  40 +                       .label  = "GPIOB",
  41 +                       .base   = 32,
  42 +                       .ngpio  = 32,
  43 +               },
  44 +
  45 +               .map_base       = CNS21XX_GPIOB_BASE,
  46 +               .irq_base       = CNS21XX_GPIO_IRQ_BASE + 32,
  47 +       }
  48 +};
  49 +
  50 +static struct fa_gpio_data cns21xx_gpio_data = {
  51 +       .chips  = cns21xx_gpio_chips,
  52 +       .nchips = ARRAY_SIZE(cns21xx_gpio_chips),
  53 +       .irq    = CNS21XX_IRQ_GPIO,
  54 +};
  55 +
  56 +void __init cns21xx_gpio_init(void)
  57 +{
  58 +       fa_gpio_init(&cns21xx_gpio_data);
  59 +}
  60 --- /dev/null
  61 +++ b/arch/arm/mach-cns21xx/include/mach/gpio.h
  62 @@ -0,0 +1,2 @@
  63 +/* empty */
  64 +
  65 --- a/arch/arm/mach-cns21xx/Makefile
  66 +++ b/arch/arm/mach-cns21xx/Makefile
  67 @@ -4,7 +4,7 @@
  68
  69  # Object file lists.
  70
  71 -obj-y          := core.o irq.o mm.o time.o idle.o devices.o
  72 +obj-y          := core.o irq.o gpio.o mm.o time.o idle.o devices.o
  73
  74  # machine specific files
  75
  76 --- a/arch/arm/mach-cns21xx/common.h
  77 +++ b/arch/arm/mach-cns21xx/common.h
  78 @@ -14,6 +14,7 @@ void cns21xx_restart(char mode, const ch
  79  void cns21xx_map_io(void);
  80  void cns21xx_init_irq(void);
  81  void cns21xx_timer_init(void);
  82 +void cns21xx_gpio_init(void);
  83
  84  extern struct sys_timer cns21xx_timer;
  85