target/linux/brcm2708/patches-3.18/0051-BCM2708-use-pinctrl-bcm2835.patch

   1 From fff70fcc73e09e86d46f87dd44459870f15423b2 Mon Sep 17 00:00:00 2001
   2 From: notro <notro@tronnes.org>
   3 Date: Thu, 10 Jul 2014 13:59:47 +0200
   4 Subject: [PATCH 051/114] BCM2708: use pinctrl-bcm2835
   5
   6 Use pinctrl-bcm2835 instead of the pinctrl-bcm2708 and bcm2708_gpio
   7 combination.
   8
   9 Signed-off-by: Noralf Tronnes <notro@tronnes.org>
  10 ---
  11  arch/arm/boot/dts/bcm2708.dtsi    | 12 ++++++++++++
  12  arch/arm/mach-bcm2708/Kconfig     |  3 +++
  13  arch/arm/mach-bcm2708/bcm2708.c   |  2 +-
  14  drivers/pinctrl/pinctrl-bcm2835.c |  2 +-
  15  4 files changed, 17 insertions(+), 2 deletions(-)
  16
  17 --- a/arch/arm/boot/dts/bcm2708.dtsi
  18 +++ b/arch/arm/boot/dts/bcm2708.dtsi
  19 @@ -26,6 +26,18 @@
  20                         interrupt-controller;
  21                         #interrupt-cells = <2>;
  22                 };
  23 +
  24 +               gpio: gpio {
  25 +                       compatible = "brcm,bcm2835-gpio";
  26 +                       reg = <0x7e200000 0xb4>;
  27 +                       interrupts = <2 17>, <2 18>;
  28 +
  29 +                       gpio-controller;
  30 +                       #gpio-cells = <2>;
  31 +
  32 +                       interrupt-controller;
  33 +                       #interrupt-cells = <2>;
  34 +               };
  35         };
  36
  37         clocks {
  38 --- a/arch/arm/mach-bcm2708/Kconfig
  39 +++ b/arch/arm/mach-bcm2708/Kconfig
  40 @@ -14,6 +14,9 @@ config BCM2708_DT
  41         depends on MACH_BCM2708
  42         default n
  43         select USE_OF
  44 +       select ARCH_REQUIRE_GPIOLIB
  45 +       select PINCTRL
  46 +       select PINCTRL_BCM2835
  47         help
  48           Enable Device Tree support for BCM2708
  49
  50 --- a/arch/arm/mach-bcm2708/bcm2708.c
  51 +++ b/arch/arm/mach-bcm2708/bcm2708.c
  52 @@ -767,7 +767,7 @@ void __init bcm2708_init(void)
  53         bcm_register_device(&bcm2708_dmaman_device);
  54         bcm_register_device(&bcm2708_vcio_device);
  55  #ifdef CONFIG_BCM2708_GPIO
  56 -       bcm_register_device(&bcm2708_gpio_device);
  57 +       bcm_register_device_dt(&bcm2708_gpio_device);
  58  #endif
  59  #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
  60         w1_gpio_pdata.pin = w1_gpio_pin;
  61 --- a/drivers/pinctrl/pinctrl-bcm2835.c
  62 +++ b/drivers/pinctrl/pinctrl-bcm2835.c
  63 @@ -382,7 +382,7 @@ static struct gpio_chip bcm2835_gpio_chi
  64         .get = bcm2835_gpio_get,
  65         .set = bcm2835_gpio_set,
  66         .to_irq = bcm2835_gpio_to_irq,
  67 -       .base = -1,
  68 +       .base = 0,
  69         .ngpio = BCM2835_NUM_GPIOS,
  70         .can_sleep = false,
  71  };