target/linux/lantiq/patches-3.8/0013-PINCTRL-lantiq-add-functionality-to-falcon_pinconf_d.patch

   1 From 98d06bc9e2a2f534aaaf4229aaf871e394234d20 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Wed, 30 Jan 2013 20:13:09 +0100
   4 Subject: [PATCH 13/40] PINCTRL: lantiq: add functionality to
   5  falcon_pinconf_dbg_show
   6
   7 The current code only has a stub for falcon_pinconf_dbg_show. This patch adds
   8 proper functionality.
   9
  10 Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
  11 Signed-off-by: John Crispin <blogic@openwrt.org>
  12 ---
  13  drivers/pinctrl/pinctrl-falcon.c |   31 +++++++++++++++++++++++++++++++
  14  1 file changed, 31 insertions(+)
  15
  16 --- a/drivers/pinctrl/pinctrl-falcon.c
  17 +++ b/drivers/pinctrl/pinctrl-falcon.c
  18 @@ -315,6 +315,37 @@ static int falcon_pinconf_set(struct pin
  19  static void falcon_pinconf_dbg_show(struct pinctrl_dev *pctrldev,
  20                         struct seq_file *s, unsigned offset)
  21  {
  22 +       unsigned long config;
  23 +       struct pin_desc *desc;
  24 +
  25 +       struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
  26 +       int port = PORT(offset);
  27 +
  28 +       seq_printf(s, " (port %d) mux %d -- ", port,
  29 +               pad_r32(info->membase[port], LTQ_PADC_MUX(PORT_PIN(offset))));
  30 +
  31 +       config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_PULL, 0);
  32 +       if (!falcon_pinconf_get(pctrldev, offset, &config))
  33 +               seq_printf(s, "pull %d ",
  34 +                       (int)LTQ_PINCONF_UNPACK_ARG(config));
  35 +
  36 +       config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_DRIVE_CURRENT, 0);
  37 +       if (!falcon_pinconf_get(pctrldev, offset, &config))
  38 +               seq_printf(s, "drive-current %d ",
  39 +                       (int)LTQ_PINCONF_UNPACK_ARG(config));
  40 +
  41 +       config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_SLEW_RATE, 0);
  42 +       if (!falcon_pinconf_get(pctrldev, offset, &config))
  43 +               seq_printf(s, "slew-rate %d ",
  44 +                       (int)LTQ_PINCONF_UNPACK_ARG(config));
  45 +
  46 +       desc = pin_desc_get(pctrldev, offset);
  47 +       if (desc) {
  48 +               if (desc->gpio_owner)
  49 +                       seq_printf(s, " owner: %s", desc->gpio_owner);
  50 +       } else {
  51 +               seq_printf(s, " not registered");
  52 +       }
  53  }
  54
  55  static void falcon_pinconf_group_dbg_show(struct pinctrl_dev *pctrldev,