package/boot/uboot-mediatek/patches/000-mtk-04-pinctrl-mediatek-add-get_pin_muxing-ops-for-mediatek.patch

   1 From ca73da39ff0c9f599f75d7ccac0196030aa946b9 Mon Sep 17 00:00:00 2001
   2 From: Sam Shih <sam.shih@mediatek.com>
   3 Date: Thu, 17 Dec 2020 19:32:48 +0800
   4 Subject: [PATCH 04/21] pinctrl: mediatek: add get_pin_muxing ops for mediatek
   5  pinctrl
   6
   7 This patch add get_pin_muxing support for mediatek pinctrl drivers
   8
   9 Signed-off-by: Sam Shih <sam.shih@mediatek.com>
  10 ---
  11  drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 14 ++++++++++++++
  12  1 file changed, 14 insertions(+)
  13
  14 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
  15 +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
  16 @@ -232,6 +232,19 @@ static int mtk_get_pins_count(struct ude
  17         return priv->soc->npins;
  18  }
  19
  20 +static int mtk_get_pin_muxing(struct udevice *dev,
  21 +                                 unsigned int selector,
  22 +                                 char *buf, int size)
  23 +{
  24 +       int val, err;
  25 +       err = mtk_hw_get_value(dev, selector, PINCTRL_PIN_REG_MODE, &val);
  26 +       if (err)
  27 +               return err;
  28 +
  29 +       snprintf(buf, size, "Aux Func.%d", val);
  30 +       return 0;
  31 +}
  32 +
  33  static const char *mtk_get_group_name(struct udevice *dev,
  34                                       unsigned int selector)
  35  {
  36 @@ -512,6 +525,7 @@ static int mtk_pinconf_group_set(struct
  37  const struct pinctrl_ops mtk_pinctrl_ops = {
  38         .get_pins_count = mtk_get_pins_count,
  39         .get_pin_name = mtk_get_pin_name,
  40 +       .get_pin_muxing = mtk_get_pin_muxing,
  41         .get_groups_count = mtk_get_groups_count,
  42         .get_group_name = mtk_get_group_name,
  43         .get_functions_count = mtk_get_functions_count,