Bluetooth: btmrvl: add DT-bindings for gpio-gap

This can be used to have GPIO host wakeup method suitable for the
platform and configurable GAP for host sleep handshake.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index 2909bca6b8b6..e43c495e8181 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -492,13 +492,18 @@ static int btmrvl_download_cal_data(struct btmrvl_private *priv,
         return 0;
 }
 
-static int btmrvl_cal_data_dt(struct btmrvl_private *priv)
+static int btmrvl_check_device_tree(struct btmrvl_private *priv)
 {
         struct device_node *dt_node;
         u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE];
         int ret;
+        u32 val;
 
         for_each_compatible_node(dt_node, NULL, "btmrvl,cfgdata") {
+                ret = of_property_read_u32(dt_node, "btmrvl,gpio-gap", &val);
+                if (!ret)
+                        priv->btmrvl_dev.gpio_gap = val;
+
                 ret = of_property_read_u8_array(dt_node, "btmrvl,cal-data",
                                                 cal_data + BT_CAL_HDR_LEN,
                                                 BT_CAL_DATA_SIZE);
@@ -523,14 +528,15 @@ static int btmrvl_setup(struct hci_dev *hdev)
 
         btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
 
-        btmrvl_cal_data_dt(priv);
+        priv->btmrvl_dev.gpio_gap = 0xffff;
+
+        btmrvl_check_device_tree(priv);
 
         btmrvl_pscan_window_reporting(priv, 0x01);
 
         priv->btmrvl_dev.psmode = 1;
         btmrvl_enable_ps(priv);
 
-        priv->btmrvl_dev.gpio_gap = 0xffff;
         btmrvl_send_hscfg_cmd(priv);
 
         return 0;