[PATCH 4/8] Bluetooth: hci_h5: Add support for binding RTL8723BS with device tree

Vasily Khoruzhick
2019-01-18T17:02:28Z

RTL8723BS is often used in ARM boards, so add ability to bind it
using device tree.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
drivers/bluetooth/hci_h5.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 7ead8c3d8657..44f848c02c63 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -26,6 +26,7 @@
#include <linux/gpio/consumer.h>
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
+#include <linux/of_device.h>
#include <linux/serdev.h>
#include <linux/skbuff.h>

@@ -823,6 +824,11 @@ static int h5_serdev_probe(struct serdev_device *serdev)
if (h5->vnd->acpi_gpio_map)
devm_acpi_dev_add_driver_gpios(dev,
h5->vnd->acpi_gpio_map);
+ } else {
+ h5->vnd = (const struct h5_vnd *)
+ of_device_get_match_data(&serdev->dev);
+ of_property_read_string(serdev->dev.of_node,
+ "firmware-postfix", &h5->id);
}

h5->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
@@ -1024,12 +1030,26 @@ static const struct dev_pm_ops h5_serdev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(h5_serdev_suspend, h5_serdev_resume)
};

+static struct h5_vnd rtl8723_of_vnd = {
+ .setup = h5_btrtl_setup,
+ .open = h5_btrtl_open,
+ .close = h5_btrtl_close,
+};
+
+static const struct of_device_id h5_of_match[] = {
+ { .compatible = "realtek,rtl8723bs-bt", .data = &rtl8723_of_vnd },
+ { .compatible = "realtek,rtl8723cs-bt", .data = &rtl8723_of_vnd },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, h5_of_match);
+
static struct serdev_device_driver h5_serdev_driver = {
.probe = h5_serdev_probe,
.remove = h5_serdev_remove,
.driver = {
.name = "hci_uart_h5",
.acpi_match_table = ACPI_PTR(h5_acpi_match),
+ .of_match_table = of_match_ptr(h5_of_match),
.pm = &h5_serdev_pm_ops,
},
};
--
2.20.1