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authorMax Chou <max.chou@realtek.com>2020-02-17 16:14:55 +0800
committerMarcel Holtmann <marcel@holtmann.org>2020-02-18 09:22:22 +0100
commit848fc6164158d697b70b390a2db5019663713f47 (patch)
tree988f7aa428bc0a1eba2cbfe3dd6bff95f4240439 /drivers/bluetooth
parente22998f53a1e5a2e8c98d0f42506be985773b50c (diff)
downloadlinux-848fc6164158d697b70b390a2db5019663713f47.tar.bz2
Bluetooth: hci_h5: btrtl: Add support for RTL8822C
Add new compatible and FW loading support for RTL8822C. Signed-off-by: Max Chou <max.chou@realtek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/Kconfig2
-rw-r--r--drivers/bluetooth/btrtl.c12
-rw-r--r--drivers/bluetooth/hci_h5.c20
3 files changed, 33 insertions, 1 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index ca0356dbbb08..4e73a531b377 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -211,7 +211,7 @@ config BT_HCIUART_RTL
depends on BT_HCIUART
depends on BT_HCIUART_SERDEV
depends on GPIOLIB
- depends on ACPI
+ depends on (ACPI || SERIAL_DEV_CTRL_TTYPORT)
select BT_HCIUART_3WIRE
select BT_RTL
help
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 577cfa3329db..67f4bc21e7c5 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -136,6 +136,18 @@ static const struct id_table ic_id_table[] = {
.fw_name = "rtl_bt/rtl8761a_fw.bin",
.cfg_name = "rtl_bt/rtl8761a_config" },
+ /* 8822C with UART interface */
+ { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV |
+ IC_MATCH_FL_HCIBUS,
+ .lmp_subver = RTL_ROM_LMP_8822B,
+ .hci_rev = 0x000c,
+ .hci_ver = 0x0a,
+ .hci_bus = HCI_UART,
+ .config_needed = true,
+ .has_rom_version = true,
+ .fw_name = "rtl_bt/rtl8822cs_fw.bin",
+ .cfg_name = "rtl_bt/rtl8822cs_config" },
+
/* 8822C with USB interface */
{ IC_INFO(RTL_ROM_LMP_8822B, 0xc),
.config_needed = false,
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 0b14547482a7..1d8173886852 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -11,6 +11,7 @@
#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>
@@ -810,8 +811,17 @@ 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 {
+ const void *data;
+
+ data = of_device_get_match_data(dev);
+ if (!data)
+ return -ENODEV;
+
+ h5->vnd = (const struct h5_vnd *)data;
}
+
h5->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
if (IS_ERR(h5->enable_gpio))
return PTR_ERR(h5->enable_gpio);
@@ -1003,6 +1013,15 @@ static const struct dev_pm_ops h5_serdev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(h5_serdev_suspend, h5_serdev_resume)
};
+static const struct of_device_id rtl_bluetooth_of_match[] = {
+#ifdef CONFIG_BT_HCIUART_RTL
+ { .compatible = "realtek,rtl8822cs-bt",
+ .data = (const void *)&rtl_vnd },
+#endif
+ { },
+};
+MODULE_DEVICE_TABLE(of, rtl_bluetooth_of_match);
+
static struct serdev_device_driver h5_serdev_driver = {
.probe = h5_serdev_probe,
.remove = h5_serdev_remove,
@@ -1010,6 +1029,7 @@ static struct serdev_device_driver h5_serdev_driver = {
.name = "hci_uart_h5",
.acpi_match_table = ACPI_PTR(h5_acpi_match),
.pm = &h5_serdev_pm_ops,
+ .of_match_table = rtl_bluetooth_of_match,
},
};