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AR-1 - Adding support category for distributions AR-4 - Remove Allwinner legacy AR-5 - Drop Udoo family and move Udoo board into newly created imx6 family AR-9 - Rename sunxi-next to sunxi-legacy AR-10 - Rename sunxi-dev to sunxi-current AR-11 - Adding Radxa Rockpi S support AR-13 - Rename rockchip64-default to rockchip64-legacy AR-14 - Add rockchip64-current as mainline source AR-15 - Drop Rockchip 4.19.y NEXT, current become 5.3.y AR-16 - Rename RK3399 default to legacy AR-17 - Rename Odroid XU4 next and default to legacy 4.14.y, add DEV 5.4.y AR-18 - Add Odroid N2 current mainline AR-19 - Move Odroid C1 to meson family AR-20 - Rename mvebu64-default to mvebu64-legacy AR-21 - Rename mvebu-default to mvebu-legacy AR-22 - Rename mvebu-next to mvebu-current AR-23 - Drop meson64 default and next, current becomes former DEV 5.3.y AR-24 - Drop cubox family and move Cubox/Hummingboard boards under imx6 AR-26 - Adjust motd AR-27 - Enabling distribution release status AR-28 - Added new GCC compilers AR-29 - Implementing Ubuntu Eoan AR-30 - Add desktop packages per board or family AR-31 - Remove (Ubuntu/Debian) distribution name from image filename AR-32 - Move arch configs from configuration.sh to separate arm64 and armhf config files AR-33 - Revision numbers for beta builds changed to day_in_the_year AR-34 - Patches support linked patches AR-35 - Break meson64 family into gxbb and gxl AR-36 - Add Nanopineo2 Black AR-38 - Upgrade option from old branches to new one via armbian-config AR-41 - Show full timezone info AR-43 - Merge Odroid N2 to meson64 AR-44 - Enable FORCE_BOOTSCRIPT_UPDATE for all builds
57 lines
1.7 KiB
Diff
57 lines
1.7 KiB
Diff
From e8a404daea8d869304fdf810ac502cda8fbb4999 Mon Sep 17 00:00:00 2001
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From: Vasily Khoruzhick <anarsoul@gmail.com>
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Date: Wed, 31 Oct 2018 19:48:25 -0700
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Subject: [PATCH 140/146] Bluetooth: hci_h5: Add support for reset GPIO
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Some boards (e.g. Pine64 and Pinebook) wire a GPIO to reset pin of
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RTL8723BS
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Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
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---
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drivers/bluetooth/hci_h5.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
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index 8eede1197cd2..6e047df4f475 100644
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--- a/drivers/bluetooth/hci_h5.c
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+++ b/drivers/bluetooth/hci_h5.c
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@@ -107,6 +107,7 @@ struct h5 {
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const struct h5_vnd *vnd;
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const char *id;
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+ struct gpio_desc *reset_gpio;
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struct gpio_desc *enable_gpio;
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struct gpio_desc *device_wake_gpio;
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};
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@@ -831,6 +832,10 @@ static int h5_serdev_probe(struct serdev_device *serdev)
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if (IS_ERR(h5->device_wake_gpio))
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return PTR_ERR(h5->device_wake_gpio);
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+ h5->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
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+ if (IS_ERR(h5->reset_gpio))
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+ return PTR_ERR(h5->reset_gpio);
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+
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return hci_uart_register_device(&h5->serdev_hu, &h5p);
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}
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@@ -897,6 +902,9 @@ static void h5_btrtl_open(struct h5 *h5)
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/* The controller needs up to 500ms to wakeup */
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gpiod_set_value_cansleep(h5->enable_gpio, 1);
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+ /* Take it out of reset */
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+ gpiod_set_value_cansleep(h5->reset_gpio, 0);
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+ msleep(100);
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gpiod_set_value_cansleep(h5->device_wake_gpio, 1);
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msleep(500);
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}
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@@ -904,6 +912,7 @@ static void h5_btrtl_open(struct h5 *h5)
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static void h5_btrtl_close(struct h5 *h5)
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{
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gpiod_set_value_cansleep(h5->device_wake_gpio, 0);
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+ gpiod_set_value_cansleep(h5->reset_gpio, 1);
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gpiod_set_value_cansleep(h5->enable_gpio, 0);
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}
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--
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2.17.1
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