diff options
| author | Anantha Idapalapati <aidapalapati@nvidia.com> | 2010-08-10 15:17:44 +0530 |
|---|---|---|
| committer | Bharat Nihalani <bnihalani@nvidia.com> | 2010-09-23 23:49:46 -0700 |
| commit | 7dec50c3f194738f7d48f79020355ff6b75d32f3 (patch) | |
| tree | ca447ae1d2b612be378d416edb0818bb035c505f /arch | |
| parent | b8306f9dea5518a0bb5cec682f57cd1d87e755b9 (diff) | |
tegra bluesleep: creating a bluesleep platform device.
Based on CONFIG_BT_BLUESLEEP configuration variable, a bluesleep device
will be created and used to actively manage the BT device power.
Bug 680524
Bug 691608
Change-Id: If2f470a385392ad7a94b6d69a919be55487569e9
(cherry picked from commit 011a705248274804c80c12af5366693e6662829b)
Change-Id: If2f470a385392ad7a94b6d69a919be55487569e9
Reviewed-on: http://git-master/r/6851
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/board-generic.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-generic.c b/arch/arm/mach-tegra/board-generic.c index 26d46983172e..fb84de21dc3b 100644 --- a/arch/arm/mach-tegra/board-generic.c +++ b/arch/arm/mach-tegra/board-generic.c @@ -295,6 +295,62 @@ static void __init do_system_init(bool standard_i2c, bool standard_spi) platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } +#ifdef CONFIG_BT_BLUESLEEP +static noinline void __init tegra_setup_bluesleep(void) +{ + struct platform_device *pdev = NULL; + struct resource *res; + + pdev = platform_device_alloc("bluesleep", 0); + if (!pdev) { + pr_err("unable to allocate platform device for bluesleep"); + return; + } + + res = kzalloc(sizeof(struct resource) * 3, GFP_KERNEL); + if (!res) { + pr_err("unable to allocate resource for bluesleep\n"); + goto err_free_dev; + } + + res[0].name = "gpio_host_wake"; + res[0].start = TEGRA_GPIO_PU6; + res[0].end = TEGRA_GPIO_PU6; + res[0].flags = IORESOURCE_IO; + + res[1].name = "gpio_ext_wake"; + res[1].start = TEGRA_GPIO_PU1; + res[1].end = TEGRA_GPIO_PU1; + res[1].flags = IORESOURCE_IO; + + res[2].name = "host_wake"; + res[2].start = gpio_to_irq(TEGRA_GPIO_PU6); + res[2].end = gpio_to_irq(TEGRA_GPIO_PU6); + res[2].flags = IORESOURCE_IRQ; + + if (platform_device_add_resources(pdev, res, 3)) { + pr_err("unable to add resources to bluesleep device\n"); + goto err_free_res; + } + + if (platform_device_add(pdev)) { + pr_err("unable to add bluesleep device\n"); + goto err_free_res; + } + return; + +err_free_res: + kfree(res); +err_free_dev: + platform_device_put(pdev); + return; +} +#else +static inline void tegra_setup_bluesleep(void) { } +#endif + + + static void __init tegra_harmony_init(void) { #ifdef CONFIG_USB_ANDROID @@ -311,6 +367,7 @@ static void __init tegra_ventana_init(void) do_system_init(false, true); i2c_device_setup(); tegra_setup_32khz_clock(); + tegra_setup_bluesleep(); } static void __init tegra_generic_init(void) |