diff options
| author | Steve Lin <stlin@nvidia.com> | 2011-08-30 15:05:14 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-09-02 17:55:48 -0700 |
| commit | 438922d29d2a1d0a25bc4fe797390f29fc38d186 (patch) | |
| tree | 614e066a4cba74e9844debd7974b9d0aa3a0cd0f /arch | |
| parent | c2d98e286f6e4082d723f7cef45f9c87d12dcb7a (diff) | |
arm: tegra: baseband: Change modem BB_RST_OUT polarity
This change contains the following changes due to e450 modem FW change:
1) Change modem BB_RST_OUT polarity and move the wake_lock_timeout where
BB_RST_OUT is low.
2) Disable the AP pullup on BB_RST_OUT.
3) To increase the wake lock timeout to ensure the modem enumeration is
complete before system suspend.
Bug 867501
Change-Id: I8e6638fa8dd8c7af0893ad31693959794e8a4afe
Reviewed-on: http://git-master/r/49743
Reviewed-by: Steve Lin <stlin@nvidia.com>
Reviewed-by: Sheshagiri Shenoy <sshenoy@nvidia.com>
Reviewed-by: Frederic Bossy <fbossy@nvidia.com>
Tested-by: Frederic Bossy <fbossy@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-baseband.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-baseband.c b/arch/arm/mach-tegra/board-enterprise-baseband.c index f62d675c3072..fde96d05a524 100644 --- a/arch/arm/mach-tegra/board-enterprise-baseband.c +++ b/arch/arm/mach-tegra/board-enterprise-baseband.c @@ -172,10 +172,10 @@ static irqreturn_t mdm_start_thread(int irq, void *data) if (gpio_get_value(priv->restart_gpio)) { pr_info("BB_RST_OUT high\n"); - /* hold wait lock to complete the enumeration */ - wake_lock_timeout(&priv->wake_lock, HZ * 2); } else { pr_info("BB_RST_OUT low\n"); + /* hold wait lock to complete the enumeration */ + wake_lock_timeout(&priv->wake_lock, HZ * 10); } return IRQ_HANDLED; @@ -282,13 +282,10 @@ static int __init ph450_init(void) tegra_pinmux_set_pullupdown(TEGRA_PINGROUP_ULPI_STP, TEGRA_PUPD_PULL_UP); - /* enable pull-up for MDM2AP_ACK2 and BB_RST_OUT */ + /* enable pull-up for MDM2AP_ACK2 */ tegra_pinmux_set_pullupdown(TEGRA_PINGROUP_GPIO_PV0, TEGRA_PUPD_PULL_UP); - tegra_pinmux_set_pullupdown(TEGRA_PINGROUP_GPIO_PV1, - TEGRA_PUPD_PULL_UP); - tegra_gpio_enable(MODEM_PWR_ON); tegra_gpio_enable(MODEM_RESET); tegra_gpio_enable(AP2MDM_ACK2); |