diff options
| author | Bill Huang <bilhuang@nvidia.com> | 2011-12-15 02:42:15 -0800 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-22 11:29:32 +0530 |
| commit | 5a6654837203ad75c679169d89ed55fa7a83c148 (patch) | |
| tree | 160b296d759ea125eac0208bbf6a6848aa011c4b /arch | |
| parent | e744c3588e7a09c8ec80e28efffd6f08c1c2b2b8 (diff) | |
arm: tegra: harmony: add suspend support for harmony
enable suspend for harmony and set suspend mode to lp0
bug 911107
Change-Id: I59d412ab991fa86fedac12f0981bf93e26f8810a
Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Reviewed-on: http://git-master/r/70270
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony-power.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony.h | 1 |
3 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index 9ebc04baee2f..05e53afa3537 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -28,6 +28,7 @@ #include <mach/irqs.h> #include "board-harmony.h" +#include "pm.h" #define PMC_CTRL 0x0 #define PMC_CTRL_INTR_LOW (1 << 17) @@ -274,6 +275,39 @@ static struct i2c_board_info __initdata harmony_regulators[] = { }, }; +static void harmony_board_suspend(int lp_state, enum suspend_stage stg) +{ + if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_SUSPEND_BEFORE_CPU)) + tegra_console_uart_suspend(); +} + +static void harmony_board_resume(int lp_state, enum resume_stage stg) +{ + if ((lp_state == TEGRA_SUSPEND_LP1) && (stg == TEGRA_RESUME_AFTER_CPU)) + tegra_console_uart_resume(); +} + +static struct tegra_suspend_platform_data harmony_suspend_data = { + /* + * Check power on time and crystal oscillator start time + * for appropriate settings. + */ + .cpu_timer = 5000, + .cpu_off_timer = 5000, + .suspend_mode = TEGRA_SUSPEND_LP0, + .core_timer = 0x7e7e, + .core_off_timer = 0x7f, + .corereq_high = false, + .sysclkreq_high = true, + .board_suspend = harmony_board_suspend, + .board_resume = harmony_board_resume, +}; + +int __init harmony_suspend_init(void) +{ + tegra_init_suspend(&harmony_suspend_data); +} + int __init harmony_regulator_init(void) { void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE); diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c index 724ab40adbeb..904aa2bb5284 100644 --- a/arch/arm/mach-tegra/board-harmony.c +++ b/arch/arm/mach-tegra/board-harmony.c @@ -469,6 +469,7 @@ static void __init tegra_harmony_init(void) platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices)); harmony_i2c_init(); harmony_regulator_init(); + harmony_suspend_init(); harmony_panel_init(); #ifdef CONFIG_KEYBOARD_TEGRA harmony_kbc_init(); diff --git a/arch/arm/mach-tegra/board-harmony.h b/arch/arm/mach-tegra/board-harmony.h index 1dc95da43a04..edd161669904 100644 --- a/arch/arm/mach-tegra/board-harmony.h +++ b/arch/arm/mach-tegra/board-harmony.h @@ -45,6 +45,7 @@ void harmony_pinmux_init(void); int harmony_regulator_init(void); +int harmony_suspend_init(void); int harmony_panel_init(void); int harmony_kbc_init(void); int harmony_pcie_init(void); |