diff options
| -rw-r--r-- | arch/arm/mach-tegra/board-dt-tegra20.c | 20 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony-pcie.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-harmony-power.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board.h | 7 |
4 files changed, 61 insertions, 6 deletions
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c index 9537f20384fc..777138611c77 100644 --- a/arch/arm/mach-tegra/board-dt-tegra20.c +++ b/arch/arm/mach-tegra/board-dt-tegra20.c @@ -109,6 +109,23 @@ static void __init trimslice_init(void) } #endif +#ifdef CONFIG_MACH_HARMONY +static void __init harmony_init(void) +{ + int ret; + + ret = harmony_regulator_init(); + if (ret) { + pr_err("harmony_regulator_init() failed: %d\n", ret); + return; + } + + ret = harmony_pcie_init(); + if (ret) + pr_err("harmony_pcie_init() failed: %d\n", ret); +} +#endif + static struct { char *machine; void (*init)(void); @@ -116,6 +133,9 @@ static struct { #ifdef CONFIG_MACH_TRIMSLICE { "compulab,trimslice", trimslice_init }, #endif +#ifdef CONFIG_MACH_HARMONY + { "nvidia,harmony", harmony_init }, +#endif }; static void __init tegra_dt_init_late(void) diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c index 33c4fedab840..e8c3fda9bec2 100644 --- a/arch/arm/mach-tegra/board-harmony-pcie.c +++ b/arch/arm/mach-tegra/board-harmony-pcie.c @@ -27,14 +27,11 @@ #ifdef CONFIG_TEGRA_PCI -static int __init harmony_pcie_init(void) +int __init harmony_pcie_init(void) { struct regulator *regulator = NULL; int err; - if (!machine_is_harmony()) - return 0; - err = gpio_request(TEGRA_GPIO_EN_VDD_1V05_GPIO, "EN_VDD_1V05"); if (err) return err; @@ -62,7 +59,15 @@ err_reg: return err; } +static int __init harmony_pcie_initcall(void) +{ + if (!machine_is_harmony()) + return 0; + + return harmony_pcie_init(); +} + /* PCI should be initialized after I2C, mfd and regulators */ -subsys_initcall_sync(harmony_pcie_init); +subsys_initcall_sync(harmony_pcie_initcall); #endif diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c index 82f32300796c..44dcb2e869b5 100644 --- a/arch/arm/mach-tegra/board-harmony-power.c +++ b/arch/arm/mach-tegra/board-harmony-power.c @@ -20,6 +20,10 @@ #include <linux/gpio.h> #include <linux/regulator/machine.h> #include <linux/mfd/tps6586x.h> +#include <linux/of.h> +#include <linux/of_i2c.h> + +#include <asm/mach-types.h> #include <mach/irqs.h> @@ -110,7 +114,26 @@ static struct i2c_board_info __initdata harmony_regulators[] = { int __init harmony_regulator_init(void) { - i2c_register_board_info(3, harmony_regulators, 1); + if (machine_is_harmony()) { + i2c_register_board_info(3, harmony_regulators, 1); + } else { /* Harmony, booted using device tree */ + struct device_node *np; + struct i2c_adapter *adapter; + + np = of_find_node_by_path("/i2c@7000d000"); + if (np == NULL) { + pr_err("Could not find device_node for DVC I2C\n"); + return -ENODEV; + } + + adapter = of_find_i2c_adapter_by_node(np); + if (!adapter) { + pr_err("Could not find i2c_adapter for DVC I2C\n"); + return -ENODEV; + } + + i2c_new_device(adapter, harmony_regulators); + } return 0; } diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h index 65014968fc6c..097e0e16eacd 100644 --- a/arch/arm/mach-tegra/board.h +++ b/arch/arm/mach-tegra/board.h @@ -46,5 +46,12 @@ int __init tegra_powergate_debugfs_init(void); static inline int tegra_powergate_debugfs_init(void) { return 0; } #endif +int __init harmony_regulator_init(void); +#ifdef CONFIG_TEGRA_PCI +int __init harmony_pcie_init(void); +#else +static inline int harmony_pcie_init(void) { return 0; } +#endif + extern struct sys_timer tegra_timer; #endif |