diff options
author | Olof Johansson <olof@lixom.net> | 2011-03-04 15:21:53 -0800 |
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committer | Olof Johansson <olof@lixom.net> | 2011-03-07 15:44:09 -0800 |
commit | f9a795af4d3b886140e790507a9158ebe3bc6a4a (patch) | |
tree | 0beb210aeecc7385197afb550077f0006afac503 /arch/arm | |
parent | ef2b1a0f1eb299c2d00addfee3a2631395d9bdb5 (diff) | |
download | op-kernel-dev-f9a795af4d3b886140e790507a9158ebe3bc6a4a.zip op-kernel-dev-f9a795af4d3b886140e790507a9158ebe3bc6a4a.tar.gz |
ARM: tegra: seaboard: register i2c devices
Register the base i2c devices on seaboard. A few more are pending,
but it's a start.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-tegra/board-seaboard-pinmux.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board-seaboard.c | 62 |
2 files changed, 59 insertions, 4 deletions
diff --git a/arch/arm/mach-tegra/board-seaboard-pinmux.c b/arch/arm/mach-tegra/board-seaboard-pinmux.c index 7e96d49..0bda495 100644 --- a/arch/arm/mach-tegra/board-seaboard-pinmux.c +++ b/arch/arm/mach-tegra/board-seaboard-pinmux.c @@ -166,6 +166,7 @@ static struct tegra_gpio_table gpio_table[] = { { .gpio = TEGRA_GPIO_SD2_POWER, .enable = true }, { .gpio = TEGRA_GPIO_LIDSWITCH, .enable = true }, { .gpio = TEGRA_GPIO_POWERKEY, .enable = true }, + { .gpio = TEGRA_GPIO_ISL29018_IRQ, .enable = true }, }; void __init seaboard_pinmux_init(void) diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c index eb28dbd..a8d7ace 100644 --- a/arch/arm/mach-tegra/board-seaboard.c +++ b/arch/arm/mach-tegra/board-seaboard.c @@ -18,9 +18,12 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> +#include <linux/i2c.h> +#include <linux/i2c-tegra.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> +#include <linux/gpio.h> #include <linux/gpio_keys.h> #include <mach/iomap.h> @@ -63,6 +66,22 @@ static __initdata struct tegra_clk_init_table seaboard_clk_init_table[] = { { NULL, NULL, 0, 0}, }; +static struct tegra_i2c_platform_data seaboard_i2c1_platform_data = { + .bus_clk_rate = 400000. +}; + +static struct tegra_i2c_platform_data seaboard_i2c2_platform_data = { + .bus_clk_rate = 400000, +}; + +static struct tegra_i2c_platform_data seaboard_i2c3_platform_data = { + .bus_clk_rate = 400000, +}; + +static struct tegra_i2c_platform_data seaboard_dvc_platform_data = { + .bus_clk_rate = 400000, +}; + static struct gpio_keys_button seaboard_gpio_keys_buttons[] = { { .code = SW_LID, @@ -124,7 +143,36 @@ static struct platform_device *seaboard_devices[] __initdata = { &seaboard_gpio_keys_device, }; -static void __init __tegra_seaboard_init(void) +static struct i2c_board_info __initdata isl29018_device = { + I2C_BOARD_INFO("isl29018", 0x44), + .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_ISL29018_IRQ), +}; + +static struct i2c_board_info __initdata adt7461_device = { + I2C_BOARD_INFO("adt7461", 0x4c), +}; + +static void __init seaboard_i2c_init(void) +{ + gpio_request(TEGRA_GPIO_ISL29018_IRQ, "isl29018"); + gpio_direction_input(TEGRA_GPIO_ISL29018_IRQ); + + i2c_register_board_info(0, &isl29018_device, 1); + + i2c_register_board_info(4, &adt7461_device, 1); + + tegra_i2c_device1.dev.platform_data = &seaboard_i2c1_platform_data; + tegra_i2c_device2.dev.platform_data = &seaboard_i2c2_platform_data; + tegra_i2c_device3.dev.platform_data = &seaboard_i2c3_platform_data; + tegra_i2c_device4.dev.platform_data = &seaboard_dvc_platform_data; + + platform_device_register(&tegra_i2c_device1); + platform_device_register(&tegra_i2c_device2); + platform_device_register(&tegra_i2c_device3); + platform_device_register(&tegra_i2c_device4); +} + +static void __init seaboard_common_init(void) { seaboard_pinmux_init(); @@ -144,7 +192,9 @@ static void __init tegra_seaboard_init(void) debug_uart_platform_data[0].mapbase = TEGRA_UARTD_BASE; debug_uart_platform_data[0].irq = INT_UARTD; - __tegra_seaboard_init(); + seaboard_common_init(); + + seaboard_i2c_init(); } static void __init tegra_kaen_init(void) @@ -154,7 +204,9 @@ static void __init tegra_kaen_init(void) debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE; debug_uart_platform_data[0].irq = INT_UARTB; - __tegra_seaboard_init(); + seaboard_common_init(); + + seaboard_i2c_init(); } static void __init tegra_wario_init(void) @@ -164,7 +216,9 @@ static void __init tegra_wario_init(void) debug_uart_platform_data[0].mapbase = TEGRA_UARTB_BASE; debug_uart_platform_data[0].irq = INT_UARTB; - __tegra_seaboard_init(); + seaboard_common_init(); + + seaboard_i2c_init(); } |