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authorOlof Johansson <olof@lixom.net>2011-03-04 15:21:53 -0800
committerOlof Johansson <olof@lixom.net>2011-03-07 15:44:09 -0800
commitf9a795af4d3b886140e790507a9158ebe3bc6a4a (patch)
tree0beb210aeecc7385197afb550077f0006afac503 /arch/arm/mach-tegra
parentef2b1a0f1eb299c2d00addfee3a2631395d9bdb5 (diff)
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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/mach-tegra')
-rw-r--r--arch/arm/mach-tegra/board-seaboard-pinmux.c1
-rw-r--r--arch/arm/mach-tegra/board-seaboard.c62
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 7e96d4918b9..0bda495e974 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 eb28dbdac00..a8d7ace9f95 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();
}