From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/arm/mach-nomadik/i2c-8815nhk.c | 65 +++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 arch/arm/mach-nomadik/i2c-8815nhk.c (limited to 'arch/arm/mach-nomadik/i2c-8815nhk.c') diff --git a/arch/arm/mach-nomadik/i2c-8815nhk.c b/arch/arm/mach-nomadik/i2c-8815nhk.c new file mode 100644 index 00000000..0fc2f6f1 --- /dev/null +++ b/arch/arm/mach-nomadik/i2c-8815nhk.c @@ -0,0 +1,65 @@ +#include +#include +#include +#include +#include +#include +#include + +/* + * There are two busses in the 8815NHK. + * They could, in theory, be driven by the hardware component, but we + * use bit-bang through GPIO by now, to keep things simple + */ + +static struct i2c_gpio_platform_data nhk8815_i2c_data0 = { + /* keep defaults for timeouts; pins are push-pull bidirectional */ + .scl_pin = 62, + .sda_pin = 63, +}; + +static struct i2c_gpio_platform_data nhk8815_i2c_data1 = { + /* keep defaults for timeouts; pins are push-pull bidirectional */ + .scl_pin = 53, + .sda_pin = 54, +}; + +/* first bus: GPIO XX and YY */ +static struct platform_device nhk8815_i2c_dev0 = { + .name = "i2c-gpio", + .id = 0, + .dev = { + .platform_data = &nhk8815_i2c_data0, + }, +}; +/* second bus: GPIO XX and YY */ +static struct platform_device nhk8815_i2c_dev1 = { + .name = "i2c-gpio", + .id = 1, + .dev = { + .platform_data = &nhk8815_i2c_data1, + }, +}; + +static int __init nhk8815_i2c_init(void) +{ + nmk_gpio_set_mode(nhk8815_i2c_data0.scl_pin, NMK_GPIO_ALT_GPIO); + nmk_gpio_set_mode(nhk8815_i2c_data0.sda_pin, NMK_GPIO_ALT_GPIO); + platform_device_register(&nhk8815_i2c_dev0); + + nmk_gpio_set_mode(nhk8815_i2c_data1.scl_pin, NMK_GPIO_ALT_GPIO); + nmk_gpio_set_mode(nhk8815_i2c_data1.sda_pin, NMK_GPIO_ALT_GPIO); + platform_device_register(&nhk8815_i2c_dev1); + + return 0; +} + +static void __exit nhk8815_i2c_exit(void) +{ + platform_device_unregister(&nhk8815_i2c_dev0); + platform_device_unregister(&nhk8815_i2c_dev1); + return; +} + +module_init(nhk8815_i2c_init); +module_exit(nhk8815_i2c_exit); -- cgit