diff options
Diffstat (limited to 'arch/arm/mach-pnx4008/i2c.c')
| -rw-r--r-- | arch/arm/mach-pnx4008/i2c.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/arch/arm/mach-pnx4008/i2c.c b/arch/arm/mach-pnx4008/i2c.c deleted file mode 100644 index 6f308827c4f..00000000000 --- a/arch/arm/mach-pnx4008/i2c.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * I2C initialization for PNX4008. - * - * Author: Vitaly Wool <vitalywool@gmail.com> - * - * 2005-2006 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/clk.h> -#include <linux/i2c.h> -#include <linux/i2c-pnx.h> -#include <linux/platform_device.h> -#include <linux/err.h> -#include <asm/arch/platform.h> -#include <asm/arch/i2c.h> - -static int set_clock_run(struct platform_device *pdev) -{ - struct clk *clk; - char name[10]; - int retval = 0; - - snprintf(name, 10, "i2c%d_ck", pdev->id); - clk = clk_get(&pdev->dev, name); - if (!IS_ERR(clk)) { - clk_set_rate(clk, 1); - clk_put(clk); - } else - retval = -ENOENT; - - return retval; -} - -static int set_clock_stop(struct platform_device *pdev) -{ - struct clk *clk; - char name[10]; - int retval = 0; - - snprintf(name, 10, "i2c%d_ck", pdev->id); - clk = clk_get(&pdev->dev, name); - if (!IS_ERR(clk)) { - clk_set_rate(clk, 0); - clk_put(clk); - } else - retval = -ENOENT; - - return retval; -} - -static int i2c_pnx_suspend(struct platform_device *pdev, pm_message_t state) -{ - int retval = 0; -#ifdef CONFIG_PM - retval = set_clock_run(pdev); -#endif - return retval; -} - -static int i2c_pnx_resume(struct platform_device *pdev) -{ - int retval = 0; -#ifdef CONFIG_PM - retval = set_clock_run(pdev); -#endif - return retval; -} - -static u32 calculate_input_freq(struct platform_device *pdev) -{ - return HCLK_MHZ; -} - - -static struct i2c_pnx_algo_data pnx_algo_data0 = { - .base = PNX4008_I2C1_BASE, - .irq = I2C_1_INT, -}; - -static struct i2c_pnx_algo_data pnx_algo_data1 = { - .base = PNX4008_I2C2_BASE, - .irq = I2C_2_INT, -}; - -static struct i2c_pnx_algo_data pnx_algo_data2 = { - .base = (PNX4008_USB_CONFIG_BASE + 0x300), - .irq = USB_I2C_INT, -}; - -static struct i2c_adapter pnx_adapter0 = { - .name = I2C_CHIP_NAME "0", - .algo_data = &pnx_algo_data0, -}; -static struct i2c_adapter pnx_adapter1 = { - .name = I2C_CHIP_NAME "1", - .algo_data = &pnx_algo_data1, -}; - -static struct i2c_adapter pnx_adapter2 = { - .name = "USB-I2C", - .algo_data = &pnx_algo_data2, -}; - -static struct i2c_pnx_data i2c0_data = { - .suspend = i2c_pnx_suspend, - .resume = i2c_pnx_resume, - .calculate_input_freq = calculate_input_freq, - .set_clock_run = set_clock_run, - .set_clock_stop = set_clock_stop, - .adapter = &pnx_adapter0, -}; - -static struct i2c_pnx_data i2c1_data = { - .suspend = i2c_pnx_suspend, - .resume = i2c_pnx_resume, - .calculate_input_freq = calculate_input_freq, - .set_clock_run = set_clock_run, - .set_clock_stop = set_clock_stop, - .adapter = &pnx_adapter1, -}; - -static struct i2c_pnx_data i2c2_data = { - .suspend = i2c_pnx_suspend, - .resume = i2c_pnx_resume, - .calculate_input_freq = calculate_input_freq, - .set_clock_run = set_clock_run, - .set_clock_stop = set_clock_stop, - .adapter = &pnx_adapter2, -}; - -static struct platform_device i2c0_device = { - .name = "pnx-i2c", - .id = 0, - .dev = { - .platform_data = &i2c0_data, - }, -}; - -static struct platform_device i2c1_device = { - .name = "pnx-i2c", - .id = 1, - .dev = { - .platform_data = &i2c1_data, - }, -}; - -static struct platform_device i2c2_device = { - .name = "pnx-i2c", - .id = 2, - .dev = { - .platform_data = &i2c2_data, - }, -}; - -static struct platform_device *devices[] __initdata = { - &i2c0_device, - &i2c1_device, - &i2c2_device, -}; - -void __init pnx4008_register_i2c_devices(void) -{ - platform_add_devices(devices, ARRAY_SIZE(devices)); -} |
