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	DM_I2C_COMPAT is a compatibility layer that allows using the non-DM I2C API when DM_I2C is used. When DM_I2C_COMPAT is not enabled for compilation, a compilation error will be generated. This patch solves the problem that the i2c-related api of the lx2160a platform does not support dm. Signed-off-by: Chuanhua Han <chuanhua.han@nxp.com> Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright 2018 NXP.
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|  *
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|  * SPDX-License-Identifier:     GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <command.h>
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| #include <i2c.h>
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| #include <asm/io.h>
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| 
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| #include "emc2305.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| void set_fan_speed(u8 data)
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| {
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| 	u8 index;
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| 	u8 Fan[NUM_OF_FANS] = {I2C_EMC2305_FAN1,
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| 			       I2C_EMC2305_FAN2,
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| 			       I2C_EMC2305_FAN3,
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| 			       I2C_EMC2305_FAN4,
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| 			       I2C_EMC2305_FAN5};
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| 
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| 	for (index = 0; index < NUM_OF_FANS; index++) {
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| #ifndef CONFIG_DM_I2C
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| 		if (i2c_write(I2C_EMC2305_ADDR, Fan[index], 1, &data, 1) != 0) {
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| 			printf("Error: failed to change fan speed @%x\n",
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| 			       Fan[index]);
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| 		}
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| #else
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| 		struct udevice *dev;
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| 
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| 		if (i2c_get_chip_for_busnum(0, I2C_EMC2305_ADDR, 1, &dev))
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| 			continue;
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| 
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| 		if (dm_i2c_write(dev, Fan[index], &data, 1) != 0) {
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| 			printf("Error: failed to change fan speed @%x\n",
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| 			       Fan[index]);
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| 		}
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| #endif
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| 	}
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| }
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| 
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| void emc2305_init(void)
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| {
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| 	u8 data;
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| 
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| 	data = I2C_EMC2305_CMD;
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| #ifndef CONFIG_DM_I2C
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| 	if (i2c_write(I2C_EMC2305_ADDR, I2C_EMC2305_CONF, 1, &data, 1) != 0)
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| 		printf("Error: failed to configure EMC2305\n");
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| #else
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| 	struct udevice *dev;
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| 
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| 	if (!i2c_get_chip_for_busnum(0, I2C_EMC2305_ADDR, 1, &dev))
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| 		if (dm_i2c_write(dev, I2C_EMC2305_CONF, &data, 1))
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| 			printf("Error: failed to configure EMC2305\n");
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| #endif
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| 
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| }
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