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	Add support for fan controller emc2305. Signed-off-by: Sriram Dash <sriram.dash@nxp.com> Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com> Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
		
			
				
	
	
		
			42 lines
		
	
	
		
			822 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			822 B
		
	
	
	
		
			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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| 		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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| 	}
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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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| 	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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| }
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