summaryrefslogtreecommitdiff
path: root/drivers/misc/pmic_i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/pmic_i2c.c')
-rw-r--r--drivers/misc/pmic_i2c.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/misc/pmic_i2c.c b/drivers/misc/pmic_i2c.c
deleted file mode 100644
index 3e5a784..0000000
--- a/drivers/misc/pmic_i2c.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics
- * Lukasz Majewski <l.majewski@samsung.com>
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <power/pmic.h>
-#include <i2c.h>
-#include <compiler.h>
-
-int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
-{
- unsigned char buf[4] = { 0 };
-
- if (check_reg(p, reg))
- return -1;
-
- switch (pmic_i2c_tx_num) {
- case 3:
- if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) {
- buf[2] = (cpu_to_le32(val) >> 16) & 0xff;
- buf[1] = (cpu_to_le32(val) >> 8) & 0xff;
- buf[0] = cpu_to_le32(val) & 0xff;
- } else {
- buf[0] = (cpu_to_le32(val) >> 16) & 0xff;
- buf[1] = (cpu_to_le32(val) >> 8) & 0xff;
- buf[2] = cpu_to_le32(val) & 0xff;
- }
- break;
- case 2:
- if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG) {
- buf[1] = (cpu_to_le32(val) >> 8) & 0xff;
- buf[0] = cpu_to_le32(val) & 0xff;
- } else {
- buf[0] = (cpu_to_le32(val) >> 8) & 0xff;
- buf[1] = cpu_to_le32(val) & 0xff;
- }
- break;
- case 1:
- buf[0] = cpu_to_le32(val) & 0xff;
- break;
- default:
- printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
- return -1;
- }
-
- if (i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num))
- return -1;
-
- return 0;
-}
-
-int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
-{
- unsigned char buf[4] = { 0 };
- u32 ret_val = 0;
-
- if (check_reg(p, reg))
- return -1;
-
- if (i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num))
- return -1;
-
- switch (pmic_i2c_tx_num) {
- case 3:
- if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG)
- ret_val = le32_to_cpu(buf[2] << 16
- | buf[1] << 8 | buf[0]);
- else
- ret_val = le32_to_cpu(buf[0] << 16 |
- buf[1] << 8 | buf[2]);
- break;
- case 2:
- if (p->sensor_byte_order == PMIC_SENSOR_BYTE_ORDER_BIG)
- ret_val = le32_to_cpu(buf[1] << 8 | buf[0]);
- else
- ret_val = le32_to_cpu(buf[0] << 8 | buf[1]);
- break;
- case 1:
- ret_val = le32_to_cpu(buf[0]);
- break;
- default:
- printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
- return -1;
- }
- memcpy(val, &ret_val, sizeof(ret_val));
-
- return 0;
-}
-
-int pmic_probe(struct pmic *p)
-{
- I2C_SET_BUS(p->bus);
- debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name);
- if (i2c_probe(pmic_i2c_addr)) {
- printf("Can't find PMIC:%s\n", p->name);
- return -1;
- }
-
- return 0;
-}