summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/drivers/power/power_i2c.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/u-boot/drivers/power/power_i2c.c')
-rw-r--r--qemu/roms/u-boot/drivers/power/power_i2c.c109
1 files changed, 0 insertions, 109 deletions
diff --git a/qemu/roms/u-boot/drivers/power/power_i2c.c b/qemu/roms/u-boot/drivers/power/power_i2c.c
deleted file mode 100644
index ac768708e..000000000
--- a/qemu/roms/u-boot/drivers/power/power_i2c.c
+++ /dev/null
@@ -1,109 +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.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#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_num(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;
-}