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authorƁukasz Majewski <l.majewski@samsung.com>2012-11-13 03:21:59 +0000
committerAnatolij Gustschin <agust@denx.de>2012-11-14 11:21:09 +0100
commite0a0cbf2472feb840a8b820838272c1204d51584 (patch)
tree9fbd012df110f809c7b006bcbe19e7dec3e5450b /drivers/misc
parent9a1c4b22862119f39b1452208e12abe5947cec30 (diff)
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pmic: Move pmic related code to ./drivers/power directory
The PMIC framework has been moved to its more natural place ./drivers/power from ./drivers/misc directory. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/Makefile7
-rw-r--r--drivers/misc/pmic_core.c207
-rw-r--r--drivers/misc/pmic_dialog.c43
-rw-r--r--drivers/misc/pmic_fsl.c69
-rw-r--r--drivers/misc/pmic_i2c.c125
-rw-r--r--drivers/misc/pmic_max8997.c50
-rw-r--r--drivers/misc/pmic_max8998.c49
-rw-r--r--drivers/misc/pmic_spi.c108
8 files changed, 0 insertions, 658 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 271463c..cdec88b 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -34,13 +34,6 @@ COBJS-$(CONFIG_NS87308) += ns87308.o
COBJS-$(CONFIG_PDSP188x) += pdsp188x.o
COBJS-$(CONFIG_STATUS_LED) += status_led.o
COBJS-$(CONFIG_TWL4030_LED) += twl4030_led.o
-COBJS-$(CONFIG_PMIC) += pmic_core.o
-COBJS-$(CONFIG_DIALOG_PMIC) += pmic_dialog.o
-COBJS-$(CONFIG_PMIC_FSL) += pmic_fsl.o
-COBJS-$(CONFIG_PMIC_I2C) += pmic_i2c.o
-COBJS-$(CONFIG_PMIC_SPI) += pmic_spi.o
-COBJS-$(CONFIG_PMIC_MAX8998) += pmic_max8998.o
-COBJS-$(CONFIG_PMIC_MAX8997) += pmic_max8997.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/drivers/misc/pmic_core.c b/drivers/misc/pmic_core.c
deleted file mode 100644
index 4066b15..0000000
--- a/drivers/misc/pmic_core.c
+++ /dev/null
@@ -1,207 +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 <malloc.h>
-#include <linux/types.h>
-#include <linux/list.h>
-#include <power/pmic.h>
-
-static LIST_HEAD(pmic_list);
-
-int check_reg(struct pmic *p, u32 reg)
-{
- if (reg >= p->number_of_regs) {
- printf("<reg num> = %d is invalid. Should be less than %d\n",
- reg, p->number_of_regs);
- return -1;
- }
-
- return 0;
-}
-
-int pmic_set_output(struct pmic *p, u32 reg, int out, int on)
-{
- u32 val;
-
- if (pmic_reg_read(p, reg, &val))
- return -1;
-
- if (on)
- val |= out;
- else
- val &= ~out;
-
- if (pmic_reg_write(p, reg, val))
- return -1;
-
- return 0;
-}
-
-static void pmic_show_info(struct pmic *p)
-{
- printf("PMIC: %s\n", p->name);
-}
-
-static int pmic_dump(struct pmic *p)
-{
- int i, ret;
- u32 val;
-
- if (!p) {
- puts("Wrong PMIC name!\n");
- return -1;
- }
-
- pmic_show_info(p);
- for (i = 0; i < p->number_of_regs; i++) {
- ret = pmic_reg_read(p, i, &val);
- if (ret)
- puts("PMIC: Registers dump failed\n");
-
- if (!(i % 8))
- printf("\n0x%02x: ", i);
-
- printf("%08x ", val);
- }
- puts("\n");
- return 0;
-}
-
-struct pmic *pmic_alloc(void)
-{
- struct pmic *p;
-
- p = calloc(sizeof(*p), 1);
- if (!p) {
- printf("%s: No available memory for allocation!\n", __func__);
- return NULL;
- }
-
- list_add_tail(&p->list, &pmic_list);
-
- debug("%s: new pmic struct: 0x%p\n", __func__, p);
-
- return p;
-}
-
-struct pmic *pmic_get(const char *s)
-{
- struct pmic *p;
-
- list_for_each_entry(p, &pmic_list, list) {
- if (strcmp(p->name, s) == 0) {
- debug("%s: pmic %s -> 0x%p\n", __func__, p->name, p);
- return p;
- }
- }
-
- return NULL;
-}
-
-static void pmic_list_names(void)
-{
- struct pmic *p;
-
- puts("PMIC devices:\n");
- list_for_each_entry(p, &pmic_list, list) {
- printf("name: %s\n", p->name);
- }
-}
-
-int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- u32 ret, reg, val;
- struct pmic *p;
- char *cmd;
-
- /* at least two arguments please */
- if (argc < 2)
- return CMD_RET_USAGE;
-
- cmd = argv[1];
-
- if (strcmp(cmd, "list") == 0) {
- pmic_list_names();
- return CMD_RET_SUCCESS;
- }
-
- if (strcmp(cmd, "dump") == 0) {
- p = pmic_get(argv[2]);
- if (!p)
- return CMD_RET_FAILURE;
- if (pmic_dump(p))
- return CMD_RET_FAILURE;
- return CMD_RET_SUCCESS;
- }
-
- if (strcmp(cmd, "read") == 0) {
- if (argc < 4)
- return CMD_RET_USAGE;
-
- reg = simple_strtoul(argv[3], NULL, 16);
- p = pmic_get(argv[2]);
- if (!p)
- return CMD_RET_FAILURE;
-
- ret = pmic_reg_read(p, reg, &val);
-
- if (ret)
- puts("PMIC: Register read failed\n");
-
- printf("\n0x%02x: 0x%08x\n", reg, val);
-
- return CMD_RET_SUCCESS;
- }
-
- if (strcmp(cmd, "write") == 0) {
- if (argc < 5)
- return CMD_RET_USAGE;
-
- reg = simple_strtoul(argv[3], NULL, 16);
- val = simple_strtoul(argv[4], NULL, 16);
- p = pmic_get(argv[2]);
- if (!p)
- return CMD_RET_FAILURE;
- pmic_reg_write(p, reg, val);
-
- return CMD_RET_SUCCESS;
- }
-
- /* No subcommand found */
- return CMD_RET_SUCCESS;
-}
-
-U_BOOT_CMD(
- pmic, CONFIG_SYS_MAXARGS, 1, do_pmic,
- "PMIC",
- "list - list available PMICs\n"
- "pmic dump name - dump named PMIC registers\n"
- "pmic name read <reg> - read register\n"
- "pmic name write <reg> <value> - write register"
-);
diff --git a/drivers/misc/pmic_dialog.c b/drivers/misc/pmic_dialog.c
deleted file mode 100644
index d7ebd15..0000000
--- a/drivers/misc/pmic_dialog.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics
- * Lukasz Majewski <l.majewski@samsung.com>
- *
- * 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.
- */
-
-#include <common.h>
-#include <power/pmic.h>
-#include <dialog_pmic.h>
-#include <errno.h>
-
-int pmic_dialog_init(unsigned char bus)
-{
- static const char name[] = "DIALOG_PMIC";
- struct pmic *p = pmic_alloc();
-
- if (!p) {
- printf("%s: POWER allocation error!\n", __func__);
- return -ENOMEM;
- }
-
- p->name = name;
- p->number_of_regs = DIALOG_NUM_OF_REGS;
-
- p->interface = PMIC_I2C;
- p->hw.i2c.addr = CONFIG_SYS_DIALOG_PMIC_I2C_ADDR;
- p->hw.i2c.tx_num = 1;
- p->bus = bus;
-
- return 0;
-}
diff --git a/drivers/misc/pmic_fsl.c b/drivers/misc/pmic_fsl.c
deleted file mode 100644
index 0275fd9..0000000
--- a/drivers/misc/pmic_fsl.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics
- * Lukasz Majewski <l.majewski@samsung.com>
- *
- * 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 <spi.h>
-#include <power/pmic.h>
-#include <fsl_pmic.h>
-#include <errno.h>
-
-#if defined(CONFIG_PMIC_SPI)
-static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write)
-{
- return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF);
-}
-#endif
-
-int pmic_init(unsigned char bus)
-{
- static const char name[] = "FSL_PMIC";
- struct pmic *p = pmic_alloc();
-
- if (!p) {
- printf("%s: POWER allocation error!\n", __func__);
- return -ENOMEM;
- }
-
- p->name = name;
- p->number_of_regs = PMIC_NUM_OF_REGS;
-
-#if defined(CONFIG_PMIC_SPI)
- p->interface = PMIC_SPI;
- p->bus = CONFIG_FSL_PMIC_BUS;
- p->hw.spi.cs = CONFIG_FSL_PMIC_CS;
- p->hw.spi.clk = CONFIG_FSL_PMIC_CLK;
- p->hw.spi.mode = CONFIG_FSL_PMIC_MODE;
- p->hw.spi.bitlen = CONFIG_FSL_PMIC_BITLEN;
- p->hw.spi.flags = SPI_XFER_BEGIN | SPI_XFER_END;
- p->hw.spi.prepare_tx = pmic_spi_prepare_tx;
-#elif defined(CONFIG_PMIC_I2C)
- p->interface = PMIC_I2C;
- p->hw.i2c.addr = CONFIG_SYS_FSL_PMIC_I2C_ADDR;
- p->hw.i2c.tx_num = 3;
- p->bus = bus;
-#else
-#error "You must select CONFIG_PMIC_SPI or CONFIG_PMIC_I2C"
-#endif
-
- return 0;
-}
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;
-}
diff --git a/drivers/misc/pmic_max8997.c b/drivers/misc/pmic_max8997.c
deleted file mode 100644
index 7fe1b53..0000000
--- a/drivers/misc/pmic_max8997.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2012 Samsung Electronics
- * Lukasz Majewski <l.majewski@samsung.com>
- *
- * 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 <power/pmic.h>
-#include <power/max8997_pmic.h>
-#include <i2c.h>
-#include <errno.h>
-
-int pmic_init(unsigned char bus)
-{
- static const char name[] = "MAX8997_PMIC";
- struct pmic *p = pmic_alloc();
-
- if (!p) {
- printf("%s: POWER allocation error!\n", __func__);
- return -ENOMEM;
- }
-
- puts("Board PMIC init\n");
-
- p->name = name;
- p->interface = PMIC_I2C;
- p->number_of_regs = PMIC_NUM_OF_REGS;
- p->hw.i2c.addr = MAX8997_I2C_ADDR;
- p->hw.i2c.tx_num = 1;
- p->bus = bus;
-
- return 0;
-}
diff --git a/drivers/misc/pmic_max8998.c b/drivers/misc/pmic_max8998.c
deleted file mode 100644
index 452e1c8..0000000
--- a/drivers/misc/pmic_max8998.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2011 Samsung Electronics
- * Lukasz Majewski <l.majewski@samsung.com>
- *
- * 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 <power/pmic.h>
-#include <power/max8998_pmic.h>
-#include <errno.h>
-
-int pmic_init(unsigned char bus)
-{
- static const char name[] = "MAX8998_PMIC";
- struct pmic *p = pmic_alloc();
-
- if (!p) {
- printf("%s: POWER allocation error!\n", __func__);
- return -ENOMEM;
- }
-
- puts("Board PMIC init\n");
-
- p->name = name;
- p->interface = PMIC_I2C;
- p->number_of_regs = PMIC_NUM_OF_REGS;
- p->hw.i2c.addr = MAX8998_I2C_ADDR;
- p->hw.i2c.tx_num = 1;
- p->bus = bus;
-
- return 0;
-}
diff --git a/drivers/misc/pmic_spi.c b/drivers/misc/pmic_spi.c
deleted file mode 100644
index 27488ea..0000000
--- a/drivers/misc/pmic_spi.c
+++ /dev/null
@@ -1,108 +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 <spi.h>
-
-static struct spi_slave *slave;
-
-void pmic_spi_free(struct spi_slave *slave)
-{
- if (slave)
- spi_free_slave(slave);
-}
-
-struct spi_slave *pmic_spi_probe(struct pmic *p)
-{
- return spi_setup_slave(p->bus,
- p->hw.spi.cs,
- p->hw.spi.clk,
- p->hw.spi.mode);
-}
-
-static u32 pmic_reg(struct pmic *p, u32 reg, u32 *val, u32 write)
-{
- u32 pmic_tx, pmic_rx;
- u32 tmp;
-
- if (!slave) {
- slave = pmic_spi_probe(p);
-
- if (!slave)
- return -1;
- }
-
- if (check_reg(p, reg))
- return -1;
-
- if (spi_claim_bus(slave))
- return -1;
-
- pmic_tx = p->hw.spi.prepare_tx(reg, val, write);
-
- tmp = cpu_to_be32(pmic_tx);
-
- if (spi_xfer(slave, pmic_spi_bitlen, &tmp, &pmic_rx,
- pmic_spi_flags)) {
- spi_release_bus(slave);
- return -1;
- }
-
- if (write) {
- pmic_tx = p->hw.spi.prepare_tx(reg, val, 0);
- tmp = cpu_to_be32(pmic_tx);
- if (spi_xfer(slave, pmic_spi_bitlen, &tmp, &pmic_rx,
- pmic_spi_flags)) {
- spi_release_bus(slave);
- return -1;
- }
- }
-
- spi_release_bus(slave);
- *val = cpu_to_be32(pmic_rx);
-
- return 0;
-}
-
-int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
-{
- if (pmic_reg(p, reg, &val, 1))
- return -1;
-
- return 0;
-}
-
-int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
-{
- if (pmic_reg(p, reg, val, 0))
- return -1;
-
- return 0;
-}