From: Łukasz Majewski Date: Tue, 13 Nov 2012 03:21:59 +0000 (+0000) Subject: pmic: Move pmic related code to ./drivers/power directory X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e0a0cbf2472feb840a8b820838272c1204d51584;p=project%2Fbcm63xx%2Fu-boot.git 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 Signed-off-by: Kyungmin Park --- diff --git a/Makefile b/Makefile index 5fa2fba5e3..f78656adff 100644 --- a/Makefile +++ b/Makefile @@ -293,7 +293,8 @@ LIBS-y += drivers/net/libnet.o LIBS-y += drivers/net/phy/libphy.o LIBS-y += drivers/pci/libpci.o LIBS-y += drivers/pcmcia/libpcmcia.o -LIBS-y += drivers/power/libpower.o +LIBS-y += drivers/power/libpower.o \ + drivers/power/pmic/libpmic.o LIBS-y += drivers/spi/libspi.o LIBS-y += drivers/dfu/libdfu.o ifeq ($(CPU),mpc83xx) diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 271463cf14..cdec88b8fb 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -34,13 +34,6 @@ COBJS-$(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 4066b15adc..0000000000 --- a/drivers/misc/pmic_core.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski - * - * (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 -#include -#include -#include -#include - -static LIST_HEAD(pmic_list); - -int check_reg(struct pmic *p, u32 reg) -{ - if (reg >= p->number_of_regs) { - printf(" = %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 - read register\n" - "pmic name write - write register" -); diff --git a/drivers/misc/pmic_dialog.c b/drivers/misc/pmic_dialog.c deleted file mode 100644 index d7ebd1583e..0000000000 --- a/drivers/misc/pmic_dialog.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski - * - * 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 -#include -#include -#include - -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 0275fd9891..0000000000 --- a/drivers/misc/pmic_fsl.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski - * - * 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 -#include -#include -#include -#include - -#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 3e5a784cf5..0000000000 --- a/drivers/misc/pmic_i2c.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski - * - * (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 -#include -#include -#include -#include - -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 7fe1b53ff0..0000000000 --- a/drivers/misc/pmic_max8997.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics - * Lukasz Majewski - * - * 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 -#include -#include -#include -#include - -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 452e1c8d86..0000000000 --- a/drivers/misc/pmic_max8998.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski - * - * 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 -#include -#include -#include - -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 27488ea5d9..0000000000 --- a/drivers/misc/pmic_spi.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (C) 2011 Samsung Electronics - * Lukasz Majewski - * - * (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 -#include -#include -#include - -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; -} diff --git a/drivers/power/Makefile b/drivers/power/Makefile index 6bf388cb7d..7fc5554b49 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -23,7 +23,7 @@ include $(TOPDIR)/config.mk -LIB := $(obj)libpower.o +LIB := $(obj)libpower.o COBJS-$(CONFIG_FTPMU010_POWER) += ftpmu010.o COBJS-$(CONFIG_TPS6586X_POWER) += tps6586x.o @@ -31,9 +31,15 @@ COBJS-$(CONFIG_TWL4030_POWER) += twl4030.o COBJS-$(CONFIG_TWL6030_POWER) += twl6030.o COBJS-$(CONFIG_TWL6035_POWER) += twl6035.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 := $(COBJS-y) -SRCS := $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) all: $(LIB) diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile new file mode 100644 index 0000000000..8ccd6e97ca --- /dev/null +++ b/drivers/power/pmic/Makefile @@ -0,0 +1,48 @@ +# +# Copyright (C) 2012 Samsung Electronics +# Lukasz Majewski +# +# 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 $(TOPDIR)/config.mk + +LIB := $(obj)libpmic.o + +COBJS-$(CONFIG_PMIC_MAX8998) += pmic_max8998.o +COBJS-$(CONFIG_PMIC_MAX8997) += pmic_max8997.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################## diff --git a/drivers/power/pmic/pmic_max8997.c b/drivers/power/pmic/pmic_max8997.c new file mode 100644 index 0000000000..7fe1b53ff0 --- /dev/null +++ b/drivers/power/pmic/pmic_max8997.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Lukasz Majewski + * + * 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 +#include +#include +#include +#include + +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/power/pmic/pmic_max8998.c b/drivers/power/pmic/pmic_max8998.c new file mode 100644 index 0000000000..452e1c8d86 --- /dev/null +++ b/drivers/power/pmic/pmic_max8998.c @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Lukasz Majewski + * + * 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 +#include +#include +#include + +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/power/pmic_core.c b/drivers/power/pmic_core.c new file mode 100644 index 0000000000..4066b15adc --- /dev/null +++ b/drivers/power/pmic_core.c @@ -0,0 +1,207 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Lukasz Majewski + * + * (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 +#include +#include +#include +#include + +static LIST_HEAD(pmic_list); + +int check_reg(struct pmic *p, u32 reg) +{ + if (reg >= p->number_of_regs) { + printf(" = %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 - read register\n" + "pmic name write - write register" +); diff --git a/drivers/power/pmic_dialog.c b/drivers/power/pmic_dialog.c new file mode 100644 index 0000000000..d7ebd1583e --- /dev/null +++ b/drivers/power/pmic_dialog.c @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Lukasz Majewski + * + * 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 +#include +#include +#include + +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/power/pmic_fsl.c b/drivers/power/pmic_fsl.c new file mode 100644 index 0000000000..0275fd9891 --- /dev/null +++ b/drivers/power/pmic_fsl.c @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Lukasz Majewski + * + * 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 +#include +#include +#include +#include + +#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/power/pmic_i2c.c b/drivers/power/pmic_i2c.c new file mode 100644 index 0000000000..3e5a784cf5 --- /dev/null +++ b/drivers/power/pmic_i2c.c @@ -0,0 +1,125 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Lukasz Majewski + * + * (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 +#include +#include +#include +#include + +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/power/pmic_spi.c b/drivers/power/pmic_spi.c new file mode 100644 index 0000000000..27488ea5d9 --- /dev/null +++ b/drivers/power/pmic_spi.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Lukasz Majewski + * + * (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 +#include +#include +#include + +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; +}