diff options
| -rw-r--r-- | drivers/misc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/misc/pmic_fsl.c | 57 | ||||
| -rw-r--r-- | include/fsl_pmic.h | 5 |
3 files changed, 59 insertions, 4 deletions
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 6d82c22..f732a95 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -36,6 +36,7 @@ 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-$(CONFIG_PMIC_FSL) += pmic_fsl.o COBJS-$(CONFIG_PMIC_I2C) += pmic_i2c.o COBJS-$(CONFIG_PMIC_SPI) += pmic_spi.o COBJS-$(CONFIG_PMIC_MAX8998) += pmic_max8998.o diff --git a/drivers/misc/pmic_fsl.c b/drivers/misc/pmic_fsl.c new file mode 100644 index 0000000..13dde47 --- /dev/null +++ b/drivers/misc/pmic_fsl.c @@ -0,0 +1,57 @@ +/* + * 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 <pmic.h> +#include <fsl_pmic.h> + +static u32 pmic_spi_prepare_tx(u32 reg, u32 *val, u32 write) +{ + if ((val == NULL) && (write)) + return *val & ~(1 << 31); + else + return (write << 31) | (reg << 25) | (*val & 0x00FFFFFF); +} + +int pmic_init(void) +{ + struct pmic *p = get_pmic(); + static const char name[] = "FSL_PMIC"; + + puts("Board PMIC init\n"); + + p->name = name; + p->interface = PMIC_SPI; + p->number_of_regs = PMIC_NUM_OF_REGS; + 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; + + return 0; +} diff --git a/include/fsl_pmic.h b/include/fsl_pmic.h index e3abde6..742f2e1 100644 --- a/include/fsl_pmic.h +++ b/include/fsl_pmic.h @@ -99,6 +99,7 @@ enum { REG_TEST2, REG_TEST3, REG_TEST4, + PMIC_NUM_OF_REGS, }; /* REG_POWER_MISC */ @@ -121,8 +122,4 @@ enum { /* Interrupt status 1 */ #define RTCRSTI (1 << 7) -void pmic_show_pmic_info(void); -void pmic_reg_write(u32 reg, u32 value); -u32 pmic_reg_read(u32 reg); - #endif |