minix/u-boot
1
0
Fork 0
mirror of https://github.com/Stichting-MINIX-Research-Foundation/u-boot.git synced 2025-09-10 12:39:22 -04:00
Code Issues Packages Projects Releases Wiki Activity

misc: pmic: Freescale PMIC switches to generic PMIC driver

Browse Source 
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2011-10-05 12:38:27 +02:00 committed by Albert ARIBAUD
parent 2a7dd9d71c
commit b2e5add3b2
3 changed files with 59 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/misc/Makefile
View File

@ -36,6 +36,7 @@ COBJS-$(CONFIG_PDSP188x) += pdsp188x.o
COBJS-$(CONFIG_STATUS_LED) += status_led.o COBJS-$(CONFIG_STATUS_LED) += status_led.o
COBJS-$(CONFIG_TWL4030_LED) += twl4030_led.o COBJS-$(CONFIG_TWL4030_LED) += twl4030_led.o
COBJS-$(CONFIG_PMIC) += pmic_core.o COBJS-$(CONFIG_PMIC) += pmic_core.o
COBJS-$(CONFIG_PMIC_FSL) += pmic_fsl.o
COBJS-$(CONFIG_PMIC_I2C) += pmic_i2c.o COBJS-$(CONFIG_PMIC_I2C) += pmic_i2c.o
COBJS-$(CONFIG_PMIC_SPI) += pmic_spi.o COBJS-$(CONFIG_PMIC_SPI) += pmic_spi.o
COBJS-$(CONFIG_PMIC_MAX8998) += pmic_max8998.o COBJS-$(CONFIG_PMIC_MAX8998) += pmic_max8998.o

57
drivers/misc/pmic_fsl.c Normal file
View File

@ -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;
}

5
include/fsl_pmic.h
View File

@ -99,6 +99,7 @@ enum {
REG_TEST2, REG_TEST2,
REG_TEST3, REG_TEST3,
REG_TEST4, REG_TEST4,
PMIC_NUM_OF_REGS,
}; };
/* REG_POWER_MISC */ /* REG_POWER_MISC */
@ -121,8 +122,4 @@ enum {
/* Interrupt status 1 */ /* Interrupt status 1 */
#define RTCRSTI (1 << 7) #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 #endif