diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2014-02-18 13:16:16 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2014-02-18 13:16:16 +0100 |
| commit | a2b1012bcdd8f1286c93e081c7b591130be6e898 (patch) | |
| tree | 44609070140441c5d91d3ae4b5ea22956b710885 | |
| parent | 6b4224b4ac6ed8008ce5cfd01b134819467f10f9 (diff) | |
pmic: Use Apalis GPIO1 for programming voltage cntrl
| -rw-r--r-- | board/toradex/apalis_imx6/pf0100.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/board/toradex/apalis_imx6/pf0100.c b/board/toradex/apalis_imx6/pf0100.c index 23c17d7f24..5c9d7b0566 100644 --- a/board/toradex/apalis_imx6/pf0100.c +++ b/board/toradex/apalis_imx6/pf0100.c @@ -10,6 +10,11 @@ #include <common.h> #include <i2c.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> #include "pf0100_otp.inc" #include "pf0100.h" @@ -17,6 +22,10 @@ /* 7-bit I2C bus slave address */ #define PFUZE100_I2C_ADDR (0x08) +iomux_v3_cfg_t const pmic_prog_pads[] = { + MX6_PAD_GPIO_2__GPIO_1_2 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + void pmic_init(void) { uchar bus = 1; @@ -64,6 +73,10 @@ void pf0100_prog(void) unsigned char val; unsigned i; + /* set up gpio to manipulate vprog, initially off */ + imx_iomux_v3_setup_multiple_pads(pmic_prog_pads, ARRAY_SIZE(pmic_prog_pads)); + gpio_direction_output(IMX_GPIO_NR(1, 2), 0); + if(!(0 == i2c_set_bus_num(bus) && (0 == i2c_probe(PFUZE100_I2C_ADDR)))) { puts("i2c bus failed\n"); @@ -86,7 +99,7 @@ void pf0100_prog(void) udelay(pmic_otp_prog[i].value * 1000); break; case pmic_vpgm: - /* TODO */ + gpio_set_value(IMX_GPIO_NR(1, 2), pmic_otp_prog[i].value); break; case pmic_pwr: /* TODO */ @@ -106,7 +119,7 @@ static int do_pf0100_prog(cmd_tbl_t *cmdtp, int flag, int argc, } U_BOOT_CMD( - pf0100_otp_prog, 1, 0, do_pf0100_prog, - "Program the OTP fuses on the PMIC PF0100", - "" + pf0100_otp_prog, 1, 0, do_pf0100_prog, + "Program the OTP fuses on the PMIC PF0100", + "" ); |