diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-08-31 11:28:19 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-09-22 09:39:04 +0100 |
| commit | 5805271d908aa34912265dba41bcb902588e0ff7 (patch) | |
| tree | cced6f63d6a0230178ab8d9a849c32c3205f8aac /drivers/pcmcia | |
| parent | c8f9ce556ba2fca6b9abdfac508afb9905aac6b8 (diff) | |
| download | linux-5805271d908aa34912265dba41bcb902588e0ff7.tar.bz2 | |
pcmcia: soc_common: add support for voltage sense GPIOs
Add support for the voltage sense GPIOs which are wired up on some
platforms.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/soc_common.c | 6 | ||||
| -rw-r--r-- | drivers/pcmcia/soc_common.h | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 3eb30916be26..153f3122283d 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -218,7 +218,7 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) skt->stat[i].desc = gpio_to_desc(skt->stat[i].gpio); } - if (skt->stat[i].desc) { + if (i < SOC_STAT_VS1 && skt->stat[i].desc) { int irq = gpiod_to_irq(skt->stat[i].desc); if (irq > 0) { @@ -295,6 +295,10 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) state.bvd1 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD1].desc); if (skt->stat[SOC_STAT_BVD2].desc) state.bvd2 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD2].desc); + if (skt->stat[SOC_STAT_VS1].desc) + state.vs_3v = !!gpiod_get_value(skt->stat[SOC_STAT_VS1].desc); + if (skt->stat[SOC_STAT_VS2].desc) + state.vs_Xv = !!gpiod_get_value(skt->stat[SOC_STAT_VS2].desc); skt->ops->socket_state(skt, &state); diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h index 7833eae86960..f2078aecb914 100644 --- a/drivers/pcmcia/soc_common.h +++ b/drivers/pcmcia/soc_common.h @@ -62,11 +62,13 @@ struct soc_pcmcia_socket { struct gpio_desc *desc; unsigned int irq; const char *name; - } stat[4]; + } stat[6]; #define SOC_STAT_CD 0 /* Card detect */ #define SOC_STAT_BVD1 1 /* BATDEAD / IOSTSCHG */ #define SOC_STAT_BVD2 2 /* BATWARN / IOSPKR */ #define SOC_STAT_RDY 3 /* Ready / Interrupt */ +#define SOC_STAT_VS1 4 /* Voltage sense 1 */ +#define SOC_STAT_VS2 5 /* Voltage sense 2 */ struct gpio_desc *gpio_reset; struct gpio_desc *gpio_bus_enable; |