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u-boot/drivers/gpio
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Simon Glass eca4866586 dm: gpio: Check a GPIO is valid before using it 
Since a gpio_desc is allowed to be invalid we should return an error
indicating that the operation cannot be completed. This can happen if the
GPIO is optional - e.g. some devices may have a reset line and some may
not.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-08-05 21:06:14 -06:00
..
adi_gpio2.c blackfin: Move machine specific gpio_port_t structure back to blackfin arch folder. 2013-11-04 16:50:46 +08:00
altera_pio.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
at91_gpio.c dm: core: Add dev_get_uclass_priv() to access uclass private data 2015-04-16 19:27:42 -06:00
axp_gpio.c sunxi: axp: Remove non driver-model support from the axp gpio code 2015-05-04 16:51:54 +02:00
bcm2835_gpio.c dm: core: Add dev_get_uclass_priv() to access uclass private data 2015-04-16 19:27:42 -06:00
da8xx_gpio.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
db8500_gpio.c snowball: Add support for ux500 based snowball board 2012-09-01 14:58:19 +02:00
gpio-uclass.c dm: gpio: Check a GPIO is valid before using it 2015-08-05 21:06:14 -06:00
intel_ich6_gpio.c x86: Add some missing global_data declarations in files that use gd 2015-08-05 08:42:41 -06:00
Kconfig dm: gpio: vf610: Add GPIO driver support 2015-06-08 08:41:54 +02:00
kona_gpio.c gpio: kona: Add Kona gpio driver 2014-02-22 19:30:27 +01:00
kw_gpio.c gpio: make local functions static 2014-10-25 07:02:01 -04:00
lpc32xx_gpio.c gpio: lpc32xx: Use priv_data instead of platdata 2015-07-07 08:03:56 +02:00
Makefile dm: gpio: Allow GPIO uclass to be used in SPL 2015-07-21 17:39:23 -06:00
mpc83xx_gpio.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
mvgpio.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
mvgpio.h mvgpio: remove CONFIG_SHEEVA_88SV331xV5 dependency 2015-04-23 13:59:18 -04:00
mvmfp.c gpio: mvmfp: support newer MFP bit definitions 2015-04-23 13:59:18 -04:00
mxc_gpio.c mxc: gpio add i.MX6UL support 2015-08-02 11:05:08 +02:00
mxs_gpio.c mxs_gpio: fix the handling in gpio_direction_output() 2013-11-13 10:09:09 +01:00
omap_gpio.c dm: core: Add dev_get_uclass_priv() to access uclass private data 2015-04-16 19:27:42 -06:00
pca953x.c gpio: pca953x: Use ARRAY_SIZE instead of reinventing it 2013-08-16 13:45:15 -04:00
pca9698.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
s3c2440_gpio.c gpio: s3c: Fix the GPIO driver 2015-05-06 17:00:58 +09:00
s5p_gpio.c dm: core: Add dev_get_uclass_priv() to access uclass private data 2015-04-16 19:27:42 -06:00
sandbox.c dm: core: Add dev_get_uclass_priv() to access uclass private data 2015-04-16 19:27:42 -06:00
sh_pfc.c sh: Add support pin function control using GPIO 2012-08-08 10:24:41 +09:00
spear_gpio.c gpio: spear_gpio: Fix gpio_set_value() implementation 2014-07-04 21:37:29 +02:00
stm32_gpio.c gpio: stm32: add stm32f1 support 2015-05-28 08:18:24 -04:00
sunxi_gpio.c sunxi: gpio: Add "allwinner,sun8i-a33-pinctrl" 2015-06-04 14:11:55 +02:00
sx151x.c Add support for SX151x SPI GPIO Expanders 2013-11-08 09:39:13 -05:00
tca642x.c gpio: tca642x: Add the tca642x gpio expander driver 2013-07-30 09:21:42 -04:00
tegra_gpio.c dm: core: Add dev_get_uclass_priv() to access uclass private data 2015-04-16 19:27:42 -06:00
vybrid_gpio.c dm: gpio: vf610: Add GPIO driver support 2015-06-08 08:41:54 +02:00
xilinx_gpio.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
zynq_gpio.c gpio: add Xilinx Zynq PS GPIO driver 2015-04-29 10:41:24 +02:00