brain-hackers_pepepper-mirror/u-boot-brain
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u-boot-brain/drivers/gpio
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Simon Glass 7d252d0279 x86: Probe device if needed in intel_gpio_xlate() 
The Intel GPIO binding allows GPIOs to be globally numbered, so that it
does not matter which GPIO bank is specified in the device tree. This is
convenient and avoid confusion since the banks do not have the same number
of GPIOs and the numbering is not sequential.

The GPIO uclass ensures that the device mentioned in the devicetree
binding is probed. It is fine for the driver to update gpio_desc to point
to a different driver, but this may not have been probed. If it has not
been, then it cannot be claimed since there is no uclass data.

We could handle this in the GPIO uclass but so far it is an unusual
situation so it is probably not worth the extra code. Handle this case in
the GPIO driver by probing the selected device if necessary.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-27 13:59:36 +13:00
..
74x164_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
adi_gpio2.c common: Drop linux/bug.h from common header 2020-05-18 21:19:23 -04:00
altera_pio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
at91_gpio.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
atmel_pio4.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
axp_gpio.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bcm2835_gpio.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
bcm6345_gpio.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
cortina_gpio.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
da8xx_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
da8xx_gpio.h dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
db8500_gpio.c GPIO: Correct doc typo "confguration" -> "configuration" 2017-02-08 16:24:29 -05:00
dwapb_gpio.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
gpio-rcar.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
gpio-rza1.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
gpio-uclass.c gpio: Add a way to read 3-way strapping pins 2021-03-03 15:40:47 -05:00
gpio-uniphier.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
hi6220_gpio.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
hsdk-creg-gpio.c dm: treewide: Rename 'platdata' variables to just 'plat' 2020-12-13 16:51:08 -07:00
imx_rgpio2p.c dm: Rename U_BOOT_DEVICE() to U_BOOT_DRVINFO() 2021-01-05 12:26:35 -07:00
intel_broadwell_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
intel_gpio.c x86: Probe device if needed in intel_gpio_xlate() 2021-03-27 13:59:36 +13:00
intel_ich6_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
iproc_gpio.c gpio: Update for new sequence numbers 2020-12-18 20:32:21 -07:00
Kconfig gpio: Add support for DM GPIO for Kirkwood 2021-01-27 07:25:39 +01:00
kona_gpio.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
kw_gpio.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
lpc32xx_gpio.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
Makefile gpio: add GPIO controller driver for MediaTek MT7620 SoC 2021-01-24 21:39:26 +01:00
mpc8xxx_gpio.c gpio: mpc8xxx: Support controller register physical address beyond 32-bit 2021-03-05 10:25:43 +05:30
mpc83xx_gpio.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
mpc83xx_spisel_boot.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
mscc_sgpio.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
msm_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
mt7620_gpio.c gpio: add GPIO controller driver for MediaTek MT7620 SoC 2021-01-24 21:39:26 +01:00
mt7621_gpio.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
mvebu_gpio.c gpio: Update for new sequence numbers 2020-12-18 20:32:21 -07:00
mvgpio.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
mvgpio.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mvmfp.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mxc_gpio.c dm: Rename U_BOOT_DRIVER_ALIAS to DM_DRIVER_ALIAS 2021-01-05 12:26:35 -07:00
mxs_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
nx_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
octeon_gpio.c dm: core: Access device ofnode through functions 2021-01-05 12:24:41 -07:00
omap_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
pca953x_gpio.c dm: treewide: Rename dev_get_platdata() to dev_get_plat() 2020-12-13 16:51:09 -07:00
pca953x.c command: Remove the cmd_tbl_t typedef 2020-05-18 18:36:55 -04:00
pca9698.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
pcf8575_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
pic32_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
pm8916_gpio.c dm: treewide: Rename ofdata_to_platdata() to of_to_plat() 2020-12-13 16:51:09 -07:00
rk_gpio.c dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
s5p_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sandbox.c gpio: Add a way to read 3-way strapping pins 2021-03-03 15:40:47 -05:00
sh_pfc.c common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
sifive-gpio.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
spear_gpio.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
stm32_gpio.c dm: gpio: Add a way to update flags 2021-03-03 15:40:10 -05:00
sunxi_gpio.c sunxi: gpio: introduce compatible for H616 2021-01-25 21:52:01 +00:00
tca642x.c gpio: tca642x: fix input subcommand for gpio banks > 0 2021-01-12 10:21:41 +05:30
tegra_gpio.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
tegra186_gpio_priv.h common: Drop linux/bitops.h from common header 2020-05-18 21:19:23 -04:00
tegra186_gpio.c dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
vybrid_gpio.c common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
xilinx_gpio.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
zynq_gpio.c dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00