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ff10e353a4
linux/drivers/pinctrl
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Ludovic Desroches ff10e353a4 pinctrl: at91-pio4: add support for drive strength 
Add support for the drive strength configuration. Usually, this value is
expressed in mA. Since the numeric value depends on VDDIOP voltage, a
value we can't retrieve at runtime, the controller uses low, medium and
high to define the drive strength.

The PIO controller accepts two values for the low drive configuration: 0
and 1. Most of the time, we don't care about the drive strength. So we
keep the default value which is 0. The drive strength is advertised
through the sysfs only when it has been explicitly set in the device
tree i.e. if its value is different from 0.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-07-16 14:46:11 +02:00
..
actions pinctrl: actions: fix unsigned less than zero comparison 2018-07-02 16:05:01 +02:00
aspeed pinctrl: aspeed: Fix documentation 2018-06-28 16:13:12 +02:00
bcm treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
berlin treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
freescale treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
intel pinctrl: intel: Convert to use SPDX identifier 2018-07-02 15:52:10 +02:00
mediatek pinctrl: mt7622: mark expected switch fall-through 2018-07-16 14:46:11 +02:00
meson pinctrl: meson: add gen_clk pins 2018-07-16 14:46:11 +02:00
mvebu pinctrl: armada-37xx: add suspend/resume support 2018-06-29 14:41:10 +02:00
nomadik pinctrl: nomadik: Drop U8540/9540 support 2018-03-23 03:38:14 +01:00
pxa pinctrl: pxa: pxa2xx: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE 2017-11-30 14:42:04 +01:00
qcom pinctrl: qcom: spmi-gpio: Fix pmic_gpio_config_get() to be compliant 2018-07-09 13:16:01 +02:00
samsung treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
sh-pfc pinctrl: sh-pfc: r8a77990: Add USB3.0 pins, groups and functions 2018-07-16 14:46:38 +02:00
sirf treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
spear treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
sprd treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
stm32 pinctrl/stm32: Add irq_eoi for stm32gpio irqchip 2018-05-24 12:38:22 +01:00
sunxi treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
tegra treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
ti treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
uniphier This is the bulk of pin control changes for v4.18. 2018-06-07 13:56:45 -07:00
vt8500 treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
zte treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
core.c pinctrl: Cut unused sysfs includes 2018-06-18 07:56:05 +02:00
core.h pinctrl/gpio: Unify namespace for cross-calls 2017-09-22 11:02:10 +02:00
devicetree.c pinctrl: devicetree: Fix dt_to_map_one_config handling of hogs 2018-03-02 09:41:21 +01:00
devicetree.h pinctrl: core: Use delayed work for hogs 2017-01-03 09:26:16 +01:00
Kconfig pinctrl: mcp23s08: Kconfig: update to reflect supported features 2018-06-18 07:56:05 +02:00
Makefile pinctrl: actions: Add Actions S900 pinctrl driver 2018-05-02 14:36:08 +02:00
pinconf-generic.c pinctrl: Add skew-delay pin config and bindings 2017-11-08 13:49:45 +01:00
pinconf.c pinctrl: check ops->pin_config_set in pinconf_set_config() 2017-08-14 15:01:59 +02:00
pinconf.h pinctrl: move const qualifier before struct 2017-08-14 15:01:02 +02:00
pinctrl-amd.c pinctrl/amd: poll InterruptEnable bits in enable_irq 2018-03-26 11:09:49 +02:00
pinctrl-amd.h pinctrl/amd: save pin registers over suspend/resume 2017-09-12 15:58:45 +02:00
pinctrl-artpec6.c pinctrl: artpec-6: Add smaller groups for uarts 2018-03-01 17:04:09 +01:00
pinctrl-as3722.c
pinctrl-at91-pio4.c pinctrl: at91-pio4: add support for drive strength 2018-07-16 14:46:11 +02:00
pinctrl-at91.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-at91.h
pinctrl-axp209.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-coh901.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
pinctrl-coh901.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pinctrl-da850-pupd.c Merge branch 'ib-pinctrl-genprops' into devel 2017-01-26 15:27:54 +01:00
pinctrl-digicolor.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-falcon.c pinctrl: update my email address 2016-12-30 09:17:02 +01:00
pinctrl-gemini.c pinctrl: gemini: Mask properly 2018-06-26 09:51:42 +02:00
pinctrl-ingenic.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-lantiq.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-lantiq.h pinctrl: update my email address 2016-12-30 09:17:02 +01:00
pinctrl-lpc18xx.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-max77620.c pinctrl: max77620: Use common error handling code in max77620_pinconf_set() 2017-11-08 13:49:57 +01:00
pinctrl-mcp23s08.c pinctrl: mcp23s08: debugfs: Do not restore the INTF register 2018-06-18 07:56:05 +02:00
pinctrl-ocelot.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-oxnas.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
pinctrl-palmas.c pinctrl: palmas: Delete an error message for a failed memory allocation in palmas_pinctrl_probe() 2018-01-03 08:46:49 +01:00
pinctrl-pic32.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
pinctrl-pic32.h
pinctrl-pistachio.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
pinctrl-rk805.c pinctrl: Add pinctrl driver for the RK805 PMIC 2017-08-21 08:54:46 +01:00
pinctrl-rockchip.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-rza1.c pinctrl: rza1: Add support for RZ/A1L 2017-10-09 09:16:21 +02:00
pinctrl-single.c pinctrl: pinctrl-single: Avoid divisions in context save/restore 2018-06-18 07:56:05 +02:00
pinctrl-st.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-sx150x.c pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping 2018-01-18 11:04:47 +01:00
pinctrl-tb10x.c pinctrl: tb10x: constify pinconf_ops, pinctrl_ops, and pinmux_ops structures 2017-08-22 14:41:40 +02:00
pinctrl-u300.c
pinctrl-utils.c pinctrl: utils: Delete an error message for a failed memory allocation in pinctrl_utils_add_map_configs() 2018-01-03 08:46:53 +01:00
pinctrl-utils.h
pinctrl-xway.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
pinctrl-zynq.c pinctrl: zynq: Fix warnings in the driver 2017-08-14 15:01:01 +02:00
pinmux.c pinctrl: Cut unused sysfs includes 2018-06-18 07:56:05 +02:00
pinmux.h pinctrl: move const qualifier before struct 2017-08-14 15:01:02 +02:00