linux-sg2042/drivers/pinctrl
Chen-Yu Tsai c5fda170e8 pinctrl: sunxi: Add support for fetching pinconf settings from hardware
The sunxi pinctrl driver only caches whatever pinconf setting was last
set on a given pingroup. This is not particularly helpful, nor is it
correct.

Fix this by actually reading the hardware registers and returning
the correct results or error codes. Also filter out unsupported
pinconf settings. Since this driver has a peculiar setup of 1 pin
per group, we can support both pin and pingroup pinconf setting
read back with the same code. The sunxi_pconf_reg helper and code
structure is inspired by pinctrl-msm.

With this done we can also claim to support generic pinconf, by
setting .is_generic = true in pinconf_ops.

Also remove the cached config value. The behavior of this was never
correct, as it only cached 1 setting instead of all of them. Since
we can now read back settings directly from the hardware, it is no
longer required.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-11-15 10:20:27 +01:00
..
aspeed pinctrl: aspeed-g5: Fix pin association of SPI1 function 2016-10-18 14:36:12 +02:00
bcm pinctrl: bcm2835: Return pins to inputs when freed 2016-11-15 00:14:14 +01:00
berlin pinctrl: berlin: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 00:02:13 +02:00
freescale pinctrl: imx: accept gpio request/free from pinctrl 2016-09-12 14:25:52 +02:00
intel pinctrl: cherryview: Drop ctrlX prefix from the pin debugfs output 2016-11-04 16:14:51 +01:00
mediatek pinctrl: mediatek: constify gpio_chip structures 2016-09-13 10:39:33 +02:00
meson pinctrl: meson: Add GXL pinctrl definitions 2016-11-04 23:05:06 +01:00
mvebu pinctrl: mvebu: orion5x: Generalise mv88f5181l support for 88f5181 2016-09-21 11:49:18 +02:00
nomadik pinctrl: nomadik: don't default-flag IRQs as falling 2016-09-19 11:01:33 +02:00
pxa pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 00:03:04 +02:00
qcom pinctrl: qcom: Add msm8994 pinctrl driver 2016-11-04 23:55:36 +01:00
samsung pinctrl: samsung: Add GPF support for Exynos5433 2016-11-15 09:42:44 +01:00
sh-pfc pinctrl: sh-pfc: r8a7796: Fix GPSR definitions for SDHI2/3 2016-11-07 10:39:11 +01:00
sirf pinctrl: sirf: make core support explicitly non-modular 2016-08-27 13:16:12 +02:00
spear pinctrl: spear: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 00:03:18 +02:00
stm32 pinctrl: stm32: add IRQ_DOMAIN_HIERARCHY dependency 2016-09-15 14:13:10 +02:00
sunxi pinctrl: sunxi: Add support for fetching pinconf settings from hardware 2016-11-15 10:20:27 +01:00
tegra This is the bulk of pin control changes for the v4.8 kernel cycle. 2016-07-28 17:06:51 -07:00
uniphier pinctrl: uniphier: add Ethernet pin-mux settings 2016-07-11 09:53:25 +02:00
vt8500 pinctrl: vt8500: make bool drivers explicitly non-modular 2016-11-15 10:04:20 +01:00
Kconfig pinctrl-sx150x: Convert driver to use regmap API 2016-11-08 09:39:06 +01:00
Makefile pinctrl: Add SX150X GPIO Extender Pinctrl Driver 2016-10-24 16:30:40 +02:00
core.c pinctrl: copy per-pin driver private data to struct pin_desc 2016-05-31 10:27:19 +02:00
core.h pinctrl: copy per-pin driver private data to struct pin_desc 2016-05-31 10:27:19 +02:00
devicetree.c pinctrl: Introduce generic #pinctrl-cells and pinctrl_parse_index_with_args 2016-11-04 22:50:55 +01:00
devicetree.h pinctrl: Introduce generic #pinctrl-cells and pinctrl_parse_index_with_args 2016-11-04 22:50:55 +01:00
pinconf-generic.c pinctrl: generic: Parse pinmux init nodes if node status is okay 2016-10-29 10:31:58 +02:00
pinconf.c pinctrl: pinconf: separate config parameters with commas for debugfs 2016-05-31 10:29:06 +02:00
pinconf.h
pinctrl-adi2-bf54x.c
pinctrl-adi2-bf60x.c added tabs instead of spaces 2015-07-16 09:39:01 +02:00
pinctrl-adi2.c pinctrl: adi2: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:20 +02:00
pinctrl-adi2.h
pinctrl-amd.c Linux 4.8-rc6 2016-09-23 14:57:16 +02:00
pinctrl-amd.h Fix inconsistent spinlock of AMD GPIO driver which can be 2015-04-07 11:36:49 +02:00
pinctrl-as3722.c pinctrl: as3722: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:21 +02:00
pinctrl-at91-pio4.c pinctrl: at91-pio4: make it explicitly non-modular 2016-06-13 08:40:14 +02:00
pinctrl-at91.c pinctrl: at91: add support for OUTPUT config 2016-10-31 09:16:46 +01:00
pinctrl-at91.h
pinctrl-coh901.c pinctrl: coh901: fix initconst annotation 2016-02-15 20:40:52 +01:00
pinctrl-coh901.h
pinctrl-digicolor.c Revert "pinctrl: digicolor: add missing platform_set_drvdata() call" 2016-06-23 09:50:05 +02:00
pinctrl-falcon.c staging: drivers: pinctrl: Fixed checkpatch.pl warnings 2015-01-21 11:02:26 +01:00
pinctrl-lantiq.c pinctrl: lantiq: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:23 +02:00
pinctrl-lantiq.h pinctrl/lantiq: introduce new dedicated devicetree bindings 2015-11-30 13:12:07 +01:00
pinctrl-lpc18xx.c pinctrl: lpc18xx: make it explicitly non-modular 2016-06-13 08:28:18 +02:00
pinctrl-max77620.c pinctrl: max77620: Remove unused structure definition 2016-06-15 08:37:40 +02:00
pinctrl-oxnas.c pinctrl: oxnas: Add support for OX820 2016-10-24 16:30:14 +02:00
pinctrl-palmas.c pinctrl: palmas: fix a possible NULL dereference 2016-08-22 14:11:00 +02:00
pinctrl-pic32.c pinctrl: pic32: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:24 +02:00
pinctrl-pic32.h pinctrl: pinctrl-pic32: Add PIC32 pin control driver 2016-02-05 23:54:47 +01:00
pinctrl-pistachio.c pinctrl: pistachio: fix mfio pll_lock pinmux 2016-08-22 15:28:35 +02:00
pinctrl-rockchip.c pinctrl: rockchip: make it explicitly non-modular 2016-08-27 13:14:21 +02:00
pinctrl-single.c pinctrl: single: search for the bits property when parsing bits 2016-11-11 21:29:37 +01:00
pinctrl-st.c pinctrl: st: st_pctl_dt_parse_groups simplify expression 2016-11-08 14:18:03 +01:00
pinctrl-sx150x.c pinctrl: sx150x: fix up headers 2016-11-08 10:26:46 +01:00
pinctrl-tb10x.c pinctrl: tb10x: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:25 +02:00
pinctrl-tz1090-pdc.c pinctrl: tz1090-pdc: Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:26 +02:00
pinctrl-tz1090.c pinctrl: tz1090 Use devm_pinctrl_register() for pinctrl registration 2016-04-21 09:23:26 +02:00
pinctrl-u300.c pinctrl: u300: make u300_pmx_registers static 2016-06-13 09:27:43 +02:00
pinctrl-utils.c pinctrl: Rename pinctrl_utils_dt_free_map to pinctrl_utils_free_map 2016-04-01 15:06:36 +02:00
pinctrl-utils.h pinctrl: Rename pinctrl_utils_dt_free_map to pinctrl_utils_free_map 2016-04-01 15:06:36 +02:00
pinctrl-xway.c This is the bulk of pin control changes for the v4.8 kernel cycle. 2016-07-28 17:06:51 -07:00
pinctrl-zynq.c pinctrl: zynq: Add a 8 bit wide nand option 2016-11-04 15:19:00 +01:00
pinmux.c pinctrl: return -ENOMEM instead of -EINVAL for kasprintf() failure 2016-05-31 10:33:00 +02:00
pinmux.h