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5f755e1f1e
linux/drivers/pinctrl
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Light Hsieh 5f755e1f1e pinctrl: mediatek: Supporting driving setting without mapping current to register value 
MediaTek's smartphone project actual usage does need to know current value
(in mA) in procedure of finding the best driving setting.
The steps in the procedure is like as follow:

1. set driving setting field in setting register as 0, measure waveform,
   perform test, and etc.
2. set driving setting field in setting register as 1, measure waveform,
   perform test, and etc.
...
n. set driving setting field in setting register as n-1, measure
   waveform, perform test, and etc.
Check the results of steps 1~n and adopt the setting that get best result.

This procedure does need to know the mapping between current to register
value.
Therefore, setting driving without mapping current is more practical for
MediaTek's smartphone usage.

Signed-off-by: Light Hsieh <light.hsieh@mediatek.com>
Link: https://lore.kernel.org/r/1579675994-7001-2-git-send-email-light.hsieh@mediatek.com
Acked-by: Sean Wang <sean.wang@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-02-14 11:29:09 +01:00
..
actions pinctrl: actions: remove duplicate dsi entry 2020-01-07 00:22:57 +01:00
aspeed Linux 5.5-rc3 2019-12-29 00:30:37 +01:00
bcm This is the bulk of pin control changes for the v5.6 kernel cycle: 2020-01-29 09:51:36 -08:00
berlin pinctrl: berlin: as370: fix a typo s/spififib/spdifib 2019-10-16 14:12:55 +02:00
cirrus This is the bulk of pin control changes for the v5.6 kernel cycle: 2020-01-29 09:51:36 -08:00
freescale This is the bulk of pin control changes for the v5.6 kernel cycle: 2020-01-29 09:51:36 -08:00
intel pinctrl: tigerlake: Tiger Lake uses _HID enumeration 2020-01-16 13:30:40 +02:00
mediatek pinctrl: mediatek: Supporting driving setting without mapping current to register value 2020-02-14 11:29:09 +01:00
meson This is the bulk of pin control changes for the v5.6 kernel cycle: 2020-01-29 09:51:36 -08:00
mvebu pinctrl: mvebu: armada-37xx: use use platform api 2020-01-23 16:06:11 +01:00
nomadik pinctrl: nomadik: db8500: Add mc0_a_2 pin group without direction control 2019-11-19 15:49:22 +01:00
nuvoton pinctrl: nuvoton: npcm7xx: constify copied structure 2020-01-07 13:55:55 +01:00
pxa pinctrl: fix pxa2xx.c build warnings 2020-02-04 03:05:24 +00:00
qcom pinctrl: qcom: Add ipq6018 pinctrl driver 2020-02-14 11:17:04 +01:00
samsung pinctrl: samsung: Fix missing OF and GPIOLIB dependency on S3C24xx and S3C64xx 2019-12-15 12:47:52 +01:00
sh-pfc pinctrl: sh-pfc: Split R-Car H3 support in two independent drivers 2020-01-08 09:56:28 +01:00
sirf pinctrl: sirf/atlas7: Pass irqchip when adding gpiochip 2019-09-30 23:13:08 +02:00
spear pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
sprd pinctrl: sprd: Add CM4 sleep mode support 2019-10-16 16:01:24 +02:00
stm32 pinctrl: stm32: Use the correct style for SPDX License Identifier 2019-12-12 11:33:51 +01:00
sunxi pinctrl: sunxi: sun50i-h5 use platform_irq_count 2020-01-07 09:55:33 +01:00
tegra pinctrl: tegra: fix missing __iomem in suspend/resume 2020-01-07 00:01:09 +01:00
ti pinctl: ti: iodelay: fix error checking on pinctrl_count_index_with_args call 2019-10-04 23:08:47 +02:00
uniphier pinctrl: uniphier: Fix Pro5 SD pin-mux setting 2019-08-05 13:21:31 +02:00
vt8500 pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
zte pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
core.c Merge branch 'ib-pinctrl-unreg-mappings' into devel 2019-12-30 14:27:53 +01:00
core.h pinctrl: Allow modules to use pinctrl_[un]register_mappings 2019-12-30 14:27:17 +01:00
devicetree.c pinctrl: Allow modules to use pinctrl_[un]register_mappings 2019-12-30 14:27:17 +01:00
devicetree.h pinctrl: devicetree.c: remove orphan pinctrl_dt_has_hogs() 2019-10-04 23:26:23 +02:00
Kconfig pinctrl: ingenic: Fixup PIN_CONFIG_OUTPUT config 2019-12-16 11:38:20 +01:00
Makefile pinctrl: Add pinmux & GPIO controller driver for a new SoC 2019-11-21 14:47:44 +01:00
pinconf-generic.c This is the bulk of pin control changes for the v5.3 kernel 2019-07-13 15:02:27 -07:00
pinconf.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
pinconf.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
pinctrl-amd.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
pinctrl-amd.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
pinctrl-artpec6.c pinctrl: artpec6: fix __iomem on reg in set 2020-01-07 13:57:17 +01:00
pinctrl-as3722.c pinctrl: Include <linux/gpio/driver.h> nothing else 2018-09-14 15:10:57 +02:00
pinctrl-at91-pio4.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-at91.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-at91.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pinctrl-axp209.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pinctrl-bm1880.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-coh901.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-coh901.h
pinctrl-da850-pupd.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-digicolor.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-equilibrium.c pinctrl: Fix warning by adding missing MODULE_LICENSE 2019-11-28 09:12:43 +01:00
pinctrl-equilibrium.h pinctrl: Add pinmux & GPIO controller driver for a new SoC 2019-11-21 14:47:44 +01:00
pinctrl-falcon.c pinctrl: falcon: Add of_node_put() before return 2019-08-06 14:50:04 +02:00
pinctrl-gemini.c pinctrl: gemini: Fix up TVC clock group 2018-10-10 21:05:35 +02:00
pinctrl-ingenic.c pinctrl: ingenic: Use devm_platform_ioremap_resource() 2020-01-07 13:57:17 +01:00
pinctrl-lantiq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 332 2019-06-05 17:37:06 +02:00
pinctrl-lantiq.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 332 2019-06-05 17:37:06 +02:00
pinctrl-lpc18xx.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-max77620.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
pinctrl-mcp23s08.c pinctrl: mcp23s08: Fix add_data and irqchip_add_nested call order 2019-06-25 14:14:26 +02:00
pinctrl-ocelot.c pinctrl: ocelot: Pass irqchip when adding gpiochip 2019-10-16 15:03:40 +02:00
pinctrl-oxnas.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +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 pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-pic32.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 2019-06-05 17:37:18 +02:00
pinctrl-pistachio.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-rk805.c pinctrl: rk805: Make structures constant 2019-08-21 09:00:16 +02:00
pinctrl-rockchip.c pinctrl: rockchip: add rk3308 SoC support 2019-10-16 15:56:19 +02:00
pinctrl-rza1.c pinctrl: rza1: Reduce printed messages 2019-12-20 15:48:14 +01:00
pinctrl-rza2.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-rzn1.c pinctrl: rzn1: Make array reg_drive static, makes object smaller 2019-10-14 12:11:12 +02:00
pinctrl-single.c pinctrl: Convert to using %pOFn instead of device_node.name 2018-08-29 14:05:36 +02:00
pinctrl-st.c pinctrl: st: Pass irqchip when adding gpiochip 2019-10-16 13:45:27 +02:00
pinctrl-stmfx.c This is the bulk of pin control changes for the v5.5 kernel 2019-11-27 10:00:33 -08:00
pinctrl-sx150x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
pinctrl-tb10x.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-u300.c pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
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 pinctrl: use devm_platform_ioremap_resource() to simplify code 2019-11-05 15:33:40 +01:00
pinctrl-zynq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
pinmux.c pinctrl: pinmux: fix a possible null pointer in pinmux_can_be_used_for_gpio 2019-12-13 10:57:23 +01:00
pinmux.h pinctrl/gpio: Take MUX usage into account 2019-08-23 11:09:41 +02:00