intel-pinctrl for v5.9-1
* New driver for Emmitsburg
* New driver for Tiger Lake-H
* Part 3 of Cherryview driver clean up
* Fix a glitch on Baytrail platforms
The following is an automated git shortlog grouped by driver:
ARM/orion/gpio:
- Make use of for_each_requested_gpio()
at91:
- Make use of for_each_requested_gpio()
baytrail:
- Use fallthrough pseudo-keyword
- Fix pin being driven low for a while on gpiod_get(..., GPIOD_OUT_HIGH)
- Drop no-op ACPI_PTR() call
cherryview:
- Re-use data structures from pinctrl-intel.h (part 3)
- Convert chv_writel() to use chv_padreg()
- Introduce helpers to IO with common registers
- Introduce chv_readl() helper
gpio:
- xra1403: Make use of for_each_requested_gpio()
- mvebu: Make use of for_each_requested_gpio()
gpiolib:
- Introduce for_each_requested_gpio_in_range() macro
intel:
- Add Intel Emmitsburg pin controller support
- Make use of for_each_requested_gpio_in_range()
- Protect IO in few call backs by lock
- Split intel_config_get() to three functions
- Drop the only label in the code for consistency
- Get rid of redundant 'else' in intel_config_set_debounce()
- Make use of IRQ_RETVAL()
- Reduce scope of the lock
- Disable input and output buffer when switching to GPIO
- Allow drivers to define ACPI address space ID
- Allow drivers to define total amount of IRQs per community
lynxpoint:
- Drop no-op ACPI_PTR() call
- Introduce helpers to enable or disable input
- Make use of for_each_requested_gpio()
merrifield:
- Add I²S bus 2 pins to groups and functions
- Update pin names in accordance with official list
tigerlake:
- Add support for Tiger Lake-H
This driver adds pinctrl/GPIO support for Intel Emmitsburg PCH. The
GPIO controller is based on the next generation GPIO hardware but still
compatible with the one supported by the Intel core pinctrl/GPIO driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200718120807.19714-1-grandmaster@al2klimov.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This reverts commit 40e30d26d9.
I applied the patch to the wrong tree, oooups. Also there
is a new version of it. Revert it out of pinctrl and
apply to the gpio tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
pinctrl: sh-pfc: Updates for v5.9 (take two)
- Add support for the new RZ/G2H (R8A774E1) SoC,
- One more conversion of DT bindings to json-schema,
- Fix RZ/A1 kerneldoc.
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20200713183541.36963-1-grandmaster@al2klimov.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Correct misspellings and provide missing entries.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'start_pin' not described in 'armada_37xx_pin_group'
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'val' not described in 'armada_37xx_pin_group'
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'extra_pin' not described in 'armada_37xx_pin_group'
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c:68: warning: Function parameter or member 'extra_npins' not described in 'armada_37xx_pin_group'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lore.kernel.org/r/20200713144930.1034632-25-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add some missing attributes/parameter descriptions, remove other
superfluous ones, add struct header titles and fix misspellings.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/pinctrl-single.c:50: warning: Function parameter or member 'mask' not described in 'pcs_func_vals'
drivers/pinctrl/pinctrl-single.c:97: warning: Function parameter or member 'conf' not described in 'pcs_function'
drivers/pinctrl/pinctrl-single.c:97: warning: Function parameter or member 'nconfs' not described in 'pcs_function'
drivers/pinctrl/pinctrl-single.c:659: warning: Function parameter or member 'pin_pos' not described in 'pcs_add_pin'
drivers/pinctrl/pinctrl-single.c:985: warning: Excess function parameter 'pctldev' description in 'pcs_parse_one_pinctrl_entry'
drivers/pinctrl/pinctrl-single.c:1357: warning: Cannot understand * @reg: virtual address of interrupt register
drivers/pinctrl/pinctrl-single.c:1377: warning: Function parameter or member 'pcs_soc' not described in 'pcs_irq_set'
drivers/pinctrl/pinctrl-single.c:1377: warning: Function parameter or member 'irq' not described in 'pcs_irq_set'
drivers/pinctrl/pinctrl-single.c:1377: warning: Function parameter or member 'enable' not described in 'pcs_irq_set'
drivers/pinctrl/pinctrl-single.c:1458: warning: Function parameter or member 'pcs_soc' not described in 'pcs_irq_handle'
drivers/pinctrl/pinctrl-single.c:1458: warning: Excess function parameter 'pcs_irq' description in 'pcs_irq_handle'
drivers/pinctrl/pinctrl-single.c:1506: warning: Excess function parameter 'irq' description in 'pcs_irq_chain_handler'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Cc: linux-omap@vger.kernel.org
Link: https://lore.kernel.org/r/20200713144930.1034632-22-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Demote headers which are clearly not kerneldoc, provide titles for
struct definition blocks, fix API slip (bitrot) misspellings and
provide some missing entries.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/pinctrl-rockchip.c:82: warning: cannot understand function prototype: 'struct rockchip_iomux '
drivers/pinctrl/pinctrl-rockchip.c:97: warning: Enum value 'DRV_TYPE_IO_DEFAULT' not described in enum 'rockchip_pin_drv_type'
drivers/pinctrl/pinctrl-rockchip.c:97: warning: Enum value 'DRV_TYPE_IO_1V8_OR_3V0' not described in enum 'rockchip_pin_drv_type'
drivers/pinctrl/pinctrl-rockchip.c:97: warning: Enum value 'DRV_TYPE_IO_1V8_ONLY' not described in enum 'rockchip_pin_drv_type'
drivers/pinctrl/pinctrl-rockchip.c:97: warning: Enum value 'DRV_TYPE_IO_1V8_3V0_AUTO' not described in enum 'rockchip_pin_drv_type'
drivers/pinctrl/pinctrl-rockchip.c:97: warning: Enum value 'DRV_TYPE_IO_3V3_ONLY' not described in enum 'rockchip_pin_drv_type'
drivers/pinctrl/pinctrl-rockchip.c:97: warning: Enum value 'DRV_TYPE_MAX' not described in enum 'rockchip_pin_drv_type'
drivers/pinctrl/pinctrl-rockchip.c:106: warning: Enum value 'PULL_TYPE_IO_DEFAULT' not described in enum 'rockchip_pin_pull_type'
drivers/pinctrl/pinctrl-rockchip.c:106: warning: Enum value 'PULL_TYPE_IO_1V8_ONLY' not described in enum 'rockchip_pin_pull_type'
drivers/pinctrl/pinctrl-rockchip.c:106: warning: Enum value 'PULL_TYPE_MAX' not described in enum 'rockchip_pin_pull_type'
drivers/pinctrl/pinctrl-rockchip.c:109: warning: Cannot understand * @drv_type: drive strength variant using rockchip_perpin_drv_type
on line 109 - I thought it was a doc line
drivers/pinctrl/pinctrl-rockchip.c:122: warning: Cannot understand * @reg_base: register base of the gpio bank
on line 109 - I thought it was a doc line
drivers/pinctrl/pinctrl-rockchip.c:325: warning: Function parameter or member 'route_location' not described in 'rockchip_mux_route_data'
drivers/pinctrl/pinctrl-rockchip.c:328: warning: Cannot understand */
on line 109 - I thought it was a doc line
drivers/pinctrl/pinctrl-rockchip.c:375: warning: Function parameter or member 'data' not described in 'rockchip_pin_group'
drivers/pinctrl/pinctrl-rockchip.c:387: warning: Function parameter or member 'ngroups' not described in 'rockchip_pmx_func'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: linux-rockchip@lists.infradead.org
Link: https://lore.kernel.org/r/20200713144930.1034632-20-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The documentation header for 'struct at91_pinctrl_mux_ops' was missing
entries for {g,s}et_drivestrength and {g,s}et_slewrate.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/pinctrl-at91.c:77: warning: cannot understand function prototype: 'enum drive_strength_bit '
drivers/pinctrl/pinctrl-at91.c:187: warning: Function parameter or member 'get_drivestrength' not described in 'at91_pinctrl_mux_ops'
drivers/pinctrl/pinctrl-at91.c:187: warning: Function parameter or member 'set_drivestrength' not described in 'at91_pinctrl_mux_ops'
drivers/pinctrl/pinctrl-at91.c:187: warning: Function parameter or member 'get_slewrate' not described in 'at91_pinctrl_mux_ops'
drivers/pinctrl/pinctrl-at91.c:187: warning: Function parameter or member 'set_slewrate' not described in 'at91_pinctrl_mux_ops'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Link: https://lore.kernel.org/r/20200713144930.1034632-18-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/devicetree.c:27: warning: Function parameter or member 'map' not described in 'pinctrl_dt_map'
drivers/pinctrl/devicetree.c:27: warning: Function parameter or member 'num_maps' not described in 'pinctrl_dt_map'
drivers/pinctrl/devicetree.c:409: warning: Function parameter or member 'out_args' not described in 'pinctrl_parse_index_with_args'
drivers/pinctrl/devicetree.c:409: warning: Excess function parameter 'out_arts' description in 'pinctrl_parse_index_with_args'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200713144930.1034632-14-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
And rename another which has probably bitrotted.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/pinmux.c:83: warning: Function parameter or member 'pctldev' not described in 'pinmux_can_be_used_for_gpio'
drivers/pinctrl/pinmux.c:108: warning: Function parameter or member 'pctldev' not described in 'pin_request'
drivers/pinctrl/pinmux.c:261: warning: Function parameter or member 'gpio' not described in 'pinmux_request_gpio'
drivers/pinctrl/pinmux.c:751: warning: Function parameter or member 'selector' not described in 'pinmux_generic_get_function'
drivers/pinctrl/pinmux.c:751: warning: Excess function parameter 'group_selector' description in 'pinmux_generic_get_function'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200713144930.1034632-13-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Most are likely due to bitrot/API slip. Some are formatting issues.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/core.c:167: warning: Function parameter or member 'pin' not described in 'pin_get_name'
drivers/pinctrl/core.c:167: warning: Excess function parameter 'name' description in 'pin_get_name'
drivers/pinctrl/core.c:584: warning: Function parameter or member 'selector' not described in 'pinctrl_generic_get_group'
drivers/pinctrl/core.c:584: warning: Excess function parameter 'gselector' description in 'pinctrl_generic_get_group'
drivers/pinctrl/core.c:1356: error: Cannot parse struct or union!
drivers/pinctrl/core.c:1458: warning: Function parameter or member 'map' not described in 'pinctrl_unregister_mappings'
drivers/pinctrl/core.c:1458: warning: Excess function parameter 'maps' description in 'pinctrl_unregister_mappings'
drivers/pinctrl/core.c:2239: warning: Function parameter or member 'pctldev' not described in 'devm_pinctrl_register_and_init'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200713144930.1034632-12-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Not all sourcefiles which end up including pinctrl-mtk-common-v2.h make use
of 'mtk_default_register_base_names' and there is nowhere we can place the
definition to void the need for __maybe_unused except its own headerfile,
which seems like overkill. So instead we tell the compiler that it's okay
for it to be unused by some of the consumers.
Fixes the following W=1 kernel build warning(s):
In file included from drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c:19:
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h:83:27: warning: ‘mtk_default_register_base_names’ defined but not used [-Wunused-const-variable=]
83 | static const char const mtk_default_register_base_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/pinctrl/mediatek/pinctrl-moore.h:25,
from drivers/pinctrl/mediatek/pinctrl-moore.c:12:
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h:83:27: warning: ‘mtk_default_register_base_names’ defined but not used [-Wunused-const-variable=]
83 | static const char const mtk_default_register_base_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/pinctrl/mediatek/pinctrl-paris.h:27,
from drivers/pinctrl/mediatek/pinctrl-paris.c:15:
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h:83:27: warning: ‘mtk_default_register_base_names’ defined but not used [-Wunused-const-variable=]
83 | static const char const mtk_default_register_base_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/pinctrl/mediatek/pinctrl-paris.h:27,
from drivers/pinctrl/mediatek/pinctrl-mtk-mt6797.h:15,
from drivers/pinctrl/mediatek/pinctrl-mt6797.c:13:
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h:83:27: warning: ‘mtk_default_register_base_names’ defined but not used [-Wunused-const-variable=]
83 | static const char const mtk_default_register_base_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/pinctrl/mediatek/pinctrl-paris.h:27,
from drivers/pinctrl/mediatek/pinctrl-mtk-mt8183.h:12,
from drivers/pinctrl/mediatek/pinctrl-mt8183.c:9:
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h:83:27: warning: ‘mtk_default_register_base_names’ defined but not used [-Wunused-const-variable=]
83 | static const char const mtk_default_register_base_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/pinctrl/mediatek/pinctrl-paris.h:27,
from drivers/pinctrl/mediatek/pinctrl-mtk-mt6765.h:12,
from drivers/pinctrl/mediatek/pinctrl-mt6765.c:10:
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h:83:27: warning: ‘mtk_default_register_base_names’ defined but not used [-Wunused-const-variable=]
83 | static const char const mtk_default_register_base_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Sean Wang <sean.wang@kernel.org>
Cc: Sean Wang <sean.wang@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-mediatek@lists.infradead.org
Link: https://lore.kernel.org/r/20200713144930.1034632-11-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add missing descriptions for attributes and fix 1 formatting issue.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/qcom/pinctrl-msm.c:75: warning: Function parameter or member 'desc' not described in 'msm_pinctrl'
drivers/pinctrl/qcom/pinctrl-msm.c:75: warning: Function parameter or member 'irq_chip' not described in 'msm_pinctrl'
drivers/pinctrl/qcom/pinctrl-msm.c:75: warning: Function parameter or member 'intr_target_use_scm' not described in 'msm_pinctrl'
drivers/pinctrl/qcom/pinctrl-msm.c:75: warning: Function parameter or member 'soc' not described in 'msm_pinctrl'
drivers/pinctrl/qcom/pinctrl-msm.c:75: warning: Function parameter or member 'phys_base' not described in 'msm_pinctrl'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Link: https://lore.kernel.org/r/20200713144930.1034632-6-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
>From ill formatted kerneldoc, to incomplete *and* incorrect struct headers,
through to formatting issues and missing attribute descriptions.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/sirf/pinctrl-atlas7.c:197: warning: Function parameter or member 'id' not described in 'atlas7_pad_config'
drivers/pinctrl/sirf/pinctrl-atlas7.c:221: warning: Function parameter or member 'func' not described in 'atlas7_pad_status'
drivers/pinctrl/sirf/pinctrl-atlas7.c:221: warning: Function parameter or member 'pull' not described in 'atlas7_pad_status'
drivers/pinctrl/sirf/pinctrl-atlas7.c:221: warning: Function parameter or member 'dstr' not described in 'atlas7_pad_status'
drivers/pinctrl/sirf/pinctrl-atlas7.c:221: warning: Function parameter or member 'reserved' not described in 'atlas7_pad_status'
drivers/pinctrl/sirf/pinctrl-atlas7.c:359: warning: Cannot understand * @dev: a pointer back to containing device
on line 359 - I thought it was a doc line
drivers/pinctrl/sirf/pinctrl-atlas7.c:4794: warning: Function parameter or member 'pad_type' not described in 'atlas7_pull_info'
drivers/pinctrl/sirf/pinctrl-atlas7.c:4917: warning: Function parameter or member 'reserved' not described in 'atlas7_ds_info'
drivers/pinctrl/sirf/pinctrl-atlas7.c:5617: warning: Function parameter or member 'a7gc' not described in 'atlas7_gpio_to_bank'
drivers/pinctrl/sirf/pinctrl-atlas7.c:5617: warning: Function parameter or member 'gpio' not described in 'atlas7_gpio_to_bank'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: Barry Song <baohua@kernel.org>
Link: https://lore.kernel.org/r/20200713144930.1034632-3-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/actions/pinctrl-owl.c:52: warning: Function parameter or member 'clk' not described in 'owl_pinctrl'
drivers/pinctrl/actions/pinctrl-owl.c:52: warning: Function parameter or member 'irq_chip' not described in 'owl_pinctrl'
drivers/pinctrl/actions/pinctrl-owl.c:52: warning: Function parameter or member 'num_irq' not described in 'owl_pinctrl'
drivers/pinctrl/actions/pinctrl-owl.c:52: warning: Function parameter or member 'irq' not described in 'owl_pinctrl'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: David Liu <liuwei@actions-semi.com>
Link: https://lore.kernel.org/r/20200713144930.1034632-2-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
We need to iterate over each pin in a group for a function and
disable higher priority mux configurations on the pin before finally
muxing the relevant function's signal. With the current debug output it
is hard to track what register output is relevant to which operation, so
break up the actions in the debug output by providing some more context.
Before:
[ 5.446656] aspeed-g6-pinctrl 1e6e2000.syscon:pinctrl: request pin 37 (B26) for 1e780000.gpio:341
[ 5.447377] Want SCU414[0x00000020]=0x1, got 0x0 from 0x00000000
[ 5.447854] Want SCU4B4[0x00000020]=0x1, got 0x0 from 0x00000000
[ 5.448340] Want SCU4B4[0x00000020]=0x1, got 0x0 from 0x00000000
After:
[ 5.298053] Muxing pin 37 for GPIO
[ 5.298294] Disabling signal NRI4 for NRI4
[ 5.298593] Want SCU414[0x00000020]=0x1, got 0x0 from 0x00000000
[ 5.298983] Disabling signal RGMII4RXD1 for RGMII4
[ 5.299309] Want SCU4B4[0x00000020]=0x1, got 0x0 from 0x00000000
[ 5.299694] Disabling signal RMII4RXD1 for RMII4
[ 5.300014] Want SCU4B4[0x00000020]=0x1, got 0x0 from 0x00000000
[ 5.300396] Enabling signal GPIOE5 for GPIOE5
[ 5.300687] Muxed pin 37 as GPIOE5
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20200701030039.2834418-1-joel@jms.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Modify omap_gpio_set_config() to handle pin config bias flags by calling
gpiochip_generic_config().
The pin group for the gpio line must have the corresponding pinconf
properties:
PIN_CONFIG_BIAS_PULL_UP requires "pinctrl-single,bias-pullup"
PIN_CONFIG_BIAS_PULL_DOWN requires "pinctrl-single,bias-pulldown"
This is necessary for pcs_pinconf_set() to find the requested bias
parameter in the PIN_MAP_TYPE_CONFIGS_GROUP pinctrl map.
Signed-off-by: Drew Fustini <drew@beagleboard.org>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20200715213738.1640030-1-drew@beagleboard.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Some description blocks are void of any description/documentation,
others are missing 'struct' identifiers, there are also a couple of
misspellings of function parameter names. Fix all of them.
Fixes the following W=1 kernel build warning(s):
drivers/pinctrl/pinctrl-rza1.c:81: warning: cannot understand function prototype: 'struct rza1_bidir_pin '
drivers/pinctrl/pinctrl-rza1.c:90: warning: cannot understand function prototype: 'struct rza1_bidir_entry '
drivers/pinctrl/pinctrl-rza1.c:98: warning: cannot understand function prototype: 'struct rza1_swio_pin '
drivers/pinctrl/pinctrl-rza1.c:108: warning: cannot understand function prototype: 'struct rza1_swio_entry '
drivers/pinctrl/pinctrl-rza1.c:116: warning: cannot understand function prototype: 'struct rza1_pinmux_conf '
drivers/pinctrl/pinctrl-rza1.c:443: warning: cannot understand function prototype: 'struct rza1_mux_conf '
drivers/pinctrl/pinctrl-rza1.c:462: warning: cannot understand function prototype: 'struct rza1_port '
drivers/pinctrl/pinctrl-rza1.c:482: warning: cannot understand function prototype: 'struct rza1_pinctrl '
drivers/pinctrl/pinctrl-rza1.c:546: warning: Function parameter or member 'port' not described in 'rza1_pinmux_get_flags'
drivers/pinctrl/pinctrl-rza1.c:546: warning: Function parameter or member 'pin' not described in 'rza1_pinmux_get_flags'
drivers/pinctrl/pinctrl-rza1.c:546: warning: Function parameter or member 'func' not described in 'rza1_pinmux_get_flags'
drivers/pinctrl/pinctrl-rza1.c:546: warning: Function parameter or member 'rza1_pctl' not described in 'rza1_pinmux_get_flags'
drivers/pinctrl/pinctrl-rza1.c:575: warning: Function parameter or member 'port' not described in 'rza1_set_bit'
drivers/pinctrl/pinctrl-rza1.c:575: warning: Function parameter or member 'reg' not described in 'rza1_set_bit'
drivers/pinctrl/pinctrl-rza1.c:575: warning: Function parameter or member 'bit' not described in 'rza1_set_bit'
drivers/pinctrl/pinctrl-rza1.c:575: warning: Function parameter or member 'set' not described in 'rza1_set_bit'
drivers/pinctrl/pinctrl-rza1.c:672: warning: Function parameter or member 'rza1_pctl' not described in 'rza1_pin_mux_single'
drivers/pinctrl/pinctrl-rza1.c:672: warning: Excess function parameter 'pinctrl' description in 'rza1_pin_mux_single'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Link: https://lore.kernel.org/r/20200713144930.1034632-21-lee.jones@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Rather than always using handle_simple_irq() as the gpio_irq_chip
handler, set a more appropriate handler based on the IRQ trigger type
requested. This is important for level triggered interrupts which need
to be masked during handling. Also, fix the interrupt acknowledge so
that it clears only one interrupt instead of all interrupts which are
currently active. Finally there is no need to clear the interrupt during
the interrupt handler, since the edge-triggered handler will do that for
us.
Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Link: https://lore.kernel.org/r/20200703011830.15655-1-mark.tomlinson@alliedtelesis.co.nz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This change drops the override in `amd_gpio_irq_set_type()` that
ignores the IRQ trigger type settings from the caller. The device
driver (caller) is in a better position to identify the right trigger
type for the device based on the usage as well as the information
exposed by the BIOS. There are instances where the device driver might
want to configure the trigger type differently in different modes. An
example of this is gpio-keys driver which configures IRQ type as
trigger on both edges (to identify assert and deassert events) when in
S0 and reconfigures the trigger type using the information provided by
the BIOS when going into suspend to ensure that the wake happens on
the required edge.
This override in `amd_gpio_irq_set_type()` prevents the caller from
being able to reconfigure trigger type once it is set either based on
ACPI information or the type used by the first caller for IRQ on a
given GPIO line.
Without this change, pen-insert gpio key (used by garaged stylus on a
Chromebook) works fine in S0 (i.e. insert and eject events are
correctly identified), however, BIOS configuration for wake on only
pen eject i.e. only-rising edge or only-falling edge is not honored.
With this change, it was verified that pen-insert gpio key behavior is
correct in both S0 and for wakeup from S3.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Signed-off-by: Shyam Sundar S K<Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20200626211026.513520-1-furquan@google.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Ingenic SoCs don't natively support registering an interrupt for both
rising and falling edges. This has to be emulated in software.
Until now, this was emulated by switching back and forth between
IRQ_TYPE_EDGE_RISING and IRQ_TYPE_EDGE_FALLING according to the level of
the GPIO. While this worked most of the time, when used with GPIOs that
need debouncing, some events would be lost. For instance, between the
time a falling-edge interrupt happens and the interrupt handler
configures the hardware for rising-edge, the level of the pin may have
already risen, and the rising-edge event is lost.
To address that issue, instead of switching back and forth between
IRQ_TYPE_EDGE_RISING and IRQ_TYPE_EDGE_FALLING, we now switch back and
forth between IRQ_TYPE_LEVEL_LOW and IRQ_TYPE_LEVEL_HIGH. Since we
always switch in the interrupt handler, they actually permit to detect
level changes. In the example above, if the pin level rises before
switching the IRQ type from IRQ_TYPE_LEVEL_LOW to IRQ_TYPE_LEVEL_HIGH,
a new interrupt will raise as soon as the handler exits, and the
rising-edge event will be properly detected.
Fixes: e72394e2ea ("pinctrl: ingenic: Merge GPIO functionality")
Reported-by: João Henrique <johnnyonflame@hotmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: João Henrique <johnnyonflame@hotmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200622214548.265417-1-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
