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Merge tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm…
…/linux/kernel/git/brgl/linux Pull gpio updates from Bartosz Golaszewski: - new driver for the Realtek Otto GPIO controller - ACPI support for gpio-mpc8xxx - edge event support for gpio-sch (+ Kconfig fixes) - Kconfig improvements in gpio-ich - fixes to older issues in gpio-mockup - ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055 - improve the GPIO aggregator code by using more generic interfaces instead of reimplementing them in the driver - convert the DT bindings for gpio-74x164 to yaml - documentation improvements - a slew of other minor fixes and improvements to GPIO drivers * tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (34 commits) dt-bindings: gpio: add YAML description for rockchip,gpio-bank gpio: mxs: remove useless function dt-bindings: gpio: fairchild,74hc595: Convert to json-schema gpio: it87: remove unused code gpio: 104-dio-48e: Fix coding style issues gpio: mpc8xxx: Add ACPI support gpio: ich: Switch to be dependent on LPC_ICH gpio: sch: Drop MFD_CORE selection gpio: sch: depends on LPC_SCH gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055 gpio: sch: Hook into ACPI GPE handler to catch GPIO edge events gpio: sch: Add edge event support gpio: aggregator: Replace custom get_arg() with a generic next_arg() lib/cmdline: Export next_arg() for being used in modules gpio: omap: Use device_get_match_data() helper gpio: Add Realtek Otto GPIO support dt-bindings: gpio: Binding for Realtek Otto GPIO docs: kernel-parameters: Add gpio_mockup_named_lines docs: kernel-parameters: Move gpio-mockup for alphabetic order lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc() ...
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77 changes: 77 additions & 0 deletions
77
Documentation/devicetree/bindings/gpio/fairchild,74hc595.yaml
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| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) | ||
| %YAML 1.2 | ||
| --- | ||
| $id: http://devicetree.org/schemas/gpio/fairchild,74hc595.yaml# | ||
| $schema: http://devicetree.org/meta-schemas/core.yaml# | ||
|
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| title: Generic 8-bit shift register | ||
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| maintainers: | ||
| - Maxime Ripard <[email protected]> | ||
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| properties: | ||
| compatible: | ||
| enum: | ||
| - fairchild,74hc595 | ||
| - nxp,74lvc594 | ||
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| reg: | ||
| maxItems: 1 | ||
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| gpio-controller: true | ||
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| '#gpio-cells': | ||
| description: | ||
| The second cell is only used to specify the GPIO polarity. | ||
| const: 2 | ||
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| registers-number: | ||
| description: Number of daisy-chained shift registers | ||
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| enable-gpios: | ||
| description: GPIO connected to the OE (Output Enable) pin. | ||
| maxItems: 1 | ||
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| spi-max-frequency: true | ||
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| patternProperties: | ||
| "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$": | ||
| type: object | ||
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| properties: | ||
| gpio-hog: true | ||
| gpios: true | ||
| output-high: true | ||
| output-low: true | ||
| line-name: true | ||
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| required: | ||
| - gpio-hog | ||
| - gpios | ||
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| additionalProperties: false | ||
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| required: | ||
| - compatible | ||
| - reg | ||
| - gpio-controller | ||
| - '#gpio-cells' | ||
| - registers-number | ||
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| additionalProperties: false | ||
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| examples: | ||
| - | | ||
| spi { | ||
| #address-cells = <1>; | ||
| #size-cells = <0>; | ||
| gpio5: gpio5@0 { | ||
| compatible = "fairchild,74hc595"; | ||
| reg = <0>; | ||
| gpio-controller; | ||
| #gpio-cells = <2>; | ||
| registers-number = <4>; | ||
| spi-max-frequency = <100000>; | ||
| }; | ||
| }; |
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78
Documentation/devicetree/bindings/gpio/realtek,otto-gpio.yaml
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| # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause | ||
| %YAML 1.2 | ||
| --- | ||
| $id: http://devicetree.org/schemas/gpio/realtek,otto-gpio.yaml# | ||
| $schema: http://devicetree.org/meta-schemas/core.yaml# | ||
|
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| title: Realtek Otto GPIO controller | ||
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| maintainers: | ||
| - Sander Vanheule <[email protected]> | ||
| - Bert Vermeulen <[email protected]> | ||
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| description: | | ||
| Realtek's GPIO controller on their MIPS switch SoCs (Otto platform) consists | ||
| of two banks of 32 GPIOs. These GPIOs can generate edge-triggered interrupts. | ||
| Each bank's interrupts are cascased into one interrupt line on the parent | ||
| interrupt controller, if provided. | ||
| This binding allows defining a single bank in the devicetree. The interrupt | ||
| controller is not supported on the fallback compatible name, which only | ||
| allows for GPIO port use. | ||
| properties: | ||
| $nodename: | ||
| pattern: "^gpio@[0-9a-f]+$" | ||
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| compatible: | ||
| items: | ||
| - enum: | ||
| - realtek,rtl8380-gpio | ||
| - realtek,rtl8390-gpio | ||
| - const: realtek,otto-gpio | ||
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| reg: | ||
| maxItems: 1 | ||
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| "#gpio-cells": | ||
| const: 2 | ||
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| gpio-controller: true | ||
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| ngpios: | ||
| minimum: 1 | ||
| maximum: 32 | ||
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| interrupt-controller: true | ||
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| "#interrupt-cells": | ||
| const: 2 | ||
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| interrupts: | ||
| maxItems: 1 | ||
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| required: | ||
| - compatible | ||
| - reg | ||
| - "#gpio-cells" | ||
| - gpio-controller | ||
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| additionalProperties: false | ||
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| dependencies: | ||
| interrupt-controller: [ interrupts ] | ||
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| examples: | ||
| - | | ||
| gpio@3500 { | ||
| compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio"; | ||
| reg = <0x3500 0x1c>; | ||
| gpio-controller; | ||
| #gpio-cells = <2>; | ||
| ngpios = <24>; | ||
| interrupt-controller; | ||
| #interrupt-cells = <2>; | ||
| interrupt-parent = <&rtlintc>; | ||
| interrupts = <23>; | ||
| }; | ||
| ... |
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82
Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml
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| # SPDX-License-Identifier: GPL-2.0 | ||
| %YAML 1.2 | ||
| --- | ||
| $id: http://devicetree.org/schemas/gpio/rockchip,gpio-bank.yaml# | ||
| $schema: http://devicetree.org/meta-schemas/core.yaml# | ||
|
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| title: Rockchip GPIO bank | ||
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| maintainers: | ||
| - Heiko Stuebner <[email protected]> | ||
|
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| properties: | ||
| compatible: | ||
| enum: | ||
| - rockchip,gpio-bank | ||
| - rockchip,rk3188-gpio-bank0 | ||
|
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| reg: | ||
| maxItems: 1 | ||
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| interrupts: | ||
| maxItems: 1 | ||
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| clocks: | ||
| maxItems: 1 | ||
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| gpio-controller: true | ||
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| "#gpio-cells": | ||
| const: 2 | ||
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| interrupt-controller: true | ||
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| "#interrupt-cells": | ||
| const: 2 | ||
|
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| required: | ||
| - compatible | ||
| - reg | ||
| - interrupts | ||
| - clocks | ||
| - gpio-controller | ||
| - "#gpio-cells" | ||
| - interrupt-controller | ||
| - "#interrupt-cells" | ||
|
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| additionalProperties: false | ||
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| examples: | ||
| - | | ||
| #include <dt-bindings/interrupt-controller/arm-gic.h> | ||
| pinctrl: pinctrl { | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
| ranges; | ||
| gpio0: gpio@2000a000 { | ||
| compatible = "rockchip,rk3188-gpio-bank0"; | ||
| reg = <0x2000a000 0x100>; | ||
| interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>; | ||
| clocks = <&clk_gates8 9>; | ||
| gpio-controller; | ||
| #gpio-cells = <2>; | ||
| interrupt-controller; | ||
| #interrupt-cells = <2>; | ||
| }; | ||
| gpio1: gpio@2003c000 { | ||
| compatible = "rockchip,gpio-bank"; | ||
| reg = <0x2003c000 0x100>; | ||
| interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>; | ||
| clocks = <&clk_gates8 10>; | ||
| gpio-controller; | ||
| #gpio-cells = <2>; | ||
| interrupt-controller; | ||
| #interrupt-cells = <2>; | ||
| }; | ||
| }; |
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