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dt-bindings: gpio: Create a trivial GPIO schema

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Many simple GPIO controllers without interrupt capability have the same
schema other than their compatible value. Combine all these bindings
into a single schema. The criteria to be included here is must use 2
cells, have no interrupt capability, have 0 or 1 "reg" entries, and
have no other resources (like clocks).

Note that "ngpios" is now allowed in some cases it wasn't before and
constraints on it have been dropped.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250714201959.2983482-1-robh@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Rob Herring (Arm)
2025-07-14 15:19:51 -05:00
committed by Bartosz Golaszewski
parent aa66eb1202
commit f03a7f20b2
23 changed files with 116 additions and 629 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
Documentation/devicetree/bindings/gpio/fcs,fxl6408.yaml
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@@ -1,59 +0,0 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/fcs,fxl6408.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Fairchild FXL6408 I2C GPIO Expander
maintainers:
- Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
properties:
compatible:
enum:
- fcs,fxl6408
reg:
maxItems: 1
"#gpio-cells":
const: 2
gpio-controller: true
gpio-line-names:
minItems: 1
maxItems: 8
patternProperties:
"^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
type: object
required:
- gpio-hog
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
gpio_expander_43: gpio-expander@43 {
compatible = "fcs,fxl6408";
reg = <0x43>;
gpio-controller;
#gpio-cells = <2>;
gpio-line-names = "Wi-Fi_W_DISABLE", "Wi-Fi_WKUP_WLAN",
"PWR_EN_+V3.3_WiFi_N", "PCIe_REF_CLK_EN",
"USB_RESET_N", "USB_BYPASS_N", "Wi-Fi_PDn",
"Wi-Fi_WKUP_BT";
};
};

19
Documentation/devicetree/bindings/gpio/gateworks,pld-gpio.txt
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@@ -1,19 +0,0 @@
Gateworks PLD GPIO controller bindings
The GPIO controller should be a child node on an I2C bus.
Required properties:
- compatible: Should be "gateworks,pld-gpio"
- reg: I2C slave address
- gpio-controller: Marks the device node as a GPIO controller.
- #gpio-cells: Should be <2>. The first cell is the gpio number and
the second cell is used to specify optional parameters.
Example:
pld@56 {
compatible = "gateworks,pld-gpio";
reg = <0x56>;
gpio-controller;
#gpio-cells = <2>;
};

28
Documentation/devicetree/bindings/gpio/gpio-clps711x.txt
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@@ -1,28 +0,0 @@
Cirrus Logic CLPS711X GPIO controller
Required properties:
- compatible: Should be "cirrus,ep7209-gpio"
- reg: Physical base GPIO controller registers location and length.
There should be two registers, first is DATA register, the second
is DIRECTION.
- gpio-controller: Marks the device node as a gpio controller.
- #gpio-cells: Should be two. The first cell is the pin number and
the second cell is used to specify the gpio polarity:
0 = active high
1 = active low
Note: Each GPIO port should have an alias correctly numbered in "aliases"
node.
Example:
aliases {
gpio0 = &porta;
};
porta: gpio@80000000 {
compatible = "cirrus,ep7312-gpio","cirrus,ep7209-gpio";
reg = <0x80000000 0x1>, <0x80000040 0x1>;
gpio-controller;
#gpio-cells = <2>;
};

37
Documentation/devicetree/bindings/gpio/gpio-lp3943.txt
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@@ -1,37 +0,0 @@
TI/National Semiconductor LP3943 GPIO controller
Required properties:
- compatible: "ti,lp3943-gpio"
- gpio-controller: Marks the device node as a GPIO controller.
- #gpio-cells: Should be 2. See gpio.txt in this directory for a
description of the cells format.
Example:
Simple LED controls with LP3943 GPIO controller
&i2c4 {
lp3943@60 {
compatible = "ti,lp3943";
reg = <0x60>;
gpioex: gpio {
compatible = "ti,lp3943-gpio";
gpio-controller;
#gpio-cells = <2>;
};
};
};
leds {
compatible = "gpio-leds";
indicator1 {
label = "indi1";
gpios = <&gpioex 9 GPIO_ACTIVE_LOW>;
};
indicator2 {
label = "indi2";
gpios = <&gpioex 10 GPIO_ACTIVE_LOW>;
default-state = "off";
};
};

25
Documentation/devicetree/bindings/gpio/gpio-max77620.txt
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@@ -1,25 +0,0 @@
GPIO driver for MAX77620 Power management IC from Maxim Semiconductor.
Device has 8 GPIO pins which can be configured as GPIO as well as the
special IO functions.
Required properties:
-------------------
- gpio-controller : Marks the device node as a gpio controller.
- #gpio-cells : Should be two. The first cell is the pin number and
the second cell is used to specify the gpio polarity:
0 = active high
1 = active low
For more details, please refer generic GPIO DT binding document
<devicetree/bindings/gpio/gpio.txt>.
Example:
--------
#include <dt-bindings/mfd/max77620.h>
...
max77620@3c {
compatible = "maxim,max77620";
gpio-controller;
#gpio-cells = <2>;
};

18
Documentation/devicetree/bindings/gpio/gpio-moxtet.txt
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@@ -1,18 +0,0 @@
Turris Mox Moxtet GPIO expander via Moxtet bus
Required properties:
- compatible : Should be "cznic,moxtet-gpio".
- gpio-controller : Marks the device node as a GPIO controller.
- #gpio-cells : Should be two. For consumer use see gpio.txt.
Other properties are required for a Moxtet bus device, please refer to
Documentation/devicetree/bindings/bus/moxtet.txt.
Example:
moxtet_sfp: gpio@0 {
compatible = "cznic,moxtet-gpio";
gpio-controller;
#gpio-cells = <2>;
reg = <0>;
}

27
Documentation/devicetree/bindings/gpio/gpio-palmas.txt
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@@ -1,27 +0,0 @@
Palmas GPIO controller bindings
Required properties:
- compatible:
- "ti,palams-gpio" for palma series of the GPIO controller
- "ti,tps80036-gpio" for Palma series device TPS80036.
- "ti,tps65913-gpio" for palma series device TPS65913.
- "ti,tps65914-gpio" for palma series device TPS65914.
- #gpio-cells : Should be two.
- first cell is the gpio pin number
- second cell is used to specify the gpio polarity:
0 = active high
1 = active low
- gpio-controller : Marks the device node as a GPIO controller.
Note: This gpio node will be sub node of palmas node.
Example:
palmas: tps65913@58 {
:::::::::::
palmas_gpio: palmas_gpio {
compatible = "ti,palmas-gpio";
gpio-controller;
#gpio-cells = <2>;
};
:::::::::::
};

56
Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml
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@@ -1,56 +0,0 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: PCA9570 I2C GPO expander
maintainers:
- Sungbo Eo <mans0n@gorani.run>
properties:
compatible:
enum:
- dlg,slg7xl45106
- nxp,pca9570
- nxp,pca9571
reg:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
gpio-line-names:
minItems: 4
maxItems: 8
label:
description: A descriptive name for this device.
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
additionalProperties: false
examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
gpio@24 {
compatible = "nxp,pca9570";
reg = <0x24>;
gpio-controller;
#gpio-cells = <2>;
};
};
...

51
Documentation/devicetree/bindings/gpio/gpio-tpic2810.yaml
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@@ -1,51 +0,0 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/gpio-tpic2810.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TPIC2810 GPIO controller
maintainers:
- Aswath Govindraju <a-govindraju@ti.com>
properties:
compatible:
enum:
- ti,tpic2810
reg:
maxItems: 1
gpio-controller: true
"#gpio-cells":
const: 2
gpio-line-names:
minItems: 1
maxItems: 32
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
gpio@60 {
compatible = "ti,tpic2810";
reg = <0x60>;
gpio-controller;
#gpio-cells = <2>;
gpio-line-names = "LED A", "LED B", "LED C";
};
};

20
Documentation/devicetree/bindings/gpio/gpio-ts4800.txt
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@@ -1,20 +0,0 @@
* TS-4800 FPGA's GPIO controller bindings
Required properties:
- compatible: Must be "technologic,ts4800-gpio".
- #gpio-cells: Should be two. The first cell is the pin number.
- reg: Physical base address of the controller and length
of memory mapped region.
Optional property:
- ngpios: See "gpio.txt"
Example:
gpio1: gpio {
compatible = "technologic,ts4800-gpio";
reg = <0x10020 0x6>;
ngpios = <8>;
gpio-controller;
#gpio-cells = <2>;
};

30
Documentation/devicetree/bindings/gpio/gpio-ts4900.txt
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@@ -1,30 +0,0 @@
* Technologic Systems I2C-FPGA's GPIO controller bindings
This bindings describes the GPIO controller for Technologic's FPGA core.
TS-4900's FPGA encodes the GPIO state on 3 bits, whereas the TS-7970's FPGA
uses 2 bits: it doesn't use a dedicated input bit.
Required properties:
- compatible: Should be one of the following
"technologic,ts4900-gpio"
"technologic,ts7970-gpio"
- reg: Physical base address of the controller and length
of memory mapped region.
- #gpio-cells: Should be two. The first cell is the pin number.
- gpio-controller: Marks the device node as a gpio controller.
Optional property:
- ngpios: Number of GPIOs this controller is instantiated with,
the default is 32. See gpio.txt for more details.
Example:
&i2c2 {
gpio8: gpio@28 {
compatible = "technologic,ts4900-gpio";
reg = <0x28>;
#gpio-cells = <2>;
gpio-controller;
ngpios = <32>;
};
};

22
Documentation/devicetree/bindings/gpio/gpio-xgene.txt
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@@ -1,22 +0,0 @@
APM X-Gene SoC GPIO controller bindings
This is a gpio controller that is part of the flash controller.
This gpio controller controls a total of 48 gpios.
Required properties:
- compatible: "apm,xgene-gpio" for X-Gene GPIO controller
- reg: Physical base address and size of the controller's registers
- #gpio-cells: Should be two.
- first cell is the pin number
- second cell is used to specify the gpio polarity:
0 = active high
1 = active low
- gpio-controller: Marks the device node as a GPIO controller.
Example:
gpio0: gpio0@1701c000 {
compatible = "apm,xgene-gpio";
reg = <0x0 0x1701c000 0x0 0x40>;
gpio-controller;
#gpio-cells = <2>;
};

24
Documentation/devicetree/bindings/gpio/ibm,ppc4xx-gpio.txt
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@@ -1,24 +0,0 @@
* IBM/AMCC/APM GPIO Controller for PowerPC 4XX series and compatible SoCs
All GPIOs are pin-shared with other functions. DCRs control whether a
particular pin that has GPIO capabilities acts as a GPIO or is used for
another purpose. GPIO outputs are separately programmable to emulate
an open-drain driver.
Required properties:
- compatible: must be "ibm,ppc4xx-gpio"
- reg: address and length of the register set for the device
- #gpio-cells: must be set to 2. The first cell is the pin number
and the second cell is used to specify the gpio polarity:
0 = active high
1 = active low
- gpio-controller: marks the device node as a gpio controller.
Example:
GPIO0: gpio@ef600b00 {
compatible = "ibm,ppc4xx-gpio";
reg = <0xef600b00 0x00000048>;
#gpio-cells = <2>;
gpio-controller;
};

49
Documentation/devicetree/bindings/gpio/loongson,ls1x-gpio.yaml
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@@ -1,49 +0,0 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Loongson-1 GPIO controller
maintainers:
- Keguang Zhang <keguang.zhang@gmail.com>
properties:
compatible:
const: loongson,ls1x-gpio
reg:
maxItems: 1
gpio-controller: true
"#gpio-cells":
const: 2
ngpios:
minimum: 1
maximum: 32
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
- ngpios
additionalProperties: false
examples:
- |
gpio0: gpio@1fd010c0 {
compatible = "loongson,ls1x-gpio";
reg = <0x1fd010c0 0x4>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <32>;
};
...

26
Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
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@@ -1,26 +0,0 @@
Nintendo Wii (Hollywood) GPIO controller
Required properties:
- compatible: "nintendo,hollywood-gpio"
- reg: Physical base address and length of the controller's registers.
- gpio-controller: Marks the device node as a GPIO controller.
- #gpio-cells: Should be <2>. The first cell is the pin number and the
second cell is used to specify optional parameters:
- bit 0 specifies polarity (0 for normal, 1 for inverted).
Optional properties:
- ngpios: see Documentation/devicetree/bindings/gpio/gpio.txt
- interrupt-controller: Marks the device node as an interrupt controller.
- #interrupt-cells: Should be two.
- interrupts: Interrupt specifier for the controller's Broadway (PowerPC)
interrupt.
Example:
GPIO: gpio@d8000c0 {
#gpio-cells = <2>;
compatible = "nintendo,hollywood-gpio";
reg = <0x0d8000c0 0x40>;
gpio-controller;
ngpios = <24>;
}

50
Documentation/devicetree/bindings/gpio/rockchip,rk3328-grf-gpio.yaml
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@@ -1,50 +0,0 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/rockchip,rk3328-grf-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip RK3328 General Register Files GPIO controller
description:
The Rockchip RK3328 General Register File (GRF) outputs only the
GPIO_MUTE pin, originally for codec mute control, but it can also be used
for general purpose. It is manipulated by the GRF_SOC_CON10 register.
If needed in the future support for the HDMI pins can also be added.
The GPIO node should be declared as the child of the GRF node.
The GPIO_MUTE pin is referred to in the format
<&grf_gpio 0 GPIO_ACTIVE_LOW>
The first cell is the pin number and
the second cell is used to specify the GPIO polarity
0 = Active high
1 = Active low
maintainers:
- Heiko Stuebner <heiko@sntech.de>
properties:
compatible:
const: rockchip,rk3328-grf-gpio
gpio-controller: true
"#gpio-cells":
const: 2
required:
- compatible
- gpio-controller
- "#gpio-cells"
additionalProperties: false
examples:
- |
grf_gpio: gpio {
compatible = "rockchip,rk3328-grf-gpio";
gpio-controller;
#gpio-cells = <2>;
};

21
Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt
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@@ -1,21 +0,0 @@
Synopsys GPIO via CREG (Control REGisters) driver
Required properties:
- compatible : "snps,creg-gpio-hsdk" or "snps,creg-gpio-axs10x".
- reg : Exactly one register range with length 0x4.
- #gpio-cells : Since the generic GPIO binding is used, the
amount of cells must be specified as 2. The first cell is the
pin number, the second cell is used to specify optional parameters:
See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt.
- gpio-controller : Marks the device node as a GPIO controller.
- ngpios: Number of GPIO pins.
Example:
gpio: gpio@f00014b0 {
compatible = "snps,creg-gpio-hsdk";
reg = <0xf00014b0 0x4>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <2>;
};

56
Documentation/devicetree/bindings/gpio/ti,7416374.yaml
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@@ -1,56 +0,0 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/ti,7416374.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI 74XX MMIO GPIO
maintainers:
- Frank Li <Frank.Li@nxp.com>
properties:
compatible:
enum:
- ti,741g125 # for 741G125 (1-bit Input),
- ti,741g174 # for 741G74 (1-bit Output),
- ti,742g125 # for 742G125 (2-bit Input),
- ti,7474 # for 7474 (2-bit Output),
- ti,74125 # for 74125 (4-bit Input),
- ti,74175 # for 74175 (4-bit Output),
- ti,74365 # for 74365 (6-bit Input),
- ti,74174 # for 74174 (6-bit Output),
- ti,74244 # for 74244 (8-bit Input),
- ti,74273 # for 74273 (8-bit Output),
- ti,741624 # for 741624 (16-bit Input),
- ti,7416374 # for 7416374 (16-bit Output).
reg:
maxItems: 1
gpio-controller: true
'#gpio-cells':
const: 2
description: |
The first cell is the pin number and
the second cell is used to specify the GPIO polarity:
0 = Active High,
1 = Active Low.
required:
- compatible
- reg
- gpio-controller
- '#gpio-cells'
additionalProperties: false
examples:
- |
gpio@30008004 {
compatible = "ti,74174";
reg = <0x30008004 0x1>;
gpio-controller;
#gpio-cells = <2>;
};

110
Documentation/devicetree/bindings/gpio/trivial-gpio.yaml Normal file
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@@ -0,0 +1,110 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/trivial-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Trivial 2-cell GPIO controllers
maintainers:
- Bartosz Golaszewski <brgl@bgdev.pl>
properties:
compatible:
oneOf:
- items:
- enum:
- cirrus,ep7312-gpio
- const: cirrus,ep7209-gpio
- enum:
- apm,xgene-gpio
- cirrus,ep7209-gpio
- cznic,moxtet-gpio
- dlg,slg7xl45106
- fcs,fxl6408
- gateworks,pld-gpio
- ibm,ppc4xx-gpio
- loongson,ls1x-gpio
- maxim,max77620
- nintendo,hollywood-gpio
- nxp,pca9570
- nxp,pca9571
- rockchip,rk3328-grf-gpio
- snps,creg-gpio-hsdk
- technologic,ts4800-gpio
- technologic,ts4900-gpio
- technologic,ts7970-gpio
- ti,741g125 # for 741G125 (1-bit Input),
- ti,741g174 # for 741G74 (1-bit Output),
- ti,742g125 # for 742G125 (2-bit Input),
- ti,7474 # for 7474 (2-bit Output),
- ti,74125 # for 74125 (4-bit Input),
- ti,74175 # for 74175 (4-bit Output),
- ti,74365 # for 74365 (6-bit Input),
- ti,74174 # for 74174 (6-bit Output),
- ti,74244 # for 74244 (8-bit Input),
- ti,74273 # for 74273 (8-bit Output),
- ti,741624 # for 741624 (16-bit Input),
- ti,7416374 # for 7416374 (16-bit Output).
- ti,lp3943-gpio
- ti,palmas-gpio
- ti,tpic2810
- ti,tps80036-gpio
- ti,tps65913-gpio
- ti,tps65914-gpio
reg:
maxItems: 1
'#gpio-cells':
const: 2
gpio-controller: true
gpio-line-names: true
ngpios: true
# Don't add more properties
patternProperties:
"^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
type: object
required:
- gpio-hog
required:
- compatible
- '#gpio-cells'
- gpio-controller
allOf:
- if:
properties:
compatible:
contains:
enum:
- maxim,max77620
- rockchip,rk3328-grf-gpio
- ti,lp3943-gpio
- ti,palmas-gpio
- ti,tps80036-gpio
- ti,tps65913-gpio
- ti,tps65914-gpio
then:
properties:
reg: false
else:
required:
- reg
additionalProperties: false
examples:
- |
gpio@1701c000 {
compatible = "apm,xgene-gpio";
reg = <0x1701c000 0x40>;
gpio-controller;
#gpio-cells = <2>;
};

2
Documentation/devicetree/bindings/mfd/lp3943.txt
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@@ -7,7 +7,7 @@ Required properties:
LP3943 consists of two sub-devices, lp3943-gpio and lp3943-pwm.
For the LP3943 GPIO properties please refer to:
Documentation/devicetree/bindings/gpio/gpio-lp3943.txt
Documentation/devicetree/bindings/gpio/trivial-gpio.yaml
For the LP3943 PWM properties please refer to:
Documentation/devicetree/bindings/pwm/pwm-lp3943.txt

4
Documentation/devicetree/bindings/powerpc/nintendo/wii.txt
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@@ -139,10 +139,6 @@ Nintendo Wii device tree
- interrupt-controller
- interrupts : should contain the cascade interrupt of the "flipper" pic
1.l) The General Purpose I/O (GPIO) controller node
see Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt
1.m) The control node
Represents the control interface used to setup several miscellaneous

8
Documentation/devicetree/bindings/soc/rockchip/grf.yaml
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@@ -179,10 +179,12 @@ allOf:
properties:
gpio:
type: object
properties:
compatible:
contains:
const: rockchip,rk3328-grf-gpio
$ref: /schemas/gpio/rockchip,rk3328-grf-gpio.yaml#
unevaluatedProperties: false
additionalProperties: true
power-controller:
type: object

3
MAINTAINERS
View File

@@ -2546,7 +2546,6 @@ F: Documentation/ABI/testing/sysfs-firmware-turris-mox-rwtm
F: Documentation/devicetree/bindings/bus/moxtet.txt
F: Documentation/devicetree/bindings/firmware/cznic,turris-mox-rwtm.txt
F: Documentation/devicetree/bindings/firmware/cznic,turris-omnia-mcu.yaml
F: Documentation/devicetree/bindings/gpio/gpio-moxtet.txt
F: Documentation/devicetree/bindings/interrupt-controller/marvell,mpic.yaml
F: Documentation/devicetree/bindings/leds/cznic,turris-omnia-leds.yaml
F: Documentation/devicetree/bindings/watchdog/armada-37xx-wdt.txt
@@ -23996,7 +23995,6 @@ F: drivers/reset/reset-axs10x.c
SYNOPSYS CREG GPIO DRIVER
M: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
S: Maintained
F: Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt
F: drivers/gpio/gpio-creg-snps.c
SYNOPSYS DESIGNWARE 8250 UART DRIVER
@@ -27277,7 +27275,6 @@ XRA1403 GPIO EXPANDER
M: Nandor Han <nandor.han@ge.com>
L: linux-gpio@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
F: drivers/gpio/gpio-xra1403.c
XTENSA XTFPGA PLATFORM SUPPORT