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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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94bc967b8d
1. Minor fix in order of initializing pinctrl driver - GPIOs should be
configured before registering gpiolib.
2. Final steps to deprecated bindings headers with register constants.
The constants were moved to include files in DTS directories, because
these are not suitable for bindings. Remove final references and
mark binding header as deprecated to warn any users.
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Merge tag 'samsung-pinctrl-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v6.1
1. Minor fix in order of initializing pinctrl driver - GPIOs should be
configured before registering gpiolib.
2. Final steps to deprecated bindings headers with register constants.
The constants were moved to include files in DTS directories, because
these are not suitable for bindings. Remove final references and
mark binding header as deprecated to warn any users.
387 lines
11 KiB
YAML
387 lines
11 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/samsung,pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung S3C/S5P/Exynos SoC pin controller
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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- Sylwester Nawrocki <s.nawrocki@samsung.com>
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- Tomasz Figa <tomasz.figa@gmail.com>
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description: |
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This is a part of device tree bindings for Samsung S3C/S5P/Exynos SoC pin
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controller.
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All the pin controller nodes should be represented in the aliases node using
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the following format 'pinctrl{n}' where n is a unique number for the alias.
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The controller supports three types of interrupts::
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- External GPIO interrupts (see interrupts property in pin controller node);
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- External wake-up interrupts - multiplexed (capable of waking up the system
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see interrupts property in external wake-up interrupt controller node -
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samsung,pinctrl-wakeup-interrupt.yaml);
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- External wake-up interrupts - direct (capable of waking up the system, see
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interrupts property in every bank of pin controller with external wake-up
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interrupt controller - samsung,pinctrl-gpio-bank.yaml).
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properties:
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$nodename:
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pattern: "^pinctrl(@.*)?"
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compatible:
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enum:
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- samsung,s3c2412-pinctrl
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- samsung,s3c2416-pinctrl
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- samsung,s3c2440-pinctrl
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- samsung,s3c2450-pinctrl
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- samsung,s3c64xx-pinctrl
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- samsung,s5pv210-pinctrl
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- samsung,exynos3250-pinctrl
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- samsung,exynos4210-pinctrl
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- samsung,exynos4x12-pinctrl
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- samsung,exynos5250-pinctrl
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- samsung,exynos5260-pinctrl
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- samsung,exynos5410-pinctrl
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- samsung,exynos5420-pinctrl
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- samsung,exynos5433-pinctrl
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- samsung,exynos7-pinctrl
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- samsung,exynos7885-pinctrl
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- samsung,exynos850-pinctrl
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- samsung,exynosautov9-pinctrl
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- tesla,fsd-pinctrl
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interrupts:
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description:
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Required for GPIO banks supporting external GPIO interrupts.
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maxItems: 1
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power-domains:
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maxItems: 1
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reg:
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description:
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Second base address of the pin controller if the specific registers of
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the pin controller are separated into the different base address.
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Only certain banks of certain pin controller might need it.
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minItems: 1
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maxItems: 2
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wakeup-interrupt-controller:
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$ref: samsung,pinctrl-wakeup-interrupt.yaml
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patternProperties:
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"^[a-z]+[0-9]*-gpio-bank$":
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description:
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Pin banks of the controller are represented by child nodes of the
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controller node. Bank name is taken from name of the node.
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$ref: samsung,pinctrl-gpio-bank.yaml
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"^[a-z0-9-]+-pins$":
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oneOf:
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- $ref: samsung,pinctrl-pins-cfg.yaml
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required:
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- samsung,pins
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- type: object
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patternProperties:
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"^[a-z0-9-]+-pins$":
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$ref: samsung,pinctrl-pins-cfg.yaml
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additionalProperties: false
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"^(initial|sleep)-state$":
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type: object
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additionalProperties: false
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patternProperties:
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"^(pin-[a-z0-9-]+|[a-z0-9-]+-pin)$":
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$ref: samsung,pinctrl-pins-cfg.yaml
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properties:
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samsung,pins:
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description: See samsung,pinctrl-pins-cfg.yaml
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$ref: /schemas/types.yaml#/definitions/string-array
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maxItems: 1
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required:
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- samsung,pins
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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allOf:
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- $ref: "pinctrl.yaml#"
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- if:
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properties:
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compatible:
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contains:
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const: samsung,exynos5433-pinctrl
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then:
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properties:
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reg:
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minItems: 1
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maxItems: 2
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else:
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properties:
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reg:
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minItems: 1
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maxItems: 1
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additionalProperties: false
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examples:
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- |
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pinctrl@7f008000 {
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compatible = "samsung,s3c64xx-pinctrl";
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reg = <0x7f008000 0x1000>;
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interrupt-parent = <&vic1>;
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interrupts = <21>;
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wakeup-interrupt-controller {
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compatible = "samsung,s3c64xx-wakeup-eint";
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interrupts-extended = <&vic0 0>,
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<&vic0 1>,
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<&vic1 0>,
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<&vic1 1>;
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};
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/* Pin bank with external GPIO or muxed external wake-up interrupts */
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gpa-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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// ...
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uart0-data-pins {
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samsung,pins = "gpa-0", "gpa-1";
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samsung,pin-function = <2>;
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samsung,pin-pud = <0>;
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};
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// ...
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};
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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pinctrl@11400000 {
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compatible = "samsung,exynos4210-pinctrl";
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reg = <0x11400000 0x1000>;
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interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
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pinctrl-names = "default";
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pinctrl-0 = <&sleep0>;
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/* Pin bank with external GPIO or muxed external wake-up interrupts */
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gpa0-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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// ...
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uart0-data-pins {
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samsung,pins = "gpa0-0", "gpa0-1";
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samsung,pin-function = <2>;
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samsung,pin-pud = <0>;
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samsung,pin-drv = <0>;
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};
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// ...
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sleep0: sleep-state {
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gpa0-0-pin {
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samsung,pins = "gpa0-0";
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samsung,pin-con-pdn = <2>;
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samsung,pin-pud-pdn = <0>;
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};
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gpa0-1-pin {
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samsung,pins = "gpa0-1";
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samsung,pin-con-pdn = <0>;
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samsung,pin-pud-pdn = <0>;
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};
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// ...
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};
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};
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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pinctrl@11000000 {
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compatible = "samsung,exynos4210-pinctrl";
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reg = <0x11000000 0x1000>;
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interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
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wakeup-interrupt-controller {
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compatible = "samsung,exynos4210-wakeup-eint";
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interrupt-parent = <&gic>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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};
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/* Pin bank with external GPIO or muxed external wake-up interrupts */
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gpj0-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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/* Pin bank without external interrupts */
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gpy0-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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};
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/* Pin bank with external direct wake-up interrupts */
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gpx0-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
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#interrupt-cells = <2>;
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};
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// ...
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sd0-clk-pins {
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samsung,pins = "gpk0-0";
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samsung,pin-function = <2>;
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samsung,pin-pud = <0>;
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samsung,pin-drv = <3>;
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};
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sd4-bus-width8-pins {
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part-1-pins {
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samsung,pins = "gpk0-3", "gpk0-4",
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"gpk0-5", "gpk0-6";
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samsung,pin-function = <3>;
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samsung,pin-pud = <3>;
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samsung,pin-drv = <3>;
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};
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part-2-pins {
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samsung,pins = "gpk1-3", "gpk1-4",
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"gpk1-5", "gpk1-6";
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samsung,pin-function = <4>;
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samsung,pin-pud = <3>;
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samsung,pin-drv = <3>;
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};
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};
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// ...
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otg-gp-pins {
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samsung,pins = "gpx3-3";
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samsung,pin-function = <1>;
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samsung,pin-pud = <0>;
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samsung,pin-drv = <0>;
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samsung,pin-val = <0>;
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};
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};
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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pinctrl@10580000 {
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compatible = "samsung,exynos5433-pinctrl";
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reg = <0x10580000 0x1a20>, <0x11090000 0x100>;
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pinctrl-names = "default";
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pinctrl-0 = <&initial_alive>;
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wakeup-interrupt-controller {
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compatible = "samsung,exynos7-wakeup-eint";
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interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
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};
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/* Pin bank with external direct wake-up interrupts */
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gpa0-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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interrupt-parent = <&gic>;
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interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
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#interrupt-cells = <2>;
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};
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// ...
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te-irq-pins {
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samsung,pins = "gpf1-3";
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samsung,pin-function = <0xf>;
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};
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// ..
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initial_alive: initial-state {
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gpa0-0-pin {
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samsung,pins = "gpa0-0";
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samsung,pin-function = <0>;
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samsung,pin-pud = <1>;
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samsung,pin-drv = <0>;
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};
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// ...
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};
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};
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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pinctrl@114b0000 {
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compatible = "samsung,exynos5433-pinctrl";
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reg = <0x114b0000 0x1000>;
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interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
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power-domains = <&pd_aud>;
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/* Pin bank with external GPIO or muxed external wake-up interrupts */
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gpz0-gpio-bank {
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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// ...
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i2s0-bus-pins {
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samsung,pins = "gpz0-0", "gpz0-1", "gpz0-2", "gpz0-3",
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"gpz0-4", "gpz0-5", "gpz0-6";
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samsung,pin-function = <2>;
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samsung,pin-pud = <0>;
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samsung,pin-drv = <0>;
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};
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// ...
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};
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