diff options
89 files changed, 1798 insertions, 988 deletions
diff --git a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml index 4d69f79df859..62fcc2bd5d80 100644 --- a/Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml +++ b/Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- -$id: http://devicetree.org/schemas/gpio/brcm,bcm6345-gpio.yaml# +$id: http://devicetree.org/schemas/gpio/brcm,bcm63xx-gpio.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Broadcom BCM6345 GPIO controller +title: Broadcom BCM63xx GPIO controller maintainers: - Álvaro Fernández Rojas <noltari@gmail.com> @@ -18,8 +18,6 @@ description: |+ BCM6338 have 8-bit data and dirout registers, where GPIO state can be read and/or written, and the direction changed from input to output. - BCM6345 have 16-bit data and dirout registers, where GPIO state can be read - and/or written, and the direction changed from input to output. BCM6318, BCM6328, BCM6358, BCM6362, BCM6368 and BCM63268 have 32-bit data and dirout registers, where GPIO state can be read and/or written, and the direction changed from input to output. @@ -29,7 +27,6 @@ properties: enum: - brcm,bcm6318-gpio - brcm,bcm6328-gpio - - brcm,bcm6345-gpio - brcm,bcm6358-gpio - brcm,bcm6362-gpio - brcm,bcm6368-gpio @@ -64,17 +61,6 @@ additionalProperties: false examples: - | - gpio@fffe0406 { - compatible = "brcm,bcm6345-gpio"; - reg-names = "dirout", "dat"; - reg = <0xfffe0406 2>, <0xfffe040a 2>; - native-endian; - - gpio-controller; - #gpio-cells = <2>; - }; - - - | gpio@0 { compatible = "brcm,bcm63268-gpio"; reg-names = "dirout", "dat"; diff --git a/Documentation/devicetree/bindings/gpio/gpio-delay.yaml b/Documentation/devicetree/bindings/gpio/gpio-delay.yaml new file mode 100644 index 000000000000..1cebc4058e27 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-delay.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-delay.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO delay controller + +maintainers: + - Alexander Stein <linux@ew.tq-group.com> + +description: | + This binding describes an electrical setup where setting an GPIO output + is delayed by some external setup, e.g. RC circuit. + + +----------+ +-----------+ + | | VCC_B | | + | | | | | + | | VCC_A _ | | + | GPIO | | | R | Consumer | + |controller| ___ |_| | | + | | | | | | | + | [IOx|-------| |--+-----|-----+ | + | | |___| | | input | + | | | | | + +----------+ --- C +-----------+ + --- + | + - + GND + + If the input on the consumer is controlled by an open-drain signal + attached to an RC circuit the ramp-up delay is not under control + of the GPIO controller. + +properties: + compatible: + const: gpio-delay + + "#gpio-cells": + description: | + Specifies the pin, ramp-up and ramp-down delays. The + delays are specified in microseconds. + const: 3 + + gpios: + description: Array of GPIOs which output signal change is delayed + minItems: 1 + maxItems: 32 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 32 + +required: + - compatible + - "#gpio-cells" + - gpio-controller + - gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + enable_delay: enable-delay { + compatible = "gpio-delay"; + #gpio-cells = <3>; + gpio-controller; + gpios = <&gpio0 3 GPIO_ACTIVE_LOW>, + <&gpio3 1 GPIO_ACTIVE_HIGH>; + }; + + consumer { + enable-gpios = <&enable_delay 0 130000 30000>; + }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml b/Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml new file mode 100644 index 000000000000..daadfb4926c3 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-ep9301.yaml @@ -0,0 +1,154 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EP93xx GPIO controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + - Bartosz Golaszewski <brgl@bgdev.pl> + - Nikita Shubin <nikita.shubin@maquefel.me> + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-gpio + - items: + - enum: + - cirrus,ep9302-gpio + - cirrus,ep9307-gpio + - cirrus,ep9312-gpio + - cirrus,ep9315-gpio + - const: cirrus,ep9301-gpio + + reg: + minItems: 2 + items: + - description: data register + - description: direction register + - description: interrupt registers base + + reg-names: + minItems: 2 + items: + - const: data + - const: dir + - const: intr + + gpio-controller: true + + gpio-ranges: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + oneOf: + - maxItems: 1 + - description: port F has dedicated irq line for each gpio line + maxItems: 8 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + gpio@80840000 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840000 0x04>, + <0x80840010 0x04>, + <0x80840090 0x1c>; + reg-names = "data", "dir", "intr"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&vic1>; + interrupts = <27>; + }; + + gpio@80840004 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840004 0x04>, + <0x80840014 0x04>, + <0x808400ac 0x1c>; + reg-names = "data", "dir", "intr"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&vic1>; + interrupts = <27>; + }; + + gpio@80840008 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840008 0x04>, + <0x80840018 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@8084000c { + compatible = "cirrus,ep9301-gpio"; + reg = <0x8084000c 0x04>, + <0x8084001c 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@80840020 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840020 0x04>, + <0x80840024 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@80840030 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840030 0x04>, + <0x80840034 0x04>, + <0x8084004c 0x1c>; + reg-names = "data", "dir", "intr"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupts-extended = <&vic0 19>, <&vic0 20>, + <&vic0 21>, <&vic0 22>, + <&vic1 15>, <&vic1 16>, + <&vic1 17>, <&vic1 18>; + }; + + gpio@80840038 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840038 0x04>, + <0x8084003c 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@80840040 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840040 0x04>, + <0x80840044 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + +... diff --git a/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml new file mode 100644 index 000000000000..b394e058256e --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-mmio.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-mmio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic MMIO GPIO + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + - Bartosz Golaszewski <brgl@bgdev.pl> + +description: + Some simple GPIO controllers may consist of a single data register or a pair + of set/clear-bit registers. Such controllers are common for glue logic in + FPGAs or ASICs. Commonly, these controllers are accessed over memory-mapped + NAND-style parallel busses. + +properties: + compatible: + enum: + - brcm,bcm6345-gpio + - ni,169445-nand-gpio + - wd,mbl-gpio # Western Digital MyBook Live memory-mapped GPIO controller + + big-endian: true + + '#gpio-cells': + const: 2 + + gpio-controller: true + + little-endian: true + + reg: + minItems: 1 + description: + A list of registers in the controller. The width of each register is + determined by its size. All registers must have the same width. The number + of GPIOs is set by the width, with bit 0 corresponding to GPIO 0. + items: + - description: + Register to READ the value of the GPIO lines. If GPIO line is high, + the bit will be set. If the GPIO line is low, the bit will be cleared. + This register may also be used to drive GPIOs if the SET register is + omitted. + - description: + Register to SET the value of the GPIO lines. Setting a bit in this + register will drive the GPIO line high. + - description: + Register to CLEAR the value of the GPIO lines. Setting a bit in this + register will drive the GPIO line low. If this register is omitted, + the SET register will be used to clear the GPIO lines as well, by + actively writing the line with 0. + - description: + Register to set the line as OUTPUT. Setting a bit in this register + will turn that line into an output line. Conversely, clearing a bit + will turn that line into an input. + - description: + Register to set this line as INPUT. Setting a bit in this register + will turn that line into an input line. Conversely, clearing a bit + will turn that line into an output. + + reg-names: + minItems: 1 + maxItems: 5 + items: + enum: + - dat + - set + - clr + - dirout + - dirin + + native-endian: true + + no-output: + $ref: /schemas/types.yaml#/definitions/flag + description: + If this property is present, the controller cannot drive the GPIO lines. + +required: + - compatible + - reg + - reg-names + - '#gpio-cells' + - gpio-controller + +additionalProperties: false + +examples: + - | + gpio@1f300010 { + compatible = "ni,169445-nand-gpio"; + reg = <0x1f300010 0x4>; + reg-names = "dat"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@e0100000 { + compatible = "wd,mbl-gpio"; + reg-names = "dat"; + reg = <0xe0100000 0x1>; + #gpio-cells = <2> |