diff options
Diffstat (limited to 'Bindings/gpio')
-rw-r--r-- | Bindings/gpio/brcm,bcm63xx-gpio.yaml | 72 | ||||
-rw-r--r-- | Bindings/gpio/gpio-delay.yaml | 79 | ||||
-rw-r--r-- | Bindings/gpio/gpio-ep9301.yaml | 154 | ||||
-rw-r--r-- | Bindings/gpio/gpio-mmio.yaml | 117 | ||||
-rw-r--r-- | Bindings/gpio/gpio-pca9570.yaml | 4 | ||||
-rw-r--r-- | Bindings/gpio/gpio-vf610.yaml | 7 | ||||
-rw-r--r-- | Bindings/gpio/gpio-zynq.yaml | 2 | ||||
-rw-r--r-- | Bindings/gpio/st,stmpe-gpio.yaml | 53 | ||||
-rw-r--r-- | Bindings/gpio/x-powers,axp209-gpio.yaml | 1 | ||||
-rw-r--r-- | Bindings/gpio/xlnx,gpio-xilinx.yaml | 2 | ||||
-rw-r--r-- | Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml | 2 |
11 files changed, 490 insertions, 3 deletions
diff --git a/Bindings/gpio/brcm,bcm63xx-gpio.yaml b/Bindings/gpio/brcm,bcm63xx-gpio.yaml new file mode 100644 index 000000000000..62fcc2bd5d80 --- /dev/null +++ b/Bindings/gpio/brcm,bcm63xx-gpio.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,bcm63xx-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM63xx GPIO controller + +maintainers: + - Álvaro Fernández Rojas <noltari@gmail.com> + - Jonas Gorski <jonas.gorski@gmail.com> + +description: |+ + Bindings for Broadcom's BCM63xx memory-mapped GPIO controllers. + + These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345 + are the only ones which don't need a pinctrl driver. + + 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. + 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. + +properties: + compatible: + enum: + - brcm,bcm6318-gpio + - brcm,bcm6328-gpio + - brcm,bcm6358-gpio + - brcm,bcm6362-gpio + - brcm,bcm6368-gpio + - brcm,bcm63268-gpio + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: + maxItems: 1 + + native-endian: true + + reg: + maxItems: 2 + + reg-names: + items: + - const: dirout + - const: dat + +required: + - compatible + - reg + - reg-names + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +examples: + - | + gpio@0 { + compatible = "brcm,bcm63268-gpio"; + reg-names = "dirout", "dat"; + reg = <0x0 0x8>, <0x8 0x8>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 52>; + #gpio-cells = <2>; + }; diff --git a/Bindings/gpio/gpio-delay.yaml b/Bindings/gpio/gpio-delay.yaml new file mode 100644 index 000000000000..1cebc4058e27 --- /dev/null +++ b/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/Bindings/gpio/gpio-ep9301.yaml b/Bindings/gpio/gpio-ep9301.yaml new file mode 100644 index 000000000000..daadfb4926c3 --- /dev/null +++ b/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/Bindings/gpio/gpio-mmio.yaml b/Bindings/gpio/gpio-mmio.yaml new file mode 100644 index 000000000000..b394e058256e --- /dev/null +++ b/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: + $ref: /schemas/types.yaml#/definitions/flag + description: + If this property is present, the controller cannot drive the GPIO lines. + +required: + - compatible + - reg + - reg-names + - '#gpio-cells' + - gpio-controller + +additionalProperties: false + +examples: + - | + gpio@1f300010 { + compatible = "ni,169445-nand-gpio"; + reg = <0x1f300010 0x4>; + reg-names = "dat"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@e0100000 { + compatible = "wd,mbl-gpio"; + reg-names = "dat"; + reg = <0xe0100000 0x1>; + #gpio-cells = <2>; + gpio-controller; + no-output; + }; + + gpio@fffe0406 { + compatible = "brcm,bcm6345-gpio"; + reg-names = "dirout", "dat"; + reg = <0xfffe0406 2>, <0xfffe040a 2>; + native-endian; + gpio-controller; + #gpio-cells = <2>; + }; diff --git a/Bindings/gpio/gpio-pca9570.yaml b/Bindings/gpio/gpio-pca9570.yaml index 5b0134304e51..452f8972a965 100644 --- a/Bindings/gpio/gpio-pca9570.yaml +++ b/Bindings/gpio/gpio-pca9570.yaml @@ -24,6 +24,10 @@ properties: '#gpio-cells': const: 2 + gpio-line-names: + minItems: 4 + maxItems: 8 + required: - compatible - reg diff --git a/Bindings/gpio/gpio-vf610.yaml b/Bindings/gpio/gpio-vf610.yaml index d2c39dba56ad..7c2d152e8617 100644 --- a/Bindings/gpio/gpio-vf610.yaml +++ b/Bindings/gpio/gpio-vf610.yaml @@ -61,6 +61,13 @@ properties: gpio-ranges: maxItems: 1 +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + required: + - gpio-hog + required: - compatible - reg diff --git a/Bindings/gpio/gpio-zynq.yaml b/Bindings/gpio/gpio-zynq.yaml index 572e1718f501..5e2496379a3c 100644 --- a/Bindings/gpio/gpio-zynq.yaml +++ b/Bindings/gpio/gpio-zynq.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Xilinx Zynq GPIO controller maintainers: - - Michal Simek <michal.simek@xilinx.com> + - Michal Simek <michal.simek@amd.com> properties: compatible: diff --git a/Bindings/gpio/st,stmpe-gpio.yaml b/Bindings/gpio/st,stmpe-gpio.yaml new file mode 100644 index 000000000000..22c0cae73425 --- /dev/null +++ b/Bindings/gpio/st,stmpe-gpio.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/st,stmpe-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectonics Port Expander (STMPE) GPIO Block + +description: + STMicroelectronics Port Expander (STMPE) is a series of slow + bus controllers for various expanded peripherals such as GPIO, keypad, + touchscreen, ADC, PWM or rotator. It can contain one or several different + peripherals connected to SPI or I2C. These bindings pertain to the + GPIO portions of these expanders. + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +properties: + compatible: + const: st,stmpe-gpio + + "#gpio-cells": + const: 2 + + "#interrupt-cells": + const: 2 + + gpio-controller: true + + interrupt-controller: true + + st,norequest-mask: + description: + A bitmask of GPIO lines that cannot be requested because for + for example not being connected to anything on the system + $ref: /schemas/types.yaml#/definitions/uint32 + +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + required: + - gpio-hog + +additionalProperties: false + +required: + - compatible + - "#gpio-cells" + - "#interrupt-cells" + - gpio-controller + - interrupt-controller diff --git a/Bindings/gpio/x-powers,axp209-gpio.yaml b/Bindings/gpio/x-powers,axp209-gpio.yaml index 31906c253940..1638cfe90f1c 100644 --- a/Bindings/gpio/x-powers,axp209-gpio.yaml +++ b/Bindings/gpio/x-powers,axp209-gpio.yaml @@ -44,6 +44,7 @@ patternProperties: - GPIO0 - GPIO1 - GPIO2 + - GPIO3 function: enum: diff --git a/Bindings/gpio/xlnx,gpio-xilinx.yaml b/Bindings/gpio/xlnx,gpio-xilinx.yaml index f333ee2288e7..c1060e5fcef3 100644 --- a/Bindings/gpio/xlnx,gpio-xilinx.yaml +++ b/Bindings/gpio/xlnx,gpio-xilinx.yaml @@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: Xilinx AXI GPIO controller maintainers: - - Neeli Srinivas <srinivas.neeli@xilinx.com> + - Neeli Srinivas <srinivas.neeli@amd.com> description: The AXI GPIO design provides a general purpose input/output interface diff --git a/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml b/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml index 31c0fc345903..18e61aff2185 100644 --- a/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml +++ b/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml @@ -12,7 +12,7 @@ description: PS_MODE). Every pin can be configured as input/output. maintainers: - - Piyush Mehta <piyush.mehta@xilinx.com> + - Piyush Mehta <piyush.mehta@amd.com> properties: compatible: |