dts: bindings: clean up redundant required false attributes

DTS property attributes are (by default) not required.

Explicitly specifying `required: false` is redundant.
Perhaps a warning to that effect would be useful.

Signed-off-by: Chris Friedt <cfriedt@meta.com>

dts/bindings/adc/adc-controller.yaml

@@ -12,11 +12,9 @@ properties:
       required: true
 
     "#address-cells":
-      required: false
       const: 1
 
     "#size-cells":
-      required: false
       const: 0
 
 child-binding:
@@ -105,7 +103,6 @@ child-binding:
 
       zephyr,vref-mv:
         type: int
-        required: false
         description: |
           This property can be used to specify the voltage (in millivolts)
           of the reference selected for this channel, so that applications
@@ -126,14 +123,12 @@ child-binding:
 
       zephyr,input-positive:
         type: int
-        required: false
         description: |
           Positive ADC input. Used only for drivers that select
           the ADC_CONFIGURABLE_INPUTS Kconfig option.
 
       zephyr,input-negative:
         type: int
-        required: false
         description: |
           Negative ADC input. Used only for drivers that select
           the ADC_CONFIGURABLE_INPUTS Kconfig option.
@@ -142,13 +137,11 @@ child-binding:
 
       zephyr,resolution:
         type: int
-        required: false
         description: |
           ADC resolution to be used for the channel.
 
       zephyr,oversampling:
         type: int
-        required: false
         description: |
           Oversampling setting to be used for the channel.
           When specified, each sample is averaged from 2^N conversion results

dts/bindings/adc/arduino,uno-adc.yaml

@@ -22,11 +22,9 @@ properties:
 
     io-channel-map-mask:
       type: compound
-      required: false
 
     io-channel-map-pass-thru:
       type: compound
-      required: false
 
     "#io-channel-cells":
       type: int

dts/bindings/adc/atmel,sam0-adc.yaml

@@ -37,7 +37,6 @@ properties:
 
     calib-offset:
       type: int
-      required: false
       description: |
         bit position offset in NVM SW Calib for start of ADC0 BIASCOMP field.
         This property is expected to be set on SAM{D,E}5x family of SoCs.

dts/bindings/adc/gd,gd32-adc.yaml

@@ -30,7 +30,6 @@ properties:
 
     rcu-clock-source:
       type: int
-      required: false
       description: |
         Some GD32 ADC have additional clock source, like IRC14M or IRC28M.
         This property used to select the clock and related prescaler, valid

dts/bindings/adc/nxp,kinetis-adc12.yaml

@@ -26,7 +26,6 @@ properties:
 
     alternate-voltage-reference:
       type: boolean
-      required: false
       description: use alternate voltage reference source
 
     sample-time:

dts/bindings/adc/nxp,kinetis-adc16.yaml

@@ -13,7 +13,6 @@ properties:
 
     channel-mux-b:
       type: boolean
-      required: false
       description: |
         Use alternate set (b instead of a) of ADC channels
 
@@ -22,7 +21,6 @@ properties:
 
     periodic-trigger:
       type: boolean
-      required: false
       description: if periodic trigger enabled
 
     "#io-channel-cells":
@@ -30,12 +28,10 @@ properties:
 
     clk-source:
       type: int
-      required: false
       description: use alternate clock reference source
 
     long-sample:
       type: int
-      required: false
       enum:
         - 0
         - 1
@@ -46,17 +42,14 @@ properties:
 
     continuous-convert:
       type: boolean
-      required: false
       description: If use continuous convert
 
     high-speed:
       type: boolean
-      required: false
       description: If use high speed
 
     hw-trigger-src:
       type: int
-      required: false
       description: hardware trigger source (See ADCxTRGSEL field in user manual for more details)
 
 io-channel-cells:

dts/bindings/adc/raspberrypi,pico-adc.yaml

@@ -13,7 +13,6 @@ properties:
 
     vref-mv:
       type: int
-      required: false
       default: 3300
       description: |
         Indicate the reference voltage of the ADC in mV.

dts/bindings/adc/st,stm32-adc.yaml

@@ -29,7 +29,6 @@ properties:
 
     vref-mv:
       type: int
-      required: false
       default: 3300
       description: Indicates the reference voltage of the ADC in mV (on the target board).
 

dts/bindings/adc/ti,lmp90xxx-base.yaml

@@ -7,7 +7,6 @@ bus: lmp90xxx
 properties:
     drdyb-gpios:
       type: phandle-array
-      required: false
       description: Data Ready Bar
 
     "#io-channel-cells":

dts/bindings/adc/ti,lmp90xxx-current.yaml

@@ -5,5 +5,4 @@ include: ti,lmp90xxx-base.yaml
 properties:
     rtd-current:
       type: int
-      required: false
       description: RTD current in microampere

dts/bindings/adc/voltage-divider.yaml

@@ -23,7 +23,6 @@ properties:
 
     full-ohms:
       type: int
-      required: false
       description: |
         Resistance of the full path through the voltage divider.
 
@@ -32,7 +31,6 @@ properties:
 
     power-gpios:
       type: phandle-array
-      required: false
       description: |
         Control power to the voltage divider inputs.
 

dts/bindings/adc/zephyr,adc-emul.yaml

@@ -15,7 +15,6 @@ properties:
 
     ref-internal-mv:
         type: int
-        required: false
         default: 0
         description:
           Internal reference voltage in mV. If not provided or set to zero,
@@ -23,7 +22,6 @@ properties:
 
     ref-vdd-mv:
         type: int
-        required: false
         default: 0
         description:
           VDD reference voltage in mV. If not provided or set to zero,
@@ -31,7 +29,6 @@ properties:
 
     ref-external0-mv:
         type: int
-        required: false
         default: 0
         description:
           External 0 reference voltage in mV. If not provided or set to zero,
@@ -39,7 +36,6 @@ properties:
 
     ref-external1-mv:
         type: int
-        required: false
         default: 0
         description:
           External 1 reference voltage in mV. If not provided or set to zero,

dts/bindings/audio/nordic,nrf-pdm.yaml

@@ -17,7 +17,6 @@ properties:
     clk-pin:
       type: int
       deprecated: true
-      required: false
       description: |
         IMPORTANT: This option will only be used if the new pin control driver
         is not enabled.
@@ -37,7 +36,6 @@ properties:
     din-pin:
       type: int
       deprecated: true
-      required: false
       description: |
         IMPORTANT: This option will only be used if the new pin control driver
         is not enabled.
@@ -47,7 +45,6 @@ properties:
 
     clock-source:
       type: string
-      required: false
       default: "PCLK32M_HFXO"
       description: |
         Clock source to be used by the PDM peripheral. The following options
@@ -66,7 +63,6 @@ properties:
 
     queue-size:
       type: int
-      required: false
       default: 4
       description: |
         Size of the queue of received audio data blocks to be used

dts/bindings/can/can-controller.yaml

@@ -13,26 +13,21 @@ properties:
       description: Resynchronization jump width (ISO 11898-1)
     prop-seg:
       type: int
-      required: false
       description: Time quantums of propagation segment (ISO 11898-1)
     phase-seg1:
       type: int
-      required: false
       description: Time quantums of phase buffer 1 segment (ISO 11898-1)
     phase-seg2:
       type: int
-      required: false
       description: Time quantums of phase buffer 2 segment (ISO 11898-1)
     sample-point:
       type: int
-      required: false
       description: >
         Sample point in permille.
         This param is required if segments are not given.
         If the sample point is given, the segments are ignored.
     phys:
       type: phandle
-      required: false
       description: |
         Actively controlled CAN transceiver.
 

dts/bindings/can/can-fd-controller.yaml

@@ -13,24 +13,19 @@ properties:
       description: Resynchronization jump width for the data phase. (ISO11898-1:2015)
     prop-seg-data:
       type: int
-      required: false
       description: Time quantums of propagation segment for the data phase. (ISO11898-1:2015)
     phase-seg1-data:
       type: int
-      required: false
       description: Time quantums of phase buffer 1 segment for the data phase. (ISO11898-1:2015)
     phase-seg2-data:
       type: int
-      required: false
       description: Time quantums of phase buffer 2 segment for the data phase. (ISO11898-1:2015)
     sample-point-data:
       type: int
-      required: false
       description: >
         Sample point in permille for the data phase.
         This param is required if segments are not given.
         If the sample point is given, the segments are ignored.
     tx-delay-comp-offset:
       type: int
-      required: false
       default: 0

dts/bindings/can/espressif,esp32-twai.yaml

@@ -25,7 +25,6 @@ properties:
 
     clkout-divider:
       type: int
-      required: false
       description: |
         Clock divider for the CLKOUT signal. If not set, the CLKOUT signal is turned off.
 

dts/bindings/can/st,stm32-can.yaml

@@ -22,5 +22,4 @@ properties:
 
     master-can-reg:
       type: int
-      required: false
       description: master can reg when different from current instance

dts/bindings/can/st,stm32-fdcan.yaml

@@ -16,7 +16,6 @@ properties:
 
     clk-divider:
       type: int
-      required: false
       enum:
         - 1
         - 2

dts/bindings/clock/espressif,esp32-rtc.yaml

@@ -18,7 +18,6 @@ properties:
 
     xtal-div:
       type: int
-      required: false
       description: Divisor value for XTAL Clock, CPU_CLK = XTAL_FREQ / xtal-div
 
     "#clock-cells":

dts/bindings/clock/fixed-clock.yaml

@@ -15,7 +15,6 @@ properties:
 
     clocks:
       type: array
-      required: false
       description: input clock source
 
     "#clock-cells":

dts/bindings/clock/intel,adsp-shim-clkctl.yaml

@@ -8,17 +8,14 @@ compatible: "intel,adsp-shim-clkctl"
 properties:
     adsp-clkctl-clk-wovcro:
         type: int
-        required: false
         description: Index of WOVCRO clock encoding in the encoding array (if wovcro-supported is true).
 
     adsp-clkctl-clk-lpro:
         type: int
-        required: false
         description: Index of LPRO clock encoding in the encoding array.
 
     adsp-clkctl-clk-hpro:
         type: int
-        required: false
         description: Index of HPRO clock encoding in the encoding array.
 
     adsp-clkctl-freq-enc:
@@ -28,7 +25,6 @@ properties:
 
     adsp-clkctl-freq-mask:
         type: array
-        required: false
         description: Array that encodes needed masks to enable each clock.
 
     adsp-clkctl-freq-default:

dts/bindings/clock/microchip,xec-pcr.yaml

@@ -21,7 +21,6 @@ properties:
 
     slow-clock-div:
       type: int
-      required: false
       description: |
         PWM and TACH clock domain divided down from 48 MHz AHB clock. The
         default value is 480 for 100 kHz.
@@ -38,7 +37,6 @@ properties:
 
     xtal-single-ended:
       type: boolean
-      required: false
       description: Use single ended crystal connection to XTAL2 pin.
 
     "#clock-cells":

dts/bindings/clock/nordic,nrf-clock.yaml

@@ -16,7 +16,6 @@ properties:
 
     hfclkaudio-frequency:
       type: int
-      required: false
       description: |
         Frequency of the HFCLKAUDIO clock in Hz. Adjustable with 3.3 ppm
         resolution in two frequency bands - 11.176 MHz to 11.402 MHz, and

dts/bindings/clock/nuvoton,npcx-pcc.yaml

@@ -177,7 +177,6 @@ properties:
 
     apb4-prescaler:
         type: int
-        required: false
         description: |
           APB4 prescaler. It sets the APB4 bus frequency, APB4_CLK, by dividing
           OFMCLK(MCLK) and needs to meet the following requirements.
@@ -207,7 +206,6 @@ properties:
           - 10
 
     ram-pd-depth:
-        required: false
         type: int
         enum:
           - 12

dts/bindings/clock/nxp,kinetis-ke1xf-sim.yaml

@@ -13,10 +13,8 @@ properties:
 
     clkout-source:
       type: int
-      required: false
       description: clkout clock source
 
     clkout-divider:
       type: int
-      required: false
       description: clkout divider

dts/bindings/clock/nxp,kinetis-scg.yaml

@@ -14,7 +14,6 @@ properties:
     sosc-mode:
       type: int
       description: system oscillator mode
-      required: false
 
     "#clock-cells":
       const: 1

dts/bindings/clock/nxp,kinetis-sim.yaml

@@ -23,17 +23,14 @@ properties:
 
     clkout-source:
       type: int
-      required: false
       description: clkout clock source
 
     clkout-divider:
       type: int
-      required: false
       description: clkout divider
 
     "#clock-cells":
       type: int
-      required: false
       const: 3
 
 clock-cells:

dts/bindings/clock/st,stm32-hse-clock.yaml

@@ -10,7 +10,6 @@ include: [fixed-clock.yaml]
 properties:
     hse-bypass:
       type: boolean
-      required: false
       description: |
         HSE crystal oscillator bypass
         Set to the property to by-pass the oscillator with an external clock.

dts/bindings/clock/st,stm32-lse-clock.yaml

@@ -23,7 +23,6 @@ properties:
 
     lse-bypass:
       type: boolean
-      required: false
       description: |
         LSE crystal oscillator bypass
         Set the property to by-pass the oscillator with an external clock.

dts/bindings/clock/st,stm32-msi-clock.yaml

@@ -30,7 +30,6 @@ properties:
 
     msi-pll-mode:
       type: boolean
-      required: false
       description: |
         MSI clock PLL enable
         Enables the PLL part of the MSI clock source.

dts/bindings/clock/st,stm32-rcc.yaml

@@ -124,7 +124,6 @@ properties:
 
     undershoot-prevention:
       type: boolean
-      required: false
       description: |
         On some parts, it could be required to set up highest core frequencies
         (>80MHz) in two steps in order to prevent undershoot.

dts/bindings/clock/st,stm32f1-pll-clock.yaml

@@ -36,12 +36,10 @@ properties:
 
     xtpre:
       type: boolean
-      required: false
       description: |
           Otpional HSE divider for PLL entry
 
     usbpre:
       type: int
-      required: false
       description: |
           Otpional HSE divider for PLL entry

dts/bindings/clock/st,stm32f2-pll-clock.yaml

@@ -55,7 +55,6 @@ properties:
 
     div-q:
       type: int
-      required: false
       description: |
           PLL division factor for PLL48CK
           Valid range: 2 - 15

dts/bindings/clock/st,stm32f4-pll-clock.yaml

@@ -57,7 +57,6 @@ properties:
 
     div-q:
       type: int
-      required: false
       description: |
           Main PLL (PLL) division factor for USB OTG FS, SDMMC and random number
           generator clocks.

dts/bindings/clock/st,stm32f7-pll-clock.yaml

@@ -53,7 +53,6 @@ properties:
 
     div-q:
       type: int
-      required: false
       description: |
           PLL division factor for PLL48CK
           Valid range: 2 - 15

dts/bindings/clock/st,stm32g0-pll-clock.yaml

@@ -46,14 +46,12 @@ properties:
 
     div-p:
       type: int
-      required: false
       description: |
           PLL division factor for PLL P output
           Valid range: 2 - 32
 
     div-q:
       type: int
-      required: false
       description: |
           PLL division factor for PLL Q output
           Valid range: 2 - 8

dts/bindings/clock/st,stm32g4-pll-clock.yaml

@@ -46,7 +46,6 @@ properties:
 
     div-p:
       type: int
-      required: false
       description: |
           Main PLL division factor for ADC
           Valid range: 2 - 31

dts/bindings/clock/st,stm32h7-pll-clock.yaml

@@ -50,21 +50,18 @@ properties:
 
     div-p:
       type: int
-      required: false
       description: |
           PLL division factor for pllx_p_ck
           Valid range: 1 - 128
 
     div-q:
       type: int
-      required: false
       description: |
           PLL division factor for pllx_q_ck
           Valid range: 1 - 128
 
     div-r:
       type: int
-      required: false
       description: |
           PLL division factor for pllx_r_ck
           Valid range: 1 - 128

dts/bindings/clock/st,stm32l4-pll-clock.yaml

@@ -50,7 +50,6 @@ properties:
 
     div-p:
       type: int
-      required: false
       description: |
           Main PLL division factor for PLLSAI3CLK
       enum:
@@ -59,7 +58,6 @@ properties:
 
     div-q:
       type: int
-      required: false
       description: |
           Main PLL division factor for PLL48M1CLK (48 MHz clock).
       enum:

dts/bindings/clock/st,stm32u5-pll-clock.yaml

@@ -53,14 +53,12 @@ properties:
 
     div-p:
       type: int
-      required: false
       description: |
           PLLx DIVP division factor
           Valid range: 1 - 128
 
     div-q:
       type: int
-      required: false
       description: |
           PLLx DIVQ division factor
           Valid range: 1 - 128

dts/bindings/clock/st,stm32wb-pll-clock.yaml

@@ -51,14 +51,12 @@ properties:
 
     div-p:
       type: int
-      required: false
       description: |
           Main PLL division factor for PLLPCLK
           Valid range: 2 - 32
 
     div-q:
       type: int
-      required: false
       description: |
           Main PLL division factor for PLLQCLK
           Valid range: 2 - 8

dts/bindings/clock/st,stm32wl-hse-clock.yaml

@@ -10,14 +10,12 @@ include: [fixed-clock.yaml]
 properties:
     hse-tcxo:
       type: boolean
-      required: false
       description: |
         When set, TCXO is selected as external source clock for HSE.
         Otherwise, external cyrstal is selected as HSE source clock.
 
     hse-div2:
       type: boolean
-      required: false
       description: |
         When set HSE output clock is divided by 2.
         Otherwise, no prescaler is used.

dts/bindings/clock/st,stm32wl-rcc.yaml

@@ -16,7 +16,6 @@ include:
 properties:
     cpu2-prescaler:
       type: int
-      required: false
       enum:
         - 1
         - 2

dts/bindings/coredump/zephyr,coredump.yaml

@@ -10,7 +10,6 @@ description: Pseudo-device to help capturing desired data into core dumps
 properties:
     memory-regions:
       type: array
-      required: false
       description: Start address and size of memory regions to be collected in a core dump
 
     coredump-type:

dts/bindings/counter/espressif,esp32-timer.yaml

@@ -52,6 +52,5 @@ properties:
         forced to 2.
       type: int
       default: 2
-      required: false
 
 compatible: "espressif,esp32-timer"

dts/bindings/counter/nxp,imx-tmr.yaml

@@ -58,7 +58,6 @@ properties:
 
   secondary_source:
     type: string
-    required: false
     description: Secondary source of the timer, see qtmr_input_source_t enumerator type
       of the MCUXpresso SDK
     enum:
@@ -69,15 +68,12 @@ properties:
 
   filter_count:
     type: int
-    required: false
     description: Fault filter count (0-255).
 
   filter_period:
     type: int
-    required: false
     description: Fault filter period (0-255).
 
   freq:
     type: int
-    required: false
     description: clock frequency (only used for external clock sources)

dts/bindings/cpu/cdns,tensilica-xtensa-lx6.yaml

@@ -11,4 +11,3 @@ properties:
     clock-source:
       type: int
       description: cpu clock source
-      required: false

dts/bindings/cpu/cdns,tensilica-xtensa-lx7.yaml

@@ -11,4 +11,3 @@ properties:
     clock-source:
       type: int
       description: cpu clock source
-      required: false

dts/bindings/cpu/cpu.yaml

@@ -8,17 +8,13 @@ include: base.yaml
 properties:
     clock-frequency:
       type: int
-      required: false
       description: Clock frequency in Hz
     cpu-power-states:
        type: phandles
-       required: false
        description: List of power management states supported by this cpu
     i-cache-line-size:
       type: int
-      required: false
       description: i-cache line size
     d-cache-line-size:
       type: int
-      required: false
       description: d-cache line size

dts/bindings/cpu/espressif,riscv.yaml

@@ -11,4 +11,3 @@ properties:
     clock-source:
       type: int
       description: cpu clock source
-      required: false

dts/bindings/dac/atmel,sam-dac.yaml

@@ -21,7 +21,6 @@ properties:
 
     prescaler:
       type: int
-      required: false
       default: 15
       description: |
         Peripheral Clock to DAC Clock Ratio. Prescaler value is calcuated as

dts/bindings/dac/atmel,sam0-dac.yaml

@@ -21,7 +21,6 @@ properties:
 
     reference:
       type: string
-      required: false
       description: Reference voltage source
       enum:
         - "intref"

dts/bindings/dac/gd,gd32-dac.yaml

@@ -26,7 +26,6 @@ properties:
       type: int
       default: 0
       description: Reset value of DAC output. Defaults to 0, the SoC default.
-      required: false
 
     "#io-channel-cells":
       const: 1

dts/bindings/dac/microchip,mcp4728.yaml

@@ -31,7 +31,6 @@ properties:
 
     gain:
       type: array
-      required: false
       default: [0, 0, 0, 0]
       description: |
         Gain selection bit.

dts/bindings/dac/nxp,kinetis-dac.yaml

@@ -18,7 +18,6 @@ properties:
 
     low-power-mode:
       type: boolean
-      required: false
       description: Enable low-power mode
 
     "#io-channel-cells":

dts/bindings/dac/nxp,kinetis-dac32.yaml

@@ -18,12 +18,10 @@ properties:
 
     low-power-mode:
       type: boolean
-      required: false
       description: Enable low-power mode
 
     buffered:
       type: boolean
-      required: false
       description: Enable output buffer
 
     "#io-channel-cells":

dts/bindings/debug/arm,itm.yaml

@@ -9,5 +9,4 @@ include: [base.yaml, pinctrl-device.yaml]
 properties:
     swo-ref-frequency:
       type: int
-      required: false
       description: Reference clock frequency for SWO if different than CPU clock.

dts/bindings/display/ftdi,ft800.yaml

@@ -10,7 +10,6 @@ include: spi-device.yaml
 properties:
     irq-gpios:
       type: phandle-array
-      required: false
       description: Optional IRQ line of FT800 controller
 
     pclk:

dts/bindings/display/ilitek,ili9xxx-common.yaml

@@ -9,7 +9,6 @@ include: [spi-device.yaml, display-controller.yaml]
 properties:
     reset-gpios:
       type: phandle-array
-      required: false
       description: RESET pin.
 
         The RESET pin of ILI9340 is active low.

dts/bindings/display/maxim,max7219.yaml

@@ -11,7 +11,6 @@ include: spi-device.yaml
 properties:
     scan-limit:
       type: int
-      required: false
       default: 7
       enum:
         - 0
@@ -28,7 +27,6 @@ properties:
         scan-limit is 1, and so on.
     intensity:
       type: int
-      required: false
       default: 0
       enum:
         - 0
@@ -50,6 +48,5 @@ properties:
       description: Intensity for MAX7219.
     num-cascading:
       type: int
-      required: false
       default: 1
       description: Number of cascading MAX7219.

dts/bindings/display/nordic,nrf-led-matrix.yaml

@@ -58,7 +58,6 @@ properties:
 
     pwm:
       type: phandle
-      required: false
       description: |
         Reference to a PWM instance for generating pulse signals on column
         GPIOs. If not provided, GPIOTE and PPI channels are allocated and

dts/bindings/display/raydium,rm68200.yaml

@@ -13,14 +13,12 @@ include: [mipi-dsi-device.yaml, display-controller.yaml]
 properties:
     reset-gpios:
       type: phandle-array
-      required: false
       description: |
         The RESETn pin is asserted to disable the sensor causing a hard
         reset.  The sensor receives this as an active-low signal.
 
     bl-gpios:
       type: phandle-array
-      required: false
       description: |
         The BLn pin is asserted to control the backlight of the panel.
         The sensor receives this as an active-high signal.

dts/bindings/display/sharp,ls0xx.yaml

@@ -10,7 +10,6 @@ include: [spi-device.yaml, display-controller.yaml]
 properties:
     extcomin-gpios:
       type: phandle-array
-      required: false
       description: EXTCOMIN pin
 
         The EXTCOMIN pin is where a square pulse for toggling VCOM will
@@ -18,7 +17,6 @@ properties:
 
     extcomin-frequency:
       type: int
-      required: false
       description: EXTCOMIN pin toggle frequency
 
         The frequency with which the EXTCOMIN pin should be toggled. See
@@ -27,7 +25,6 @@ properties:
 
     disp-en-gpios:
       type: phandle-array
-      required: false
       description: DISPLAY pin
 
         The DISPLAY pin controls if the LCD displays memory contents or

dts/bindings/display/sitronix,st7789v.yaml

@@ -11,7 +11,6 @@ include: [spi-device.yaml, display-controller.yaml]
 properties:
     reset-gpios:
       type: phandle-array
-      required: false
       description: |
         RESET pin.
 
@@ -21,7 +20,6 @@ properties:
 
     cmd-data-gpios:
       type: phandle-array
-      required: false
       description: |
         D/CX pin. If configured, 4-lines serial interface is used, otherwise
         3-lines serial interface is used and a D/CX bit (9-bit) is added to
@@ -53,12 +51,10 @@ properties:
 
     vrhs:
       type: int
-      required: false
       description: VRH Setting
 
     vdvs:
       type: int
-      required: false
       description: VDV Setting
 
     mdac:

dts/bindings/display/solomon,ssd1306fb-common.yaml

@@ -26,17 +26,14 @@ properties:
 
     segment-remap:
       type: boolean
-      required: false
       description: Last column address is mapped to first segment
 
     com-invdir:
       type: boolean
-      required: false
       description: Scan direction is from last COM output to first COM output
 
     com-sequential:
       type: boolean
-      required: false
       description: Sequential COM pin configuration
 
     prechargep:
@@ -46,7 +43,6 @@ properties:
 
     reset-gpios:
       type: phandle-array
-      required: false
       description: RESET pin.
 
         The RESET pin of SSD1306 is active low.

dts/bindings/display/solomon,ssd16xxfb.yaml

@@ -20,32 +20,26 @@ properties:
 
     gdv:
       type: uint8-array
-      required: false
       description: Gate driving voltage values
 
     sdv:
       type: uint8-array
-      required: false
       description: Source driving voltage values
 
     vcom:
       type: int
-      required: false
       description: VCOM voltage
 
     border-waveform:
       type: int
-      required: false
       description: Border waveform
 
     softstart:
       type: uint8-array
-      required: false
       description: Booster soft start values
 
     orientation-flipped:
       type: boolean
-      required: false
       description: Last column address is mapped to first segment
 
     reset-gpios:
@@ -77,7 +71,6 @@ properties:
 
     lut-initial:
       type: uint8-array
-      required: false
       description: |
         Initial LUT used when initializing the device and performing
         clearing the screen using a full refresh operation. The
@@ -86,11 +79,9 @@ properties:
 
     lut-default:
       type: uint8-array
-      required: false
 
     tssv:
       type: int
-      required: false
       description: Temperature Sensor Selection Value
 
         Display controller can have integrated temperature sensor or
@@ -99,10 +90,8 @@ properties:
 
     dummy-line:
       type: int
-      required: false
       description: Dummy line period override.
 
     gate-line-width:
       type: int
-      required: false
       description: Gate line width override.

dts/bindings/display/st,stm32-ltdc.yaml

@@ -10,21 +10,18 @@ include: [display-controller.yaml,  pinctrl-device.yaml]
 properties:
     disp-on-gpios:
       type: phandle-array
-      required: false
       description: |
         Display on/off GPIO pin.
         Configure the GPIO polarity (active high/active low) according to LCD datasheet.
 
     bl-ctrl-gpios:
       type: phandle-array
-      required: false
       description: |
         Backlight on/off GPIO pin.
         Configure the GPIO polarity (active high/active low) according to LCD datasheet.
 
     ext-sdram:
       type: phandle
-      required: false
       description: |
         External SDRAM in which frame buffer will be stored.
         If not defined, internal RAM will be used.
@@ -102,15 +99,12 @@ properties:
 
     def-back-color-red:
       type: int
-      required: false
       description: Default display background color - red
 
     def-back-color-green:
       type: int
-      required: false
       description: Default display background color - green
 
     def-back-color-blue:
       type: int
-      required: false
       description: Default display background color - blue

dts/bindings/display/ultrachip,uc81xx-common.yaml

@@ -36,7 +36,6 @@ properties:
 
     softstart:
       type: uint8-array
-      required: false
       description: Booster Soft Start (BTST) values
 
 child-binding:
@@ -63,57 +62,46 @@ child-binding:
   properties:
     pwr:
       type: uint8-array
-      required: false
       description: Power Setting (PWR) values
 
     cdi:
       type: int
-      required: false
       description: |
         VCOM and data interval value. This value is optional but must
         be provided to enable border refresh control.
 
     tcon:
       type: int
-      required: false
       description: TCON setting value
 
     pll:
       type: int
-      required: false
       description: PLL / frame rate control
 
     vdcs:
       type: int
-      required: false
       description: VCOM DC settings
 
     lutc:
       type: uint8-array
-      required: false
       description: VCOM LUT
 
     lutww:
       type: uint8-array
-      required: false
       description: White-to-white LUT
 
     lutkw:
       type: uint8-array
-      required: false
       description: Black-to-white LUT
 
     lutwk:
       type: uint8-array
-      required: false
       description: White-to-black LUT
 
     lutkk:
       type: uint8-array
-      required: false
       description: White-to-black LUT
 
     lutbd:
       type: uint8-array
-      required: false
       description: Border LUT

dts/bindings/dma/brcm,iproc-pax-dma-v1.yaml

@@ -29,7 +29,6 @@ properties:
     interrupts:
       type: array
       description: Ring manager line interrupt number
-      required: false
     pcie-ep:
       type: phandle
       description: Pcie endpoint handle

dts/bindings/dma/brcm,iproc-pax-dma-v2.yaml

@@ -29,7 +29,6 @@ properties:
     interrupts:
       type: array
       description: Ring manager line interrupt number
-      required: false
     pcie-ep:
       type: phandle
       description: Pcie endpoint handle

dts/bindings/dma/dma-controller.yaml

@@ -15,7 +15,6 @@ properties:
 
     dma-channel-mask:
       type: int
-      required: false
       description: |
         Bitmask of available DMA channels in ascending order that are
         not reserved by firmware and are available to the
@@ -23,15 +22,12 @@ properties:
 
     dma-channels:
       type: int
-      required: false
       description: Number of DMA channels supported by the controller
 
     dma-requests:
       type: int
-      required: false
       description: Number of DMA request signals supported by the controller.
 
     dma-buf-alignment:
       type: int
-      required: false
       description: Memory alignment requirement for DMA buffers used by the controller.

dts/bindings/dma/dmamux-controller.yaml

@@ -20,7 +20,6 @@ properties:
 
     dma-generators:
       type: int
-      required: false
       description: Number of DMAMUX Request generator supported by the controller
 
     dma-requests:

dts/bindings/dma/st,stm32-dma.yaml

@@ -24,12 +24,10 @@ properties:
 
     st,mem2mem:
       type: boolean
-      required: false
       description: If the DMA controller V1 supports memory to memory transfer
 
     dma-offset:
       type: int
-      required: false
       description: |
         offset in the table of channels when mapping to a DMAMUX
         for 1st dma instance, offset is 0,

dts/bindings/dsa/microchip,ksz8794.yaml

@@ -10,7 +10,6 @@ include: [microchip_dsa.yaml]
 properties:
     workaround:
         type: int
-        required: false
         description: |
           Define the applied workaround for the switch used for
           short connections. Use bitmask to select the workaround or more
@@ -19,7 +18,6 @@ properties:
           0x04: 2) CAT-5E/6 Short Cable with a Link Issue for the KSZ8795 Family
     mii-lowspeed-drivestrength:
         type: int
-        required: false
         description: |
           Define the Low-Speed Interface Drive Strength for MII and RMMI
           Supported values 2,4,8,12,16,20,24,28mA

dts/bindings/dsa/microchip_dsa.yaml

@@ -8,27 +8,22 @@ include: [spi-device.yaml]
 properties:
     dsa-master-port:
        type: phandle
-       required: false
        description: Phandle to master port.
     dsa-slave-ports:
        type: int
-       required: false
        description: Number of slave ports on the switch
     spi-cpha:
        type: boolean
-       required: false
        description: |
           Set to indicate phase starts with asserted half-phase (CPHA=1).
           For this driver using this property requires also using cpol.
     spi-cpol:
         type: boolean
-        required: false
         description: |
           Set to indicate clock leading edge is falling (CPOL=1).
           For this driver using this property requires also using cpha.
     reset-gpios:
         type: phandle-array
-        required: false
         description: |
           The pin is asserted for 10ms during boot to reset the KSZ8794.
 
@@ -37,6 +32,5 @@ child-binding:
     properties:
         local-mac-address:
             type: uint8-array
-            required: false
             description: |
               Specifies the MAC address that was assigned to the port

dts/bindings/edac/intel,ibecc.yaml

@@ -6,7 +6,3 @@ description: EDAC In-Band Error Correcting Code (IBECC)
 compatible: "intel,ibecc"
 
 include: base.yaml
-
-properties:
-    reg:
-      required: false

dts/bindings/espi/microchip,xec-espi-host-dev.yaml

@@ -13,12 +13,6 @@ properties:
     reg:
       required: true
 
-    interrupts:
-      required: false
-
-    interrupt-names:
-      required: false
-
     ldn:
       type: int
       required: true
@@ -26,18 +20,15 @@ properties:
 
     girqs:
       type: array
-      required: false
       description: array of GIRQ and bit positions
 
     pcrs:
       type: array
-      required: false
       description: PCR sleep register index and bit position
 
 # optional properties application to different host facing devices
     host-io:
       type: int
-      required: false
       description: |
         Logical device Host I/O (x86) base. Refer to SoC documentation for the
         number of I/O decoders implemented by a device (1 or 2) and the fixed
@@ -45,7 +36,6 @@ properties:
 
     host-io-addr-mask:
       type: int
-      required: false
       description: |
         Host I/O address mask. This value is fixed for all HW and is only
         used by Port80 BIOS debug alias device to specify the byte lane the
@@ -53,7 +43,6 @@ properties:
 
     host-mem:
       type: int
-      required: false
       description: |
         Logical device Host memory (x86) base address. Refer to SoC
         documentation for which logical devices implement a memory decoder
@@ -61,7 +50,6 @@ properties:
 
     emi-mems:
       type: array
-      required: false
       description: |
         Each EMI host device supports Host access to two SoC data memory
         regions. Each region requires three configuration parameters:

dts/bindings/espi/microchip,xec-espi-saf-v2.yaml

@@ -26,27 +26,22 @@ properties:
     poll-timeout:
       type: int
       description: poll flash busy timeout in 32KHz periods
-      required: false
 
     poll-interval:
       type: int
       description: interval between flash busy poll in 20 ns units
-      required: false
 
     consec-rd-timeout:
       type: int
       description: timeout after last read to resume supended operations in 20 ns units
-      required: false
 
     sus-chk-delay:
       type: int
       description: hold off poll after suspend in 20 ns units
-      required: false
 
     sus-rsm-interval:
       type: int
       description: force suspended erase or program to resume in 32KHz periods
-      required: false
 
     "#girq-cells":
       type: int

dts/bindings/espi/microchip,xec-espi-saf.yaml

@@ -16,29 +16,23 @@ properties:
     io_girq:
       type: int
       description: soc group irq index for eSPI I/O
-      required: false
 
     poll_timeout:
       type: int
       description: poll flash busy timeout in 32KHz periods
-      required: false
 
     poll_interval:
       type: int
       description: interval between flash busy poll in 20 ns units
-      required: false
 
     consec_rd_timeout:
       type: int
       description: timeout after last read to resume supended operations in 20 ns units
-      required: false
 
     sus_chk_delay:
       type: int
       description: hold off poll after suspend in 20 ns units
-      required: false
 
     sus_rsm_interval:
       type: int
       description: force suspended erase or program to resume in 32KHz periods
-      required: false

dts/bindings/espi/microchip,xec-espi-vw-routing.yaml

@@ -17,7 +17,6 @@ child-binding:
 
        vw-girq:
         type: array
-        required: false
         description: |
             Routing of MSVW source to aggregated GIRQs
 

dts/bindings/ethernet/ethernet,fixed-link.yaml

@@ -14,5 +14,4 @@ child-binding:
             - 10
        full-duplex:
           type: boolean
-          required: false
           description: The fixed link operates in full duplex mode

dts/bindings/ethernet/ethernet-phy.yaml

@@ -20,11 +20,9 @@ properties:
       description: MDIO driver node
     no-reset:
       type: boolean
-      required: false
       description: Do not reset the PHY during initialization
     fixed-link:
       type: string
-      required: false
       description: This link is fixed and does not require PHY configuration
       enum:
         - "10BASE-T Half-Duplex"

dts/bindings/ethernet/ethernet.yaml

@@ -8,11 +8,9 @@ include: base.yaml
 properties:
     local-mac-address:
       type: uint8-array
-      required: false
       description: Specifies the MAC address that was assigned to the network device
     zephyr,random-mac-address:
       type: boolean
-      required: false
       description: |
         Use a random MAC address generated when the driver is initialized.
         Note that using this choice and rebooting a board may leave stale

dts/bindings/ethernet/nxp,kinetis-ethernet.yaml

@@ -18,10 +18,8 @@ properties:
       required: true
     reset-gpios:
       type: phandle-array
-      required: false
       description: GPIO to reset PHY. Reset signal is assumed active low.
     int-gpios:
       type: phandle-array
-      required: false
       description:
         interrupt GPIO for PHY. Will be pulled high before reset is asserted.

dts/bindings/ethernet/wiznet,w5500.yaml

@@ -18,7 +18,6 @@ properties:
         as active low.
     reset-gpios:
       type: phandle-array
-      required: false
       description: Reset pin.
 
         The reset pin of W5500 is active low.

dts/bindings/ethernet/xlnx,gem.yaml

@@ -41,7 +41,6 @@ properties:
 
     init-mdio-phy:
       type: boolean
-      required: false
       description: |
         Activates the management of a PHY associated with the controller in-
         stance. If this parameter is activated at the board level, the de-
@@ -83,7 +82,6 @@ properties:
 
     advertise-lower-link-speeds:
       type: boolean
-      required: false
       description: |
         Indicates to a driver instance which manages an associated PHY on
         the MDIO bus to include link speeds lower than the nominal value
@@ -92,7 +90,6 @@ properties:
 
     handle-rx-in-isr:
       type: boolean
-      required: false
       description: |
         Moves the handling of the frame received interrupt including the
         transfer of packet data from the DMA to network packet buffers and
@@ -104,7 +101,6 @@ properties:
 
     handle-tx-in-workq:
       type: boolean
-      required: false
       description: |
         Moves the handling of the frame transmission done interrupt into the
         context of the system work queue. By default, TX done handling is per-
@@ -153,7 +149,6 @@ properties:
 
     hw-tx-buffer-size-full:
       type: boolean
-      required: false
       description: |
         When set, the hardware TX data buffer will make use of the full 4 kB
         that are available. If unset, the hardware TX data buffer will be
@@ -189,7 +184,6 @@ properties:
 
     ignore-ipg-rxer:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Ignore IPG rx_er. When set, rx_er has no
         effect on the GEM's operation when rx_dv is low. Set this when using
@@ -197,14 +191,12 @@ properties:
 
     disable-reject-nsp:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Receive bad preamble. When set, frames with
         non-standard preamble will not be rejected.
 
     ipg-stretch:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable IPG stretch. When set, the transmit
         IPG can be increased above 96 bit times depending on the previous
@@ -212,7 +204,6 @@ properties:
 
     sgmii-mode:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable SGMII mode. Changes the behaviour of
         the auto-negotiation advertisement and link partner ability registers
@@ -221,7 +212,6 @@ properties:
 
     disable-reject-fcs-crc-errors:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Disable rejection of FCS/CRC errors.
         When set, frames with FCS/CRC errors will not be rejected. FCS error
@@ -231,14 +221,12 @@ properties:
 
     rx-halfdup-while-tx:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable frames to be received in half-duplex
         mode while transmitting.
 
     rx-checksum-offload:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable RX IP/TCP/UDP checksum offload to
         hardware. Frames with bad IP, TCP or UDP checksums will be discarded.
@@ -246,7 +234,6 @@ properties:
 
     tx-checksum-offload:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable TX IP/TCP/UDP checksum offload to
         hardware. This option is NOT supported by the QEMU implementation
@@ -254,7 +241,6 @@ properties:
 
     disable-pause-copy:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Do not copy received pause frames to memory.
         Set this option in order to prevent valid pause frames from being
@@ -267,7 +253,6 @@ properties:
 
     discard-rx-fcs:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Remove FCS of received frames.
         When set, received frames will be written to memory without their
@@ -276,7 +261,6 @@ properties:
 
     discard-rx-length-errors:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Discard frames with length field errors.
         When set, frames with a measured length shorter than the extracted
@@ -286,7 +270,6 @@ properties:
 
     pause-frame:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable pause. When set, transmission will
         pause if a non zero 802.3 classic pause frame is received and PFC
@@ -294,28 +277,24 @@ properties:
 
     tbi:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable TBI. When set, the TBI interface is en-
         bled instead of the GMII/MII interface.
 
     ext-address-match:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable external address match. When set, the
         external address match interface can be used to copy frames to memory.
 
     long-frame-rx-support:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable reception of 1536 byte frames.
         Normally, the GEM rejects any frame above 1518 bytes.
 
     unicast-hash:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable unicast hash. When set, unicast frames
         will be accepted when the 6 bit hash function of the destination
@@ -323,7 +302,6 @@ properties:
 
     multicast-hash:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable multicast hash. When set, mutlicast
         frames will be accepted when the 6 bit hash function of the desti-
@@ -331,47 +309,40 @@ properties:
 
     reject-broadcast:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Reject broadcast frames. When set, frames
         addressed to the all-ones broadcast address will be rejected.
 
     promiscuous-mode:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable promiscuous mode. When set, all valid
         frames will be accepted.
 
     discard-non-vlan:
       type: boolean
-      required: false
       description: Optional feature flag - Discard non-VLAN frames. When set,
         only VLAN tagged frames will be passed to the address matching logic.
 
     full-duplex:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enables full duplex reception and transmission.
 
     discard-rx-frame-ahb-unavail:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Discard received packets when no AHB resource
         is available.
 
     ahb-packet-endian-swap:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable AHB packet data endianness swap to big
         endian. If this flag is not set, data will be little endian.
 
     ahb-md-endian-swap:
       type: boolean
-      required: false
       description: |
         Optional feature flag - Enable AHB management descriptor data endian-
         ness swap to big endian. If this flag is not set, data will be little

dts/bindings/flash_controller/nordic,nrf-qspi.yaml

@@ -40,7 +40,6 @@ properties:
   sck-pin:
     type: int
     deprecated: true
-    required: false
     description: |
       IMPORTANT: This option will only be used if the new pin control driver
       is not enabled.
@@ -58,7 +57,6 @@ properties:
           sck-pin = <34>;  /* 32 + 2 */
   io-pins:
     type: array
-    required: false
     description: |
       IMPORTANT: This option will only be used if the new pin control driver
       is not enabled.
@@ -76,7 +74,6 @@ properties:
       sck-pin property's.
   csn-pins:
     type: array
-    required: false
     description: |
       IMPORTANT: This option will only be used if the new pin control driver
       is not enabled.

dts/bindings/flash_controller/st,stm32-ospi-nor.yaml

@@ -34,7 +34,6 @@ properties:
       description: Flash Memory size in bits
     reset-gpios:
       type: phandle-array
-      required: false
       description: RESETn pin
     spi-bus-width:
       type: int
@@ -66,7 +65,6 @@ properties:
         - 2
     writeoc:
       type: string
-      required: false
       enum:
         - "PP"            # Page program, PP (0x02) up to 256 bytes
         - "PP_1_1_2"      # Dual page program, PP 1-1-2 (0xA2)
@@ -90,7 +88,6 @@ properties:
         * OSPI_QUAD_MODE -> PP 1-4-4 (0x38)
     four-byte-opcodes:
       type: boolean
-      required: false
       description: |
         Some NOR-Flash ICs use different opcodes when operating in
         4 byte addressing mode.

dts/bindings/flash_controller/st,stm32-qspi-nor.yaml

@@ -35,29 +35,23 @@ properties:
       description: Flash Memory size in bits
     reset-gpios:
       type: phandle-array
-      required: false
       description: RESETn pin
     reset-gpios-duration:
       type: int
-      required: false
       description: The duration (in ms) for the flash memory reset pulse
     reset-cmd:
       type: boolean
-      required: false
       description: Send reset command on initialization
     reset-cmd-wait:
       type: int
       default: 10
-      required: false
       description: The duration (in us) to wait after reset command
     spi-bus-width:
       type: int
-      required: false
       description: The width of (Q)SPI bus to which flash memory is connected.
                    Now only value of 4 (when using SIO[0123]) is supported.
     writeoc:
       type: string
-      required: false
       enum:
         - "PP_1_1_4"      # Quad data line SPI, PP 1-1-4 (0x32)
         - "PP_1_4_4"      # Quad data line SPI, PP 1-4-4 (0x38)

dts/bindings/flash_controller/st,stm32wb-flash-controller.yaml

@@ -8,9 +8,7 @@ properties:
     single-bank:
       type: boolean
       description: dual-bank mode not enabled (page erase 4096k)
-      required: false
 
     dual-bank:
       type: boolean
       description: dual-bank mode enabled (page erase 2048k)
-      required: false

dts/bindings/flash_controller/zephyr,sim-flash.yaml

@@ -10,4 +10,3 @@ properties:
     erase-value:
       type: int
       description: Value of erased flash cell
-      required: false

dts/bindings/gpio/gpio-controller.yaml

@@ -14,7 +14,6 @@ properties:
       description: Number of items to expect in a GPIO specifier
     ngpios:
       type: int
-      required: false
       default: 32
       description: |
           This property indicates the number of in-use slots of available slots
@@ -28,7 +27,6 @@ properties:
           holes in the slot range, this value should be the max slot number-1.
     gpio-reserved-ranges:
       type: array
-      required: false
       description: |
           If not all the GPIOs at offsets 0...N-1 are usable for ngpios = <N>, then
           this property contains an additional set of tuples which specify which GPIOs
@@ -39,7 +37,6 @@ properties:
           GPIO offsets 3, 4, and 10 are not usable, even if ngpios = <18>.
     gpio-line-names:
       type: string-array
-      required: false
       description: |
           This is an array of strings defining the names of the GPIO lines
           going out of the GPIO controller

dts/bindings/gpio/gpio-nexus.yaml

@@ -10,11 +10,9 @@ properties:
 
     gpio-map-mask:
       type: compound
-      required: false
 
     gpio-map-pass-thru:
       type: compound
-      required: false
 
     "#gpio-cells":
       type: int

dts/bindings/gpio/microchip,mpfs-gpio.yaml

@@ -11,9 +11,6 @@ properties:
     reg:
       required: true
 
-    interrupts:
-      required: false
-
     "#gpio-cells":
       const: 2
 

dts/bindings/gpio/microchip,xec-gpio-v2.yaml

@@ -11,9 +11,6 @@ properties:
     reg:
       required: true
 
-    interrupts:
-      required: false
-
     port-id:
       type: int
       required: true

dts/bindings/gpio/microchip,xec-gpio.yaml

@@ -11,9 +11,6 @@ properties:
     reg:
       required: true
 
-    interrupts:
-      required: false
-
     port-id:
       type: int
       required: true

dts/bindings/gpio/nordic,nrf-gpio.yaml

@@ -15,7 +15,6 @@ properties:
       const: 2
 
     sense-edge-mask:
-      required: false
       type: int
       description: |
         Mask of pins that use the GPIO sense mechanism for edge detection.

dts/bindings/gpio/nuvoton,nct38xx-gpio-port.yaml

@@ -23,7 +23,6 @@ properties:
 
     pinmux_mask:
       type: int
-      required: false
       description: |
         NCT38XX series port 0 has Pin Multiplexing functionality. However, not
         every GPIOs have pinmux controller functionality. This property

dts/bindings/gpio/nuvoton,npcx-gpio.yaml

@@ -30,7 +30,6 @@ properties:
 
     lvol-maps:
         type: phandles
-        required: false
         description: |
             Mapping table between Low-Voltage controllers and 8 IOs belong to
             this device. Please notice not all IOs support Low-Voltage detection.

dts/bindings/gpio/nxp,imx-gpio.yaml

@@ -11,17 +11,12 @@ properties:
     reg:
       required: true
 
-    interrupts:
-      required: false
-
     rdc:
      type: int
-     required: false
      description: Set the RDC permission for this peripheral
 
     pinmux:
       type: phandles
-      required: false
       description: |
         IMX pin selection peripheral does not follow specific
         pattern for which GPIO port uses which pinmux. Use this property to specify