Commit 53f2ccf2 authored by TLIG Dhaou's avatar TLIG Dhaou Committed by Kumar Gala
Browse files

dts: bindings: serial: Add common bindings for STM32 serial driver. 



There are 3 bindings for STM32 serial driver:
st,stm32-uart.yaml
st,stm32-usart.yaml
st,stm32-lpuart.yaml
Add a common st,stm32-uart-base.yaml that would be included by these
3 bindings an would group common properties.


Signed-off-by: default avatarTLIG Dhaou <dhaou.tlig-ext@st.com>
parent 4f84bc8f

dts/bindings/serial/st,stm32-lpuart.yaml

+1 −31
Original line number Diff line number Diff line
@@ -2,34 +2,4 @@ description: STM32 LPUART 


compatible: "st,stm32-lpuart"



include: [uart-controller.yaml, pinctrl-device.yaml]



properties:

    reg:

      required: true



    interrupts:

      required: true



    clocks:

      required: true



    tx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of tx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    rx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of rx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    pinctrl-0:

      required: true



    pinctrl-names:

      required: true
 
include: st,stm32-uart-base.yaml

dts/bindings/serial/st,stm32-uart-base.yaml

0 → 100644
+48 −0
Original line number Diff line number Diff line 
# Copyright (c) 2020 STMICROELECTRONICS

# SPDX-License-Identifier: Apache-2.0



# Common fields for STM32 UART peripherals.

description: STM32 UART-BASE



compatible: "st,stm32-uart-base"



include: [uart-controller.yaml, pinctrl-device.yaml]



properties:

    reg:

      required: true



    clocks:

      required: true



    interrupts:

      required: true



    single-wire:

      type: boolean

      required: false

      description: |

        Enable the single wire half-duplex communication.

        Using this mode, TX and RX lines are internally connected and

        only TX pin is used afterwards and should be configured.

        RX/TX conflicts must be handled on user side.



    tx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of tx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    rx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of rx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    pinctrl-0:

      required: true



    pinctrl-names:

      required: true

dts/bindings/serial/st,stm32-uart.yaml

+1 −37
Original line number Diff line number Diff line
@@ -2,40 +2,4 @@ description: STM32 UART 


compatible: "st,stm32-uart"



include: [uart-controller.yaml, pinctrl-device.yaml]



properties:

    reg:

      required: true



    interrupts:

      required: true



    single-wire:

      type: boolean

      required: false

      description: |

        Enable the single wire half-duplex communication.

        Using this mode, TX and RX lines are internally connected and

        only TX pin is used afterwards and should be configured.

        RX/TX conflicts must be handled on user side.



    tx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of tx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    rx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of rx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    pinctrl-0:

      required: true



    pinctrl-names:

      required: true
 
include: st,stm32-uart-base.yaml

dts/bindings/serial/st,stm32-usart.yaml

+1 −43
Original line number Diff line number Diff line
@@ -2,46 +2,4 @@ description: STM32 USART 


compatible: "st,stm32-usart"



include: [uart-controller.yaml, pinctrl-device.yaml]



properties:

    reg:

      required: true



    interrupts:

      required: true



    single-wire:

      type: boolean

      required: false

      description: |

        Enable the single wire half-duplex communication.

        Using this mode, TX and RX lines are internally connected and

        only TX pin is used afterwards and should be configured.

        RX/TX conflicts must be handled on user side.



    tx-rx-swap:

      type: boolean

      required: false

      description: |

        Swap the TX and RX pins. Used in case of a cross-wired connection.



    tx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of tx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    rx-invert:

      type: boolean

      required: false

      description: |

        Invert the binary logic of rx pin. When enabled, physical logic levels are inverted and

        we use 1=Low, 0=High instead of 1=High, 0=Low.



    pinctrl-0:

      required: true



    pinctrl-names:

      required: true
 
include: st,stm32-uart-base.yaml

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