From: Rob Herring <robh@kernel.org>
To: Martin Devera <devik@eaxlabs.cz>
Cc: linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Jiri Slaby <jirislaby@kernel.org>, Le Ray <erwan.leray@st.com>,
fabrice.gasnier@foss.st.com, linux-serial@vger.kernel.org,
devicetree@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 1/2] dt-bindings: serial: Add rx-tx-swap to stm32-usart
Date: Mon, 8 Mar 2021 12:20:40 -0700 [thread overview]
Message-ID: <20210308192040.GA2807217@robh.at.kernel.org> (raw)
In-Reply-To: <20210302190303.28630-1-devik@eaxlabs.cz>
On Tue, Mar 02, 2021 at 08:03:02PM +0100, Martin Devera wrote:
> Add new rx-tx-swap property to allow for RX & TX pin swapping.
>
> Signed-off-by: Martin Devera <devik@eaxlabs.cz>
> ---
> .../devicetree/bindings/serial/st,stm32-uart.yaml | 32 +++++++++++++++-------
> 1 file changed, 22 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> index 8631678283f9..6eab2debebb5 100644
> --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> @@ -9,9 +9,6 @@ maintainers:
>
> title: STMicroelectronics STM32 USART bindings
>
> -allOf:
> - - $ref: rs485.yaml
> -
> properties:
> compatible:
> enum:
> @@ -40,6 +37,10 @@ properties:
>
> uart-has-rtscts: true
>
> + rx-tx-swap:
> + type: boolean
> + maxItems: 1
Type is boolean, but 'maxItems' applies to arrays.
In any case, this is already defined in serial.yaml, so just
'rx-tx-swap: true' here.
> +
> dmas:
> minItems: 1
> maxItems: 2
> @@ -66,13 +67,24 @@ properties:
> linux,rs485-enabled-at-boot-time: true
> rs485-rx-during-tx: true
>
> -if:
> - required:
> - - st,hw-flow-ctrl
> -then:
> - properties:
> - cts-gpios: false
> - rts-gpios: false
> +allOf:
And add '- $ref: serial.yaml#' here.
> + - $ref: rs485.yaml
> + - if:
> + required:
> + - st,hw-flow-ctrl
> + then:
> + properties:
> + cts-gpios: false
> + rts-gpios: false
> + - if:
> + required:
> + - rx-tx-swap
> + then:
> + properties:
> + compatible:
> + enum:
> + - st,stm32f7-uart
> + - st,stm32h7-uart
The normal pattern is the 'if' has compatible. You can put the other
compatible strings in the if, and then 'then' is:
then:
properties:
rx-tx-swap: false
Rob
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next prev parent reply other threads:[~2021-03-08 19:22 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-29 16:05 [PATCH 1/2] tty/serial: Add st,swap OF option to stm32-usart Martin Devera
2020-02-29 16:05 ` [PATCH 2/2] dt-bindings: serial: Add st,swap " Martin Devera
2020-03-10 19:00 ` Rob Herring
2020-03-20 18:05 ` Rob Herring
2021-02-27 16:41 ` [PATCH v2 1/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-02-27 16:41 ` [PATCH v2 2/2] dt-bindings: serial: Add rx-tx-swap " Martin Devera
2021-03-01 10:36 ` Fabrice Gasnier
2021-03-01 10:28 ` [PATCH v2 1/2] tty/serial: Add rx-tx-swap OF option " Fabrice Gasnier
2021-03-01 22:40 ` Martin DEVERA
2021-03-02 10:20 ` Fabrice Gasnier
2021-03-02 13:15 ` [PATCH v3 1/2] dt-bindings: serial: Add rx-tx-swap " Martin Devera
2021-03-02 13:15 ` [PATCH v3 2/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-03-02 17:44 ` Fabrice Gasnier
2021-03-02 19:03 ` [PATCH v4 1/2] dt-bindings: serial: Add rx-tx-swap " Martin Devera
2021-03-02 19:03 ` [PATCH v4 2/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-03-03 16:06 ` Fabrice Gasnier
2021-03-03 17:23 ` [PATCH v4 1/2] dt-bindings: serial: Add rx-tx-swap " Fabrice Gasnier
2021-03-08 19:20 ` Rob Herring [this message]
2021-03-11 21:51 ` [PATCH v5 " Martin Devera
2021-03-11 21:51 ` [PATCH v5 2/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-03-12 8:15 ` Greg Kroah-Hartman
2021-03-12 10:27 ` [PATCH v6 1/2] dt-bindings: serial: Add rx-tx-swap " Martin Devera
2021-03-12 10:27 ` [PATCH v6 2/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-03-12 14:23 ` [PATCH v6 1/2] dt-bindings: serial: Add rx-tx-swap " Rob Herring
2021-03-12 14:56 ` Martin DEVERA
2021-03-12 15:03 ` Martin DEVERA
2021-03-12 15:37 ` [PATCH v7 " Martin Devera
2021-03-12 15:37 ` [PATCH v7 2/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-03-26 14:18 ` Greg Kroah-Hartman
2021-03-28 15:43 ` [PATCH v8 1/2] dt-bindings: serial: Add rx-tx-swap " Martin Devera
2021-03-28 15:43 ` [PATCH v8 2/2] tty/serial: Add rx-tx-swap OF option " Martin Devera
2021-03-23 22:30 ` [PATCH v7 1/2] dt-bindings: serial: Add rx-tx-swap " Rob Herring
2021-03-02 19:06 ` [PATCH v3 2/2] tty/serial: Add rx-tx-swap OF option " Martin DEVERA
2020-03-12 9:02 ` [PATCH 1/2] tty/serial: Add st,swap " Greg Kroah-Hartman
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