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Message-Id: <20230921122732.e110b094b7defd11887da5ec@hugovil.com>
Date: Thu, 21 Sep 2023 12:27:32 -0400
From: Hugo Villeneuve <hugo@...ovil.com>
To: Rob Herring <robh@...nel.org>
Cc: gregkh@...uxfoundation.org, jirislaby@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
hvilleneuve@...onoff.com, linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 4/4] dt-bindings: sc16is7xx: convert to YAML
On Thu, 21 Sep 2023 10:33:19 -0500
Rob Herring <robh@...nel.org> wrote:
> On Wed, Sep 20, 2023 at 11:20:15AM -0400, Hugo Villeneuve wrote:
> > From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> >
> > Convert binding from text format to YAML.
> >
> > Additions to original text binding:
> > - add rs485 reference.
> >
> > Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> > ---
> > .../bindings/serial/nxp,sc16is7xx.txt | 118 ----------------
> > .../bindings/serial/nxp,sc16is7xx.yaml | 126 ++++++++++++++++++
> > 2 files changed, 126 insertions(+), 118 deletions(-)
> > delete mode 100644 Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
> > create mode 100644 Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
> > deleted file mode 100644
> > index d89815c5c562..000000000000
> > --- a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.txt
> > +++ /dev/null
> > @@ -1,118 +0,0 @@
> > -* NXP SC16IS7xx advanced Universal Asynchronous Receiver-Transmitter (UART)
> > -* i2c as bus
> > -
> > -Required properties:
> > -- compatible: Should be one of the following:
> > - - "nxp,sc16is740" for NXP SC16IS740,
> > - - "nxp,sc16is741" for NXP SC16IS741,
> > - - "nxp,sc16is750" for NXP SC16IS750,
> > - - "nxp,sc16is752" for NXP SC16IS752,
> > - - "nxp,sc16is760" for NXP SC16IS760,
> > - - "nxp,sc16is762" for NXP SC16IS762.
> > -- reg: I2C address of the SC16IS7xx device.
> > -- interrupts: Should contain the UART interrupt
> > -- clocks: Reference to the IC source clock.
> > - OR (when there is no clock provider visible to the platform)
> > -- clock-frequency: The source clock frequency for the IC.
> > -
> > -Optional properties:
> > -- gpio-controller: Marks the device node as a GPIO controller.
> > -- #gpio-cells: Should be two. The first cell is the GPIO number and
> > - the second cell is used to specify the GPIO polarity:
> > - 0 = active high,
> > - 1 = active low.
> > -- nxp,irda-mode-ports: An array that lists the indices of the port that
> > - should operate in IrDA mode.
> > -- nxp,modem-control-line-ports: An array that lists the indices of the port that
> > - should have shared GPIO lines configured as
> > - modem control lines.
> > -
> > -Example:
> > - sc16is750: sc16is750@51 {
> > - compatible = "nxp,sc16is750";
> > - reg = <0x51>;
> > - clocks = <&clk20m>;
> > - interrupt-parent = <&gpio3>;
> > - interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> > - gpio-controller;
> > - #gpio-cells = <2>;
> > - };
> > -
> > - sc16is752: sc16is752@53 {
> > - compatible = "nxp,sc16is752";
> > - reg = <0x53>;
> > - clocks = <&clk20m>;
> > - interrupt-parent = <&gpio3>;
> > - interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> > - nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */
> > - gpio-controller; /* Port 0 as GPIOs */
> > - #gpio-cells = <2>;
> > - };
> > -
> > - sc16is752: sc16is752@54 {
> > - compatible = "nxp,sc16is752";
> > - reg = <0x54>;
> > - clocks = <&clk20m>;
> > - interrupt-parent = <&gpio3>;
> > - interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> > - nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */
> > - };
> > -
> > -* spi as bus
> > -
> > -Required properties:
> > -- compatible: Should be one of the following:
> > - - "nxp,sc16is740" for NXP SC16IS740,
> > - - "nxp,sc16is741" for NXP SC16IS741,
> > - - "nxp,sc16is750" for NXP SC16IS750,
> > - - "nxp,sc16is752" for NXP SC16IS752,
> > - - "nxp,sc16is760" for NXP SC16IS760,
> > - - "nxp,sc16is762" for NXP SC16IS762.
> > -- reg: SPI chip select number.
> > -- interrupts: Specifies the interrupt source of the parent interrupt
> > - controller. The format of the interrupt specifier depends on the
> > - parent interrupt controller.
> > -- clocks: phandle to the IC source clock.
> > -
> > -Optional properties:
> > -- gpio-controller: Marks the device node as a GPIO controller.
> > -- #gpio-cells: Should be two. The first cell is the GPIO number and
> > - the second cell is used to specify the GPIO polarity:
> > - 0 = active high,
> > - 1 = active low.
> > -- nxp,irda-mode-ports: An array that lists the indices of the port that
> > - should operate in IrDA mode.
> > -- nxp,modem-control-line-ports: An array that lists the indices of the port that
> > - should have shared GPIO lines configured as
> > - modem control lines.
> > -
> > -Example:
> > - sc16is750: sc16is750@0 {
> > - compatible = "nxp,sc16is750";
> > - reg = <0>;
> > - clocks = <&clk20m>;
> > - interrupt-parent = <&gpio3>;
> > - interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> > - gpio-controller;
> > - #gpio-cells = <2>;
> > - };
> > -
> > - sc16is752: sc16is752@1 {
> > - compatible = "nxp,sc16is752";
> > - reg = <1>;
> > - clocks = <&clk20m>;
> > - interrupt-parent = <&gpio3>;
> > - interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> > - nxp,modem-control-line-ports = <1>; /* Port 1 as modem control lines */
> > - gpio-controller; /* Port 0 as GPIOs */
> > - #gpio-cells = <2>;
> > - };
> > -
> > - sc16is752: sc16is752@2 {
> > - compatible = "nxp,sc16is752";
> > - reg = <2>;
> > - clocks = <&clk20m>;
> > - interrupt-parent = <&gpio3>;
> > - interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
> > - nxp,modem-control-line-ports = <0 1>; /* Ports 0 and 1 as modem control lines */
> > - };
> > diff --git a/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
> > new file mode 100644
> > index 000000000000..508639e09e06
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/serial/nxp,sc16is7xx.yaml
> > @@ -0,0 +1,126 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/serial/nxp,sc16is7xx.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: NXP SC16IS7xx advanced Universal Asynchronous Receiver-Transmitter (UART)
> > +
> > +maintainers:
> > + - Hugo Villeneuve <hvilleneuve@...onoff.com>
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - nxp,sc16is740
> > + - nxp,sc16is741
> > + - nxp,sc16is750
> > + - nxp,sc16is752
> > + - nxp,sc16is760
> > + - nxp,sc16is762
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 1
> > +
> > + clocks:
> > + maxItems: 1
> > + description: Reference to the IC source clock.
> > +
> > + clock-frequency:
> > + description: |
> > + When there is no clock provider visible to the platform, this
> > + is the source crystal or external clock frequency for the IC in Hz.
> > + $ref: /schemas/types.yaml#/definitions/uint32
>
> Don't need a type here. 'clock-frequency' is already defined.
Hi Rob,
will be done for V2.
> > + minimum: 1
> > + maximum: 80000000
> > +
> > + gpio-controller:
> > + description: Marks the device node as a GPIO controller.
> > + type: boolean
>
> Just:
>
> gpio-controller: true
Done.
Thank you,
Hugo.
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