linux-kernel - RE: [PATCH V2 2/3] dt-bindings: pinctrl: Convert i.MX8MM to json-schema

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Message-ID: <DB3PR0402MB3916419154FCE3FA21DAA5DDF5370@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Wed, 15 Jan 2020 01:35:20 +0000
From:   Anson Huang <anson.huang@....com>
To:     Rob Herring <robh@...nel.org>
CC:     Aisheng Dong <aisheng.dong@....com>,
        "festevam@...il.com" <festevam@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "stefan@...er.ch" <stefan@...er.ch>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH V2 2/3] dt-bindings: pinctrl: Convert i.MX8MM to
 json-schema

Hi, Rob

> Subject: Re: [PATCH V2 2/3] dt-bindings: pinctrl: Convert i.MX8MM to json-
> schema
> 
> On Fri, Jan 10, 2020 at 12:05:19PM +0800, Anson Huang wrote:
> > Convert the i.MX8MM pinctrl binding to DT schema format using
> > json-schema
> >
> > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > ---
> > Changes since V1:
> >         - use "grp$" instead of "-grp$";
> >         - use space instead of tab for "ref$";
> > 	- add missed "reg" property;
> >         - remove the "maxItem" for "fsl,pins" to avoid build warning, as the
> item number is changable.
> > ---
> >  .../bindings/pinctrl/fsl,imx8mm-pinctrl.txt        | 36 -----------
> >  .../bindings/pinctrl/fsl,imx8mm-pinctrl.yaml       | 69
> ++++++++++++++++++++++
> >  2 files changed, 69 insertions(+), 36 deletions(-)  delete mode
> > 100644
> > Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.txt
> >  create mode 100644
> > Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.txt
> > b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.txt
> > deleted file mode 100644
> > index e4e01c0..0000000
> > --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.txt
> > +++ /dev/null
> > @@ -1,36 +0,0 @@
> > -* Freescale IMX8MM IOMUX Controller
> > -
> > -Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this
> > directory -for common binding part and usage.
> > -
> > -Required properties:
> > -- compatible: "fsl,imx8mm-iomuxc"
> > -- reg: should contain the base physical address and size of the
> > iomuxc
> > -  registers.
> > -
> > -Required properties in sub-nodes:
> > -- fsl,pins: each entry consists of 6 integers and represents the mux
> > and config
> > -  setting for one pin.  The first 5 integers <mux_reg conf_reg
> > input_reg mux_val
> > -  input_val> are specified using a PIN_FUNC_ID macro, which can be
> > found in
> > -  <arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h>. The last integer
> > CONFIG is
> > -  the pad setting value like pull-up on this pin.  Please refer to
> > i.MX8M Mini
> > -  Reference Manual for detailed CONFIG settings.
> > -
> > -Examples:
> > -
> > -&uart1 {
> > -       pinctrl-names = "default";
> > -       pinctrl-0 = <&pinctrl_uart1>;
> > -};
> > -
> > -iomuxc: pinctrl@...30000 {
> > -        compatible = "fsl,imx8mm-iomuxc";
> > -        reg = <0x0 0x30330000 0x0 0x10000>;
> > -
> > -        pinctrl_uart1: uart1grp {
> > -                fsl,pins = <
> > -                        MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX             0x140
> > -                        MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX             0x140
> > -                >;
> > -        };
> > -};
> > diff --git
> > a/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml
> > b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yaml
> > new file mode 100644
> > index 0000000..a3c4275
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx8mm-pinctrl.yam
> > +++ l
> > @@ -0,0 +1,69 @@
> > +# SPDX-License-Identifier: GPL-2.0-or-later
> 
> Sorry, one other thing.
> 
> You're good with GPLv9? Plus this is a license change. Do you have rights to
> do so as some of this comes from the old binding doc? If you do, then make

Yes, it should be GPL-2.0, will fix it in V3.

Thanks,
Anson