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Date: Tue, 19 May 2020 02:46:21 +0000 From: Aisheng Dong <aisheng.dong@....com> To: Anson Huang <anson.huang@....com>, "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>, "tglx@...utronix.de" <tglx@...utronix.de>, "robh+dt@...nel.org" <robh+dt@...nel.org>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, Jacky Bai <ping.bai@....com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org> CC: dl-linux-imx <linux-imx@....com> Subject: RE: [PATCH 1/3] dt-bindings: timer: Convert i.MX GPT to json-schema > From: Anson Huang <Anson.Huang@....com> > Sent: Monday, May 18, 2020 10:48 PM > > Convert the i.MX GPT binding to DT schema format using json-schema. > > Signed-off-by: Anson Huang <Anson.Huang@....com> > --- > .../devicetree/bindings/timer/fsl,imxgpt.txt | 45 --------- > .../devicetree/bindings/timer/fsl,imxgpt.yaml | 109 > +++++++++++++++++++++ > 2 files changed, 109 insertions(+), 45 deletions(-) delete mode 100644 > Documentation/devicetree/bindings/timer/fsl,imxgpt.txt > create mode 100644 > Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml > > diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt > b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt > deleted file mode 100644 > index 5d8fd5b..0000000 > --- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt > +++ /dev/null > @@ -1,45 +0,0 @@ > -Freescale i.MX General Purpose Timer (GPT) > - > -Required properties: > - > -- compatible : should be one of following: > - for i.MX1: > - - "fsl,imx1-gpt"; > - for i.MX21: > - - "fsl,imx21-gpt"; > - for i.MX27: > - - "fsl,imx27-gpt", "fsl,imx21-gpt"; > - for i.MX31: > - - "fsl,imx31-gpt"; > - for i.MX25: > - - "fsl,imx25-gpt", "fsl,imx31-gpt"; > - for i.MX50: > - - "fsl,imx50-gpt", "fsl,imx31-gpt"; > - for i.MX51: > - - "fsl,imx51-gpt", "fsl,imx31-gpt"; > - for i.MX53: > - - "fsl,imx53-gpt", "fsl,imx31-gpt"; > - for i.MX6Q: > - - "fsl,imx6q-gpt", "fsl,imx31-gpt"; > - for i.MX6DL: > - - "fsl,imx6dl-gpt"; > - for i.MX6SL: > - - "fsl,imx6sl-gpt", "fsl,imx6dl-gpt"; > - for i.MX6SX: > - - "fsl,imx6sx-gpt", "fsl,imx6dl-gpt"; > -- reg : specifies base physical address and size of the registers. > -- interrupts : should be the gpt interrupt. > -- clocks : the clocks provided by the SoC to drive the timer, must contain > - an entry for each entry in clock-names. > -- clock-names : must include "ipg" entry first, then "per" entry. > - > -Example: > - > -gpt1: timer@...03000 { > - compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; > - reg = <0x10003000 0x1000>; > - interrupts = <26>; > - clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, > - <&clks IMX27_CLK_PER1_GATE>; > - clock-names = "ipg", "per"; > -}; > diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml > b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml > new file mode 100644 > index 0000000..5c7186b > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml > @@ -0,0 +1,109 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > +--- > + > +title: Freescale i.MX General Purpose Timer (GPT) > + > +maintainers: > + - Sascha Hauer <s.hauer@...gutronix.de> > + > +properties: > + compatible: > + oneOf: > + - description: on i.MX1 the following compatible must be specified Such a description seems not necessary in order to make the doc more clean > + items: > + - const: "fsl,imx1-gpt" > + > + - description: on i.MX21 the following compatible must be specified > + items: > + - const: "fsl,imx21-gpt" > + > + - description: on i.MX27 the following compatibles must be specified > + items: > + - const: "fsl,imx27-gpt" > + - const: "fsl,imx21-gpt" > + > + - description: on i.MX31 the following compatible must be specified > + items: > + - const: "fsl,imx31-gpt" > + > + - description: on i.MX25 the following compatibles must be specified > + items: > + - const: "fsl,imx25-gpt" > + - const: "fsl,imx31-gpt" > + > + - description: on i.MX50 the following compatibles must be specified > + items: > + - const: "fsl,imx50-gpt" > + - const: "fsl,imx31-gpt" > + > + - description: on i.MX51 the following compatibles must be specified > + items: > + - const: "fsl,imx51-gpt" > + - const: "fsl,imx31-gpt" > + > + - description: on i.MX53 the following compatibles must be specified > + items: > + - const: "fsl,imx53-gpt" > + - const: "fsl,imx31-gpt" > + > + - description: on i.MX6Q the following compatibles must be specified > + items: > + - const: "fsl,imx6q-gpt" > + - const: "fsl,imx31-gpt" > + > + - description: on i.MX6DL the following compatible must be specified > + items: > + - const: "fsl,imx6dl-gpt" > + > + - description: on i.MX6SL the following compatibles must be specified > + items: > + - const: "fsl,imx6sl-gpt" > + - const: "fsl,imx6dl-gpt" > + > + - description: on i.MX6SX the following compatibles must be specified > + items: > + - const: "fsl,imx6sx-gpt" > + - const: "fsl,imx6dl-gpt" > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + items: > + - description: SoC GPT ipg clock > + - description: SoC GPT per clock > + maxItems: 2 maxItems is not needed > + > + clock-names: > + items: > + - const: ipg > + - const: per > + maxItems: 2 Ditto > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/imx27-clock.h> > + > + timer@...03000 { > + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; > + reg = <0x10003000 0x1000>; > + interrupts = <26>; > + clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, > + <&clks IMX27_CLK_PER1_GATE>; > + clock-names = "ipg", "per"; > + }; > -- > 2.7.4
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