| Message ID | 1591235358-15516-4-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Convert i.MX/MXS I2C/LPI2C binding doc to json-schema | expand |
On Thu, Jun 04, 2020 at 09:49:18AM +0800, Anson Huang wrote: > Convert the i.MX I2C binding to DT schema format using json-schema, > some improvements applied, such as update example based on latest DT > file, add more compatible for existing SoCs, and remove unnecessary > common property "pinctrl". > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > --- > Changes since V1: > - add "additionalProperties: false". > --- > Documentation/devicetree/bindings/i2c/i2c-imx.txt | 49 --------- > Documentation/devicetree/bindings/i2c/i2c-imx.yaml | 119 +++++++++++++++++++++ > 2 files changed, 119 insertions(+), 49 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-imx.txt > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-imx.yaml > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.txt b/Documentation/devicetree/bindings/i2c/i2c-imx.txt > deleted file mode 100644 > index b967544..0000000 > --- a/Documentation/devicetree/bindings/i2c/i2c-imx.txt > +++ /dev/null > @@ -1,49 +0,0 @@ > -* Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX > - > -Required properties: > -- compatible : > - - "fsl,imx1-i2c" for I2C compatible with the one integrated on i.MX1 SoC > - - "fsl,imx21-i2c" for I2C compatible with the one integrated on i.MX21 SoC > - - "fsl,vf610-i2c" for I2C compatible with the one integrated on Vybrid vf610 SoC > -- reg : Should contain I2C/HS-I2C registers location and length > -- interrupts : Should contain I2C/HS-I2C interrupt > -- clocks : Should contain the I2C/HS-I2C clock specifier > - > -Optional properties: > -- clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz. > - The absence of the property indicates the default frequency 100 kHz. > -- dmas: A list of two dma specifiers, one for each entry in dma-names. > -- dma-names: should contain "tx" and "rx". > -- scl-gpios: specify the gpio related to SCL pin > -- sda-gpios: specify the gpio related to SDA pin > -- pinctrl: add extra pinctrl to configure i2c pins to gpio function for i2c > - bus recovery, call it "gpio" state > - > -Examples: > - > -i2c@83fc4000 { /* I2C2 on i.MX51 */ > - compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; > - reg = <0x83fc4000 0x4000>; > - interrupts = <63>; > -}; > - > -i2c@70038000 { /* HS-I2C on i.MX51 */ > - compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; > - reg = <0x70038000 0x4000>; > - interrupts = <64>; > - clock-frequency = <400000>; > -}; > - > -i2c0: i2c@40066000 { /* i2c0 on vf610 */ > - compatible = "fsl,vf610-i2c"; > - reg = <0x40066000 0x1000>; > - interrupts =<0 71 0x04>; > - dmas = <&edma0 0 50>, > - <&edma0 0 51>; > - dma-names = "rx","tx"; > - pinctrl-names = "default", "gpio"; > - pinctrl-0 = <&pinctrl_i2c1>; > - pinctrl-1 = <&pinctrl_i2c1_gpio>; > - scl-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; > - sda-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; > -}; > diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml > new file mode 100644 > index 0000000..63cceab > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml > @@ -0,0 +1,119 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/i2c-imx.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX > + > +maintainers: > + - Wolfram Sang <wolfram@the-dreams.de> > + > +properties: > + compatible: > + oneOf: > + - const: fsl,imx1-i2c > + - const: fsl,imx21-i2c > + - const: fsl,vf610-i2c > + - items: > + - const: fsl,imx35-i2c > + - const: fsl,imx1-i2c > + - items: > + - enum: > + - fsl,imx25-i2c > + - fsl,imx27-i2c > + - fsl,imx31-i2c > + - fsl,imx50-i2c > + - fsl,imx51-i2c > + - fsl,imx53-i2c > + - fsl,imx6q-i2c > + - fsl,imx6sl-i2c > + - fsl,imx6sx-i2c > + - fsl,imx6sll-i2c > + - fsl,imx6ul-i2c > + - fsl,imx7s-i2c > + - fsl,imx8mq-i2c > + - fsl,imx8mm-i2c > + - fsl,imx8mn-i2c > + - fsl,imx8mp-i2c > + - const: fsl,imx21-i2c > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + const: ipg > + > + clock-frequency: > + $ref: /schemas/types.yaml#/definitions/uint32 Already has a type. > + description: | > + Constains desired I2C/HS-I2C bus clock frequency in Hz. > + The absence of the property indicates the default frequency 100 kHz. > + default: 100000 The bus default is up to 3MHz. Is that valid here? > + > + dmas: > + items: > + - description: DMA controller phandle and request line for RX > + - description: DMA controller phandle and request line for TX > + > + dma-names: > + items: > + - const: rx > + - const: tx > + > + sda-gpios: > + $ref: '/schemas/types.yaml#/definitions/phandle' *-gpios already has a type > + description: | > + gpio used for the sda signal, this should be flagged as > + active high using open drain with (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN) > + from <dt-bindings/gpio/gpio.h> since the signal is by definition > + open drain. > + maxItems: 1 > + > + scl-gpios: > + $ref: '/schemas/types.yaml#/definitions/phandle' > + description: | > + gpio used for the scl signal, this should be flagged as > + active high using open drain with (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN) > + from <dt-bindings/gpio/gpio.h> since the signal is by definition > + open drain. > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/imx5-clock.h> > + #include <dt-bindings/clock/vf610-clock.h> > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + > + i2c@83fc4000 { > + compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; > + reg = <0x83fc4000 0x4000>; > + interrupts = <63>; > + clocks = <&clks IMX5_CLK_I2C2_GATE>; > + }; > + > + i2c@40066000 { > + compatible = "fsl,vf610-i2c"; > + reg = <0x40066000 0x1000>; > + interrupts = <71 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clks VF610_CLK_I2C0>; > + clock-names = "ipg"; > + dmas = <&edma0 0 50>, > + <&edma0 0 51>; > + dma-names = "rx","tx"; space ^ > + }; > -- > 2.7.4 >
Hi, Rob > Subject: Re: [PATCH V2 3/3] dt-bindings: i2c: Convert imx i2c to json-schema > > On Thu, Jun 04, 2020 at 09:49:18AM +0800, Anson Huang wrote: > > Convert the i.MX I2C binding to DT schema format using json-schema, > > some improvements applied, such as update example based on latest DT > > file, add more compatible for existing SoCs, and remove unnecessary > > common property "pinctrl". > > > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > > --- > > Changes since V1: > > - add "additionalProperties: false". > > --- > > Documentation/devicetree/bindings/i2c/i2c-imx.txt | 49 --------- > > Documentation/devicetree/bindings/i2c/i2c-imx.yaml | 119 > > +++++++++++++++++++++ > > 2 files changed, 119 insertions(+), 49 deletions(-) delete mode > > 100644 Documentation/devicetree/bindings/i2c/i2c-imx.txt > > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-imx.yaml > > > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.txt > > b/Documentation/devicetree/bindings/i2c/i2c-imx.txt > > deleted file mode 100644 > > index b967544..0000000 > > --- a/Documentation/devicetree/bindings/i2c/i2c-imx.txt > > +++ /dev/null > > @@ -1,49 +0,0 @@ > > -* Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX > > - > > -Required properties: > > -- compatible : > > - - "fsl,imx1-i2c" for I2C compatible with the one integrated on > > i.MX1 SoC > > - - "fsl,imx21-i2c" for I2C compatible with the one integrated on > > i.MX21 SoC > > - - "fsl,vf610-i2c" for I2C compatible with the one integrated on > > Vybrid vf610 SoC > > -- reg : Should contain I2C/HS-I2C registers location and length > > -- interrupts : Should contain I2C/HS-I2C interrupt > > -- clocks : Should contain the I2C/HS-I2C clock specifier > > - > > -Optional properties: > > -- clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz. > > - The absence of the property indicates the default frequency 100 kHz. > > -- dmas: A list of two dma specifiers, one for each entry in dma-names. > > -- dma-names: should contain "tx" and "rx". > > -- scl-gpios: specify the gpio related to SCL pin > > -- sda-gpios: specify the gpio related to SDA pin > > -- pinctrl: add extra pinctrl to configure i2c pins to gpio function > > for i2c > > - bus recovery, call it "gpio" state > > - > > -Examples: > > - > > -i2c@83fc4000 { /* I2C2 on i.MX51 */ > > - compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; > > - reg = <0x83fc4000 0x4000>; > > - interrupts = <63>; > > -}; > > - > > -i2c@70038000 { /* HS-I2C on i.MX51 */ > > - compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; > > - reg = <0x70038000 0x4000>; > > - interrupts = <64>; > > - clock-frequency = <400000>; > > -}; > > - > > -i2c0: i2c@40066000 { /* i2c0 on vf610 */ > > - compatible = "fsl,vf610-i2c"; > > - reg = <0x40066000 0x1000>; > > - interrupts =<0 71 0x04>; > > - dmas = <&edma0 0 50>, > > - <&edma0 0 51>; > > - dma-names = "rx","tx"; > > - pinctrl-names = "default", "gpio"; > > - pinctrl-0 = <&pinctrl_i2c1>; > > - pinctrl-1 = <&pinctrl_i2c1_gpio>; > > - scl-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; > > - sda-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; > > -}; > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml > > b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml > > new file mode 100644 > > index 0000000..63cceab > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml > > @@ -0,0 +1,119 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: > > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi > > > +cetree.org%2Fschemas%2Fi2c%2Fi2c-imx.yaml%23&data=02%7C01%7C > Anson > > > +.Huang%40nxp.com%7C943043d1a28548a7fd3308d8114efd9d%7C686ea1d > 3bc2b4c6 > > > +fa92cd99c5c301635%7C0%7C0%7C637278378260012996&sdata=VZfJ > %2BLVtuB > > +JOWy0e9riauncrE5UNozko4iP6tYm9y80%3D&reserved=0 > > +$schema: > > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi > > > +cetree.org%2Fmeta-schemas%2Fcore.yaml%23&data=02%7C01%7CAns > on.Hua > > > +ng%40nxp.com%7C943043d1a28548a7fd3308d8114efd9d%7C686ea1d3bc2 > b4c6fa92 > > > +cd99c5c301635%7C0%7C0%7C637278378260012996&sdata=ABISCsw > dkJMA4ECe > > +JE7wKsgzcwZYQS1dfVrxCAecLlY%3D&reserved=0 > > + > > +title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for > > +i.MX > > + > > +maintainers: > > + - Wolfram Sang <wolfram@the-dreams.de> > > + > > +properties: > > + compatible: > > + oneOf: > > + - const: fsl,imx1-i2c > > + - const: fsl,imx21-i2c > > + - const: fsl,vf610-i2c > > + - items: > > + - const: fsl,imx35-i2c > > + - const: fsl,imx1-i2c > > + - items: > > + - enum: > > + - fsl,imx25-i2c > > + - fsl,imx27-i2c > > + - fsl,imx31-i2c > > + - fsl,imx50-i2c > > + - fsl,imx51-i2c > > + - fsl,imx53-i2c > > + - fsl,imx6q-i2c > > + - fsl,imx6sl-i2c > > + - fsl,imx6sx-i2c > > + - fsl,imx6sll-i2c > > + - fsl,imx6ul-i2c > > + - fsl,imx7s-i2c > > + - fsl,imx8mq-i2c > > + - fsl,imx8mm-i2c > > + - fsl,imx8mn-i2c > > + - fsl,imx8mp-i2c > > + - const: fsl,imx21-i2c > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + clock-names: > > + const: ipg > > + > > + clock-frequency: > > + $ref: /schemas/types.yaml#/definitions/uint32 > > Already has a type. Will remove the type and just use enum for it, it ONLY supports 100KHz/400KHz. > > > + description: | > > + Constains desired I2C/HS-I2C bus clock frequency in Hz. > > + The absence of the property indicates the default frequency 100 kHz. > > + default: 100000 > > The bus default is up to 3MHz. Is that valid here? No, it should be either 100KHz or 400KHz, so far on i.MX I2C, ONLY 100KHz/400KHz are supported/tested. > > > + > > + dmas: > > + items: > > + - description: DMA controller phandle and request line for RX > > + - description: DMA controller phandle and request line for TX > > + > > + dma-names: > > + items: > > + - const: rx > > + - const: tx > > + > > + sda-gpios: > > + $ref: '/schemas/types.yaml#/definitions/phandle' > > *-gpios already has a type Will remove -gpios' type/description as it is already defined in i2c-gpio.yaml. > > > + description: | > > + gpio used for the sda signal, this should be flagged as > > + active high using open drain with > (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN) > > + from <dt-bindings/gpio/gpio.h> since the signal is by definition > > + open drain. > > + maxItems: 1 > > + > > + scl-gpios: > > + $ref: '/schemas/types.yaml#/definitions/phandle' > > + description: | > > + gpio used for the scl signal, this should be flagged as > > + active high using open drain with > (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN) > > + from <dt-bindings/gpio/gpio.h> since the signal is by definition > > + open drain. > > + maxItems: 1 > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - clocks > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/clock/imx5-clock.h> > > + #include <dt-bindings/clock/vf610-clock.h> > > + #include <dt-bindings/gpio/gpio.h> > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + > > + i2c@83fc4000 { > > + compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; > > + reg = <0x83fc4000 0x4000>; > > + interrupts = <63>; > > + clocks = <&clks IMX5_CLK_I2C2_GATE>; > > + }; > > + > > + i2c@40066000 { > > + compatible = "fsl,vf610-i2c"; > > + reg = <0x40066000 0x1000>; > > + interrupts = <71 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&clks VF610_CLK_I2C0>; > > + clock-names = "ipg"; > > + dmas = <&edma0 0 50>, > > + <&edma0 0 51>; > > + dma-names = "rx","tx"; > > space ^ Will fix it in V3. Thanks, Anson
diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.txt b/Documentation/devicetree/bindings/i2c/i2c-imx.txt deleted file mode 100644 index b967544..0000000 --- a/Documentation/devicetree/bindings/i2c/i2c-imx.txt +++ /dev/null @@ -1,49 +0,0 @@ -* Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX - -Required properties: -- compatible : - - "fsl,imx1-i2c" for I2C compatible with the one integrated on i.MX1 SoC - - "fsl,imx21-i2c" for I2C compatible with the one integrated on i.MX21 SoC - - "fsl,vf610-i2c" for I2C compatible with the one integrated on Vybrid vf610 SoC -- reg : Should contain I2C/HS-I2C registers location and length -- interrupts : Should contain I2C/HS-I2C interrupt -- clocks : Should contain the I2C/HS-I2C clock specifier - -Optional properties: -- clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz. - The absence of the property indicates the default frequency 100 kHz. -- dmas: A list of two dma specifiers, one for each entry in dma-names. -- dma-names: should contain "tx" and "rx". -- scl-gpios: specify the gpio related to SCL pin -- sda-gpios: specify the gpio related to SDA pin -- pinctrl: add extra pinctrl to configure i2c pins to gpio function for i2c - bus recovery, call it "gpio" state - -Examples: - -i2c@83fc4000 { /* I2C2 on i.MX51 */ - compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; - reg = <0x83fc4000 0x4000>; - interrupts = <63>; -}; - -i2c@70038000 { /* HS-I2C on i.MX51 */ - compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; - reg = <0x70038000 0x4000>; - interrupts = <64>; - clock-frequency = <400000>; -}; - -i2c0: i2c@40066000 { /* i2c0 on vf610 */ - compatible = "fsl,vf610-i2c"; - reg = <0x40066000 0x1000>; - interrupts =<0 71 0x04>; - dmas = <&edma0 0 50>, - <&edma0 0 51>; - dma-names = "rx","tx"; - pinctrl-names = "default", "gpio"; - pinctrl-0 = <&pinctrl_i2c1>; - pinctrl-1 = <&pinctrl_i2c1_gpio>; - scl-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH>; - sda-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; -}; diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml new file mode 100644 index 0000000..63cceab --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-imx.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/i2c-imx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX + +maintainers: + - Wolfram Sang <wolfram@the-dreams.de> + +properties: + compatible: + oneOf: + - const: fsl,imx1-i2c + - const: fsl,imx21-i2c + - const: fsl,vf610-i2c + - items: + - const: fsl,imx35-i2c + - const: fsl,imx1-i2c + - items: + - enum: + - fsl,imx25-i2c + - fsl,imx27-i2c + - fsl,imx31-i2c + - fsl,imx50-i2c + - fsl,imx51-i2c + - fsl,imx53-i2c + - fsl,imx6q-i2c + - fsl,imx6sl-i2c + - fsl,imx6sx-i2c + - fsl,imx6sll-i2c + - fsl,imx6ul-i2c + - fsl,imx7s-i2c + - fsl,imx8mq-i2c + - fsl,imx8mm-i2c + - fsl,imx8mn-i2c + - fsl,imx8mp-i2c + - const: fsl,imx21-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: ipg + + clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Constains desired I2C/HS-I2C bus clock frequency in Hz. + The absence of the property indicates the default frequency 100 kHz. + default: 100000 + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: + items: + - const: rx + - const: tx + + sda-gpios: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: | + gpio used for the sda signal, this should be flagged as + active high using open drain with (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN) + from <dt-bindings/gpio/gpio.h> since the signal is by definition + open drain. + maxItems: 1 + + scl-gpios: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: | + gpio used for the scl signal, this should be flagged as + active high using open drain with (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN) + from <dt-bindings/gpio/gpio.h> since the signal is by definition + open drain. + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx5-clock.h> + #include <dt-bindings/clock/vf610-clock.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c@83fc4000 { + compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; + reg = <0x83fc4000 0x4000>; + interrupts = <63>; + clocks = <&clks IMX5_CLK_I2C2_GATE>; + }; + + i2c@40066000 { + compatible = "fsl,vf610-i2c"; + reg = <0x40066000 0x1000>; + interrupts = <71 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks VF610_CLK_I2C0>; + clock-names = "ipg"; + dmas = <&edma0 0 50>, + <&edma0 0 51>; + dma-names = "rx","tx"; + };
Convert the i.MX I2C binding to DT schema format using json-schema, some improvements applied, such as update example based on latest DT file, add more compatible for existing SoCs, and remove unnecessary common property "pinctrl". Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- Changes since V1: - add "additionalProperties: false". --- Documentation/devicetree/bindings/i2c/i2c-imx.txt | 49 --------- Documentation/devicetree/bindings/i2c/i2c-imx.yaml | 119 +++++++++++++++++++++ 2 files changed, 119 insertions(+), 49 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-imx.txt create mode 100644 Documentation/devicetree/bindings/i2c/i2c-imx.yaml