| Message ID | 20201031181801.742585-2-jic23@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dt-bindings: yaml conversion of i2c-gate and IIO users | expand |
On Sat, Oct 31, 2020 at 06:17:59PM +0000, Jonathan Cameron wrote: > From: Jonathan Cameron <Jonathan.Cameron@huawei.com> > > Needed to reference from the invensense,mpu6050 yaml binding. > > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > Cc: Peter Rosin <peda@axentia.se> > Cc: Wolfram Sang <wsa@the-dreams.de> > --- > .../devicetree/bindings/i2c/i2c-gate.txt | 41 --------------- > .../devicetree/bindings/i2c/i2c-gate.yaml | 52 +++++++++++++++++++ > 2 files changed, 52 insertions(+), 41 deletions(-) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-gate.txt b/Documentation/devicetree/bindings/i2c/i2c-gate.txt > deleted file mode 100644 > index 1846d236e656..000000000000 > --- a/Documentation/devicetree/bindings/i2c/i2c-gate.txt > +++ /dev/null > @@ -1,41 +0,0 @@ > -An i2c gate is useful to e.g. reduce the digital noise for RF tuners connected > -to the i2c bus. Gates are similar to arbitrators in that you need to perform > -some kind of operation to access the i2c bus past the arbitrator/gate, but > -there are no competing masters to consider for gates and therefore there is > -no arbitration happening for gates. > - > -Common i2c gate properties. > - > -- i2c-gate child node > - > -Required properties for the i2c-gate child node: > -- #address-cells = <1>; > -- #size-cells = <0>; > - > -Optional properties for i2c-gate child node: > -- Child nodes conforming to i2c bus binding > - > - > -Example : > - > - /* > - An Invensense mpu9150 at address 0x68 featuring an on-chip Asahi > - Kasei ak8975 compass behind a gate. > - */ > - > - mpu9150@68 { > - compatible = "invensense,mpu9150"; > - reg = <0x68>; > - interrupt-parent = <&gpio1>; > - interrupts = <18 1>; > - > - i2c-gate { > - #address-cells = <1>; > - #size-cells = <0>; > - > - ax8975@c { > - compatible = "ak,ak8975"; > - reg = <0x0c>; > - }; > - }; > - }; > diff --git a/Documentation/devicetree/bindings/i2c/i2c-gate.yaml b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml > new file mode 100644 > index 000000000000..29aa0690ed9a > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml > @@ -0,0 +1,52 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/i2c-gate.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Common i2c gate properties > + > +maintainers: > + - Peter Rosin <peda@axentia.se> > + > +description: | > + An i2c gate is useful to e.g. reduce the digital noise for RF tuners connected > + to the i2c bus. Gates are similar to arbitrators in that you need to perform > + some kind of operation to access the i2c bus past the arbitrator/gate, but > + there are no competing masters to consider for gates and therefore there is > + no arbitration happening for gates. > + > +properties: > + $nodename: > + const: i2c-gate > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$": > + type: object > + description: | > + Child nodes for i2c devices behind the gate. So reference i2c-controller.yaml. With that, you only need $nodename. > + > +required: > + - "#address-cells" > + - "#size-cells" > + > +additionalProperties: true > + > +examples: > + - | > + i2c-gate { > + #address-cells = <1>; > + #size-cells = <0>; > + ak8975@c { > + compatible = "ak,ak8975"; > + reg = <0x0c>; > + }; > + }; > +... > + > -- > 2.28.0 >
diff --git a/Documentation/devicetree/bindings/i2c/i2c-gate.txt b/Documentation/devicetree/bindings/i2c/i2c-gate.txt deleted file mode 100644 index 1846d236e656..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-gate.txt +++ /dev/null @@ -1,41 +0,0 @@ -An i2c gate is useful to e.g. reduce the digital noise for RF tuners connected -to the i2c bus. Gates are similar to arbitrators in that you need to perform -some kind of operation to access the i2c bus past the arbitrator/gate, but -there are no competing masters to consider for gates and therefore there is -no arbitration happening for gates. - -Common i2c gate properties. - -- i2c-gate child node - -Required properties for the i2c-gate child node: -- #address-cells = <1>; -- #size-cells = <0>; - -Optional properties for i2c-gate child node: -- Child nodes conforming to i2c bus binding - - -Example : - - /* - An Invensense mpu9150 at address 0x68 featuring an on-chip Asahi - Kasei ak8975 compass behind a gate. - */ - - mpu9150@68 { - compatible = "invensense,mpu9150"; - reg = <0x68>; - interrupt-parent = <&gpio1>; - interrupts = <18 1>; - - i2c-gate { - #address-cells = <1>; - #size-cells = <0>; - - ax8975@c { - compatible = "ak,ak8975"; - reg = <0x0c>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/i2c/i2c-gate.yaml b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml new file mode 100644 index 000000000000..29aa0690ed9a --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/i2c-gate.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common i2c gate properties + +maintainers: + - Peter Rosin <peda@axentia.se> + +description: | + An i2c gate is useful to e.g. reduce the digital noise for RF tuners connected + to the i2c bus. Gates are similar to arbitrators in that you need to perform + some kind of operation to access the i2c bus past the arbitrator/gate, but + there are no competing masters to consider for gates and therefore there is + no arbitration happening for gates. + +properties: + $nodename: + const: i2c-gate + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$": + type: object + description: | + Child nodes for i2c devices behind the gate. + +required: + - "#address-cells" + - "#size-cells" + +additionalProperties: true + +examples: + - | + i2c-gate { + #address-cells = <1>; + #size-cells = <0>; + ak8975@c { + compatible = "ak,ak8975"; + reg = <0x0c>; + }; + }; +... +