The Sophgo SARADC is a Successive Approximation ADC that can be found in
the Sophgo SoC.
Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
---
.../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++
MAINTAINERS | 5 +++
2 files changed, 56 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml
new file mode 100644
index 000000000000..21fd5dc8e24e
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo 3 channels Successive Approximation Analog to Digital Converters
+
+maintainers:
+ - Thomas Bonnefille <thomas.bonnefille@bootlin.com>
+
+description:
+ Datasheet at https://github.com/sophgo/sophgo-doc/releases
+
+properties:
+ compatible:
+ const: sophgo,cv18xx-saradc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ description:
+ SARADC will use the presence of this clock to determine if the controller
+ needs to be explicitly clocked by it (Active domain) or if it is part of
+ the No-Die Domain, along with the RTC, which does not require explicit
+ clocking.
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ # ADC in the Active domain
+ adc@30f0000 {
+ compatible = "sophgo,cv18xx-saradc";
+ clocks = <&clk CLK_SARADC>;
+ interrupts = <100 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x030F0000 0x1000>;
+ };
+ - |
+ # ADC in the No-Die domain
+ adc@502c000 {
+ compatible = "sophgo,cv18xx-saradc";
+ reg = <0x0502C000 0x1000>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index aacccb376c28..dc87898c518c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20901,6 +20901,11 @@ S: Maintained
N: sophgo
K: sophgo
+SOPHGO SARADC DEVICE DRIVER
+M: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
+S: Maintained
+F: Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml
+
SOUND
M: Jaroslav Kysela <perex@perex.cz>
M: Takashi Iwai <tiwai@suse.com>
--
2.45.2On 02/07/2024 13:52, Thomas Bonnefille wrote: > The Sophgo SARADC is a Successive Approximation ADC that can be found in > the Sophgo SoC. > > Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> > --- > .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ > MAINTAINERS | 5 +++ > 2 files changed, 56 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml > new file mode 100644 > index 000000000000..21fd5dc8e24e > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml > @@ -0,0 +1,51 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sophgo 3 channels Successive Approximation Analog to Digital Converters > + > +maintainers: > + - Thomas Bonnefille <thomas.bonnefille@bootlin.com> > + > +description: > + Datasheet at https://github.com/sophgo/sophgo-doc/releases > + > +properties: > + compatible: > + const: sophgo,cv18xx-saradc Except that this was never tested... wild-cards are generally not allowed. Best regards, Krzysztof
Hello Krzysztof, Thank you for your feedback On 7/3/24 7:08 AM, Krzysztof Kozlowski wrote: > On 02/07/2024 13:52, Thomas Bonnefille wrote: >> The Sophgo SARADC is a Successive Approximation ADC that can be found in >> the Sophgo SoC. >> >> Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> >> --- >> .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ >> MAINTAINERS | 5 +++ >> 2 files changed, 56 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >> new file mode 100644 >> index 000000000000..21fd5dc8e24e >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >> @@ -0,0 +1,51 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Sophgo 3 channels Successive Approximation Analog to Digital Converters >> + >> +maintainers: >> + - Thomas Bonnefille <thomas.bonnefille@bootlin.com> >> + >> +description: >> + Datasheet at https://github.com/sophgo/sophgo-doc/releases >> + >> +properties: >> + compatible: >> + const: sophgo,cv18xx-saradc > > Except that this was never tested... wild-cards are generally not allowed. > I realized I made a mistake when using the "make dt_binding_check" command, which led to some errors in this dt_binding. I have now addressed all of them, but I'm not sure I understand your comment. I don't see any wildcards in the YAML file. Could you please provide more details on what you expect? Best regards, Thomas
On 04/07/2024 10:35, Thomas Bonnefille wrote: > Hello Krzysztof, > Thank you for your feedback > > On 7/3/24 7:08 AM, Krzysztof Kozlowski wrote: >> On 02/07/2024 13:52, Thomas Bonnefille wrote: >>> The Sophgo SARADC is a Successive Approximation ADC that can be found in >>> the Sophgo SoC. >>> >>> Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> >>> --- >>> .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ >>> MAINTAINERS | 5 +++ >>> 2 files changed, 56 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >>> new file mode 100644 >>> index 000000000000..21fd5dc8e24e >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >>> @@ -0,0 +1,51 @@ >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml# >>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>> + >>> +title: Sophgo 3 channels Successive Approximation Analog to Digital Converters >>> + >>> +maintainers: >>> + - Thomas Bonnefille <thomas.bonnefille@bootlin.com> >>> + >>> +description: >>> + Datasheet at https://github.com/sophgo/sophgo-doc/releases >>> + >>> +properties: >>> + compatible: >>> + const: sophgo,cv18xx-saradc >> >> Except that this was never tested... wild-cards are generally not allowed. >> > > I realized I made a mistake when using the "make dt_binding_check" > command, which led to some errors in this dt_binding. I have now > addressed all of them, but I'm not sure I understand your comment. > > I don't see any wildcards in the YAML file. Could you please provide > more details on what you expect? What is "xx"? Sounds like wildcard. I do not see such SoC compatible. Best regards, Krzysztof
On 7/4/24 10:39 AM, Krzysztof Kozlowski wrote: > On 04/07/2024 10:35, Thomas Bonnefille wrote: >> Hello Krzysztof, >> Thank you for your feedback >> >> On 7/3/24 7:08 AM, Krzysztof Kozlowski wrote: >>> On 02/07/2024 13:52, Thomas Bonnefille wrote: >>>> The Sophgo SARADC is a Successive Approximation ADC that can be found in >>>> the Sophgo SoC. >>>> >>>> Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> >>>> --- >>>> .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ >>>> MAINTAINERS | 5 +++ >>>> 2 files changed, 56 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >>>> new file mode 100644 >>>> index 000000000000..21fd5dc8e24e >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >>>> @@ -0,0 +1,51 @@ >>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>>> +%YAML 1.2 >>>> +--- >>>> +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml# >>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>> + >>>> +title: Sophgo 3 channels Successive Approximation Analog to Digital Converters >>>> + >>>> +maintainers: >>>> + - Thomas Bonnefille <thomas.bonnefille@bootlin.com> >>>> + >>>> +description: >>>> + Datasheet at https://github.com/sophgo/sophgo-doc/releases >>>> + >>>> +properties: >>>> + compatible: >>>> + const: sophgo,cv18xx-saradc >>> >>> Except that this was never tested... wild-cards are generally not allowed. >>> >> >> I realized I made a mistake when using the "make dt_binding_check" >> command, which led to some errors in this dt_binding. I have now >> addressed all of them, but I'm not sure I understand your comment. >> >> I don't see any wildcards in the YAML file. Could you please provide >> more details on what you expect? > > What is "xx"? Sounds like wildcard. I do not see such SoC compatible. > The point of cv18xx is to have a single compatible for all SoCs of the cv18xx series from Sophgo (cv1800b, cv1812h but also sg2000 and sg2002). I used that as a reflection of the cv18xx.dtsi used for all those SoCs. Should I create multiple compatible for all the SoCs of a same brand ? > Best regards, > Krzysztof >
On 04/07/2024 10:52, Thomas Bonnefille wrote: > > > On 7/4/24 10:39 AM, Krzysztof Kozlowski wrote: >> On 04/07/2024 10:35, Thomas Bonnefille wrote: >>> Hello Krzysztof, >>> Thank you for your feedback >>> >>> On 7/3/24 7:08 AM, Krzysztof Kozlowski wrote: >>>> On 02/07/2024 13:52, Thomas Bonnefille wrote: >>>>> The Sophgo SARADC is a Successive Approximation ADC that can be found in >>>>> the Sophgo SoC. >>>>> >>>>> Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> >>>>> --- >>>>> .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ >>>>> MAINTAINERS | 5 +++ >>>>> 2 files changed, 56 insertions(+) >>>>> >>>>> diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >>>>> new file mode 100644 >>>>> index 000000000000..21fd5dc8e24e >>>>> --- /dev/null >>>>> +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml >>>>> @@ -0,0 +1,51 @@ >>>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>>>> +%YAML 1.2 >>>>> +--- >>>>> +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml# >>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>>> + >>>>> +title: Sophgo 3 channels Successive Approximation Analog to Digital Converters >>>>> + >>>>> +maintainers: >>>>> + - Thomas Bonnefille <thomas.bonnefille@bootlin.com> >>>>> + >>>>> +description: >>>>> + Datasheet at https://github.com/sophgo/sophgo-doc/releases >>>>> + >>>>> +properties: >>>>> + compatible: >>>>> + const: sophgo,cv18xx-saradc >>>> >>>> Except that this was never tested... wild-cards are generally not allowed. >>>> >>> >>> I realized I made a mistake when using the "make dt_binding_check" >>> command, which led to some errors in this dt_binding. I have now >>> addressed all of them, but I'm not sure I understand your comment. >>> >>> I don't see any wildcards in the YAML file. Could you please provide >>> more details on what you expect? >> >> What is "xx"? Sounds like wildcard. I do not see such SoC compatible. >> > > The point of cv18xx is to have a single compatible for all SoCs of the > cv18xx series from Sophgo (cv1800b, cv1812h but also sg2000 and sg2002). > I used that as a reflection of the cv18xx.dtsi used for all those SoCs. > > Should I create multiple compatible for all the SoCs of a same brand ? See writing bindings (and numerous presentation on this topic). Best regards, Krzysztof
On Tue, 02 Jul 2024 13:52:21 +0200, Thomas Bonnefille wrote: > The Sophgo SARADC is a Successive Approximation ADC that can be found in > the Sophgo SoC. > > Signed-off-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com> > --- > .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ > MAINTAINERS | 5 +++ > 2 files changed, 56 insertions(+) > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml: 'oneOf' conditional failed, one must be fixed: 'unevaluatedProperties' is a required property 'additionalProperties' is a required property hint: Either unevaluatedProperties or additionalProperties must be present from schema $id: http://devicetree.org/meta-schemas/core.yaml# /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml: $id: Cannot determine base path from $id, relative path/filename doesn't match actual path or filename $id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml file: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml Error: Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.example.dts:24.11-12 syntax error FATAL ERROR: Unable to parse input tree make[2]: *** [scripts/Makefile.lib:427: Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.example.dtb] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/builds/robherring/dt-review-ci/linux/Makefile:1430: dt_binding_check] Error 2 make: *** [Makefile:240: __sub-make] Error 2 doc reference errors (make refcheckdocs): See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20240702-sg2002-adc-v1-1-ac66e076a756@bootlin.com The base for the series is generally the latest rc1. A different dependency should be noted in *this* patch. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit after running the above command yourself. Note that DT_SCHEMA_FILES can be set to your schema file to speed up checking your schema. However, it must be unset to test all examples with your schema.
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