Add a Device Tree binding schema for the OLED panels based on the Solomon
SSD132x family of controllers.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
(no changes since v3)
Changes in v3:
- Add Rob Herring's Reviewed-by tag to patch #6.
Changes in v2:
- Remove unnecessary 'oneOf' in the SSD132x DT binding schema (Conor Dooley).
- Remove unused DT nodes labels in the binding schema examples (Conor Dooley).
- Split out common Solomon properties into a separate schema (Rob Herring).
.../bindings/display/solomon,ssd132x.yaml | 89 +++++++++++++++++++
MAINTAINERS | 2 +-
2 files changed, 90 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/display/solomon,ssd132x.yaml
diff --git a/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml
new file mode 100644
index 000000000000..0aa41bd9ddca
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/solomon,ssd132x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Solomon SSD132x OLED Display Controllers
+
+maintainers:
+ - Javier Martinez Canillas <javierm@redhat.com>
+
+properties:
+ compatible:
+ - enum:
+ - solomon,ssd1322
+ - solomon,ssd1325
+ - solomon,ssd1327
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: solomon,ssd-common.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: solomon,ssd1322
+ then:
+ properties:
+ width:
+ default: 480
+ height:
+ default: 128
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: solomon,ssd1325
+ then:
+ properties:
+ width:
+ default: 128
+ height:
+ default: 80
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: solomon,ssd1327
+ then:
+ properties:
+ width:
+ default: 128
+ height:
+ default: 128
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oled@3c {
+ compatible = "solomon,ssd1327";
+ reg = <0x3c>;
+ reset-gpios = <&gpio2 7>;
+ };
+
+ };
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ oled@0 {
+ compatible = "solomon,ssd1327";
+ reg = <0x0>;
+ reset-gpios = <&gpio2 7>;
+ dc-gpios = <&gpio2 8>;
+ spi-max-frequency = <10000000>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index c63649e9ba58..4b518429458b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6766,7 +6766,7 @@ M: Javier Martinez Canillas <javierm@redhat.com>
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/solomon,ssd-common.yaml
-F: Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
+F: Documentation/devicetree/bindings/display/solomon,ssd13*.yaml
F: drivers/gpu/drm/solomon/ssd130x*
DRM DRIVER FOR ST-ERICSSON MCDE
--
2.41.0
On Sat, Oct 14, 2023 at 2:15 AM Javier Martinez Canillas <javierm@redhat.com> wrote: > > Add a Device Tree binding schema for the OLED panels based on the Solomon > SSD132x family of controllers. > > Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> > Reviewed-by: Rob Herring <robh@kernel.org> > Acked-by: Thomas Zimmermann <tzimmermann@suse.de> > --- > > (no changes since v3) > > Changes in v3: > - Add Rob Herring's Reviewed-by tag to patch #6. > > Changes in v2: > - Remove unnecessary 'oneOf' in the SSD132x DT binding schema (Conor Dooley). > - Remove unused DT nodes labels in the binding schema examples (Conor Dooley). > - Split out common Solomon properties into a separate schema (Rob Herring). > > .../bindings/display/solomon,ssd132x.yaml | 89 +++++++++++++++++++ > MAINTAINERS | 2 +- > 2 files changed, 90 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/display/solomon,ssd132x.yaml > > diff --git a/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml > new file mode 100644 > index 000000000000..0aa41bd9ddca > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/solomon,ssd132x.yaml > @@ -0,0 +1,89 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/solomon,ssd132x.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Solomon SSD132x OLED Display Controllers > + > +maintainers: > + - Javier Martinez Canillas <javierm@redhat.com> > + > +properties: > + compatible: > + - enum: Now this is a warning in linux-next. The '-' should not be there. Please send a fix. Not sure why there wasn't a report, but most likely it didn't apply to v6.6-rc1. Rob > + - solomon,ssd1322 > + - solomon,ssd1325 > + - solomon,ssd1327
Rob Herring <robh@kernel.org> writes: Hello Rob, > On Sat, Oct 14, 2023 at 2:15 AM Javier Martinez Canillas > <javierm@redhat.com> wrote: [...] >> +maintainers: >> + - Javier Martinez Canillas <javierm@redhat.com> >> + >> +properties: >> + compatible: >> + - enum: > > Now this is a warning in linux-next. The '-' should not be there. > Please send a fix. > Sure, I'll post a fix. Thanks for reporting the issue. This is a leftover from when the compatible string enum was a 'oneOf' child and the 'oneOf' got removed during the binding schema review. > Not sure why there wasn't a report, but most likely it didn't apply to v6.6-rc1. > Yes, I'm not sure either. I didn't notice it when testing with: make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/solomon,ssd132x.yaml > Rob > -- Best regards, Javier Martinez Canillas Core Platforms Red Hat
© 2016 - 2025 Red Hat, Inc.