The Solomon SSD130x OLED displays can either have an I2C or SPI interface,
add to the schema the compatible strings, properties and examples for SPI.
Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
---
.../bindings/display/solomon,ssd1307fb.yaml | 89 +++++++++++++++----
1 file changed, 71 insertions(+), 18 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
index 46207f2c12b8..05e7975296a7 100644
--- a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
+++ b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
@@ -31,6 +31,15 @@ properties:
- solomon,ssd1307-i2c
- solomon,ssd1309-i2c
+ # SSD130x SPI controllers
+ - items:
+ - enum:
+ - sinowealth,sh1106-spi
+ - solomon,ssd1305-spi
+ - solomon,ssd1306-spi
+ - solomon,ssd1307-spi
+ - solomon,ssd1309-spi
+
reg:
maxItems: 1
@@ -40,9 +49,14 @@ properties:
reset-gpios:
maxItems: 1
+ dc-gpios:
+ maxItems: 1
+
vbat-supply:
description: The supply for VBAT
+ spi-max-frequency: true
+
solomon,height:
$ref: /schemas/types.yaml#/definitions/uint32
default: 16
@@ -148,19 +162,10 @@ allOf:
properties:
compatible:
contains:
- const: sinowealth,sh1106-i2c
- then:
- properties:
- solomon,dclk-div:
- default: 1
- solomon,dclk-frq:
- default: 5
-
- - if:
- properties:
- compatible:
- contains:
- const: solomon,ssd1305-i2c
+ enum:
+ - sinowealth,sh1106-i2c
+ - solomon,ssd1305-i2c
+ - solomon,ssd1305-spi
then:
properties:
solomon,dclk-div:
@@ -172,7 +177,9 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1306-i2c
+ enum:
+ - solomon,ssd1306-i2c
+ - solomon,ssd1306-spi
then:
properties:
solomon,dclk-div:
@@ -184,7 +191,9 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1307-i2c
+ enum:
+ - solomon,ssd1307-i2c
+ - solomon,ssd1307-spi
then:
properties:
solomon,dclk-div:
@@ -198,7 +207,9 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1309-i2c
+ enum:
+ - solomon,ssd1309-i2c
+ - solomon,ssd1309-spi
then:
properties:
solomon,dclk-div:
@@ -206,6 +217,21 @@ allOf:
solomon,dclk-frq:
default: 10
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - sinowealth,sh1106-spi
+ - solomon,ssd1305-spi
+ - solomon,ssd1306-spi
+ - solomon,ssd1307-spi
+ - solomon,ssd1309-spi
+ then:
+ required:
+ - spi-max-frequency
+ - dc-gpios
+
additionalProperties: false
examples:
@@ -214,14 +240,14 @@ examples:
#address-cells = <1>;
#size-cells = <0>;
- ssd1307: oled@3c {
+ ssd1307_i2c: oled@3c {
compatible = "solomon,ssd1307-i2c";
reg = <0x3c>;
pwms = <&pwm 4 3000>;
reset-gpios = <&gpio2 7>;
};
- ssd1306: oled@3d {
+ ssd1306_i2c: oled@3d {
compatible = "solomon,ssd1306-i2c";
reg = <0x3c>;
pwms = <&pwm 4 3000>;
@@ -232,3 +258,30 @@ examples:
solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>;
};
};
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ssd1307_spi: oled@0 {
+ compatible = "solomon,ssd1307-spi";
+ reg = <0x0>;
+ pwms = <&pwm 4 3000>;
+ reset-gpios = <&gpio2 7>;
+ dc-gpios = <&gpio2 8>;
+ spi-max-frequency = <10000000>;
+ };
+
+ ssd1306_spi: oled@1 {
+ compatible = "solomon,ssd1306-spi";
+ reg = <0x1>;
+ pwms = <&pwm 4 3000>;
+ reset-gpios = <&gpio2 7>;
+ dc-gpios = <&gpio2 8>;
+ spi-max-frequency = <10000000>;
+ solomon,com-lrremap;
+ solomon,com-invdir;
+ solomon,com-offset = <32>;
+ solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>;
+ };
+ };
--
2.35.1
