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Date: Mon, 11 Apr 2022 23:12:39 +0200
From: Javier Martinez Canillas <javierm@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>, dri-devel@...ts.freedesktop.org,
Neil Armstrong <narmstrong@...libre.com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Mark Brown <broonie@...nel.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Chen-Yu Tsai <wens@...nel.org>,
Javier Martinez Canillas <javierm@...hat.com>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...ux.ie>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: [PATCH v2 1/5] dt-bindings: display: ssd1307fb: Deprecate "-i2c" compatible strings
The current compatible strings for SSD130x I2C controllers contain both an
"fb" and "-i2c" suffixes. It seems to indicate that are for a fbdev driver
and also that are for devices that can be accessed over an I2C bus.
But a DT is supposed to describe the hardware and not Linux implementation
details. So let's deprecate those compatible strings and add new ones that
only contain the vendor and device name, without any of these suffixes.
These will just describe the device and can be matched by both I2C and SPI
DRM drivers.
Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
Acked-by: Mark Brown <broonie@...nel.org>
---
Changes in v2:
- Drop the -i2c suffixes from the compatible strings too (Geert Uytterhoeven).
.../bindings/display/solomon,ssd1307fb.yaml | 37 ++++++++++++-------
1 file changed, 24 insertions(+), 13 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
index ade61d502edd..6b9d0c72739a 100644
--- a/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
+++ b/Documentation/devicetree/bindings/display/solomon,ssd1307fb.yaml
@@ -12,12 +12,23 @@ maintainers:
properties:
compatible:
- enum:
- - sinowealth,sh1106-i2c
- - solomon,ssd1305fb-i2c
- - solomon,ssd1306fb-i2c
- - solomon,ssd1307fb-i2c
- - solomon,ssd1309fb-i2c
+ oneOf:
+ # Deprecated compatible strings
+ - items:
+ - enum:
+ - sinowealth,sh1106-i2c
+ - solomon,ssd1305fb-i2c
+ - solomon,ssd1306fb-i2c
+ - solomon,ssd1307fb-i2c
+ - solomon,ssd1309fb-i2c
+ deprecated: true
+ - items:
+ - enum:
+ - sinowealth,sh1106
+ - solomon,ssd1305
+ - solomon,ssd1306
+ - solomon,ssd1307
+ - solomon,ssd1309
reg:
maxItems: 1
@@ -136,7 +147,7 @@ allOf:
properties:
compatible:
contains:
- const: sinowealth,sh1106-i2c
+ const: sinowealth,sh1106
then:
properties:
solomon,dclk-div:
@@ -148,7 +159,7 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1305fb-i2c
+ const: solomon,ssd1305
then:
properties:
solomon,dclk-div:
@@ -160,7 +171,7 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1306fb-i2c
+ const: solomon,ssd1306
then:
properties:
solomon,dclk-div:
@@ -172,7 +183,7 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1307fb-i2c
+ const: solomon,ssd1307
then:
properties:
solomon,dclk-div:
@@ -186,7 +197,7 @@ allOf:
properties:
compatible:
contains:
- const: solomon,ssd1309fb-i2c
+ const: solomon,ssd1309
then:
properties:
solomon,dclk-div:
@@ -203,14 +214,14 @@ examples:
#size-cells = <0>;
ssd1307: oled@3c {
- compatible = "solomon,ssd1307fb-i2c";
+ compatible = "solomon,ssd1307";
reg = <0x3c>;
pwms = <&pwm 4 3000>;
reset-gpios = <&gpio2 7>;
};
ssd1306: oled@3d {
- compatible = "solomon,ssd1306fb-i2c";
+ compatible = "solomon,ssd1306";
reg = <0x3c>;
pwms = <&pwm 4 3000>;
reset-gpios = <&gpio2 7>;
--
2.35.1
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