From ca6216fce8db1a22d20517a945f7e3551cafc98e Mon Sep 17 00:00:00 2001 From: Marko Kohtala Date: Tue, 18 Jun 2019 10:41:10 +0300 Subject: [PATCH] dt-bindings: display: ssd1307fb: Add initialization properties MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Document new bindings for adapting ssd1307fb driver to new displays. Signed-off-by: Marko Kohtala Reviewed-by: Rob Herring Cc: Mark Rutland Cc: Daniel Vetter Cc: David Airlie Cc: Michal Vokáč Signed-off-by: Bartlomiej Zolnierkiewicz Link: https://patchwork.freedesktop.org/patch/msgid/20190618074111.9309-6-marko.kohtala@okoko.fi --- .../devicetree/bindings/display/ssd1307fb.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/display/ssd1307fb.txt b/Documentation/devicetree/bindings/display/ssd1307fb.txt index b67f8caa212c..27333b9551b3 100644 --- a/Documentation/devicetree/bindings/display/ssd1307fb.txt +++ b/Documentation/devicetree/bindings/display/ssd1307fb.txt @@ -27,6 +27,15 @@ Optional properties: - solomon,prechargep2: Length of precharge period (phase 2) in clock cycles. This needs to be the higher, the higher the capacitance of the OLED's pixels is + - solomon,dclk-div: Clock divisor 1 to 16 + - solomon,dclk-frq: Clock frequency 0 to 15, higher value means higher + frequency + - solomon,lookup-table: 8 bit value array of current drive pulse widths for + BANK0, and colors A, B, and C. Each value in range + of 31 to 63 for pulse widths of 32 to 64. Color D + is always width 64. + - solomon,area-color-enable: Display uses color mode + - solomon,low-power. Display runs in low power mode [0]: Documentation/devicetree/bindings/pwm/pwm.txt @@ -46,4 +55,5 @@ ssd1306: oled@3c { solomon,com-lrremap; solomon,com-invdir; solomon,com-offset = <32>; + solomon,lookup-table = /bits/ 8 <0x3f 0x3f 0x3f 0x3f>; }; -- 2.30.2