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dt-bindings: display: Add Document for Rockchip EINK panel

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Change-Id: I542f7a38998a56bf4eab9d79d4c34bd4ad576eae
Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
This commit is contained in:
Chaoyi Chen
2024-02-25 14:40:43 +08:00
committed by Tao Huang
parent 09bbffb298
commit e53dabb0a0
1 changed files with 95 additions and 0 deletions
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Documentation/devicetree/bindings/display/rockchip/rockchip-eink-panel.txt Normal file
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Rockchip EINK panel
================================
EINK panel timing:
│ │FBL+FSL
│ │
│ │
LBL+LSL│ LDL │ LEL
─────┼────────────────────────────┼───────
│ │
│ │
│ Active Area │FDL
│ │
│ │
─────┼────────────────────────────┼───────
│ │
│ │FEL
│ │
│ │
┌─────────────────────────────────────────────┐
│ Active Area │
│ ┌────────────────────────────┐ │
│ │ │ │
│ │ │ │
│ │ Visible Area │height │vir_height
│ │ │ │
│ │ │ │
│ └────────────────────────────┘ │
│ vidth │
└─────────────────────────────────────────────┘
vir_width
----
Required properties:
- panel,width: visible width of panel in pixels
- panel,height: visible height of panel in pixels
- panel,vir_width: virtual width of panel pixels
- panel,vir_height: virtual height of panel pixels
- panel,sdck: frequency of sdclk in Hz
- panel,lsl: line start length
- panel,lbl: line back porch length
- panel,ldl: line data length
- panel,lel: line end porch length
- panel,gdck-sta: gdck-sta length
- panel,lgonl: lgonl length
- panel,fsl: frame start length
- panel,fbl: frame back porch length
- panel,fdl: frame data length
- panel,fel: frame end porch length
- panel,panel_16bit: 1 for 16bit panel, 0 for 8bit panel
- panel,panel_color: 1 for color panel, 0 for normal panel
- panel,mirror: line scan direction. 0 for from left to right,
1 for from right to left.
- panel,rearrange: image data need special arrangement.
1 for special arrangement, 0 for no arrangement.
- panel,width-mm: physical width of panel in millimeters
- panel,height-mm: physical height of panel in millimeters
Optional properties:
- panel,sdoe_mode: SDOE signal mode setting.
Set to 1, SDOE is active during total horizon.
Set to 0, SDOE is active during total vertical.
If not set, the default value is 0.
- panel,sdce_width: width of SDCE signal.
If not set, the default value is same as "panel,ldl".
- panel,disable_logo: disable show logo. 1 for disable logo, 0 for enable logo.
If not set, the default value is 0.
Example:
&ebc_dev {
/* ED103TC2 panel */
panel,width = <1872>;
panel,height = <1404>;
panel,vir_width = <1872>;
panel,vir_height = <1404>;
panel,sdck = <34000000>;
panel,lsl = <18>;
panel,lbl = <17>;
panel,ldl = <234>;
panel,lel = <7>;
panel,gdck-sta = <34>;
panel,lgonl = <192>;
panel,fsl = <1>;
panel,fbl = <4>;
panel,fdl = <1404>;
panel,fel = <12>;
panel,mirror = <1>;
panel,panel_16bit = <1>;
panel,panel_color = <0>;
panel,width-mm = <157>;
panel,height-mm = <210>;
};