Qualcomm mdss-dsi-panel mdss-dsi-panel is a dsi panel device which supports panels that are compatable with MIPI display serial interface specification. Required properties: - compatible: Specifies the version for DSI HW. that this panel will be worked with "qcom,mdss-dsi-panel" = DSI v6.0 "qcom,dsi-panel-v2" = DSI V2.0 - status: A string that has to be set to "okay/ok" to enable the panel driver. By default this property will be set to "disable". Will be set to "ok/okay" status for specific platforms. - qcom,dsi-ctrl-phandle: Specifies the phandle for the DSI controller that this panel will be mapped to. - qcom,mdss-pan-res: A two dimensional array that specifies the panel resolution. - qcom,mdss-pan-bpp: Specifies the panel bits per pixel. Default value is 24(rgb888). 18 = for rgb666 16 = for rgb565 - qcom,mdss-pan-dest: A string that specifies the destination display for the panel. Default is "display_1". "display_1" = DISPLAY_1 "display_2" = DISPLAY_2 - qcom,panel-phy-regulatorSettings: An array of length 7 that specifies the PHY regulator settings for the panel. - qcom,panel-phy-timingSettings: An array of length 12 that specifies the PHY timing settings for the panel. - qcom,panel-phy-strengthCtrl: An array of length 2 that specifies the PHY strengthCtrl settings for the panel. - qcom,panel-phy-bistCtrl: An array of length 6 that specifies the PHY BIST ctrl settings for the panel. - qcom,panel-phy-laneConfig: An array of length 45 that specifies the PHY lane configuration settings for the panel. - qcom,mdss-panel-on-cmds: An array of variable length that lists the init commands of the panel. Each command will have the format specified as below: --> data type of the command --> specifies whether this command packet is last. --> virtual channel --> Needs acknowledge from the panel or not. --> wait time after the command is transmitter. --> size of payload --> payload. - qcom,mdss-panel-off-cmds: An array of variable length that lists the panel off commands. Each command will have the format specified as below: --> data type of the command --> specifies whether this command packet is last. --> virtual channel --> Needs acknowledge from the panel or not. --> wait time after the command is transmitter. --> size of payload --> payload. Optional properties: - label: A string used as a descriptive name of the panel - qcom,enable-gpio: Specifies the panel lcd/display enable gpio. - qcom,rst-gpio: Specifies the panel reset gpio. - qcom,te-gpio: Specifies the gpio used for TE. - qcom,pwm-lpg-channel: LPG channel for backlight. - qcom,pwm-period: PWM period in microseconds. - qcom,pwm-pmic-gpio: PMIC gpio binding to backlight. - qcom,mdss-pan-broadcast-mode: Boolean used to enable broadcast mode. - qcom,cont-splash-enabled: Boolean used to enable continuous splash mode. - qcom,fbc-enabled: Boolean used to enable frame buffer compression mode. - qcom,fbc-mode-select: An array of length 7 that specifies the fbc mode supported by the panel. FBC enabled panels may or may not support the modes specified here. Each entry will have the format specified below: --> compressed bpp supported by the panel --> component packing --> enable/disable quantization error calculation --> Bias for CD --> enable/disable PAT mode --> enable/disable VLC mode --> enable/disable BFLC mode - qcom,fbc-budget-ctl: An array of length 3 that specifies the budget control settings supported by the fbc enabled panel. Each entry will have the format specified below: --> per line extra budget --> extra budget level --> per block budget - qcom,fbc-lossy-mode: An array of 3 that specifies the lossy mode settings supported by the fbc enabled panel. Each entry will have the format specified below: --> lossless mode threshold --> lossy mode threshold --> lossy RGB threshold - qcom,mdss-pan-porch-values: An array of size 6 that specifies the panel blanking values. - qcom,mdss-pan-underflow-clr: Specifies the controller settings for the panel underflow clear settings. Default value is 0xff. - qcom,mdss-pan-bl-ctrl: A string that specifies the implementation of backlight control for this panel. "bl_ctrl_pwm" = Backlight controlled by PWM gpio. "bl_ctrl_wled" = Backlight controlled by WLED. "bl_ctrl_dcs_cmds" = Backlight controlled by DCS commands. - qcom,mdss-pan-bl-levels: Specifies the backlight levels supported by the panel. Default range is 1 to 255. - qcom,mdss-pan-dsi-mode: Specifies the panel operating mode. 0 = enable video mode(default mode). 1 = enable command mode. - qcom,mdss-vsync-enable: Specifies Tear Check configuration. 0 = TE disable. 1 = TE enable. - qcom,mdss-hw-vsync-mode: Specifies TE type. 0 = software vsync. 1 = hardware vsync (TE gpio pin). - qcom,mdss-pan-te-sel: Specifies TE operating mode. 0 = TE through embedded dcs command 1 = TE through TE gpio pin. - qcom,mdss-pan-dsi-h-pulse-mode: Specifies the pulse mode option for the panel. 0 = Don't send hsa/he following vs/ve packet(default) 1 = Send hsa/he following vs/ve packet - qcom,mdss-pan-dsi-h-power-stop: An Array of size 3 that specifies the power mode during horizontal porch and sync periods of the panel. 0 = high speed mode(default mode). 1 = Low power mode for horizontal porches and sync pulse. - qcom,mdss-pan-dsi-bllp-power-stop: An Array of size 2 that specifies the power mode during blanking period and after EOF(end of frame). 0 = high speed mode(default mode). 1 = Low power mode during blanking and EOF. - qcom,mdss-pan-dsi-traffic-mode: Specifies the panel traffic mode. 0 = non burst with sync pulses (default mode). 1 = non burst with sync start event. 2 = burst mode. - qcom,mdss-pan-dsi-dst-format: Specifies the destination format. 0 = DSI_VIDEO_DST_FORMAT_RGB565. 1 = DSI_VIDEO_DST_FORMAT_RGB666. 2 = DSI_VIDEO_DST_FORMAT_RGB666_LOOSE. 3 = DSI_VIDEO_DST_FORMAT_RGB888 (Default format) 6 = DSI_CMD_DST_FORMAT_RGB565 7 = DSI_CMD_DST_FORMAT_RGB666 8 = DSI_CMD_DST_FORMAT_RGB888 - qcom,mdss-pan-dsi-vc: Specifies the virtual channel identefier. 0 = default value. - qcom,mdss-pan-dsi-rgb-swap: Specifies the R, G and B channel ordering. 0 = DSI_RGB_SWAP_RGB (default value) 1 = DSI_RGB_SWAP_RBG 2 = DSI_RGB_SWAP_BGR 3 = DSI_RGB_SWAP_BRG 4 = DSI_RGB_SWAP_GRB 5 = DSI_RGB_SWAP_GBR - qcom,mdss-pan-dsi-data-lanes: An array that specifies the data lanes enabled. <1 1 0 0> = data lanes 1 and 2 are enabled.(default). - qcom,mdss-pan-dsi-dlane-swap: Specifies the data lane swap configuration. 0 = <0 1 2 3> (default value) 1 = <3 0 1 2> 2 = <2 3 0 1> 3 = <1 2 3 0> 4 = <0 3 2 1> 5 = <1 0 3 2> 6 = <2 1 0 3> 7 = <3 2 1 0> - qcom,mdss-pan-dsi-t-clk: An array that specifies the byte clock cycles before and after each mode switch. - qcom,mdss-pan-dsi-stream: Specifies the packet stream to be used. 0 = stream 0 (default) 1 = stream 1 - qcom,mdss-pan-dsi-mdp-tr: Specifies the trigger mechanism to be used for MDP path. 0 = no trigger 2 = Tear check signal line used for trigger 4 = Triggered by software (default mode) 6 = Software trigger and TE - qcom,mdss-pan-dsi-dma-tr: Specifies the trigger mechanism to be used for DMA path. 0 = no trigger 2 = Tear check signal line used for trigger 4 = Triggered by software (default mode) 5 = Software trigger and start/end of frame trigger. 6 = Software trigger and TE - qcom,mdss-pan-dsi-frame-rate: Specifies the frame rate for the panel. 60 = 60 frames per second (default) - qcom,on-cmds-dsi-state: A string that Specifies the ctrl state for sending ON commands. Supported modes are "DSI_LP_MODE" and "DSI_HS_MODE". - qcom,off-cmds-dsi-state: A string that Specifies the ctrl state for sending ON commands. Supported modes are "DSI_LP_MODE" and "DSI_HS_MODE". - qcom,panel-on-cmds: A byte stream formed by multiple dcs packets base on qcom dsi controller protocol. byte 0 : dcs data type byte 1 : set to indicate this is an individual packet (no chain). byte 2 : virtual channel number byte 3 : expect ack from client (dcs read command) byte 4 : wait number of specified ms after dcs command transmitted byte 5, 6: 16 bits length in network byte order byte 7 and beyond: number byte of payload Note, if a given optional qcom,* binding is not present, then the driver will configure the default values specified. Example: / { qcom,mdss_dsi_sim_video { compatible = "qcom,mdss-dsi-panel"; label = "simulator video mode dsi panel"; status = "disable"; qcom,dsi-ctrl-phandle = <&mdss_dsi0>; qcom,mdss-pan-res = <640 480>; qcom,mdss-pan-bpp = <24>; qcom,mdss-pan-dest = "display_1"; qcom,mdss-pan-porch-values = <6 2 6 6 2 6>; qcom,mdss-pan-underflow-clr = <0xff>; qcom,mdss-pan-bl-levels = <1 15>; qcom,mdss-pan-dsi-mode = <0>; qcom,mdss-pan-dsi-h-pulse-mode = <1>; qcom,mdss-pan-dsi-h-power-stop = <1 1 1>; qcom,mdss-pan-dsi-bllp-power-stop = <1 1>; qcom,mdss-pan-dsi-traffic-mode = <0>; qcom,mdss-pan-dsi-dst-format = <3>; qcom,mdss-pan-dsi-vc = <0>; qcom,mdss-pan-dsi-rgb-swap = <0>; qcom,mdss-pan-dsi-data-lanes = <1 1 0 0>; qcom,mdss-pan-dsi-t-clk = <0x24 0x03>; qcom,mdss-pan-dsi-stream = <0>; qcom,mdss-pan-dsi-mdp-tr = <0x04>; qcom,mdss-pan-dsi-dma-tr = <0x04>; qcom,mdss-pan-frame-rate = <60>; qcom,panel-on-cmds = [32 01 00 00 00 00 02 00 00]; qcom,on-cmds-dsi-state = "DSI_LP_MODE"; qcom,panel-off-cmds = [22 01 00 00 00 00 00]; qcom,off-cmds-dsi-state = "DSI LP MODE"; qcom,fbc-enabled; qcom,fbc-mode = <12 0 1 2 1 1 1>; qcom,fbc-budget-ctl = <675 5 91>; qcom,fbc-lossy-mode = <0 0xc0 0 3>; }; };