OMAP™ Applications Processors

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OMAP™ Applications Processors

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DSI
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  • Forum Post: Re: Problems with DSI configuration

    Jorge Bustamante
    Hi Marcin, There are quite some restrictions to these values. You can take a look on this patch: thttp://review.omapzoom.org/#/c/16063/ This patch is for K3.0 (Icescream), not sure if it is ported for older kernels but you could get the idea. Basically you determine DISPC timings based...
    on Feb 17, 2012

  • Forum Post: how to solve this problem omap4460

    Johnny
    hi all: I have this issue ,the log is : [ 8.440734] (stk) :line discipline installed [ 8.447204] (stk) :TIInit_10.6.15.btsshell@android:/ $ [ 8.567443] PVR: Installing MISR with cookie c09692d8 [ 8.575653] PVR: Installing device LISR SGX ISR on IRQ 53 with cookie c79f5300 [ 8.584411] PVR: OSUnMapPhysToLin...
    on Apr 16, 2012

  • Forum Post: the omap4430 error "omapdss DISPC error: SYNC_LOST, disabling LCD"

    Johnny
    hi all: I worked on omap4430 blaze tablet using the kernel 3.0.8, and i used the chimei lcd to display. I registered on platform as showed: struct omap_dss_device omap4_lcd_device = { .type = OMAP_DISPLAY_TYPE_DPI, .name = "lcd", .driver_name = "chimei_lcd_panel", .data = &omap4_lcd_panel...
    on Apr 13, 2012

  • Forum Post: RE: splash screen support in uboot@Blaze board(OMAP4c)

    richard lkml
    Hi Gina, Thanks for pointing me out to this [splash screen support in uboot@Blaze board(OMAP4c)] I did configure all clocks/registers. To verify the same, i printed the DSS/DISPC/DSI registers in the kernel and hard-coded those values in U-Boot. Also did panel configuration. But unfortunately...
    on Jun 13, 2012

  • Forum Post: RE: Mipi DSI settings on ILI9486 panel

    Rafael Rodriguez
    Hi Wu The following registers draw my attention. You have: DSI_VM_TIMING1 ff011009 DSI_VM_TIMING3 02a101e0 DSI_TX_FIFO_VC_EMPTINESS 00000000 You should have DSI_VM_TIMING1 0001200a 00000000 000000010010 000000001010 DSI_HSA=0 DSI_HFP=18 DSI_HBP=10 DSI_VM_TIMING3 02a201e0 0000001010100010...
    on Oct 25, 2012

  • Forum Post: RE: Mipi DSI settings on ILI9486 panel

    zengxing yuan
    Hi Rafael, We used omap4460 in our design,we want to output 1280x800P60(VESA standards),from CSI1 port,how to configure panel timings? We use JR_4AI-1.4-P1_ OMAP4460 ,board-44xx-tablet-panel.c static struct omap_dss_device tablet_lcd_device = { .name = "lcd", .driver_name = "tc358765"...
    on Nov 26, 2012

  • Forum Post: MIPI DSI in videomode problems

    Ruud Siebierski
    Hi, I'm trying to get a MIPI-DSI panel running in videomode. The panel already was running in command-mode using the taal-driver. Now we also want to get videomode working. The panel is 800x480 pixels. The kernel I'm using is from the Linaro Android 12.04 build. It seems like there is no...
    on Nov 13, 2012

  • Forum Post: RE: MIPI DSI Data Lane ERRCONTENTIONLP1_3

    JH Tsou
    Is there any setup to let Data Lane output signal (waveform) without Panel attached ? or any driver can do that for pandaboard es ?
    on Feb 8, 2013

  • Forum Post: MIPI DSI Data Lane ERRCONTENTIONLP1_3

    JH Tsou
    I'm trying use pandaboard es to work with iphone4s panel which support MIPI DSI. I use panel-taal.c and modify board-omap4panda.c from spd4430.c . But i can't observe LP mode Data Lane waveform. But HS clock waveform can be observed. This may cause panel power-on sequence fail. How can i fix...
    on Feb 7, 2013

  • Forum Post: About MIPI DSI clock frequency for 720p@60fps of OMAP4460

    RY9983
    Hello. I am gonna use MIPI DSI I/F of OMAP4460. I would like to display 720p@60fps using 2 data lanes. I did a search but I can not find, so may I have your help? - What frequency should I set as DSI Clock for 720p@60fps on OMAP4460? Best regards, RY
    on Feb 27, 2013

  • Forum Post: RE: How to output HS clock under Low power mode ?

    JH Tsou
    Dear all: omapdss_dsi_vc_enable_hs(dssdev, td->channel, true); //===> will output HS clock and HS Data REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 13, 13); // ===> always DDR clock output omapdss_dsi_vc_enable_hs(dssdev, td->channel, false); // ===> Low power mode I try below: 1. omapdss_dsi_vc_enable_hs...
    on Mar 19, 2013

  • Forum Post: How to output HS clock under Low power mode ?

    JH Tsou
    Dear all: How to output HS clock under LP mode ? I find "REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 13, 13); " can always output HS clock regardless LP or HS mode. But how to toggle HS clock output immediately ?
    on Mar 14, 2013

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