This adds support for the TI nspire panels to the simple panel roster. This code is based on arch/arm/mach-nspire/clcd.c. This includes likely the first grayscale panel supported.
These panels will be used with the PL11x DRM driver. Cc: Daniel Tang <[email protected]> Cc: Fabian Vogt <[email protected]> Tested-by: Fabian Vogt <[email protected]> Signed-off-by: Linus Walleij <[email protected]> --- ChangeLog v1->v2: - Bump clock frequency to 10 MHz after Fabian's trial-and-error - Changed vsymbol names to ti_nspire_* - Sorted alphabetically - Specify positive edge on the classic display bus --- drivers/gpu/drm/panel/panel-simple.c | 64 ++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 5a93c4edf1e4..96f894b44313 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -2578,6 +2578,64 @@ static const struct panel_desc tianma_tm070rvhg71 = { .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG, }; +static const struct drm_display_mode ti_nspire_cx_lcd_mode[] = { + { + .clock = 10000, + .hdisplay = 320, + .hsync_start = 320 + 50, + .hsync_end = 320 + 50 + 6, + .htotal = 320 + 50 + 6 + 38, + .vdisplay = 240, + .vsync_start = 240 + 3, + .vsync_end = 240 + 3 + 1, + .vtotal = 240 + 3 + 1 + 17, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, + }, +}; + +static const struct panel_desc ti_nspire_cx_lcd_panel = { + .modes = ti_nspire_cx_lcd_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 65, + .height = 49, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, + .bus_flags = DRM_BUS_FLAG_PIXDATA_NEGEDGE, +}; + +static const struct drm_display_mode ti_nspire_classic_lcd_mode[] = { + { + .clock = 10000, + .hdisplay = 320, + .hsync_start = 320 + 6, + .hsync_end = 320 + 6 + 6, + .htotal = 320 + 6 + 6 + 6, + .vdisplay = 240, + .vsync_start = 240 + 0, + .vsync_end = 240 + 0 + 1, + .vtotal = 240 + 0 + 1 + 0, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC, + }, +}; + +static const struct panel_desc ti_nspire_classic_lcd_panel = { + .modes = ti_nspire_classic_lcd_mode, + .num_modes = 1, + /* The grayscale panel has 8 bit for the color .. Y (black) */ + .bpc = 8, + .size = { + .width = 71, + .height = 53, + }, + /* This is the grayscale bus format */ + .bus_format = MEDIA_BUS_FMT_Y8_1X8, + .bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE, +}; + static const struct drm_display_mode toshiba_lt089ac29000_mode = { .clock = 79500, .hdisplay = 1280, @@ -3029,6 +3087,12 @@ static const struct of_device_id platform_of_match[] = { }, { .compatible = "tianma,tm070rvhg71", .data = &tianma_tm070rvhg71, + }, { + .compatible = "ti,nspire-cx-lcd-panel", + .data = &ti_nspire_cx_lcd_panel, + }, { + .compatible = "ti,nspire-classic-lcd-panel", + .data = &ti_nspire_classic_lcd_panel, }, { .compatible = "toshiba,lt089ac29000", .data = &toshiba_lt089ac29000, -- 2.21.0 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
