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| author | Linus Walleij <linus.walleij@linaro.org> | 2019-08-05 10:58:46 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-08-09 09:17:09 +0200 |
| commit | d8a0d6a3b7810fe3de723505c75f7f34ee6891df (patch) | |
| tree | 7ce9f21c10ae96186f4d5479b88b396846bf6433 /drivers | |
| parent | 0c76620e574557aea993fc88b39dc40de394f144 (diff) | |
| download | linux-d8a0d6a3b7810fe3de723505c75f7f34ee6891df.tar.bz2 | |
drm/panel: simple: Support TI nspire panels
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 <dt.tangr@gmail.com>
Cc: Fabian Vogt <fabian@ritter-vogt.de>
Tested-by: Fabian Vogt <fabian@ritter-vogt.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190805085847.25554-4-linus.walleij@linaro.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index bff7578f84dd..28fa6ba7b767 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -2833,6 +2833,64 @@ 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, @@ -3303,6 +3361,12 @@ 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, }, { |