Hi Linus,
On Mon, Aug 05, 2019 at 10:58:46AM +0200, Linus Walleij wrote:
> 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.ta...@gmail.com>
> Cc: Fabian Vogt <fab...@ritter-vogt.de>
> Tested-by: Fabian Vogt <fab...@ritter-vogt.de>
> Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
You can now add my:
Reviewed-by: Sam Ravnborg <s...@ravnborg.org>
I assume this will be applied as one series and you will do it when
ready.
Sam
> ---
> 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
>
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