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@xxxxxxxxx>
Cc: Fabian Vogt <fabian@xxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-simple.c | 63 ++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 5a93c4edf1e4..e5cfe1398a3b 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2761,6 +2761,63 @@ static const struct panel_desc arm_rtsm = {
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
};
+static const struct drm_display_mode nspire_cx_lcd_mode[] = {
+ {
+ .clock = 1000,
+ .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 nspire_cx_lcd_panel = {
+ .modes = 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 nspire_classic_lcd_mode[] = {
+ {
+ .clock = 1000,
+ .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 nspire_classic_lcd_panel = {
+ .modes = 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,
+};
+
static const struct of_device_id platform_of_match[] = {
{
.compatible = "ampire,am-480272h3tmqw-t01h",
@@ -2966,6 +3023,12 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "nlt,nl192108ac18-02d",
.data = &nlt_nl192108ac18_02d,
+ }, {
+ .compatible = "ti,nspire-cx-lcd-panel",
+ .data = &nspire_cx_lcd_panel,
+ }, {
+ .compatible = "ti,nspire-classic-lcd-panel",
+ .data = &nspire_classic_lcd_panel,
}, {
.compatible = "nvd,9128",
.data = &nvd_9128,
--
2.21.0
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