drm/panel: ilitek-ili9881c: Add configuration for 5" Raspberry Pi 720x1280

Add configuration for the 5" Raspberry Pi 720x1280 DSI panel
based on ili9881. This uses 10px longer horizontal sync pulse
and 10px shorter HBP to avoid very short hsync pulse.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250904205743.186177-2-marek.vasut+renesas@mailbox.org

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index a72f589598356490cffe7335df64f1caf52db414..7ecb8122598123e4d6bdfee109659ebc6e577523 100644 (file)
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1224,6 +1224,194 @@ static const struct ili9881c_instr am8001280g_init[] = {
        ILI9881C_COMMAND_INSTR(MIPI_DCS_WRITE_POWER_SAVE, 0x00),
 };
 
+static const struct ili9881c_instr rpi_5inch_init[] = {
+       ILI9881C_SWITCH_PAGE_INSTR(3),
+       ILI9881C_COMMAND_INSTR(0x01, 0x00),
+       ILI9881C_COMMAND_INSTR(0x02, 0x00),
+       ILI9881C_COMMAND_INSTR(0x03, 0x73),
+       ILI9881C_COMMAND_INSTR(0x04, 0x73),
+       ILI9881C_COMMAND_INSTR(0x05, 0x00),
+       ILI9881C_COMMAND_INSTR(0x06, 0x06),
+       ILI9881C_COMMAND_INSTR(0x07, 0x02),
+       ILI9881C_COMMAND_INSTR(0x08, 0x00),
+       ILI9881C_COMMAND_INSTR(0x09, 0x01),
+       ILI9881C_COMMAND_INSTR(0x0a, 0x01),
+       ILI9881C_COMMAND_INSTR(0x0b, 0x01),
+       ILI9881C_COMMAND_INSTR(0x0c, 0x01),
+       ILI9881C_COMMAND_INSTR(0x0d, 0x01),
+       ILI9881C_COMMAND_INSTR(0x0e, 0x01),
+       ILI9881C_COMMAND_INSTR(0x0f, 0x01),
+       ILI9881C_COMMAND_INSTR(0x10, 0x01),
+       ILI9881C_COMMAND_INSTR(0x11, 0x00),
+       ILI9881C_COMMAND_INSTR(0x12, 0x00),
+       ILI9881C_COMMAND_INSTR(0x13, 0x01),
+       ILI9881C_COMMAND_INSTR(0x14, 0x00),
+       ILI9881C_COMMAND_INSTR(0x15, 0x00),
+       ILI9881C_COMMAND_INSTR(0x16, 0x00),
+       ILI9881C_COMMAND_INSTR(0x17, 0x00),
+       ILI9881C_COMMAND_INSTR(0x18, 0x00),
+       ILI9881C_COMMAND_INSTR(0x19, 0x00),
+       ILI9881C_COMMAND_INSTR(0x1a, 0x00),
+       ILI9881C_COMMAND_INSTR(0x1b, 0x00),
+       ILI9881C_COMMAND_INSTR(0x1c, 0x00),
+       ILI9881C_COMMAND_INSTR(0x1d, 0x00),
+       ILI9881C_COMMAND_INSTR(0x1e, 0xc0),
+       ILI9881C_COMMAND_INSTR(0x1f, 0x80),
+       ILI9881C_COMMAND_INSTR(0x20, 0x04),
+       ILI9881C_COMMAND_INSTR(0x21, 0x03),
+       ILI9881C_COMMAND_INSTR(0x22, 0x00),
+       ILI9881C_COMMAND_INSTR(0x23, 0x00),
+       ILI9881C_COMMAND_INSTR(0x24, 0x00),
+       ILI9881C_COMMAND_INSTR(0x25, 0x00),
+       ILI9881C_COMMAND_INSTR(0x26, 0x00),
+       ILI9881C_COMMAND_INSTR(0x27, 0x00),
+       ILI9881C_COMMAND_INSTR(0x28, 0x33),
+       ILI9881C_COMMAND_INSTR(0x29, 0x03),
+       ILI9881C_COMMAND_INSTR(0x2a, 0x00),
+       ILI9881C_COMMAND_INSTR(0x2b, 0x00),
+       ILI9881C_COMMAND_INSTR(0x2c, 0x00),
+       ILI9881C_COMMAND_INSTR(0x2d, 0x00),
+       ILI9881C_COMMAND_INSTR(0x2e, 0x00),
+       ILI9881C_COMMAND_INSTR(0x2f, 0x00),
+       ILI9881C_COMMAND_INSTR(0x30, 0x00),
+       ILI9881C_COMMAND_INSTR(0x31, 0x00),
+       ILI9881C_COMMAND_INSTR(0x32, 0x00),
+       ILI9881C_COMMAND_INSTR(0x33, 0x00),
+       ILI9881C_COMMAND_INSTR(0x34, 0x03),
+       ILI9881C_COMMAND_INSTR(0x35, 0x00),
+       ILI9881C_COMMAND_INSTR(0x36, 0x03),
+       ILI9881C_COMMAND_INSTR(0x37, 0x00),
+       ILI9881C_COMMAND_INSTR(0x38, 0x00),
+       ILI9881C_COMMAND_INSTR(0x39, 0x00),
+       ILI9881C_COMMAND_INSTR(0x3a, 0x00),
+       ILI9881C_COMMAND_INSTR(0x3b, 0x00),
+       ILI9881C_COMMAND_INSTR(0x3c, 0x00),
+       ILI9881C_COMMAND_INSTR(0x3d, 0x00),
+       ILI9881C_COMMAND_INSTR(0x3e, 0x00),
+       ILI9881C_COMMAND_INSTR(0x3f, 0x00),
+       ILI9881C_COMMAND_INSTR(0x40, 0x00),
+       ILI9881C_COMMAND_INSTR(0x41, 0x00),
+       ILI9881C_COMMAND_INSTR(0x42, 0x00),
+       ILI9881C_COMMAND_INSTR(0x43, 0x00),
+       ILI9881C_COMMAND_INSTR(0x44, 0x00),
+       ILI9881C_COMMAND_INSTR(0x50, 0x01),
+       ILI9881C_COMMAND_INSTR(0x51, 0x23),
+       ILI9881C_COMMAND_INSTR(0x52, 0x45),
+       ILI9881C_COMMAND_INSTR(0x53, 0x67),
+       ILI9881C_COMMAND_INSTR(0x54, 0x89),
+       ILI9881C_COMMAND_INSTR(0x55, 0xab),
+       ILI9881C_COMMAND_INSTR(0x56, 0x01),
+       ILI9881C_COMMAND_INSTR(0x57, 0x23),
+       ILI9881C_COMMAND_INSTR(0x58, 0x45),
+       ILI9881C_COMMAND_INSTR(0x59, 0x67),
+       ILI9881C_COMMAND_INSTR(0x5a, 0x89),
+       ILI9881C_COMMAND_INSTR(0x5b, 0xab),
+       ILI9881C_COMMAND_INSTR(0x5c, 0xcd),
+       ILI9881C_COMMAND_INSTR(0x5d, 0xef),
+       ILI9881C_COMMAND_INSTR(0x5e, 0x10),
+       ILI9881C_COMMAND_INSTR(0x5f, 0x09),
+       ILI9881C_COMMAND_INSTR(0x60, 0x08),
+       ILI9881C_COMMAND_INSTR(0x61, 0x0f),
+       ILI9881C_COMMAND_INSTR(0x62, 0x0e),
+       ILI9881C_COMMAND_INSTR(0x63, 0x0d),
+       ILI9881C_COMMAND_INSTR(0x64, 0x0c),
+       ILI9881C_COMMAND_INSTR(0x65, 0x02),
+       ILI9881C_COMMAND_INSTR(0x66, 0x02),
+       ILI9881C_COMMAND_INSTR(0x67, 0x02),
+       ILI9881C_COMMAND_INSTR(0x68, 0x02),
+       ILI9881C_COMMAND_INSTR(0x69, 0x02),
+       ILI9881C_COMMAND_INSTR(0x6a, 0x02),
+       ILI9881C_COMMAND_INSTR(0x6b, 0x02),
+       ILI9881C_COMMAND_INSTR(0x6c, 0x02),
+       ILI9881C_COMMAND_INSTR(0x6d, 0x02),
+       ILI9881C_COMMAND_INSTR(0x6e, 0x02),
+       ILI9881C_COMMAND_INSTR(0x6f, 0x02),
+       ILI9881C_COMMAND_INSTR(0x70, 0x02),
+       ILI9881C_COMMAND_INSTR(0x71, 0x06),
+       ILI9881C_COMMAND_INSTR(0x72, 0x07),
+       ILI9881C_COMMAND_INSTR(0x73, 0x02),
+       ILI9881C_COMMAND_INSTR(0x74, 0x02),
+       ILI9881C_COMMAND_INSTR(0x75, 0x06),
+       ILI9881C_COMMAND_INSTR(0x76, 0x07),
+       ILI9881C_COMMAND_INSTR(0x77, 0x0e),
+       ILI9881C_COMMAND_INSTR(0x78, 0x0f),
+       ILI9881C_COMMAND_INSTR(0x79, 0x0c),
+       ILI9881C_COMMAND_INSTR(0x7a, 0x0d),
+       ILI9881C_COMMAND_INSTR(0x7b, 0x02),
+       ILI9881C_COMMAND_INSTR(0x7c, 0x02),
+       ILI9881C_COMMAND_INSTR(0x7d, 0x02),
+       ILI9881C_COMMAND_INSTR(0x7e, 0x02),
+       ILI9881C_COMMAND_INSTR(0x7f, 0x02),
+       ILI9881C_COMMAND_INSTR(0x80, 0x02),
+       ILI9881C_COMMAND_INSTR(0x81, 0x02),
+       ILI9881C_COMMAND_INSTR(0x82, 0x02),
+       ILI9881C_COMMAND_INSTR(0x83, 0x02),
+       ILI9881C_COMMAND_INSTR(0x84, 0x02),
+       ILI9881C_COMMAND_INSTR(0x85, 0x02),
+       ILI9881C_COMMAND_INSTR(0x86, 0x02),
+       ILI9881C_COMMAND_INSTR(0x87, 0x09),
+       ILI9881C_COMMAND_INSTR(0x88, 0x08),
+       ILI9881C_COMMAND_INSTR(0x89, 0x02),
+       ILI9881C_COMMAND_INSTR(0x8a, 0x02),
+       ILI9881C_SWITCH_PAGE_INSTR(4),
+       ILI9881C_COMMAND_INSTR(0x6c, 0x15),
+       ILI9881C_COMMAND_INSTR(0x6e, 0x2a),
+       ILI9881C_COMMAND_INSTR(0x6f, 0x57),
+       ILI9881C_COMMAND_INSTR(0x3a, 0xa4),
+       ILI9881C_COMMAND_INSTR(0x8d, 0x1a),
+       ILI9881C_COMMAND_INSTR(0x87, 0xba),
+       ILI9881C_COMMAND_INSTR(0x26, 0x76),
+       ILI9881C_COMMAND_INSTR(0xb2, 0xd1),
+       ILI9881C_SWITCH_PAGE_INSTR(1),
+       ILI9881C_COMMAND_INSTR(0x22, 0x0a),
+       ILI9881C_COMMAND_INSTR(0x31, 0x00),
+       ILI9881C_COMMAND_INSTR(0x53, 0x35),
+       ILI9881C_COMMAND_INSTR(0x55, 0x50),
+       ILI9881C_COMMAND_INSTR(0x50, 0xaf),
+       ILI9881C_COMMAND_INSTR(0x51, 0xaf),
+       ILI9881C_COMMAND_INSTR(0x60, 0x14),
+       ILI9881C_COMMAND_INSTR(0xa0, 0x08),
+       ILI9881C_COMMAND_INSTR(0xa1, 0x1d),
+       ILI9881C_COMMAND_INSTR(0xa2, 0x2c),
+       ILI9881C_COMMAND_INSTR(0xa3, 0x14),
+       ILI9881C_COMMAND_INSTR(0xa4, 0x19),
+       ILI9881C_COMMAND_INSTR(0xa5, 0x2e),
+       ILI9881C_COMMAND_INSTR(0xa6, 0x22),
+       ILI9881C_COMMAND_INSTR(0xa7, 0x23),
+       ILI9881C_COMMAND_INSTR(0xa8, 0x97),
+       ILI9881C_COMMAND_INSTR(0xa9, 0x1e),
+       ILI9881C_COMMAND_INSTR(0xaa, 0x29),
+       ILI9881C_COMMAND_INSTR(0xab, 0x7b),
+       ILI9881C_COMMAND_INSTR(0xac, 0x18),
+       ILI9881C_COMMAND_INSTR(0xad, 0x17),
+       ILI9881C_COMMAND_INSTR(0xae, 0x4b),
+       ILI9881C_COMMAND_INSTR(0xaf, 0x1f),
+       ILI9881C_COMMAND_INSTR(0xb0, 0x27),
+       ILI9881C_COMMAND_INSTR(0xb1, 0x52),
+       ILI9881C_COMMAND_INSTR(0xb2, 0x63),
+       ILI9881C_COMMAND_INSTR(0xb3, 0x39),
+       ILI9881C_COMMAND_INSTR(0xc0, 0x08),
+       ILI9881C_COMMAND_INSTR(0xc1, 0x1d),
+       ILI9881C_COMMAND_INSTR(0xc2, 0x2c),
+       ILI9881C_COMMAND_INSTR(0xc3, 0x14),
+       ILI9881C_COMMAND_INSTR(0xc4, 0x19),
+       ILI9881C_COMMAND_INSTR(0xc5, 0x2e),
+       ILI9881C_COMMAND_INSTR(0xc6, 0x22),
+       ILI9881C_COMMAND_INSTR(0xc7, 0x23),
+       ILI9881C_COMMAND_INSTR(0xc8, 0x97),
+       ILI9881C_COMMAND_INSTR(0xc9, 0x1e),
+       ILI9881C_COMMAND_INSTR(0xca, 0x29),
+       ILI9881C_COMMAND_INSTR(0xcb, 0x7b),
+       ILI9881C_COMMAND_INSTR(0xcc, 0x18),
+       ILI9881C_COMMAND_INSTR(0xcd, 0x17),
+       ILI9881C_COMMAND_INSTR(0xce, 0x4b),
+       ILI9881C_COMMAND_INSTR(0xcf, 0x1f),
+       ILI9881C_COMMAND_INSTR(0xd0, 0x27),
+       ILI9881C_COMMAND_INSTR(0xd1, 0x52),
+       ILI9881C_COMMAND_INSTR(0xd2, 0x63),
+       ILI9881C_COMMAND_INSTR(0xd3, 0x39),
+};
+
 static const struct ili9881c_instr rpi_7inch_init[] = {
        ILI9881C_SWITCH_PAGE_INSTR(3),
        ILI9881C_COMMAND_INSTR(0x01, 0x00),
@@ -1806,6 +1994,23 @@ static const struct drm_display_mode am8001280g_default_mode = {
        .height_mm      = 151,
 };
 
+static const struct drm_display_mode rpi_5inch_default_mode = {
+       .clock          = 83333,
+
+       .hdisplay       = 720,
+       .hsync_start    = 720 + 110,
+       .hsync_end      = 720 + 110 + 12,
+       .htotal         = 720 + 110 + 12 + 95,
+
+       .vdisplay       = 1280,
+       .vsync_start    = 1280 + 100,
+       .vsync_end      = 1280 + 100 + 2,
+       .vtotal         = 1280 + 100 + 2 + 100,
+
+       .width_mm       = 62,
+       .height_mm      = 110,
+};
+
 static const struct drm_display_mode rpi_7inch_default_mode = {
        .clock          = 83330,
 
@@ -2000,6 +2205,14 @@ static const struct ili9881c_desc am8001280g_desc = {
                      MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
 };
 
+static const struct ili9881c_desc rpi_5inch_desc = {
+       .init = rpi_5inch_init,
+       .init_length = ARRAY_SIZE(rpi_5inch_init),
+       .mode = &rpi_5inch_default_mode,
+       .mode_flags =  MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM,
+       .lanes = 2,
+};
+
 static const struct ili9881c_desc rpi_7inch_desc = {
        .init = rpi_7inch_init,
        .init_length = ARRAY_SIZE(rpi_7inch_init),
@@ -2025,6 +2238,7 @@ static const struct of_device_id ili9881c_of_match[] = {
        { .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc },
        { .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc },
        { .compatible = "ampire,am8001280g", .data = &am8001280g_desc },
+       { .compatible = "raspberrypi,dsi-5inch", &rpi_5inch_desc },
        { .compatible = "raspberrypi,dsi-7inch", &rpi_7inch_desc },
        { }
 };