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Marek Vasutsuperna9999
Marek Vasut
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superna9999
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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
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‎drivers/gpu/drm/panel/panel-ilitek-ili9881c.c‎

Lines changed: 214 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1224,6 +1224,194 @@ static const struct ili9881c_instr am8001280g_init[] = {
12241224
ILI9881C_COMMAND_INSTR(MIPI_DCS_WRITE_POWER_SAVE, 0x00),
12251225
};
12261226

1227+
static const struct ili9881c_instr rpi_5inch_init[] = {
1228+
ILI9881C_SWITCH_PAGE_INSTR(3),
1229+
ILI9881C_COMMAND_INSTR(0x01, 0x00),
1230+
ILI9881C_COMMAND_INSTR(0x02, 0x00),
1231+
ILI9881C_COMMAND_INSTR(0x03, 0x73),
1232+
ILI9881C_COMMAND_INSTR(0x04, 0x73),
1233+
ILI9881C_COMMAND_INSTR(0x05, 0x00),
1234+
ILI9881C_COMMAND_INSTR(0x06, 0x06),
1235+
ILI9881C_COMMAND_INSTR(0x07, 0x02),
1236+
ILI9881C_COMMAND_INSTR(0x08, 0x00),
1237+
ILI9881C_COMMAND_INSTR(0x09, 0x01),
1238+
ILI9881C_COMMAND_INSTR(0x0a, 0x01),
1239+
ILI9881C_COMMAND_INSTR(0x0b, 0x01),
1240+
ILI9881C_COMMAND_INSTR(0x0c, 0x01),
1241+
ILI9881C_COMMAND_INSTR(0x0d, 0x01),
1242+
ILI9881C_COMMAND_INSTR(0x0e, 0x01),
1243+
ILI9881C_COMMAND_INSTR(0x0f, 0x01),
1244+
ILI9881C_COMMAND_INSTR(0x10, 0x01),
1245+
ILI9881C_COMMAND_INSTR(0x11, 0x00),
1246+
ILI9881C_COMMAND_INSTR(0x12, 0x00),
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ILI9881C_COMMAND_INSTR(0x13, 0x01),
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ILI9881C_COMMAND_INSTR(0x14, 0x00),
1249+
ILI9881C_COMMAND_INSTR(0x15, 0x00),
1250+
ILI9881C_COMMAND_INSTR(0x16, 0x00),
1251+
ILI9881C_COMMAND_INSTR(0x17, 0x00),
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ILI9881C_COMMAND_INSTR(0x18, 0x00),
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ILI9881C_COMMAND_INSTR(0x19, 0x00),
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ILI9881C_COMMAND_INSTR(0x1a, 0x00),
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ILI9881C_COMMAND_INSTR(0x1b, 0x00),
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ILI9881C_COMMAND_INSTR(0x1c, 0x00),
1257+
ILI9881C_COMMAND_INSTR(0x1d, 0x00),
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ILI9881C_COMMAND_INSTR(0x1e, 0xc0),
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ILI9881C_COMMAND_INSTR(0x1f, 0x80),
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ILI9881C_COMMAND_INSTR(0x20, 0x04),
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ILI9881C_COMMAND_INSTR(0x21, 0x03),
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ILI9881C_COMMAND_INSTR(0x22, 0x00),
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ILI9881C_COMMAND_INSTR(0x23, 0x00),
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ILI9881C_COMMAND_INSTR(0x24, 0x00),
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ILI9881C_COMMAND_INSTR(0x25, 0x00),
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ILI9881C_COMMAND_INSTR(0x26, 0x00),
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ILI9881C_COMMAND_INSTR(0x27, 0x00),
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ILI9881C_COMMAND_INSTR(0x28, 0x33),
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ILI9881C_COMMAND_INSTR(0x29, 0x03),
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ILI9881C_COMMAND_INSTR(0x2a, 0x00),
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ILI9881C_COMMAND_INSTR(0x2b, 0x00),
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ILI9881C_COMMAND_INSTR(0x2c, 0x00),
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ILI9881C_COMMAND_INSTR(0x2d, 0x00),
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ILI9881C_COMMAND_INSTR(0x2e, 0x00),
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ILI9881C_COMMAND_INSTR(0x2f, 0x00),
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ILI9881C_COMMAND_INSTR(0x30, 0x00),
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ILI9881C_COMMAND_INSTR(0x31, 0x00),
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ILI9881C_COMMAND_INSTR(0x32, 0x00),
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ILI9881C_COMMAND_INSTR(0x33, 0x00),
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ILI9881C_COMMAND_INSTR(0x34, 0x03),
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ILI9881C_COMMAND_INSTR(0x35, 0x00),
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ILI9881C_COMMAND_INSTR(0x36, 0x03),
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ILI9881C_COMMAND_INSTR(0x37, 0x00),
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ILI9881C_COMMAND_INSTR(0x38, 0x00),
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ILI9881C_COMMAND_INSTR(0x39, 0x00),
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ILI9881C_COMMAND_INSTR(0x3a, 0x00),
1287+
ILI9881C_COMMAND_INSTR(0x3b, 0x00),
1288+
ILI9881C_COMMAND_INSTR(0x3c, 0x00),
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ILI9881C_COMMAND_INSTR(0x3d, 0x00),
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ILI9881C_COMMAND_INSTR(0x3e, 0x00),
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ILI9881C_COMMAND_INSTR(0x3f, 0x00),
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ILI9881C_COMMAND_INSTR(0x40, 0x00),
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ILI9881C_COMMAND_INSTR(0x41, 0x00),
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ILI9881C_COMMAND_INSTR(0x42, 0x00),
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ILI9881C_COMMAND_INSTR(0x43, 0x00),
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ILI9881C_COMMAND_INSTR(0x44, 0x00),
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ILI9881C_COMMAND_INSTR(0x50, 0x01),
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ILI9881C_COMMAND_INSTR(0x51, 0x23),
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ILI9881C_COMMAND_INSTR(0x52, 0x45),
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ILI9881C_COMMAND_INSTR(0x53, 0x67),
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ILI9881C_COMMAND_INSTR(0x54, 0x89),
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ILI9881C_COMMAND_INSTR(0x55, 0xab),
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ILI9881C_COMMAND_INSTR(0x56, 0x01),
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ILI9881C_COMMAND_INSTR(0x57, 0x23),
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ILI9881C_COMMAND_INSTR(0x58, 0x45),
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ILI9881C_COMMAND_INSTR(0x59, 0x67),
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ILI9881C_COMMAND_INSTR(0x5a, 0x89),
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ILI9881C_COMMAND_INSTR(0x5b, 0xab),
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ILI9881C_COMMAND_INSTR(0x5c, 0xcd),
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ILI9881C_COMMAND_INSTR(0x5d, 0xef),
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ILI9881C_COMMAND_INSTR(0x5e, 0x10),
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ILI9881C_COMMAND_INSTR(0x5f, 0x09),
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ILI9881C_COMMAND_INSTR(0x60, 0x08),
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ILI9881C_COMMAND_INSTR(0x61, 0x0f),
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ILI9881C_COMMAND_INSTR(0x62, 0x0e),
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ILI9881C_COMMAND_INSTR(0x63, 0x0d),
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ILI9881C_COMMAND_INSTR(0x64, 0x0c),
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ILI9881C_COMMAND_INSTR(0x65, 0x02),
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ILI9881C_COMMAND_INSTR(0x66, 0x02),
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ILI9881C_COMMAND_INSTR(0x67, 0x02),
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ILI9881C_COMMAND_INSTR(0x68, 0x02),
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ILI9881C_COMMAND_INSTR(0x69, 0x02),
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ILI9881C_COMMAND_INSTR(0x6a, 0x02),
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ILI9881C_COMMAND_INSTR(0x6b, 0x02),
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ILI9881C_COMMAND_INSTR(0x6c, 0x02),
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ILI9881C_COMMAND_INSTR(0x6d, 0x02),
1327+
ILI9881C_COMMAND_INSTR(0x6e, 0x02),
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ILI9881C_COMMAND_INSTR(0x6f, 0x02),
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ILI9881C_COMMAND_INSTR(0x70, 0x02),
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ILI9881C_COMMAND_INSTR(0x71, 0x06),
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ILI9881C_COMMAND_INSTR(0x72, 0x07),
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ILI9881C_COMMAND_INSTR(0x73, 0x02),
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ILI9881C_COMMAND_INSTR(0x74, 0x02),
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ILI9881C_COMMAND_INSTR(0x75, 0x06),
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ILI9881C_COMMAND_INSTR(0x76, 0x07),
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ILI9881C_COMMAND_INSTR(0x77, 0x0e),
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ILI9881C_COMMAND_INSTR(0x78, 0x0f),
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ILI9881C_COMMAND_INSTR(0x79, 0x0c),
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ILI9881C_COMMAND_INSTR(0x7a, 0x0d),
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ILI9881C_COMMAND_INSTR(0x7b, 0x02),
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ILI9881C_COMMAND_INSTR(0x7c, 0x02),
1342+
ILI9881C_COMMAND_INSTR(0x7d, 0x02),
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ILI9881C_COMMAND_INSTR(0x7e, 0x02),
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ILI9881C_COMMAND_INSTR(0x7f, 0x02),
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ILI9881C_COMMAND_INSTR(0x80, 0x02),
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ILI9881C_COMMAND_INSTR(0x81, 0x02),
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ILI9881C_COMMAND_INSTR(0x82, 0x02),
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ILI9881C_COMMAND_INSTR(0x83, 0x02),
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ILI9881C_COMMAND_INSTR(0x84, 0x02),
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ILI9881C_COMMAND_INSTR(0x85, 0x02),
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ILI9881C_COMMAND_INSTR(0x86, 0x02),
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ILI9881C_COMMAND_INSTR(0x87, 0x09),
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ILI9881C_COMMAND_INSTR(0x88, 0x08),
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ILI9881C_COMMAND_INSTR(0x89, 0x02),
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ILI9881C_COMMAND_INSTR(0x8a, 0x02),
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ILI9881C_SWITCH_PAGE_INSTR(4),
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ILI9881C_COMMAND_INSTR(0x6c, 0x15),
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ILI9881C_COMMAND_INSTR(0x6e, 0x2a),
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ILI9881C_COMMAND_INSTR(0x6f, 0x57),
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ILI9881C_COMMAND_INSTR(0x3a, 0xa4),
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ILI9881C_COMMAND_INSTR(0x8d, 0x1a),
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ILI9881C_COMMAND_INSTR(0x87, 0xba),
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ILI9881C_COMMAND_INSTR(0x26, 0x76),
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ILI9881C_COMMAND_INSTR(0xb2, 0xd1),
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ILI9881C_SWITCH_PAGE_INSTR(1),
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ILI9881C_COMMAND_INSTR(0x22, 0x0a),
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ILI9881C_COMMAND_INSTR(0x31, 0x00),
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ILI9881C_COMMAND_INSTR(0x53, 0x35),
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ILI9881C_COMMAND_INSTR(0x55, 0x50),
1370+
ILI9881C_COMMAND_INSTR(0x50, 0xaf),
1371+
ILI9881C_COMMAND_INSTR(0x51, 0xaf),
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ILI9881C_COMMAND_INSTR(0x60, 0x14),
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ILI9881C_COMMAND_INSTR(0xa0, 0x08),
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ILI9881C_COMMAND_INSTR(0xa1, 0x1d),
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ILI9881C_COMMAND_INSTR(0xa2, 0x2c),
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ILI9881C_COMMAND_INSTR(0xa3, 0x14),
1377+
ILI9881C_COMMAND_INSTR(0xa4, 0x19),
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ILI9881C_COMMAND_INSTR(0xa5, 0x2e),
1379+
ILI9881C_COMMAND_INSTR(0xa6, 0x22),
1380+
ILI9881C_COMMAND_INSTR(0xa7, 0x23),
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ILI9881C_COMMAND_INSTR(0xa8, 0x97),
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ILI9881C_COMMAND_INSTR(0xa9, 0x1e),
1383+
ILI9881C_COMMAND_INSTR(0xaa, 0x29),
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ILI9881C_COMMAND_INSTR(0xab, 0x7b),
1385+
ILI9881C_COMMAND_INSTR(0xac, 0x18),
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ILI9881C_COMMAND_INSTR(0xad, 0x17),
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ILI9881C_COMMAND_INSTR(0xae, 0x4b),
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ILI9881C_COMMAND_INSTR(0xaf, 0x1f),
1389+
ILI9881C_COMMAND_INSTR(0xb0, 0x27),
1390+
ILI9881C_COMMAND_INSTR(0xb1, 0x52),
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ILI9881C_COMMAND_INSTR(0xb2, 0x63),
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ILI9881C_COMMAND_INSTR(0xb3, 0x39),
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ILI9881C_COMMAND_INSTR(0xc0, 0x08),
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ILI9881C_COMMAND_INSTR(0xc1, 0x1d),
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ILI9881C_COMMAND_INSTR(0xc2, 0x2c),
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ILI9881C_COMMAND_INSTR(0xc3, 0x14),
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ILI9881C_COMMAND_INSTR(0xc4, 0x19),
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ILI9881C_COMMAND_INSTR(0xc5, 0x2e),
1399+
ILI9881C_COMMAND_INSTR(0xc6, 0x22),
1400+
ILI9881C_COMMAND_INSTR(0xc7, 0x23),
1401+
ILI9881C_COMMAND_INSTR(0xc8, 0x97),
1402+
ILI9881C_COMMAND_INSTR(0xc9, 0x1e),
1403+
ILI9881C_COMMAND_INSTR(0xca, 0x29),
1404+
ILI9881C_COMMAND_INSTR(0xcb, 0x7b),
1405+
ILI9881C_COMMAND_INSTR(0xcc, 0x18),
1406+
ILI9881C_COMMAND_INSTR(0xcd, 0x17),
1407+
ILI9881C_COMMAND_INSTR(0xce, 0x4b),
1408+
ILI9881C_COMMAND_INSTR(0xcf, 0x1f),
1409+
ILI9881C_COMMAND_INSTR(0xd0, 0x27),
1410+
ILI9881C_COMMAND_INSTR(0xd1, 0x52),
1411+
ILI9881C_COMMAND_INSTR(0xd2, 0x63),
1412+
ILI9881C_COMMAND_INSTR(0xd3, 0x39),
1413+
};
1414+
12271415
static const struct ili9881c_instr rpi_7inch_init[] = {
12281416
ILI9881C_SWITCH_PAGE_INSTR(3),
12291417
ILI9881C_COMMAND_INSTR(0x01, 0x00),
@@ -1806,6 +1994,23 @@ static const struct drm_display_mode am8001280g_default_mode = {
18061994
.height_mm = 151,
18071995
};
18081996

1997+
static const struct drm_display_mode rpi_5inch_default_mode = {
1998+
.clock = 83333,
1999+
2000+
.hdisplay = 720,
2001+
.hsync_start = 720 + 110,
2002+
.hsync_end = 720 + 110 + 12,
2003+
.htotal = 720 + 110 + 12 + 95,
2004+
2005+
.vdisplay = 1280,
2006+
.vsync_start = 1280 + 100,
2007+
.vsync_end = 1280 + 100 + 2,
2008+
.vtotal = 1280 + 100 + 2 + 100,
2009+
2010+
.width_mm = 62,
2011+
.height_mm = 110,
2012+
};
2013+
18092014
static const struct drm_display_mode rpi_7inch_default_mode = {
18102015
.clock = 83330,
18112016

@@ -2000,6 +2205,14 @@ static const struct ili9881c_desc am8001280g_desc = {
20002205
MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
20012206
};
20022207

2208+
static const struct ili9881c_desc rpi_5inch_desc = {
2209+
.init = rpi_5inch_init,
2210+
.init_length = ARRAY_SIZE(rpi_5inch_init),
2211+
.mode = &rpi_5inch_default_mode,
2212+
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM,
2213+
.lanes = 2,
2214+
};
2215+
20032216
static const struct ili9881c_desc rpi_7inch_desc = {
20042217
.init = rpi_7inch_init,
20052218
.init_length = ARRAY_SIZE(rpi_7inch_init),
@@ -2025,6 +2238,7 @@ static const struct of_device_id ili9881c_of_match[] = {
20252238
{ .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc },
20262239
{ .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc },
20272240
{ .compatible = "ampire,am8001280g", .data = &am8001280g_desc },
2241+
{ .compatible = "raspberrypi,dsi-5inch", &rpi_5inch_desc },
20282242
{ .compatible = "raspberrypi,dsi-7inch", &rpi_7inch_desc },
20292243
{ }
20302244
};

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