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Marek Vasutsuperna9999
Marek Vasut
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drm/panel: ilitek-ili9881c: Add configuration for 7" Raspberry Pi 720x1280
Add configuration for the 7" Raspberry Pi 720x1280 DSI panel based on ili9881. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20250608142908.54121-3-marek.vasut+renesas@mailbox.org
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‎drivers/gpu/drm/panel/panel-ilitek-ili9881c.c‎

Lines changed: 219 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1224,6 +1224,199 @@ 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_7inch_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, 0x00),
1233+
ILI9881C_COMMAND_INSTR(0x05, 0x00),
1234+
ILI9881C_COMMAND_INSTR(0x06, 0x0a),
1235+
ILI9881C_COMMAND_INSTR(0x07, 0x00),
1236+
ILI9881C_COMMAND_INSTR(0x08, 0x00),
1237+
ILI9881C_COMMAND_INSTR(0x09, 0x61),
1238+
ILI9881C_COMMAND_INSTR(0x0a, 0x00),
1239+
ILI9881C_COMMAND_INSTR(0x0b, 0x00),
1240+
ILI9881C_COMMAND_INSTR(0x0c, 0x01),
1241+
ILI9881C_COMMAND_INSTR(0x0d, 0x00),
1242+
ILI9881C_COMMAND_INSTR(0x0e, 0x00),
1243+
ILI9881C_COMMAND_INSTR(0x0f, 0x61),
1244+
ILI9881C_COMMAND_INSTR(0x10, 0x61),
1245+
ILI9881C_COMMAND_INSTR(0x11, 0x00),
1246+
ILI9881C_COMMAND_INSTR(0x12, 0x00),
1247+
ILI9881C_COMMAND_INSTR(0x13, 0x00),
1248+
ILI9881C_COMMAND_INSTR(0x14, 0x00),
1249+
ILI9881C_COMMAND_INSTR(0x15, 0x00),
1250+
ILI9881C_COMMAND_INSTR(0x16, 0x00),
1251+
ILI9881C_COMMAND_INSTR(0x17, 0x00),
1252+
ILI9881C_COMMAND_INSTR(0x18, 0x00),
1253+
ILI9881C_COMMAND_INSTR(0x19, 0x00),
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ILI9881C_COMMAND_INSTR(0x1a, 0x00),
1255+
ILI9881C_COMMAND_INSTR(0x1b, 0x00),
1256+
ILI9881C_COMMAND_INSTR(0x1c, 0x00),
1257+
ILI9881C_COMMAND_INSTR(0x1d, 0x00),
1258+
ILI9881C_COMMAND_INSTR(0x1e, 0x40),
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ILI9881C_COMMAND_INSTR(0x1f, 0x80),
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ILI9881C_COMMAND_INSTR(0x20, 0x06),
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ILI9881C_COMMAND_INSTR(0x21, 0x01),
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ILI9881C_COMMAND_INSTR(0x22, 0x00),
1263+
ILI9881C_COMMAND_INSTR(0x23, 0x00),
1264+
ILI9881C_COMMAND_INSTR(0x24, 0x00),
1265+
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),
1280+
ILI9881C_COMMAND_INSTR(0x34, 0x04),
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ILI9881C_COMMAND_INSTR(0x35, 0x00),
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ILI9881C_COMMAND_INSTR(0x36, 0x00),
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ILI9881C_COMMAND_INSTR(0x37, 0x00),
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ILI9881C_COMMAND_INSTR(0x38, 0x3c),
1285+
ILI9881C_COMMAND_INSTR(0x39, 0x00),
1286+
ILI9881C_COMMAND_INSTR(0x3a, 0x00),
1287+
ILI9881C_COMMAND_INSTR(0x3b, 0x00),
1288+
ILI9881C_COMMAND_INSTR(0x3c, 0x00),
1289+
ILI9881C_COMMAND_INSTR(0x3d, 0x00),
1290+
ILI9881C_COMMAND_INSTR(0x3e, 0x00),
1291+
ILI9881C_COMMAND_INSTR(0x3f, 0x00),
1292+
ILI9881C_COMMAND_INSTR(0x40, 0x00),
1293+
ILI9881C_COMMAND_INSTR(0x41, 0x00),
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ILI9881C_COMMAND_INSTR(0x42, 0x00),
1295+
ILI9881C_COMMAND_INSTR(0x43, 0x00),
1296+
ILI9881C_COMMAND_INSTR(0x44, 0x00),
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ILI9881C_COMMAND_INSTR(0x50, 0x10),
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ILI9881C_COMMAND_INSTR(0x51, 0x32),
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ILI9881C_COMMAND_INSTR(0x52, 0x54),
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ILI9881C_COMMAND_INSTR(0x53, 0x76),
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ILI9881C_COMMAND_INSTR(0x54, 0x98),
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ILI9881C_COMMAND_INSTR(0x55, 0xba),
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ILI9881C_COMMAND_INSTR(0x56, 0x10),
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ILI9881C_COMMAND_INSTR(0x57, 0x32),
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ILI9881C_COMMAND_INSTR(0x58, 0x54),
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ILI9881C_COMMAND_INSTR(0x59, 0x76),
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ILI9881C_COMMAND_INSTR(0x5a, 0x98),
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ILI9881C_COMMAND_INSTR(0x5b, 0xba),
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ILI9881C_COMMAND_INSTR(0x5c, 0xdc),
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ILI9881C_COMMAND_INSTR(0x5d, 0xfe),
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ILI9881C_COMMAND_INSTR(0x5e, 0x00),
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ILI9881C_COMMAND_INSTR(0x5f, 0x0e),
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ILI9881C_COMMAND_INSTR(0x60, 0x0f),
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ILI9881C_COMMAND_INSTR(0x61, 0x0c),
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ILI9881C_COMMAND_INSTR(0x62, 0x0d),
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ILI9881C_COMMAND_INSTR(0x63, 0x06),
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ILI9881C_COMMAND_INSTR(0x64, 0x07),
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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, 0x01),
1323+
ILI9881C_COMMAND_INSTR(0x6a, 0x00),
1324+
ILI9881C_COMMAND_INSTR(0x6b, 0x02),
1325+
ILI9881C_COMMAND_INSTR(0x6c, 0x15),
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ILI9881C_COMMAND_INSTR(0x6d, 0x14),
1327+
ILI9881C_COMMAND_INSTR(0x6e, 0x02),
1328+
ILI9881C_COMMAND_INSTR(0x6f, 0x02),
1329+
ILI9881C_COMMAND_INSTR(0x70, 0x02),
1330+
ILI9881C_COMMAND_INSTR(0x71, 0x02),
1331+
ILI9881C_COMMAND_INSTR(0x72, 0x02),
1332+
ILI9881C_COMMAND_INSTR(0x73, 0x02),
1333+
ILI9881C_COMMAND_INSTR(0x74, 0x02),
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ILI9881C_COMMAND_INSTR(0x75, 0x0e),
1335+
ILI9881C_COMMAND_INSTR(0x76, 0x0f),
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ILI9881C_COMMAND_INSTR(0x77, 0x0c),
1337+
ILI9881C_COMMAND_INSTR(0x78, 0x0d),
1338+
ILI9881C_COMMAND_INSTR(0x79, 0x06),
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ILI9881C_COMMAND_INSTR(0x7a, 0x07),
1340+
ILI9881C_COMMAND_INSTR(0x7b, 0x02),
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ILI9881C_COMMAND_INSTR(0x7c, 0x02),
1342+
ILI9881C_COMMAND_INSTR(0x7d, 0x02),
1343+
ILI9881C_COMMAND_INSTR(0x7e, 0x02),
1344+
ILI9881C_COMMAND_INSTR(0x7f, 0x01),
1345+
ILI9881C_COMMAND_INSTR(0x80, 0x00),
1346+
ILI9881C_COMMAND_INSTR(0x81, 0x02),
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ILI9881C_COMMAND_INSTR(0x82, 0x14),
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ILI9881C_COMMAND_INSTR(0x83, 0x15),
1349+
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, 0x02),
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ILI9881C_COMMAND_INSTR(0x88, 0x02),
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ILI9881C_COMMAND_INSTR(0x89, 0x02),
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ILI9881C_COMMAND_INSTR(0x8A, 0x02),
1356+
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, 0x33),
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ILI9881C_COMMAND_INSTR(0x3B, 0x98),
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ILI9881C_COMMAND_INSTR(0x3a, 0x94),
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ILI9881C_COMMAND_INSTR(0x8D, 0x14),
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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_COMMAND_INSTR(0xB5, 0x06),
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ILI9881C_COMMAND_INSTR(0x38, 0x01),
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ILI9881C_COMMAND_INSTR(0x39, 0x00),
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ILI9881C_SWITCH_PAGE_INSTR(1),
1370+
ILI9881C_COMMAND_INSTR(0x22, 0x0A),
1371+
ILI9881C_COMMAND_INSTR(0x31, 0x00),
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ILI9881C_COMMAND_INSTR(0x53, 0x7d),
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ILI9881C_COMMAND_INSTR(0x55, 0x8f),
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ILI9881C_COMMAND_INSTR(0x40, 0x33),
1375+
ILI9881C_COMMAND_INSTR(0x50, 0x96),
1376+
ILI9881C_COMMAND_INSTR(0x51, 0x96),
1377+
ILI9881C_COMMAND_INSTR(0x60, 0x23),
1378+
ILI9881C_COMMAND_INSTR(0xA0, 0x08),
1379+
ILI9881C_COMMAND_INSTR(0xA1, 0x1d),
1380+
ILI9881C_COMMAND_INSTR(0xA2, 0x2a),
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ILI9881C_COMMAND_INSTR(0xA3, 0x10),
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ILI9881C_COMMAND_INSTR(0xA4, 0x15),
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ILI9881C_COMMAND_INSTR(0xA5, 0x28),
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ILI9881C_COMMAND_INSTR(0xA6, 0x1c),
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ILI9881C_COMMAND_INSTR(0xA7, 0x1d),
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ILI9881C_COMMAND_INSTR(0xA8, 0x7e),
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ILI9881C_COMMAND_INSTR(0xA9, 0x1d),
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ILI9881C_COMMAND_INSTR(0xAA, 0x29),
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ILI9881C_COMMAND_INSTR(0xAB, 0x6b),
1390+
ILI9881C_COMMAND_INSTR(0xAC, 0x1a),
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ILI9881C_COMMAND_INSTR(0xAD, 0x18),
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ILI9881C_COMMAND_INSTR(0xAE, 0x4b),
1393+
ILI9881C_COMMAND_INSTR(0xAF, 0x20),
1394+
ILI9881C_COMMAND_INSTR(0xB0, 0x27),
1395+
ILI9881C_COMMAND_INSTR(0xB1, 0x50),
1396+
ILI9881C_COMMAND_INSTR(0xB2, 0x64),
1397+
ILI9881C_COMMAND_INSTR(0xB3, 0x39),
1398+
ILI9881C_COMMAND_INSTR(0xC0, 0x08),
1399+
ILI9881C_COMMAND_INSTR(0xC1, 0x1d),
1400+
ILI9881C_COMMAND_INSTR(0xC2, 0x2a),
1401+
ILI9881C_COMMAND_INSTR(0xC3, 0x10),
1402+
ILI9881C_COMMAND_INSTR(0xC4, 0x15),
1403+
ILI9881C_COMMAND_INSTR(0xC5, 0x28),
1404+
ILI9881C_COMMAND_INSTR(0xC6, 0x1c),
1405+
ILI9881C_COMMAND_INSTR(0xC7, 0x1d),
1406+
ILI9881C_COMMAND_INSTR(0xC8, 0x7e),
1407+
ILI9881C_COMMAND_INSTR(0xC9, 0x1d),
1408+
ILI9881C_COMMAND_INSTR(0xCA, 0x29),
1409+
ILI9881C_COMMAND_INSTR(0xCB, 0x6b),
1410+
ILI9881C_COMMAND_INSTR(0xCC, 0x1a),
1411+
ILI9881C_COMMAND_INSTR(0xCD, 0x18),
1412+
ILI9881C_COMMAND_INSTR(0xCE, 0x4b),
1413+
ILI9881C_COMMAND_INSTR(0xCF, 0x20),
1414+
ILI9881C_COMMAND_INSTR(0xD0, 0x27),
1415+
ILI9881C_COMMAND_INSTR(0xD1, 0x50),
1416+
ILI9881C_COMMAND_INSTR(0xD2, 0x64),
1417+
ILI9881C_COMMAND_INSTR(0xD3, 0x39),
1418+
};
1419+
12271420
static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
12281421
{
12291422
return container_of(panel, struct ili9881c, panel);
@@ -1450,6 +1643,23 @@ static const struct drm_display_mode am8001280g_default_mode = {
14501643
.height_mm = 151,
14511644
};
14521645

1646+
static const struct drm_display_mode rpi_7inch_default_mode = {
1647+
.clock = 83330,
1648+
1649+
.hdisplay = 720,
1650+
.hsync_start = 720 + 239,
1651+
.hsync_end = 720 + 239 + 33,
1652+
.htotal = 720 + 239 + 33 + 50,
1653+
1654+
.vdisplay = 1280,
1655+
.vsync_start = 1280 + 20,
1656+
.vsync_end = 1280 + 20 + 2,
1657+
.vtotal = 1280 + 20 + 2 + 30,
1658+
1659+
.width_mm = 90,
1660+
.height_mm = 151,
1661+
};
1662+
14531663
static int ili9881c_get_modes(struct drm_panel *panel,
14541664
struct drm_connector *connector)
14551665
{
@@ -1612,13 +1822,22 @@ static const struct ili9881c_desc am8001280g_desc = {
16121822
MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
16131823
};
16141824

1825+
static const struct ili9881c_desc rpi_7inch_desc = {
1826+
.init = rpi_7inch_init,
1827+
.init_length = ARRAY_SIZE(rpi_7inch_init),
1828+
.mode = &rpi_7inch_default_mode,
1829+
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM,
1830+
.lanes = 2,
1831+
};
1832+
16151833
static const struct of_device_id ili9881c_of_match[] = {
16161834
{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
16171835
{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
16181836
{ .compatible = "startek,kd050hdfia020", .data = &kd050hdfia020_desc },
16191837
{ .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc },
16201838
{ .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc },
16211839
{ .compatible = "ampire,am8001280g", .data = &am8001280g_desc },
1840+
{ .compatible = "raspberrypi,dsi-7inch", &rpi_7inch_desc },
16221841
{ }
16231842
};
16241843
MODULE_DEVICE_TABLE(of, ili9881c_of_match);

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