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drm/panel: ilitek-ili9881c: Add Bestar BSD1218-A101KL68 support
Add support for the Bestar BSD1218-A101KL68 panel. The init table comes from the Firefly BSP ([1]). [1] https://gitlab.com/firefly-linux/kernel/-/blob/rk3588/firefly/arch/arm64/boot/dts/rockchip/aio-3588l-mipi101-BSD1218-A101KL68.dtsi Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20250707164906.1445288-7-heiko@sntech.de
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‎drivers/gpu/drm/panel/panel-ilitek-ili9881c.c‎

Lines changed: 221 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1417,6 +1417,200 @@ static const struct ili9881c_instr rpi_7inch_init[] = {
14171417
ILI9881C_COMMAND_INSTR(0xD3, 0x39),
14181418
};
14191419

1420+
static const struct ili9881c_instr bsd1218_a101kl68_init[] = {
1421+
ILI9881C_SWITCH_PAGE_INSTR(3),
1422+
ILI9881C_COMMAND_INSTR(0x01, 0x00),
1423+
ILI9881C_COMMAND_INSTR(0x02, 0x00),
1424+
ILI9881C_COMMAND_INSTR(0x03, 0x55),
1425+
ILI9881C_COMMAND_INSTR(0x04, 0x55),
1426+
ILI9881C_COMMAND_INSTR(0x05, 0x03),
1427+
ILI9881C_COMMAND_INSTR(0x06, 0x06),
1428+
ILI9881C_COMMAND_INSTR(0x07, 0x00),
1429+
ILI9881C_COMMAND_INSTR(0x08, 0x07),
1430+
ILI9881C_COMMAND_INSTR(0x09, 0x00),
1431+
ILI9881C_COMMAND_INSTR(0x0a, 0x00),
1432+
ILI9881C_COMMAND_INSTR(0x0b, 0x00),
1433+
ILI9881C_COMMAND_INSTR(0x0c, 0x00),
1434+
ILI9881C_COMMAND_INSTR(0x0d, 0x00),
1435+
ILI9881C_COMMAND_INSTR(0x0e, 0x00),
1436+
ILI9881C_COMMAND_INSTR(0x0f, 0x00),
1437+
ILI9881C_COMMAND_INSTR(0x10, 0x00),
1438+
ILI9881C_COMMAND_INSTR(0x11, 0x00),
1439+
ILI9881C_COMMAND_INSTR(0x12, 0x00),
1440+
ILI9881C_COMMAND_INSTR(0x13, 0x00),
1441+
ILI9881C_COMMAND_INSTR(0x14, 0x00),
1442+
ILI9881C_COMMAND_INSTR(0x15, 0x00),
1443+
ILI9881C_COMMAND_INSTR(0x16, 0x00),
1444+
ILI9881C_COMMAND_INSTR(0x17, 0x00),
1445+
ILI9881C_COMMAND_INSTR(0x18, 0x00),
1446+
ILI9881C_COMMAND_INSTR(0x19, 0x00),
1447+
ILI9881C_COMMAND_INSTR(0x1a, 0x00),
1448+
ILI9881C_COMMAND_INSTR(0x1b, 0x00),
1449+
ILI9881C_COMMAND_INSTR(0x1c, 0x00),
1450+
ILI9881C_COMMAND_INSTR(0x1d, 0x00),
1451+
ILI9881C_COMMAND_INSTR(0x1e, 0xc0),
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ILI9881C_COMMAND_INSTR(0x1f, 0x80),
1453+
ILI9881C_COMMAND_INSTR(0x20, 0x04),
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ILI9881C_COMMAND_INSTR(0x21, 0x03),
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ILI9881C_COMMAND_INSTR(0x22, 0x00),
1456+
ILI9881C_COMMAND_INSTR(0x23, 0x00),
1457+
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, 0x33),
1463+
ILI9881C_COMMAND_INSTR(0x2a, 0x00),
1464+
ILI9881C_COMMAND_INSTR(0x2b, 0x00),
1465+
ILI9881C_COMMAND_INSTR(0x2c, 0x00),
1466+
ILI9881C_COMMAND_INSTR(0x2d, 0x00),
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ILI9881C_COMMAND_INSTR(0x2e, 0x00),
1468+
ILI9881C_COMMAND_INSTR(0x2f, 0x00),
1469+
ILI9881C_COMMAND_INSTR(0x30, 0x00),
1470+
ILI9881C_COMMAND_INSTR(0x31, 0x00),
1471+
ILI9881C_COMMAND_INSTR(0x32, 0x00),
1472+
ILI9881C_COMMAND_INSTR(0x33, 0x00),
1473+
ILI9881C_COMMAND_INSTR(0x34, 0x04),
1474+
ILI9881C_COMMAND_INSTR(0x35, 0x00),
1475+
ILI9881C_COMMAND_INSTR(0x36, 0x00),
1476+
ILI9881C_COMMAND_INSTR(0x37, 0x00),
1477+
ILI9881C_COMMAND_INSTR(0x38, 0x3c),
1478+
ILI9881C_COMMAND_INSTR(0x39, 0x00),
1479+
ILI9881C_COMMAND_INSTR(0x3a, 0x00),
1480+
ILI9881C_COMMAND_INSTR(0x3b, 0x00),
1481+
ILI9881C_COMMAND_INSTR(0x3c, 0x00),
1482+
ILI9881C_COMMAND_INSTR(0x3d, 0x00),
1483+
ILI9881C_COMMAND_INSTR(0x3e, 0x00),
1484+
ILI9881C_COMMAND_INSTR(0x3f, 0x00),
1485+
ILI9881C_COMMAND_INSTR(0x40, 0x00),
1486+
ILI9881C_COMMAND_INSTR(0x41, 0x00),
1487+
ILI9881C_COMMAND_INSTR(0x42, 0x00),
1488+
ILI9881C_COMMAND_INSTR(0x43, 0x00),
1489+
ILI9881C_COMMAND_INSTR(0x44, 0x00),
1490+
ILI9881C_COMMAND_INSTR(0x50, 0x00),
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ILI9881C_COMMAND_INSTR(0x51, 0x11),
1492+
ILI9881C_COMMAND_INSTR(0x52, 0x44),
1493+
ILI9881C_COMMAND_INSTR(0x53, 0x55),
1494+
ILI9881C_COMMAND_INSTR(0x54, 0x88),
1495+
ILI9881C_COMMAND_INSTR(0x55, 0xab),
1496+
ILI9881C_COMMAND_INSTR(0x56, 0x00),
1497+
ILI9881C_COMMAND_INSTR(0x57, 0x11),
1498+
ILI9881C_COMMAND_INSTR(0x58, 0x22),
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ILI9881C_COMMAND_INSTR(0x59, 0x33),
1500+
ILI9881C_COMMAND_INSTR(0x5a, 0x44),
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ILI9881C_COMMAND_INSTR(0x5b, 0x55),
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ILI9881C_COMMAND_INSTR(0x5c, 0x66),
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ILI9881C_COMMAND_INSTR(0x5d, 0x77),
1504+
ILI9881C_COMMAND_INSTR(0x5e, 0x00),
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ILI9881C_COMMAND_INSTR(0x5f, 0x02),
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ILI9881C_COMMAND_INSTR(0x60, 0x02),
1507+
ILI9881C_COMMAND_INSTR(0x61, 0x0a),
1508+
ILI9881C_COMMAND_INSTR(0x62, 0x09),
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ILI9881C_COMMAND_INSTR(0x63, 0x08),
1510+
ILI9881C_COMMAND_INSTR(0x64, 0x13),
1511+
ILI9881C_COMMAND_INSTR(0x65, 0x12),
1512+
ILI9881C_COMMAND_INSTR(0x66, 0x11),
1513+
ILI9881C_COMMAND_INSTR(0x67, 0x10),
1514+
ILI9881C_COMMAND_INSTR(0x68, 0x0f),
1515+
ILI9881C_COMMAND_INSTR(0x69, 0x0e),
1516+
ILI9881C_COMMAND_INSTR(0x6a, 0x0d),
1517+
ILI9881C_COMMAND_INSTR(0x6b, 0x0c),
1518+
ILI9881C_COMMAND_INSTR(0x6c, 0x06),
1519+
ILI9881C_COMMAND_INSTR(0x6d, 0x07),
1520+
ILI9881C_COMMAND_INSTR(0x6e, 0x02),
1521+
ILI9881C_COMMAND_INSTR(0x6f, 0x02),
1522+
ILI9881C_COMMAND_INSTR(0x70, 0x02),
1523+
ILI9881C_COMMAND_INSTR(0x71, 0x02),
1524+
ILI9881C_COMMAND_INSTR(0x72, 0x02),
1525+
ILI9881C_COMMAND_INSTR(0x73, 0x02),
1526+
ILI9881C_COMMAND_INSTR(0x74, 0x02),
1527+
ILI9881C_COMMAND_INSTR(0x75, 0x02),
1528+
ILI9881C_COMMAND_INSTR(0x76, 0x02),
1529+
ILI9881C_COMMAND_INSTR(0x77, 0x0a),
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ILI9881C_COMMAND_INSTR(0x78, 0x06),
1531+
ILI9881C_COMMAND_INSTR(0x79, 0x07),
1532+
ILI9881C_COMMAND_INSTR(0x7a, 0x10),
1533+
ILI9881C_COMMAND_INSTR(0x7b, 0x11),
1534+
ILI9881C_COMMAND_INSTR(0x7c, 0x12),
1535+
ILI9881C_COMMAND_INSTR(0x7d, 0x13),
1536+
ILI9881C_COMMAND_INSTR(0x7e, 0x0c),
1537+
ILI9881C_COMMAND_INSTR(0x7f, 0x0d),
1538+
ILI9881C_COMMAND_INSTR(0x80, 0x0e),
1539+
ILI9881C_COMMAND_INSTR(0x81, 0x0f),
1540+
ILI9881C_COMMAND_INSTR(0x82, 0x09),
1541+
ILI9881C_COMMAND_INSTR(0x83, 0x08),
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ILI9881C_COMMAND_INSTR(0x84, 0x02),
1543+
ILI9881C_COMMAND_INSTR(0x85, 0x02),
1544+
ILI9881C_COMMAND_INSTR(0x86, 0x02),
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ILI9881C_COMMAND_INSTR(0x87, 0x02),
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ILI9881C_COMMAND_INSTR(0x88, 0x02),
1547+
ILI9881C_COMMAND_INSTR(0x89, 0x02),
1548+
ILI9881C_COMMAND_INSTR(0x8a, 0x02),
1549+
1550+
ILI9881C_SWITCH_PAGE_INSTR(4),
1551+
ILI9881C_COMMAND_INSTR(0x6e, 0x2a),
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ILI9881C_COMMAND_INSTR(0x6f, 0x37),
1553+
ILI9881C_COMMAND_INSTR(0x3a, 0x24),
1554+
ILI9881C_COMMAND_INSTR(0x8d, 0x19),
1555+
ILI9881C_COMMAND_INSTR(0x87, 0xba),
1556+
ILI9881C_COMMAND_INSTR(0xb2, 0xd1),
1557+
ILI9881C_COMMAND_INSTR(0x88, 0x0b),
1558+
ILI9881C_COMMAND_INSTR(0x38, 0x01),
1559+
ILI9881C_COMMAND_INSTR(0x39, 0x00),
1560+
ILI9881C_COMMAND_INSTR(0xb5, 0x02),
1561+
ILI9881C_COMMAND_INSTR(0x31, 0x25),
1562+
ILI9881C_COMMAND_INSTR(0x3b, 0x98),
1563+
1564+
ILI9881C_SWITCH_PAGE_INSTR(1),
1565+
ILI9881C_COMMAND_INSTR(0x22, 0x0a),
1566+
ILI9881C_COMMAND_INSTR(0x31, 0x0c),
1567+
ILI9881C_COMMAND_INSTR(0x53, 0x40),
1568+
ILI9881C_COMMAND_INSTR(0x55, 0x45),
1569+
ILI9881C_COMMAND_INSTR(0x50, 0xb7),
1570+
ILI9881C_COMMAND_INSTR(0x51, 0xb2),
1571+
ILI9881C_COMMAND_INSTR(0x60, 0x07),
1572+
ILI9881C_COMMAND_INSTR(0xa0, 0x22),
1573+
ILI9881C_COMMAND_INSTR(0xa1, 0x3f),
1574+
ILI9881C_COMMAND_INSTR(0xa2, 0x4e),
1575+
ILI9881C_COMMAND_INSTR(0xa3, 0x17),
1576+
ILI9881C_COMMAND_INSTR(0xa4, 0x1a),
1577+
ILI9881C_COMMAND_INSTR(0xa5, 0x2d),
1578+
ILI9881C_COMMAND_INSTR(0xa6, 0x21),
1579+
ILI9881C_COMMAND_INSTR(0xa7, 0x22),
1580+
ILI9881C_COMMAND_INSTR(0xa8, 0xc4),
1581+
ILI9881C_COMMAND_INSTR(0xa9, 0x1b),
1582+
ILI9881C_COMMAND_INSTR(0xaa, 0x25),
1583+
ILI9881C_COMMAND_INSTR(0xab, 0xa7),
1584+
ILI9881C_COMMAND_INSTR(0xac, 0x1a),
1585+
ILI9881C_COMMAND_INSTR(0xad, 0x19),
1586+
ILI9881C_COMMAND_INSTR(0xae, 0x4b),
1587+
ILI9881C_COMMAND_INSTR(0xaf, 0x1f),
1588+
ILI9881C_COMMAND_INSTR(0xb0, 0x2a),
1589+
ILI9881C_COMMAND_INSTR(0xb1, 0x59),
1590+
ILI9881C_COMMAND_INSTR(0xb2, 0x64),
1591+
ILI9881C_COMMAND_INSTR(0xb3, 0x3f),
1592+
ILI9881C_COMMAND_INSTR(0xc0, 0x22),
1593+
ILI9881C_COMMAND_INSTR(0xc1, 0x48),
1594+
ILI9881C_COMMAND_INSTR(0xc2, 0x59),
1595+
ILI9881C_COMMAND_INSTR(0xc3, 0x15),
1596+
ILI9881C_COMMAND_INSTR(0xc4, 0x15),
1597+
ILI9881C_COMMAND_INSTR(0xc5, 0x28),
1598+
ILI9881C_COMMAND_INSTR(0xc6, 0x1c),
1599+
ILI9881C_COMMAND_INSTR(0xc7, 0x1e),
1600+
ILI9881C_COMMAND_INSTR(0xc8, 0xc4),
1601+
ILI9881C_COMMAND_INSTR(0xc9, 0x1c),
1602+
ILI9881C_COMMAND_INSTR(0xca, 0x2b),
1603+
ILI9881C_COMMAND_INSTR(0xcb, 0xa3),
1604+
ILI9881C_COMMAND_INSTR(0xcc, 0x1f),
1605+
ILI9881C_COMMAND_INSTR(0xcd, 0x1e),
1606+
ILI9881C_COMMAND_INSTR(0xce, 0x52),
1607+
ILI9881C_COMMAND_INSTR(0xcf, 0x24),
1608+
ILI9881C_COMMAND_INSTR(0xd0, 0x2a),
1609+
ILI9881C_COMMAND_INSTR(0xd1, 0x58),
1610+
ILI9881C_COMMAND_INSTR(0xd2, 0x68),
1611+
ILI9881C_COMMAND_INSTR(0xd3, 0x3f),
1612+
};
1613+
14201614
static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
14211615
{
14221616
return container_of(panel, struct ili9881c, panel);
@@ -1629,6 +1823,23 @@ static const struct drm_display_mode rpi_7inch_default_mode = {
16291823
.height_mm = 151,
16301824
};
16311825

1826+
static const struct drm_display_mode bsd1218_a101kl68_default_mode = {
1827+
.clock = 70000,
1828+
1829+
.hdisplay = 800,
1830+
.hsync_start = 800 + 40,
1831+
.hsync_end = 800 + 40 + 20,
1832+
.htotal = 800 + 40 + 20 + 20,
1833+
1834+
.vdisplay = 1280,
1835+
.vsync_start = 1280 + 20,
1836+
.vsync_end = 1280 + 20 + 4,
1837+
.vtotal = 1280 + 20 + 4 + 20,
1838+
1839+
.width_mm = 120,
1840+
.height_mm = 170,
1841+
};
1842+
16321843
static int ili9881c_get_modes(struct drm_panel *panel,
16331844
struct drm_connector *connector)
16341845
{
@@ -1797,8 +2008,18 @@ static const struct ili9881c_desc rpi_7inch_desc = {
17972008
.lanes = 2,
17982009
};
17992010

2011+
static const struct ili9881c_desc bsd1218_a101kl68_desc = {
2012+
.init = bsd1218_a101kl68_init,
2013+
.init_length = ARRAY_SIZE(bsd1218_a101kl68_init),
2014+
.mode = &bsd1218_a101kl68_default_mode,
2015+
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
2016+
MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
2017+
.lanes = 4,
2018+
};
2019+
18002020
static const struct of_device_id ili9881c_of_match[] = {
18012021
{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
2022+
{ .compatible = "bestar,bsd1218-a101kl68", .data = &bsd1218_a101kl68_desc },
18022023
{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
18032024
{ .compatible = "startek,kd050hdfia020", .data = &kd050hdfia020_desc },
18042025
{ .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc },

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