[PATCH 3/3] drm/panel: ilitek-ili9881c: Add configuration for 7" Raspberry Pi 720x1280
Marek Vasut
marek.vasut+renesas at mailbox.org
Sun Jun 8 14:28:18 UTC 2025
Add configuration for the 7" Raspberry Pi 720x1280 DSI panel
based on ili9881.
Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Based on https://github.com/raspberrypi/linux 0d7ac78a3dd9 ("Extending ili9881c driver support for nwe080 panel")
by Dave Stevenson <dave.stevenson at raspberrypi.com> and others
---
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Dave Stevenson <dave.stevenson at raspberrypi.com>
Cc: David Airlie <airlied at gmail.com>
Cc: Jessica Zhang <quic_jesszhan at quicinc.com>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Maxime Ripard <mripard at kernel.org>
Cc: Neil Armstrong <neil.armstrong at linaro.org>
Cc: Rob Herring <robh at kernel.org>
Cc: Simona Vetter <simona at ffwll.ch>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: devicetree at vger.kernel.org
Cc: dri-devel at lists.freedesktop.org
Cc: linux-renesas-soc at vger.kernel.org
---
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 219 ++++++++++++++++++
1 file changed, 219 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 2f5ae69148cc..06c5ef9a4946 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1224,6 +1224,199 @@ static const struct ili9881c_instr am8001280g_init[] = {
ILI9881C_COMMAND_INSTR(MIPI_DCS_WRITE_POWER_SAVE, 0x00),
};
+static const struct ili9881c_instr rpi_7inch_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, 0x00),
+ ILI9881C_COMMAND_INSTR(0x05, 0x00),
+ ILI9881C_COMMAND_INSTR(0x06, 0x0a),
+ ILI9881C_COMMAND_INSTR(0x07, 0x00),
+ ILI9881C_COMMAND_INSTR(0x08, 0x00),
+ ILI9881C_COMMAND_INSTR(0x09, 0x61),
+ ILI9881C_COMMAND_INSTR(0x0a, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0b, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0c, 0x01),
+ ILI9881C_COMMAND_INSTR(0x0d, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0e, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0f, 0x61),
+ ILI9881C_COMMAND_INSTR(0x10, 0x61),
+ ILI9881C_COMMAND_INSTR(0x11, 0x00),
+ ILI9881C_COMMAND_INSTR(0x12, 0x00),
+ ILI9881C_COMMAND_INSTR(0x13, 0x00),
+ 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, 0x40),
+ ILI9881C_COMMAND_INSTR(0x1f, 0x80),
+ ILI9881C_COMMAND_INSTR(0x20, 0x06),
+ ILI9881C_COMMAND_INSTR(0x21, 0x01),
+ 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, 0x04),
+ ILI9881C_COMMAND_INSTR(0x35, 0x00),
+ ILI9881C_COMMAND_INSTR(0x36, 0x00),
+ ILI9881C_COMMAND_INSTR(0x37, 0x00),
+ ILI9881C_COMMAND_INSTR(0x38, 0x3c),
+ 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, 0x10),
+ ILI9881C_COMMAND_INSTR(0x51, 0x32),
+ ILI9881C_COMMAND_INSTR(0x52, 0x54),
+ ILI9881C_COMMAND_INSTR(0x53, 0x76),
+ ILI9881C_COMMAND_INSTR(0x54, 0x98),
+ ILI9881C_COMMAND_INSTR(0x55, 0xba),
+ ILI9881C_COMMAND_INSTR(0x56, 0x10),
+ ILI9881C_COMMAND_INSTR(0x57, 0x32),
+ ILI9881C_COMMAND_INSTR(0x58, 0x54),
+ ILI9881C_COMMAND_INSTR(0x59, 0x76),
+ ILI9881C_COMMAND_INSTR(0x5a, 0x98),
+ ILI9881C_COMMAND_INSTR(0x5b, 0xba),
+ ILI9881C_COMMAND_INSTR(0x5c, 0xdc),
+ ILI9881C_COMMAND_INSTR(0x5d, 0xfe),
+ ILI9881C_COMMAND_INSTR(0x5e, 0x00),
+ ILI9881C_COMMAND_INSTR(0x5f, 0x0e),
+ ILI9881C_COMMAND_INSTR(0x60, 0x0f),
+ ILI9881C_COMMAND_INSTR(0x61, 0x0c),
+ ILI9881C_COMMAND_INSTR(0x62, 0x0d),
+ ILI9881C_COMMAND_INSTR(0x63, 0x06),
+ ILI9881C_COMMAND_INSTR(0x64, 0x07),
+ ILI9881C_COMMAND_INSTR(0x65, 0x02),
+ ILI9881C_COMMAND_INSTR(0x66, 0x02),
+ ILI9881C_COMMAND_INSTR(0x67, 0x02),
+ ILI9881C_COMMAND_INSTR(0x68, 0x02),
+ ILI9881C_COMMAND_INSTR(0x69, 0x01),
+ ILI9881C_COMMAND_INSTR(0x6a, 0x00),
+ ILI9881C_COMMAND_INSTR(0x6b, 0x02),
+ ILI9881C_COMMAND_INSTR(0x6c, 0x15),
+ ILI9881C_COMMAND_INSTR(0x6d, 0x14),
+ ILI9881C_COMMAND_INSTR(0x6e, 0x02),
+ ILI9881C_COMMAND_INSTR(0x6f, 0x02),
+ ILI9881C_COMMAND_INSTR(0x70, 0x02),
+ ILI9881C_COMMAND_INSTR(0x71, 0x02),
+ ILI9881C_COMMAND_INSTR(0x72, 0x02),
+ ILI9881C_COMMAND_INSTR(0x73, 0x02),
+ ILI9881C_COMMAND_INSTR(0x74, 0x02),
+ ILI9881C_COMMAND_INSTR(0x75, 0x0e),
+ ILI9881C_COMMAND_INSTR(0x76, 0x0f),
+ ILI9881C_COMMAND_INSTR(0x77, 0x0c),
+ ILI9881C_COMMAND_INSTR(0x78, 0x0d),
+ ILI9881C_COMMAND_INSTR(0x79, 0x06),
+ ILI9881C_COMMAND_INSTR(0x7a, 0x07),
+ ILI9881C_COMMAND_INSTR(0x7b, 0x02),
+ ILI9881C_COMMAND_INSTR(0x7c, 0x02),
+ ILI9881C_COMMAND_INSTR(0x7d, 0x02),
+ ILI9881C_COMMAND_INSTR(0x7e, 0x02),
+ ILI9881C_COMMAND_INSTR(0x7f, 0x01),
+ ILI9881C_COMMAND_INSTR(0x80, 0x00),
+ ILI9881C_COMMAND_INSTR(0x81, 0x02),
+ ILI9881C_COMMAND_INSTR(0x82, 0x14),
+ ILI9881C_COMMAND_INSTR(0x83, 0x15),
+ ILI9881C_COMMAND_INSTR(0x84, 0x02),
+ ILI9881C_COMMAND_INSTR(0x85, 0x02),
+ ILI9881C_COMMAND_INSTR(0x86, 0x02),
+ ILI9881C_COMMAND_INSTR(0x87, 0x02),
+ ILI9881C_COMMAND_INSTR(0x88, 0x02),
+ 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, 0x33),
+ ILI9881C_COMMAND_INSTR(0x3B, 0x98),
+ ILI9881C_COMMAND_INSTR(0x3a, 0x94),
+ ILI9881C_COMMAND_INSTR(0x8D, 0x14),
+ ILI9881C_COMMAND_INSTR(0x87, 0xBA),
+ ILI9881C_COMMAND_INSTR(0x26, 0x76),
+ ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
+ ILI9881C_COMMAND_INSTR(0xB5, 0x06),
+ ILI9881C_COMMAND_INSTR(0x38, 0x01),
+ ILI9881C_COMMAND_INSTR(0x39, 0x00),
+ ILI9881C_SWITCH_PAGE_INSTR(1),
+ ILI9881C_COMMAND_INSTR(0x22, 0x0A),
+ ILI9881C_COMMAND_INSTR(0x31, 0x00),
+ ILI9881C_COMMAND_INSTR(0x53, 0x7d),
+ ILI9881C_COMMAND_INSTR(0x55, 0x8f),
+ ILI9881C_COMMAND_INSTR(0x40, 0x33),
+ ILI9881C_COMMAND_INSTR(0x50, 0x96),
+ ILI9881C_COMMAND_INSTR(0x51, 0x96),
+ ILI9881C_COMMAND_INSTR(0x60, 0x23),
+ ILI9881C_COMMAND_INSTR(0xA0, 0x08),
+ ILI9881C_COMMAND_INSTR(0xA1, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xA2, 0x2a),
+ ILI9881C_COMMAND_INSTR(0xA3, 0x10),
+ ILI9881C_COMMAND_INSTR(0xA4, 0x15),
+ ILI9881C_COMMAND_INSTR(0xA5, 0x28),
+ ILI9881C_COMMAND_INSTR(0xA6, 0x1c),
+ ILI9881C_COMMAND_INSTR(0xA7, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xA8, 0x7e),
+ ILI9881C_COMMAND_INSTR(0xA9, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xAA, 0x29),
+ ILI9881C_COMMAND_INSTR(0xAB, 0x6b),
+ ILI9881C_COMMAND_INSTR(0xAC, 0x1a),
+ ILI9881C_COMMAND_INSTR(0xAD, 0x18),
+ ILI9881C_COMMAND_INSTR(0xAE, 0x4b),
+ ILI9881C_COMMAND_INSTR(0xAF, 0x20),
+ ILI9881C_COMMAND_INSTR(0xB0, 0x27),
+ ILI9881C_COMMAND_INSTR(0xB1, 0x50),
+ ILI9881C_COMMAND_INSTR(0xB2, 0x64),
+ ILI9881C_COMMAND_INSTR(0xB3, 0x39),
+ ILI9881C_COMMAND_INSTR(0xC0, 0x08),
+ ILI9881C_COMMAND_INSTR(0xC1, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xC2, 0x2a),
+ ILI9881C_COMMAND_INSTR(0xC3, 0x10),
+ ILI9881C_COMMAND_INSTR(0xC4, 0x15),
+ ILI9881C_COMMAND_INSTR(0xC5, 0x28),
+ ILI9881C_COMMAND_INSTR(0xC6, 0x1c),
+ ILI9881C_COMMAND_INSTR(0xC7, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xC8, 0x7e),
+ ILI9881C_COMMAND_INSTR(0xC9, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xCA, 0x29),
+ ILI9881C_COMMAND_INSTR(0xCB, 0x6b),
+ ILI9881C_COMMAND_INSTR(0xCC, 0x1a),
+ ILI9881C_COMMAND_INSTR(0xCD, 0x18),
+ ILI9881C_COMMAND_INSTR(0xCE, 0x4b),
+ ILI9881C_COMMAND_INSTR(0xCF, 0x20),
+ ILI9881C_COMMAND_INSTR(0xD0, 0x27),
+ ILI9881C_COMMAND_INSTR(0xD1, 0x50),
+ ILI9881C_COMMAND_INSTR(0xD2, 0x64),
+ ILI9881C_COMMAND_INSTR(0xD3, 0x39),
+};
+
static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
{
return container_of(panel, struct ili9881c, panel);
@@ -1450,6 +1643,23 @@ static const struct drm_display_mode am8001280g_default_mode = {
.height_mm = 151,
};
+static const struct drm_display_mode rpi_7inch_default_mode = {
+ .clock = 83330,
+
+ .hdisplay = 720,
+ .hsync_start = 720 + 239,
+ .hsync_end = 720 + 239 + 33,
+ .htotal = 720 + 239 + 33 + 50,
+
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 20,
+ .vsync_end = 1280 + 20 + 2,
+ .vtotal = 1280 + 20 + 2 + 30,
+
+ .width_mm = 90,
+ .height_mm = 151,
+};
+
static int ili9881c_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
@@ -1613,6 +1823,14 @@ static const struct ili9881c_desc am8001280g_desc = {
MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
};
+static const struct ili9881c_desc rpi_7inch_desc = {
+ .init = rpi_7inch_init,
+ .init_length = ARRAY_SIZE(rpi_7inch_init),
+ .mode = &rpi_7inch_default_mode,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM,
+ .lanes = 2,
+};
+
static const struct of_device_id ili9881c_of_match[] = {
{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
@@ -1620,6 +1838,7 @@ 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-7inch", &rpi_7inch_desc },
{ }
};
MODULE_DEVICE_TABLE(of, ili9881c_of_match);
--
2.47.2
More information about the dri-devel
mailing list