[PATCH 4/4] drm: panel: Add Saef SFTO340XC LCD panel
Kory Maincent
kory.maincent at bootlin.com
Tue Apr 8 15:27:03 UTC 2025
Add support for Saef Technology Limited SFTO340XC LCD panel.
Signed-off-by: Kory Maincent <kory.maincent at bootlin.com>
---
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 232 ++++++++++++++++++++++++++
1 file changed, 232 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 5c429715159755df2461063dad0971642e2b9041..8ea837ff3f7ad1f4b8ba5f2e9f50472a16afcbae 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -43,6 +43,7 @@ struct ili9881c_desc {
const struct drm_display_mode *mode;
const unsigned long mode_flags;
u8 default_address_mode;
+ const unsigned int msleep_delay;
};
struct ili9881c {
@@ -457,6 +458,207 @@ static const struct ili9881c_instr k101_im2byl02_init[] = {
ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */
};
+static const struct ili9881c_instr sfto340xc_init[] = {
+ ILI9881C_SWITCH_PAGE_INSTR(3),
+ ILI9881C_COMMAND_INSTR(0x01, 0x00),
+ ILI9881C_COMMAND_INSTR(0x02, 0x01),
+ ILI9881C_COMMAND_INSTR(0x03, 0x73),
+ ILI9881C_COMMAND_INSTR(0x04, 0x03),
+ ILI9881C_COMMAND_INSTR(0x05, 0x00),
+ ILI9881C_COMMAND_INSTR(0x06, 0x0A),
+ ILI9881C_COMMAND_INSTR(0x07, 0x05),
+ ILI9881C_COMMAND_INSTR(0x08, 0x00),
+ ILI9881C_COMMAND_INSTR(0x09, 0x40),
+ ILI9881C_COMMAND_INSTR(0x0a, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0B, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0C, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0D, 0x40),
+ ILI9881C_COMMAND_INSTR(0x0E, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0f, 0x3c),
+ ILI9881C_COMMAND_INSTR(0x10, 0x3c),
+ 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, 0xC0),
+ 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, 0xB3),
+ 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, 0x23),
+ ILI9881C_COMMAND_INSTR(0x35, 0x00),
+ ILI9881C_COMMAND_INSTR(0x36, 0x00),
+ ILI9881C_COMMAND_INSTR(0x37, 0x08),
+ 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, 0x01),
+ ILI9881C_COMMAND_INSTR(0x51, 0x23),
+ ILI9881C_COMMAND_INSTR(0x52, 0x44),
+ 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, 0x01),
+ ILI9881C_COMMAND_INSTR(0x5F, 0x00),
+ ILI9881C_COMMAND_INSTR(0x60, 0x00),
+ ILI9881C_COMMAND_INSTR(0x61, 0x01),
+ ILI9881C_COMMAND_INSTR(0x62, 0x01),
+ ILI9881C_COMMAND_INSTR(0x63, 0x08),
+ ILI9881C_COMMAND_INSTR(0x64, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x65, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x66, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x67, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x68, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x69, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x6A, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x6B, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x6C, 0x02),
+ ILI9881C_COMMAND_INSTR(0x6D, 0x02),
+ ILI9881C_COMMAND_INSTR(0x6E, 0x14),
+ ILI9881C_COMMAND_INSTR(0x6F, 0x14),
+ ILI9881C_COMMAND_INSTR(0x70, 0x15),
+ ILI9881C_COMMAND_INSTR(0x71, 0x15),
+ ILI9881C_COMMAND_INSTR(0x72, 0x06),
+ ILI9881C_COMMAND_INSTR(0x73, 0x07),
+ ILI9881C_COMMAND_INSTR(0x74, 0x02),
+ ILI9881C_COMMAND_INSTR(0x75, 0x00),
+ ILI9881C_COMMAND_INSTR(0x76, 0x00),
+ ILI9881C_COMMAND_INSTR(0x77, 0x01),
+ ILI9881C_COMMAND_INSTR(0x78, 0x01),
+ ILI9881C_COMMAND_INSTR(0x79, 0x08),
+ ILI9881C_COMMAND_INSTR(0x7A, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x7B, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x7C, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x7D, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x7E, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x7F, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x80, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x81, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x82, 0x02),
+ ILI9881C_COMMAND_INSTR(0x83, 0x02),
+ ILI9881C_COMMAND_INSTR(0x84, 0x14),
+ ILI9881C_COMMAND_INSTR(0x85, 0x14),
+ ILI9881C_COMMAND_INSTR(0x86, 0x15),
+ ILI9881C_COMMAND_INSTR(0x87, 0x15),
+ ILI9881C_COMMAND_INSTR(0x88, 0x07),
+ ILI9881C_COMMAND_INSTR(0x89, 0x06),
+ ILI9881C_COMMAND_INSTR(0x8A, 0x02),
+ ILI9881C_SWITCH_PAGE_INSTR(4),
+ ILI9881C_COMMAND_INSTR(0x6C, 0x15),
+ ILI9881C_COMMAND_INSTR(0x6E, 0x1a),
+ ILI9881C_COMMAND_INSTR(0x6F, 0x35),
+ ILI9881C_COMMAND_INSTR(0x8D, 0x1f),
+ ILI9881C_COMMAND_INSTR(0x87, 0xBA),
+ ILI9881C_COMMAND_INSTR(0x26, 0x76),
+ ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
+ ILI9881C_COMMAND_INSTR(0x3B, 0x98),
+ ILI9881C_COMMAND_INSTR(0x3A, 0x24),
+ ILI9881C_COMMAND_INSTR(0x35, 0x1F),
+ ILI9881C_COMMAND_INSTR(0xB5, 0x27),
+ ILI9881C_COMMAND_INSTR(0x31, 0x75),
+ ILI9881C_COMMAND_INSTR(0x30, 0x03),
+ ILI9881C_COMMAND_INSTR(0x33, 0x14),
+ ILI9881C_COMMAND_INSTR(0x38, 0x01),
+ ILI9881C_COMMAND_INSTR(0x39, 0x00),
+ ILI9881C_SWITCH_PAGE_INSTR(1),
+ ILI9881C_COMMAND_INSTR(0x22, 0x0a),
+ ILI9881C_COMMAND_INSTR(0x2E, 0x50),
+ ILI9881C_COMMAND_INSTR(0x2F, 0x00),
+ ILI9881C_COMMAND_INSTR(0x31, 0x00),
+ ILI9881C_COMMAND_INSTR(0x53, 0x4a),
+ ILI9881C_COMMAND_INSTR(0x55, 0x65),
+ ILI9881C_COMMAND_INSTR(0x50, 0xbf),
+ ILI9881C_COMMAND_INSTR(0x51, 0xbf),
+ ILI9881C_COMMAND_INSTR(0x60, 0x14),
+ ILI9881C_COMMAND_INSTR(0x61, 0x00),
+ ILI9881C_COMMAND_INSTR(0x62, 0x20),
+ ILI9881C_COMMAND_INSTR(0x63, 0x10),
+ ILI9881C_COMMAND_INSTR(0xA0, 0x04),
+ ILI9881C_COMMAND_INSTR(0xA1, 0x39),
+ ILI9881C_COMMAND_INSTR(0xA2, 0x48),
+ ILI9881C_COMMAND_INSTR(0xA3, 0x13),
+ ILI9881C_COMMAND_INSTR(0xA4, 0x17),
+ ILI9881C_COMMAND_INSTR(0xA5, 0x29),
+ ILI9881C_COMMAND_INSTR(0xA6, 0x1c),
+ ILI9881C_COMMAND_INSTR(0xA7, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xA8, 0xbb),
+ ILI9881C_COMMAND_INSTR(0xA9, 0x16),
+ ILI9881C_COMMAND_INSTR(0xAA, 0x24),
+ ILI9881C_COMMAND_INSTR(0xAB, 0x9e),
+ ILI9881C_COMMAND_INSTR(0xAC, 0x16),
+ ILI9881C_COMMAND_INSTR(0xAD, 0x14),
+ ILI9881C_COMMAND_INSTR(0xAE, 0x48),
+ ILI9881C_COMMAND_INSTR(0xAF, 0x1c),
+ ILI9881C_COMMAND_INSTR(0xB0, 0x22),
+ ILI9881C_COMMAND_INSTR(0xB1, 0x51),
+ ILI9881C_COMMAND_INSTR(0xB2, 0x60),
+ ILI9881C_COMMAND_INSTR(0xB3, 0x32),
+ ILI9881C_COMMAND_INSTR(0xC0, 0x04),
+ ILI9881C_COMMAND_INSTR(0xC1, 0x39),
+ ILI9881C_COMMAND_INSTR(0xC2, 0x48),
+ ILI9881C_COMMAND_INSTR(0xC3, 0x13),
+ ILI9881C_COMMAND_INSTR(0xC4, 0x17),
+ ILI9881C_COMMAND_INSTR(0xC5, 0x29),
+ ILI9881C_COMMAND_INSTR(0xC6, 0x1c),
+ ILI9881C_COMMAND_INSTR(0xC7, 0x1d),
+ ILI9881C_COMMAND_INSTR(0xC8, 0xbb),
+ ILI9881C_COMMAND_INSTR(0xC9, 0x16),
+ ILI9881C_COMMAND_INSTR(0xCA, 0x24),
+ ILI9881C_COMMAND_INSTR(0xCB, 0x9e),
+ ILI9881C_COMMAND_INSTR(0xCC, 0x16),
+ ILI9881C_COMMAND_INSTR(0xCD, 0x14),
+ ILI9881C_COMMAND_INSTR(0xCE, 0x48),
+ ILI9881C_COMMAND_INSTR(0xCF, 0x1c),
+ ILI9881C_COMMAND_INSTR(0xD0, 0x22),
+ ILI9881C_COMMAND_INSTR(0xD1, 0x51),
+ ILI9881C_COMMAND_INSTR(0xD2, 0x60),
+ ILI9881C_COMMAND_INSTR(0xD3, 0x32),
+};
+
static const struct ili9881c_instr kd050hdfia020_init[] = {
ILI9881C_SWITCH_PAGE_INSTR(3),
ILI9881C_COMMAND_INSTR(0x01, 0x00),
@@ -1334,6 +1536,9 @@ static int ili9881c_prepare(struct drm_panel *panel)
if (ret)
return ret;
+ if (ctx->desc->msleep_delay)
+ msleep(ctx->desc->msleep_delay);
+
return 0;
}
@@ -1400,6 +1605,23 @@ static const struct drm_display_mode k101_im2byl02_default_mode = {
.height_mm = 217,
};
+static const struct drm_display_mode sfto340xc_default_mode = {
+ .clock = 34000,
+
+ .hdisplay = 800,
+ .hsync_start = 800 + 10,
+ .hsync_end = 800 + 10 + 5,
+ .htotal = 800 + 10 + 5 + 10,
+
+ .vdisplay = 800,
+ .vsync_start = 800 + 10,
+ .vsync_end = 800 + 10 + 5,
+ .vtotal = 800 + 10 + 5 + 10,
+
+ .width_mm = 87,
+ .height_mm = 87,
+};
+
static const struct drm_display_mode kd050hdfia020_default_mode = {
.clock = 62000,
@@ -1607,6 +1829,15 @@ static const struct ili9881c_desc k101_im2byl02_desc = {
.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
};
+static const struct ili9881c_desc sfto340xc_desc = {
+ .init = sfto340xc_init,
+ .init_length = ARRAY_SIZE(sfto340xc_init),
+ .mode = &sfto340xc_default_mode,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS,
+ .msleep_delay = 100,
+};
+
static const struct ili9881c_desc kd050hdfia020_desc = {
.init = kd050hdfia020_init,
.init_length = ARRAY_SIZE(kd050hdfia020_init),
@@ -1643,6 +1874,7 @@ static const struct ili9881c_desc am8001280g_desc = {
static const struct of_device_id ili9881c_of_match[] = {
{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
+ { .compatible = "saef,sfto340xc", .data = &sfto340xc_desc },
{ .compatible = "startek,kd050hdfia020", .data = &kd050hdfia020_desc },
{ .compatible = "tdo,tl050hdv35", .data = &tl050hdv35_desc },
{ .compatible = "wanchanglong,w552946aba", .data = &w552946aba_desc },
--
2.34.1
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