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Message-ID: <20250714221804.25691-4-richard@scandent.com>
Date: Mon, 14 Jul 2025 18:18:01 -0400
From: Richard Yao <richard@...ndent.com>
To: dri-devel@...ts.freedesktop.org
Cc: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Akshay Athalye <akshay@...ndent.com>,
Richard Yao <richard@...ndent.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Jessica Zhang <quic_jesszhan@...cinc.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>,
Simona Vetter <simona@...ll.ch>
Subject: [PATCH v3 3/3] drm/panel: ilitek-ili9881c: Add Tianxianwei TWX700100S0 support
Add support for the Tianxianwei TWX700100S0 panel.
The init table was provided by Tianxianwei. Their comments have been
preserved.
Signed-off-by: Richard Yao <richard@...ndent.com>
---
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 242 ++++++++++++++++++
1 file changed, 242 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 28cd7560e5db..53ef40832f28 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1223,6 +1223,223 @@ static const struct ili9881c_instr am8001280g_init[] = {
ILI9881C_COMMAND_INSTR(MIPI_DCS_WRITE_POWER_SAVE, 0x00),
};
+static const struct ili9881c_instr txw700100s0_init[] = {
+ ILI9881C_SWITCH_PAGE_INSTR(3),
+ /* GIP_1 */
+ ILI9881C_COMMAND_INSTR(0x01, 0x00),
+ ILI9881C_COMMAND_INSTR(0x02, 0x00),
+ ILI9881C_COMMAND_INSTR(0x03, 0x72), /* STVA 3H */
+ ILI9881C_COMMAND_INSTR(0x04, 0x00), /* STVB */
+ ILI9881C_COMMAND_INSTR(0x05, 0x00), /* STVC */
+ ILI9881C_COMMAND_INSTR(0x06, 0x09), /* STVA_Rise */
+ ILI9881C_COMMAND_INSTR(0x07, 0x00), /* STVB_Rise */
+ ILI9881C_COMMAND_INSTR(0x08, 0x00), /* STVC_Rise */
+ ILI9881C_COMMAND_INSTR(0x09, 0x00), /* STVA_non overlap 2.5us=14 */
+ ILI9881C_COMMAND_INSTR(0x0a, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0b, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0c, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0d, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0e, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0f, 0x00), /* CLKA_non overlap 2.5us=14 */
+ ILI9881C_COMMAND_INSTR(0x10, 0x00),
+ 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), /* CLKA 40自動反 C0手動反(X8參考CLKB) */
+ ILI9881C_COMMAND_INSTR(0x1f, 0x80),
+ ILI9881C_COMMAND_INSTR(0x20, 0x05), /* CLKA_Rise */
+ ILI9881C_COMMAND_INSTR(0x21, 0x02), /* CLKA_Fall */
+ 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), /* CLK Phase_NUM=8 */
+ ILI9881C_COMMAND_INSTR(0x29, 0x22), /* CLK overlap 3H */
+ 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), /* VDD1&2 non-overlap 04:2.62us */
+ ILI9881C_COMMAND_INSTR(0x35, 0x00),
+ ILI9881C_COMMAND_INSTR(0x36, 0x00),
+ ILI9881C_COMMAND_INSTR(0x37, 0x00),
+ ILI9881C_COMMAND_INSTR(0x38, 0x3C), /* VDD1&2 toggle 1sec */
+ 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),
+
+ /* GIP_2 */
+ ILI9881C_COMMAND_INSTR(0x50, 0x10), /* STV_1, 0x2 */
+ ILI9881C_COMMAND_INSTR(0x51, 0x32), /* STV_3, 0x4 */
+ ILI9881C_COMMAND_INSTR(0x52, 0x54), /* STV_5, 0x6 */
+ ILI9881C_COMMAND_INSTR(0x53, 0x76), /* STV_7, 0x8 */
+ ILI9881C_COMMAND_INSTR(0x54, 0x98), /* STV_9, 0x10 */
+ ILI9881C_COMMAND_INSTR(0x55, 0xba), /* STV_11, 0x12 */
+ ILI9881C_COMMAND_INSTR(0x56, 0x10), /* CLK_1.2 */
+ ILI9881C_COMMAND_INSTR(0x57, 0x32), /* CLK_3, 0x4 */
+ ILI9881C_COMMAND_INSTR(0x58, 0x54), /* CLK_5, 0x6 */
+ ILI9881C_COMMAND_INSTR(0x59, 0x76), /* CLK_7, 0x8 */
+ ILI9881C_COMMAND_INSTR(0x5a, 0x98), /* CLK_9, 0x10 */
+ ILI9881C_COMMAND_INSTR(0x5b, 0xba), /* CLK_11, 0x12 */
+ ILI9881C_COMMAND_INSTR(0x5c, 0xdc), /* CLK_13, 0x14 */
+ ILI9881C_COMMAND_INSTR(0x5d, 0xfe), /* CLK_15, 0x16 */
+
+ /* GIP_3 */
+ ILI9881C_COMMAND_INSTR(0x5e, 0x00),
+ ILI9881C_COMMAND_INSTR(0x5f, 0x01), /* FW_CGOUT_L[1] FW */
+ ILI9881C_COMMAND_INSTR(0x60, 0x00), /* FW_CGOUT_L[2] BW */
+ ILI9881C_COMMAND_INSTR(0x61, 0x15), /* FW_CGOUT_L[3] GPWR1 */
+ ILI9881C_COMMAND_INSTR(0x62, 0x14), /* FW_CGOUT_L[4] GPWR2 */
+ ILI9881C_COMMAND_INSTR(0x63, 0x0E), /* FW_CGOUT_L[5] CLK1_R */
+ ILI9881C_COMMAND_INSTR(0x64, 0x0F), /* FW_CGOUT_L[6] CLK2_R */
+ ILI9881C_COMMAND_INSTR(0x65, 0x0C), /* FW_CGOUT_L[7] CLK3_R */
+ ILI9881C_COMMAND_INSTR(0x66, 0x0D), /* FW_CGOUT_L[8] CLK4_R */
+ ILI9881C_COMMAND_INSTR(0x67, 0x06), /* FW_CGOUT_L[9] iSTV1_R (STVA_1) */
+ ILI9881C_COMMAND_INSTR(0x68, 0x02), /* FW_CGOUT_L[10] */
+ ILI9881C_COMMAND_INSTR(0x69, 0x02), /* FW_CGOUT_L[11] */
+ ILI9881C_COMMAND_INSTR(0x6a, 0x02), /* FW_CGOUT_L[12] */
+ ILI9881C_COMMAND_INSTR(0x6b, 0x02), /* FW_CGOUT_L[13] */
+ ILI9881C_COMMAND_INSTR(0x6c, 0x02), /* FW_CGOUT_L[14] */
+ ILI9881C_COMMAND_INSTR(0x6d, 0x02), /* FW_CGOUT_L[15] */
+ ILI9881C_COMMAND_INSTR(0x6e, 0x07), /* FW_CGOUT_L[16] STV2_R (STVA_3) */
+ ILI9881C_COMMAND_INSTR(0x6f, 0x02), /* FW_CGOUT_L[17] VGL */
+ ILI9881C_COMMAND_INSTR(0x70, 0x02), /* FW_CGOUT_L[18] VGL */
+ ILI9881C_COMMAND_INSTR(0x71, 0x02), /* FW_CGOUT_L[19] VGL */
+ ILI9881C_COMMAND_INSTR(0x72, 0x02), /* FW_CGOUT_L[20] */
+ ILI9881C_COMMAND_INSTR(0x73, 0x02), /* FW_CGOUT_L[21] */
+ ILI9881C_COMMAND_INSTR(0x74, 0x02), /* FW_CGOUT_L[22] */
+
+ ILI9881C_COMMAND_INSTR(0x75, 0x01), /* BW_CGOUT_L[1] FW */
+ ILI9881C_COMMAND_INSTR(0x76, 0x00), /* BW_CGOUT_L[2] BW */
+ ILI9881C_COMMAND_INSTR(0x77, 0x14), /* BW_CGOUT_L[3] GPWR1 */
+ ILI9881C_COMMAND_INSTR(0x78, 0x15), /* BW_CGOUT_L[4] GPWR2 */
+ ILI9881C_COMMAND_INSTR(0x79, 0x0E), /* BW_CGOUT_L[5] CLK1_R */
+ ILI9881C_COMMAND_INSTR(0x7a, 0x0F), /* BW_CGOUT_L[6] CLK2_R */
+ ILI9881C_COMMAND_INSTR(0x7b, 0x0C), /* BW_CGOUT_L[7] CLK3_R */
+ ILI9881C_COMMAND_INSTR(0x7c, 0x0D), /* BW_CGOUT_L[8] CLK4_R */
+ ILI9881C_COMMAND_INSTR(0x7d, 0x06), /* BW_CGOUT_L[9] STV1_R */
+ ILI9881C_COMMAND_INSTR(0x7e, 0x02), /* BW_CGOUT_L[10] */
+ ILI9881C_COMMAND_INSTR(0x7f, 0x02), /* BW_CGOUT_L[11] */
+ ILI9881C_COMMAND_INSTR(0x80, 0x02), /* BW_CGOUT_L[12] */
+ ILI9881C_COMMAND_INSTR(0x81, 0x02), /* BW_CGOUT_L[13] */
+ ILI9881C_COMMAND_INSTR(0x82, 0x02), /* BW_CGOUT_L[14] */
+ ILI9881C_COMMAND_INSTR(0x83, 0x02), /* BW_CGOUT_L[15] */
+ ILI9881C_COMMAND_INSTR(0x84, 0x07), /* BW_CGOUT_L[16] STV2_R */
+ ILI9881C_COMMAND_INSTR(0x85, 0x02), /* BW_CGOUT_L[17] VGL */
+ ILI9881C_COMMAND_INSTR(0x86, 0x02), /* BW_CGOUT_L[18] VGL */
+ ILI9881C_COMMAND_INSTR(0x87, 0x02), /* BW_CGOUT_L[19] VGL */
+ ILI9881C_COMMAND_INSTR(0x88, 0x02), /* BW_CGOUT_L[20] */
+ ILI9881C_COMMAND_INSTR(0x89, 0x02), /* BW_CGOUT_L[21] */
+ ILI9881C_COMMAND_INSTR(0x8A, 0x02), /* BW_CGOUT_L[22] */
+
+ ILI9881C_SWITCH_PAGE_INSTR(4),
+ ILI9881C_COMMAND_INSTR(0x6E, 0x2A), /* di_pwr_reg=0 for power mode 2A //VGH clamp 15V */
+ ILI9881C_COMMAND_INSTR(0x6F, 0x35), /* reg vcl + pumping ratio VGH=3x VGL=-3x */
+ ILI9881C_COMMAND_INSTR(0x3A, 0x24), /* POWER SAVING */
+ ILI9881C_COMMAND_INSTR(0x8D, 0x14), /* VGL clamp -10V */
+ ILI9881C_COMMAND_INSTR(0x87, 0xBA), /* ESD */
+ ILI9881C_COMMAND_INSTR(0x26, 0x76),
+ ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
+ ILI9881C_COMMAND_INSTR(0xB5, 0x27), /* GMA BIAS */
+ ILI9881C_COMMAND_INSTR(0x31, 0x75), /* SRC BIAS */
+ ILI9881C_COMMAND_INSTR(0x30, 0x03), /* SRC OUTPUT BIAS */
+ ILI9881C_COMMAND_INSTR(0x3B, 0x98), /* PUMP SHIFT CLK */
+ ILI9881C_COMMAND_INSTR(0x35, 0x1F), /* HZ_opt */
+ ILI9881C_COMMAND_INSTR(0x33, 0x14), /* Blanking frame 設定為GND */
+ ILI9881C_COMMAND_INSTR(0x7A, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x38, 0x01),
+ ILI9881C_COMMAND_INSTR(0x39, 0x00),
+
+ ILI9881C_SWITCH_PAGE_INSTR(1),
+ ILI9881C_COMMAND_INSTR(0x22, 0x0A), /* BGR, 0x SS */
+ ILI9881C_COMMAND_INSTR(0x31, 0x00), /* Column inversion */
+ ILI9881C_COMMAND_INSTR(0x53, 0x45), /* VCOM1 41 44 45 4A */
+ ILI9881C_COMMAND_INSTR(0x55, 0x4E), /* VCOM2 4E */
+ ILI9881C_COMMAND_INSTR(0x50, 0xC7), /* VREG1OUT=5.1V */
+ ILI9881C_COMMAND_INSTR(0x51, 0xC2), /* VREG2OUT=-5.1V */
+ ILI9881C_COMMAND_INSTR(0x60, 0x25), /* SDT=2.5us 蚕22蜊傖25 */
+ ILI9881C_COMMAND_INSTR(0x63, 0x00),
+
+ /* ============Gamma START============= */
+ /* Pos Register */
+ ILI9881C_COMMAND_INSTR(0xA0, 0x00),
+ ILI9881C_COMMAND_INSTR(0xA1, 0x16),
+ ILI9881C_COMMAND_INSTR(0xA2, 0x26),
+ ILI9881C_COMMAND_INSTR(0xA3, 0x16),
+ ILI9881C_COMMAND_INSTR(0xA4, 0x19),
+ ILI9881C_COMMAND_INSTR(0xA5, 0x2B),
+ ILI9881C_COMMAND_INSTR(0xA6, 0x1E),
+ ILI9881C_COMMAND_INSTR(0xA7, 0x20),
+ ILI9881C_COMMAND_INSTR(0xA8, 0x93),
+ ILI9881C_COMMAND_INSTR(0xA9, 0x20),
+ ILI9881C_COMMAND_INSTR(0xAA, 0x2C),
+ ILI9881C_COMMAND_INSTR(0xAB, 0x87),
+ ILI9881C_COMMAND_INSTR(0xAC, 0x1F),
+ ILI9881C_COMMAND_INSTR(0xAD, 0x1F),
+ ILI9881C_COMMAND_INSTR(0xAE, 0x53),
+ ILI9881C_COMMAND_INSTR(0xAF, 0x27),
+ ILI9881C_COMMAND_INSTR(0xB0, 0x2A),
+ ILI9881C_COMMAND_INSTR(0xB1, 0x52),
+ ILI9881C_COMMAND_INSTR(0xB2, 0x5B),
+ ILI9881C_COMMAND_INSTR(0xB3, 0x23),
+
+ /* Neg Register */
+ ILI9881C_COMMAND_INSTR(0xC0, 0x00),
+ ILI9881C_COMMAND_INSTR(0xC1, 0x11),
+ ILI9881C_COMMAND_INSTR(0xC2, 0x1E),
+ ILI9881C_COMMAND_INSTR(0xC3, 0x0F),
+ ILI9881C_COMMAND_INSTR(0xC4, 0x12),
+ ILI9881C_COMMAND_INSTR(0xC5, 0x26),
+ ILI9881C_COMMAND_INSTR(0xC6, 0x1C),
+ ILI9881C_COMMAND_INSTR(0xC7, 0x1E),
+ ILI9881C_COMMAND_INSTR(0xC8, 0x87),
+ ILI9881C_COMMAND_INSTR(0xC9, 0x19),
+ ILI9881C_COMMAND_INSTR(0xCA, 0x26),
+ ILI9881C_COMMAND_INSTR(0xCB, 0x7F),
+ ILI9881C_COMMAND_INSTR(0xCC, 0x20),
+ ILI9881C_COMMAND_INSTR(0xCD, 0x22),
+ ILI9881C_COMMAND_INSTR(0xCE, 0x58),
+ ILI9881C_COMMAND_INSTR(0xCF, 0x2A),
+ ILI9881C_COMMAND_INSTR(0xD0, 0x2E),
+ ILI9881C_COMMAND_INSTR(0xD1, 0x50),
+ ILI9881C_COMMAND_INSTR(0xD2, 0x5D),
+ ILI9881C_COMMAND_INSTR(0xD3, 0x23),
+
+ /* ============ Gamma END=========== */
+
+ ILI9881C_SWITCH_PAGE_INSTR(0),
+ ILI9881C_COMMAND_INSTR(0x35, 0x00),
+ ILI9881C_COMMAND_INSTR(0x11, 0x00),
+ ILI9881C_COMMAND_INSTR(0x29, 0x00),
+};
+
static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
{
return container_of(panel, struct ili9881c, panel);
@@ -1449,6 +1666,22 @@ static const struct drm_display_mode am8001280g_default_mode = {
.height_mm = 151,
};
+static const struct drm_display_mode txw700100s0_default_mode = {
+ .clock = 78086,
+
+ .hdisplay = 800,
+ .hsync_start = 800 + 80,
+ .hsync_end = 800 + 80 + 80,
+ .htotal = 800 + 80 + 80 + 20,
+
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 16,
+ .vsync_end = 1280 + 16 + 24,
+ .vtotal = 1280 + 16 + 24 + 8,
+
+ .width_mm = 90,
+ .height_mm = 151,
+};
static int ili9881c_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
@@ -1609,6 +1842,14 @@ static const struct ili9881c_desc am8001280g_desc = {
MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM,
};
+static const struct ili9881c_desc txw700100s0_desc = {
+ .init = txw700100s0_init,
+ .init_length = ARRAY_SIZE(txw700100s0_init),
+ .mode = &txw700100s0_default_mode,
+ .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
+ .lanes = 4,
+};
+
static const struct of_device_id ili9881c_of_match[] = {
{ .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
{ .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
@@ -1616,6 +1857,7 @@ 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 = "tianxianwei,txw700100s0", &txw700100s0_desc },
{ }
};
MODULE_DEVICE_TABLE(of, ili9881c_of_match);
--
2.50.0
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