[PATCH 7/7] drm/panel: ilitek-ili9805: add support for Tianma TM041XDHG01 panel

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From: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>

Tianma TM041XDHG01 utilizes the Ilitek ILI9805 controller.

Add this panel's initialzation sequence and timing to ILI9805 driver.

Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>

Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/gpu/drm/panel/panel-ilitek-ili9805.c | 53 ++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9805.c b/drivers/gpu/drm/panel/panel-ilitek-ili9805.c
index 749959e10d92..cd187b0b1998 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9805.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9805.c
@@ -89,6 +89,36 @@ static const struct ili9805_instr gpm1780a0_init[] = {
 	ILI9805_INSTR(0, 0xB9, 0x02, 0x00),
 };
 
+static const struct ili9805_instr tm041xdhg01_init[] = {
+	ILI9805_INSTR(100, ILI9805_EXTCMD_CMD_SET_ENABLE_REG, ILI9805_SETEXTC_PARAMETER1,
+		      ILI9805_SETEXTC_PARAMETER2, ILI9805_SETEXTC_PARAMETER3),
+	ILI9805_INSTR(100, 0xFD, 0x0F, 0x13, 0x44, 0x00),
+	ILI9805_INSTR(0, 0xf8, 0x18, 0x02, 0x02, 0x18, 0x02, 0x02, 0x30, 0x01,
+		      0x01, 0x30, 0x01, 0x01, 0x30, 0x01, 0x01),
+	ILI9805_INSTR(0, 0xB8, 0x74),
+	ILI9805_INSTR(0, 0xF1, 0x00),
+	ILI9805_INSTR(0, 0xF2, 0x00, 0x58, 0x40),
+	ILI9805_INSTR(0, 0xFC, 0x04, 0x0F, 0x01),
+	ILI9805_INSTR(0, 0xEB, 0x08, 0x0F),
+	ILI9805_INSTR(0, 0xe0, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, 0x04,
+		      0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08),
+	ILI9805_INSTR(0, 0xe1, 0x01, 0x0d, 0x15, 0x0e, 0x0f, 0x0f, 0x0b, 0x08, 0x04,
+		      0x07, 0x0a, 0x0d, 0x0c, 0x15, 0x0f, 0x08),
+	ILI9805_INSTR(10, 0xc1, 0x15, 0x03, 0x03, 0x31),
+	ILI9805_INSTR(10, 0xB1, 0x00, 0x12, 0x14),
+	ILI9805_INSTR(10, 0xB4, 0x02),
+	ILI9805_INSTR(0, 0xBB, 0x14, 0x55),
+	ILI9805_INSTR(0, MIPI_DCS_SET_ADDRESS_MODE, 0x0a),
+	ILI9805_INSTR(0, MIPI_DCS_SET_PIXEL_FORMAT, 0x77),
+	ILI9805_INSTR(0, 0x20),
+	ILI9805_INSTR(0, 0xB0, 0x00),
+	ILI9805_INSTR(0, 0xB6, 0x01),
+	ILI9805_INSTR(0, 0xc2, 0x11),
+	ILI9805_INSTR(0, 0x51, 0xFF),
+	ILI9805_INSTR(0, 0x53, 0x24),
+	ILI9805_INSTR(0, 0x55, 0x00),
+};
+
 static inline struct ili9805 *panel_to_ili9805(struct drm_panel *panel)
 {
 	return container_of(panel, struct ili9805, panel);
@@ -239,6 +269,20 @@ static const struct drm_display_mode gpm1780a0_timing = {
 	.vtotal = 480 + 2 + 4 + 10,
 };
 
+static const struct drm_display_mode tm041xdhg01_timing = {
+	.clock = 26227,
+
+	.hdisplay = 480,
+	.hsync_start = 480 + 10,
+	.hsync_end = 480 + 10 + 2,
+	.htotal = 480 + 10 + 2 + 36,
+
+	.vdisplay = 768,
+	.vsync_start = 768 + 2,
+	.vsync_end = 768 + 10 + 4,
+	.vtotal = 768 + 2 + 4 + 10,
+};
+
 static int ili9805_get_modes(struct drm_panel *panel,
 			      struct drm_connector *connector)
 {
@@ -343,8 +387,17 @@ static const struct ili9805_desc gpm1780a0_desc = {
 	.height_mm = 65,
 };
 
+static const struct ili9805_desc tm041xdhg01_desc = {
+	.init = tm041xdhg01_init,
+	.init_length = ARRAY_SIZE(tm041xdhg01_init),
+	.mode = &tm041xdhg01_timing,
+	.width_mm = 42,
+	.height_mm = 96,
+};
+
 static const struct of_device_id ili9805_of_match[] = {
 	{ .compatible = "giantplus,gpm1790a0", .data = &gpm1780a0_desc },
+	{ .compatible = "tianma,tm041xdhg01", .data = &tm041xdhg01_desc },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, ili9805_of_match);
-- 
2.32.0




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