Commit b1fcb7ee authored by Michael Trimarchi's avatar Michael Trimarchi Committed by Neil Armstrong
Browse files

drm/panel: ilitek-ili9805: add support for Tianma TM041XDHG01 panel 



Tianma TM041XDHG01 utilizes the Ilitek ILI9805 controller.

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

Signed-off-by: default avatarMichael Trimarchi <michael@amarulasolutions.com>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>

Signed-off-by: default avatarDario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20231207141723.108004-10-dario.binacchi@amarulasolutions.com


Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231207141723.108004-10-dario.binacchi@amarulasolutions.com
parent edbf1d50

drivers/gpu/drm/panel/panel-ilitek-ili9805.c

+53 −0
Original line number Diff line number Diff line
@@ -87,6 +87,36 @@ 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);
@@ -227,6 +257,20 @@ 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)

{
@@ -331,8 +375,17 @@ 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);