Commit 239cce65 authored by Heiko Stuebner's avatar Heiko Stuebner Committed by Heiko Stuebner
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drm/panel: ltk500hd1829: add panel type for ltk101b4029w 



The ltk101b4029w ist a 10.1 inch DSI panel and shares the same supplies
and startup timings with the existing ltk500hd1829.

So simply add it as a variant with its own init sequence and display-mode.

Signed-off-by: default avatarHeiko Stuebner <heiko.stuebner@cherry.de>
Acked-by: default avatarJessica Zhang <quic_jesszhan@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240215090515.3513817-4-heiko@sntech.de
parent c71efc63

drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c

+196 −0
Original line number Diff line number Diff line
@@ -43,6 +43,198 @@ struct ltk500hd1829 { 
	bool prepared;

};



static const struct ltk500hd1829_cmd ltk101b4029w_init[] = {

	/* Page0 */

	{ 0xE0, 0x00 },

	/* PASSWORD */

	{ 0xE1, 0x93 },

	{ 0xE2, 0x65 },

	{ 0xE3, 0xF8 },

	{ 0x80, 0x03 }, /* 0X03:4-LANE; 0X02:3-LANE; 0X01:2-LANE */

	/* Page1 */

	{ 0xE0, 0x01 },

	/* Set VCOM */

	{ 0x00, 0x00 },

	{ 0x01, 0x6F },

	/* Set Gamma Power, VGMP,VGMN,VGSP,VGSN */

	{ 0x17, 0x00 },

	{ 0x18, 0xAF }, /* 4.3V */

	{ 0x19, 0x01 }, /* 0.3V */

	{ 0x1A, 0x00 },

	{ 0x1B, 0xAF }, /* 4.3V */

	{ 0x1C, 0x01 }, /* 0.3V */

	/* Set Gate Power */

	{ 0x1F, 0x3E }, /* VGH_R  = 15V */

	{ 0x20, 0x28 }, /* VGL_R  = -12V */

	{ 0x21, 0x28 }, /* VGL_R2 = -12V */

	{ 0x22, 0x7E },

	/* SETPANEL */

	{ 0x35, 0x26 },

	{ 0x37, 0x09 },

	/* SET RGBCYC */

	{ 0x38, 0x04 },

	{ 0x39, 0x00 },

	{ 0x3A, 0x01 },

	{ 0x3C, 0x7C },

	{ 0x3D, 0xFF },

	{ 0x3E, 0xFF },

	{ 0x3F, 0x7F },

	/* Set TCON */

	{ 0x40, 0x06 }, /* RSO = 800 RGB */

	{ 0x41, 0xA0 }, /* LN = 640->1280 line */

	{ 0x42, 0x81 },

	{ 0x43, 0x08 }, /* VFP = 8 */

	{ 0x44, 0x0B }, /* VBP = 12 */

	{ 0x45, 0x28 }, /* HBP = 40 */

	/* power voltage */

	{ 0x55, 0x0F }, /* DCDCM = 0001, JD PWR_IC */

	{ 0x57, 0x69 },

	{ 0x59, 0x0A }, /* VCL = -2.9V */

	{ 0x5A, 0x28 }, /* VGH = 15V */

	{ 0x5B, 0x14 }, /* VGL = -11V */

	/* Gamma */

	{ 0x5D, 0x7C },

	{ 0x5E, 0x65 },

	{ 0x5F, 0x55 },

	{ 0x60, 0x47 },

	{ 0x61, 0x43 },

	{ 0x62, 0x32 },

	{ 0x63, 0x34 },

	{ 0x64, 0x1C },

	{ 0x65, 0x33 },

	{ 0x66, 0x31 },

	{ 0x67, 0x30 },

	{ 0x68, 0x4E },

	{ 0x69, 0x3C },

	{ 0x6A, 0x44 },

	{ 0x6B, 0x35 },

	{ 0x6C, 0x31 },

	{ 0x6D, 0x23 },

	{ 0x6E, 0x11 },

	{ 0x6F, 0x00 },

	{ 0x70, 0x7C },

	{ 0x71, 0x65 },

	{ 0x72, 0x55 },

	{ 0x73, 0x47 },

	{ 0x74, 0x43 },

	{ 0x75, 0x32 },

	{ 0x76, 0x34 },

	{ 0x77, 0x1C },

	{ 0x78, 0x33 },

	{ 0x79, 0x31 },

	{ 0x7A, 0x30 },

	{ 0x7B, 0x4E },

	{ 0x7C, 0x3C },

	{ 0x7D, 0x44 },

	{ 0x7E, 0x35 },

	{ 0x7F, 0x31 },

	{ 0x80, 0x23 },

	{ 0x81, 0x11 },

	{ 0x82, 0x00 },

	 /* Page2, for GIP */

	{ 0xE0, 0x02 },

	/* GIP_L Pin mapping */

	{ 0x00, 0x1E },

	{ 0x01, 0x1E },

	{ 0x02, 0x41 },

	{ 0x03, 0x41 },

	{ 0x04, 0x43 },

	{ 0x05, 0x43 },

	{ 0x06, 0x1F },

	{ 0x07, 0x1F },

	{ 0x08, 0x35 },

	{ 0x09, 0x1F },

	{ 0x0A, 0x15 },

	{ 0x0B, 0x15 },

	{ 0x0C, 0x1F },

	{ 0x0D, 0x47 },

	{ 0x0E, 0x47 },

	{ 0x0F, 0x45 },

	{ 0x10, 0x45 },

	{ 0x11, 0x4B },

	{ 0x12, 0x4B },

	{ 0x13, 0x49 },

	{ 0x14, 0x49 },

	{ 0x15, 0x1F },

	/* GIP_R Pin mapping */

	{ 0x16, 0x1E },

	{ 0x17, 0x1E },

	{ 0x18, 0x40 },

	{ 0x19, 0x40 },

	{ 0x1A, 0x42 },

	{ 0x1B, 0x42 },

	{ 0x1C, 0x1F },

	{ 0x1D, 0x1F },

	{ 0x1E, 0x35 },

	{ 0x1F, 0x1F },

	{ 0x20, 0x15 },

	{ 0x21, 0x15 },

	{ 0x22, 0x1f },

	{ 0x23, 0x46 },

	{ 0x24, 0x46 },

	{ 0x25, 0x44 },

	{ 0x26, 0x44 },

	{ 0x27, 0x4A },

	{ 0x28, 0x4A },

	{ 0x29, 0x48 },

	{ 0x2A, 0x48 },

	{ 0x2B, 0x1F },

	/* GIP Timing */

	{ 0x58, 0x40 },

	{ 0x5B, 0x30 },

	{ 0x5C, 0x03 },

	{ 0x5D, 0x30 },

	{ 0x5E, 0x01 },

	{ 0x5F, 0x02 },

	{ 0x63, 0x14 },

	{ 0x64, 0x6A },

	{ 0x67, 0x73 },

	{ 0x68, 0x05 },

	{ 0x69, 0x14 },

	{ 0x6A, 0x6A },

	{ 0x6B, 0x08 },

	{ 0x6C, 0x00 },

	{ 0x6D, 0x00 },

	{ 0x6E, 0x00 },

	{ 0x6F, 0x88 },

	{ 0x77, 0xDD },

	{ 0x79, 0x0E },

	{ 0x7A, 0x03 },

	{ 0x7D, 0x14 },

	{ 0x7E, 0x6A },

	/* Page4 */

	{ 0xE0, 0x04 },

	{ 0x09, 0x11 },

	{ 0x0E, 0x48 },

	{ 0x2B, 0x2B },

	{ 0x2D, 0x03 },

	{ 0x2E, 0x44 },

	/* Page0 */

	{ 0xE0, 0x00 },

	{ 0xE6, 0x02 },

	{ 0xE7, 0x0C },

};



static const struct drm_display_mode ltk101b4029w_mode = {

	.hdisplay	= 800,

	.hsync_start	= 800 + 18,

	.hsync_end	= 800 + 18 + 18,

	.htotal		= 800 + 18 + 18 + 18,

	.vdisplay	= 1280,

	.vsync_start	= 1280 + 24,

	.vsync_end	= 1280 + 24 + 4,

	.vtotal		= 1280 + 24 + 4 + 8,

	.clock		= 67330,

	.width_mm	= 136,

	.height_mm	= 218,

};



static const struct ltk500hd1829_desc ltk101b4029w_data = {

	.mode = &ltk101b4029w_mode,

	.init = ltk101b4029w_init,

	.num_init = ARRAY_SIZE(ltk101b4029w_init),

};



/*

 * There is no description in the Reference Manual about these commands.

 * We received them from the vendor, so just use them as is.
@@ -510,6 +702,10 @@ static void ltk500hd1829_remove(struct mipi_dsi_device *dsi) 
}



static const struct of_device_id ltk500hd1829_of_match[] = {

	{

		.compatible = "leadtek,ltk101b4029w",

		.data = &ltk101b4029w_data,

	},

	{

		.compatible = "leadtek,ltk500hd1829",

		.data = &ltk500hd1829_data,