Commit e8983896 authored by Maya Matuszczyk's avatar Maya Matuszczyk Committed by Heiko Stuebner
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drm: panel: Add Elida KD50T048A to Sitronix ST7701 driver 



Add KD50T048A MIPI-DSI panel, which is based on ST7701 chip.
Not sure what else to add to this commit message.

Signed-off-by: default avatarMaya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230213153816.213526-3-maccraft123mc@gmail.com
parent 441e129c

drivers/gpu/drm/panel/panel-sitronix-st7701.c

+125 −0
Original line number Diff line number Diff line
@@ -397,6 +397,31 @@ static void dmt028vghmcmi_1a_gip_sequence(struct st7701 *st7701) 
	ST7701_DSI(st7701, 0x3A, 0x70);

}



static void kd50t048a_gip_sequence(struct st7701 *st7701)

{

	/**

	 * ST7701_SPEC_V1.2 is unable to provide enough information above this

	 * specific command sequence, so grab the same from vendor BSP driver.

	 */

	ST7701_DSI(st7701, 0xE0, 0x00, 0x00, 0x02);

	ST7701_DSI(st7701, 0xE1, 0x08, 0x00, 0x0A, 0x00, 0x07, 0x00, 0x09,

		   0x00, 0x00, 0x33, 0x33);

	ST7701_DSI(st7701, 0xE2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00);

	ST7701_DSI(st7701, 0xE3, 0x00, 0x00, 0x33, 0x33);

	ST7701_DSI(st7701, 0xE4, 0x44, 0x44);

	ST7701_DSI(st7701, 0xE5, 0x0E, 0x60, 0xA0, 0xA0, 0x10, 0x60, 0xA0,

		   0xA0, 0x0A, 0x60, 0xA0, 0xA0, 0x0C, 0x60, 0xA0, 0xA0);

	ST7701_DSI(st7701, 0xE6, 0x00, 0x00, 0x33, 0x33);

	ST7701_DSI(st7701, 0xE7, 0x44, 0x44);

	ST7701_DSI(st7701, 0xE8, 0x0D, 0x60, 0xA0, 0xA0, 0x0F, 0x60, 0xA0,

		   0xA0, 0x09, 0x60, 0xA0, 0xA0, 0x0B, 0x60, 0xA0, 0xA0);

	ST7701_DSI(st7701, 0xEB, 0x02, 0x01, 0xE4, 0xE4, 0x44, 0x00, 0x40);

	ST7701_DSI(st7701, 0xEC, 0x02, 0x01);

	ST7701_DSI(st7701, 0xED, 0xAB, 0x89, 0x76, 0x54, 0x01, 0xFF, 0xFF,

		   0xFF, 0xFF, 0xFF, 0xFF, 0x10, 0x45, 0x67, 0x98, 0xBA);

}



static int st7701_prepare(struct drm_panel *panel)

{

	struct st7701 *st7701 = panel_to_st7701(panel);
@@ -700,6 +725,105 @@ static const struct st7701_panel_desc dmt028vghmcmi_1a_desc = { 
	.gip_sequence = dmt028vghmcmi_1a_gip_sequence,

};



static const struct drm_display_mode kd50t048a_mode = {

	.clock          = 27500,



	.hdisplay       = 480,

	.hsync_start    = 480 + 2,

	.hsync_end      = 480 + 2 + 10,

	.htotal         = 480 + 2 + 10 + 2,



	.vdisplay       = 854,

	.vsync_start    = 854 + 2,

	.vsync_end      = 854 + 2 + 2,

	.vtotal         = 854 + 2 + 2 + 17,



	.width_mm       = 69,

	.height_mm      = 139,



	.type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,

};



static const struct st7701_panel_desc kd50t048a_desc = {

	.mode = &kd50t048a_mode,

	.lanes = 2,

	.format = MIPI_DSI_FMT_RGB888,

	.panel_sleep_delay = 0,



	.pv_gamma = {

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC0_MASK, 0),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC4_MASK, 0xd),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC8_MASK, 0x14),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC16_MASK, 0xd),



		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC24_MASK, 0x10),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC52_MASK, 0x5),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC80_MASK, 0x2),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC108_MASK, 0x8),



		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC147_MASK, 0x8),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC175_MASK, 0x1e),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC203_MASK, 0x5),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC231_MASK, 0x13),



		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC239_MASK, 0x11),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 2) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC247_MASK, 0x23),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC251_MASK, 0x29),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC255_MASK, 0x18)

	},

	.nv_gamma = {

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC0_MASK, 0),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC4_MASK, 0xc),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC8_MASK, 0x14),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC16_MASK, 0xc),



		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC24_MASK, 0x10),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC52_MASK, 0x5),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC80_MASK, 0x3),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC108_MASK, 0x8),



		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC147_MASK, 0x7),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC175_MASK, 0x20),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC203_MASK, 0x5),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC231_MASK, 0x13),



		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC239_MASK, 0x11),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 2) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC247_MASK, 0x24),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC251_MASK, 0x29),

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |

		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_VC255_MASK, 0x18)

	},

	.nlinv = 1,

	.vop_uv = 4887500,

	.vcom_uv = 937500,

	.vgh_mv = 15000,

	.vgl_mv = -9510,

	.avdd_mv = 6600,

	.avcl_mv = -4400,

	.gamma_op_bias = OP_BIAS_MIDDLE,

	.input_op_bias = OP_BIAS_MIN,

	.output_op_bias = OP_BIAS_MIN,

	.t2d_ns = 1600,

	.t3d_ns = 10400,

	.eot_en = true,

	.gip_sequence = kd50t048a_gip_sequence,

};



static int st7701_dsi_probe(struct mipi_dsi_device *dsi)

{

	const struct st7701_panel_desc *desc;
@@ -775,6 +899,7 @@ static void st7701_dsi_remove(struct mipi_dsi_device *dsi) 


static const struct of_device_id st7701_of_match[] = {

	{ .compatible = "densitron,dmt028vghmcmi-1a", .data = &dmt028vghmcmi_1a_desc },

	{ .compatible = "elida,kd50t048a", .data = &kd50t048a_desc },

	{ .compatible = "techstar,ts8550b", .data = &ts8550b_desc },

	{ }

};