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Commit d08b5ab9 authored by chunhui dai's avatar chunhui dai Committed by CK Hu
Browse files

drm/mediatek: add dpi driver for mt2701 and mt7623 



This patch adds dpi dirver suppot for both mt2701 and mt7623.
And also support other (existing or future) chips that use
the same binding and driver.

Signed-off-by: default avatarchunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: default avatarCK Hu <ck.hu@mediatek.com>
parent bcc97dae

drivers/gpu/drm/mediatek/mtk_dpi.c

+21 −0
Original line number Diff line number Diff line
@@ -659,11 +659,29 @@ static unsigned int mt8173_calculate_factor(int clock) 
		return 3 << 1;

}



static unsigned int mt2701_calculate_factor(int clock)

{

	if (clock <= 64000)

		return 16;

	else if (clock <= 128000)

		return 8;

	else if (clock <= 256000)

		return 4;

	else

		return 2;

}



static const struct mtk_dpi_conf mt8173_conf = {

	.cal_factor = mt8173_calculate_factor,

	.reg_h_fre_con = 0xe0,

};



static const struct mtk_dpi_conf mt2701_conf = {

	.cal_factor = mt2701_calculate_factor,

	.reg_h_fre_con = 0xb0,

	.edge_sel_en = true,

};



static int mtk_dpi_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;
@@ -753,6 +771,9 @@ static int mtk_dpi_remove(struct platform_device *pdev) 
}



static const struct of_device_id mtk_dpi_of_ids[] = {

	{ .compatible = "mediatek,mt2701-dpi",

	  .data = &mt2701_conf,

	},

	{ .compatible = "mediatek,mt8173-dpi",

	  .data = &mt8173_conf,

	},

drivers/gpu/drm/mediatek/mtk_drm_drv.c

+2 −0
Original line number Diff line number Diff line
@@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { 
	  .data = (void *)MTK_DSI },

	{ .compatible = "mediatek,mt8173-dsi",

	  .data = (void *)MTK_DSI },

	{ .compatible = "mediatek,mt2701-dpi",

	  .data = (void *)MTK_DPI },

	{ .compatible = "mediatek,mt8173-dpi",

	  .data = (void *)MTK_DPI },

	{ .compatible = "mediatek,mt2701-disp-mutex",